Extract Git::SVN::Log from git-svn.
[git/git.git] / git-svn.perl
CommitLineData
0754e089 1#!/usr/bin/perl
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2# Copyright (C) 2006, Eric Wong <normalperson@yhbt.net>
3# License: GPL v2 or later
d48b2841 4use 5.008;
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5use warnings;
6use strict;
7use vars qw/ $AUTHOR $VERSION
ffe256f9 8 $sha1 $sha1_short $_revision $_repository
36db1edd 9 $_q $_authors $_authors_prog %users/;
3397f9df 10$AUTHOR = 'Eric Wong <normalperson@yhbt.net>';
60d02ccc 11$VERSION = '@@GIT_VERSION@@';
13ccd6d4 12
29499c0b 13use Git::SVN;
b74fda1c 14use Git::SVN::Log;
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15use Git::SVN::Utils qw(fatal can_compress);
16
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17# From which subdir have we been invoked?
18my $cmd_dir_prefix = eval {
19 command_oneline([qw/rev-parse --show-prefix/], STDERR => 0)
20} || '';
21
5253dc33 22my $git_dir_user_set = 1 if defined $ENV{GIT_DIR};
706587fc 23$ENV{GIT_DIR} ||= '.git';
6af1db44 24$Git::SVN::Ra::_log_window_size = 100;
13ccd6d4 25
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26if (! exists $ENV{SVN_SSH} && exists $ENV{GIT_SSH}) {
27 $ENV{SVN_SSH} = $ENV{GIT_SSH};
28}
29
30if (exists $ENV{SVN_SSH} && $^O eq 'msys') {
31 $ENV{SVN_SSH} =~ s/\\/\\\\/g;
32 $ENV{SVN_SSH} =~ s/(.*)/"$1"/;
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33}
34
f8c9d1d2 35$Git::SVN::Log::TZ = $ENV{TZ};
3397f9df 36$ENV{TZ} = 'UTC';
a00439ac 37$| = 1; # unbuffer STDOUT
3397f9df 38
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39# All SVN commands do it. Otherwise we may die on SIGPIPE when the remote
40# repository decides to close the connection which we expect to be kept alive.
41$SIG{PIPE} = 'IGNORE';
42
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43# Given a dot separated version number, "subtract" it from
44# the SVN::Core::VERSION; non-negaitive return means the SVN::Core
45# is at least at the version the caller asked for.
46sub compare_svn_version {
47 my (@ours) = split(/\./, $SVN::Core::VERSION);
48 my (@theirs) = split(/\./, $_[0]);
49 my ($i, $diff);
50
51 for ($i = 0; $i < @ours && $i < @theirs; $i++) {
52 $diff = $ours[$i] - $theirs[$i];
53 return $diff if ($diff);
54 }
55 return 1 if ($i < @ours);
56 return -1 if ($i < @theirs);
57 return 0;
58}
59
d32fad2b 60sub _req_svn {
61 require SVN::Core; # use()-ing this causes segfaults for me... *shrug*
62 require SVN::Ra;
63 require SVN::Delta;
f760c903 64 if (::compare_svn_version('1.1.0') < 0) {
d32fad2b 65 fatal "Need SVN::Core 1.1.0 or better (got $SVN::Core::VERSION)";
66 }
b9c85187 67}
c2768fa1 68
3397f9df 69use Carp qw/croak/;
8d7c4fad 70use Digest::MD5;
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71use IO::File qw//;
72use File::Basename qw/dirname basename/;
73use File::Path qw/mkpath/;
36db1edd 74use File::Spec;
2da9ee08 75use File::Find;
512b620b 76use Getopt::Long qw/:config gnu_getopt no_ignore_case auto_abbrev/;
968bdf1f 77use IPC::Open3;
336f1714 78use Git;
8f9facfe 79use Git::SVN::Editor qw//;
a6180325 80use Git::SVN::Fetcher qw//;
9f7ad147 81use Git::SVN::Ra qw//;
c102f4cf 82use Git::SVN::Prompt qw//;
f5549afd 83use Memoize; # core since 5.8.0, Jul 2002
a5e0cedc 84
336f1714 85BEGIN {
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86 # import functions from Git into our packages, en masse
87 no strict 'refs';
336f1714 88 foreach (qw/command command_oneline command_noisy command_output_pipe
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89 command_input_pipe command_close_pipe
90 command_bidi_pipe command_close_bidi_pipe/) {
2c96a6c3 91 for my $package ( qw(Git::SVN::Migration),
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92 __PACKAGE__) {
93 *{"${package}::$_"} = \&{"Git::$_"};
94 }
336f1714 95 }
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96 Memoize::memoize 'Git::config';
97 Memoize::memoize 'Git::config_bool';
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98}
99
b9c85187 100my ($SVN);
83e9940a 101
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102$sha1 = qr/[a-f\d]{40}/;
103$sha1_short = qr/[a-f\d]{4,40}/;
44320b9e 104my ($_stdin, $_help, $_edit,
62244069 105 $_message, $_file, $_branch_dest,
d05d72e0 106 $_template, $_shared,
c2abd83f 107 $_version, $_fetch_all, $_no_rebase, $_fetch_parent,
b64e1f58 108 $_merge, $_strategy, $_preserve_merges, $_dry_run, $_local,
4be40381 109 $_prefix, $_no_checkout, $_url, $_verbose,
2c96a6c3 110 $_commit_url, $_tag, $_merge_info, $_interactive);
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111
112# This is a refactoring artifact so Git::SVN can get at this git-svn switch.
113sub opt_prefix { return $_prefix || '' }
114
72827aa4 115$Git::SVN::Fetcher::_placeholder_filename = ".gitignore";
49750f30 116$_q ||= 0;
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117my %remote_opts = ( 'username=s' => \$Git::SVN::Prompt::_username,
118 'config-dir=s' => \$Git::SVN::Ra::config_dir,
edc662f9 119 'no-auth-cache' => \$Git::SVN::Prompt::_no_auth_cache,
72827aa4 120 'ignore-paths=s' => \$Git::SVN::Fetcher::_ignore_regex,
cdb51a13 121 'ignore-refs=s' => \$Git::SVN::Ra::_ignore_refs_regex );
0bed5eaa 122my %fc_opts = ( 'follow-parent|follow!' => \$Git::SVN::_follow_parent,
dc5869c0 123 'authors-file|A=s' => \$_authors,
36db1edd 124 'authors-prog=s' => \$_authors_prog,
ecc712dd 125 'repack:i' => \$Git::SVN::_repack,
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126 'noMetadata' => \$Git::SVN::_no_metadata,
127 'useSvmProps' => \$Git::SVN::_use_svm_props,
62e349d2 128 'useSvnsyncProps' => \$Git::SVN::_use_svnsync_props,
6af1db44 129 'log-window-size=i' => \$Git::SVN::Ra::_log_window_size,
1e889ef3 130 'no-checkout' => \$_no_checkout,
49750f30 131 'quiet|q+' => \$_q,
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132 'repack-flags|repack-args|repack-opts=s' =>
133 \$Git::SVN::_repack_flags,
70ae04e4 134 'use-log-author' => \$Git::SVN::_use_log_author,
6aa9ba14 135 'add-author-from' => \$Git::SVN::_add_author_from,
e82f0d73 136 'localtime' => \$Git::SVN::_localtime,
706587fc 137 %remote_opts );
36f5b1f0 138
62244069 139my ($_trunk, @_tags, @_branches, $_stdlayout);
0dfaf0a4 140my %icv;
dadc6d2a 141my %init_opts = ( 'template=s' => \$_template, 'shared:s' => \$_shared,
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142 'trunk|T=s' => \$_trunk, 'tags|t=s@' => \@_tags,
143 'branches|b=s@' => \@_branches, 'prefix=s' => \$_prefix,
8f728fb9 144 'stdlayout|s' => \$_stdlayout,
6b48829d 145 'minimize-url|m!' => \$Git::SVN::_minimize_url,
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146 'no-metadata' => sub { $icv{noMetadata} = 1 },
147 'use-svm-props' => sub { $icv{useSvmProps} = 1 },
148 'use-svnsync-props' => sub { $icv{useSvnsyncProps} = 1 },
149 'rewrite-root=s' => sub { $icv{rewriteRoot} = $_[1] },
3e18ce1a 150 'rewrite-uuid=s' => sub { $icv{rewriteUUID} = $_[1] },
dadc6d2a 151 %remote_opts );
27e9fb8d 152my %cmt_opts = ( 'edit|e' => \$_edit,
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153 'rmdir' => \$Git::SVN::Editor::_rmdir,
154 'find-copies-harder' => \$Git::SVN::Editor::_find_copies_harder,
155 'l=i' => \$Git::SVN::Editor::_rename_limit,
156 'copy-similarity|C=i'=> \$Git::SVN::Editor::_cp_similarity
27e9fb8d 157);
9d55b41a 158
3397f9df 159my %cmd = (
2a3240be 160 fetch => [ \&cmd_fetch, "Download new revisions from SVN",
e98671e5 161 { 'revision|r=s' => \$_revision,
905f8b7d 162 'fetch-all|all' => \$_fetch_all,
c2abd83f 163 'parent|p' => \$_fetch_parent,
e98671e5 164 %fc_opts } ],
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165 clone => [ \&cmd_clone, "Initialize and fetch revisions",
166 { 'revision|r=s' => \$_revision,
40a1530c 167 'preserve-empty-dirs' =>
72827aa4 168 \$Git::SVN::Fetcher::_preserve_empty_dirs,
40a1530c 169 'placeholder-filename=s' =>
72827aa4 170 \$Git::SVN::Fetcher::_placeholder_filename,
0425ea90 171 %fc_opts, %init_opts } ],
d2866f9e 172 init => [ \&cmd_init, "Initialize a repo for tracking" .
f8ab6b73 173 " (requires URL argument)",
9d55b41a 174 \%init_opts ],
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175 'multi-init' => [ \&cmd_multi_init,
176 "Deprecated alias for ".
177 "'$0 init -T<trunk> -b<branches> -t<tags>'",
178 \%init_opts ],
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179 dcommit => [ \&cmd_dcommit,
180 'Commit several diffs to merge with upstream',
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181 { 'merge|m|M' => \$_merge,
182 'strategy|s=s' => \$_strategy,
905f8b7d 183 'verbose|v' => \$_verbose,
3289e86e 184 'dry-run|n' => \$_dry_run,
905f8b7d 185 'fetch-all|all' => \$_fetch_all,
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186 'commit-url=s' => \$_commit_url,
187 'revision|r=i' => \$_revision,
171af110 188 'no-rebase' => \$_no_rebase,
6abd9332 189 'mergeinfo=s' => \$_merge_info,
afd7f1eb 190 'interactive|i' => \$_interactive,
4b155223 191 %cmt_opts, %fc_opts } ],
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192 branch => [ \&cmd_branch,
193 'Create a branch in the SVN repository',
194 { 'message|m=s' => \$_message,
62244069 195 'destination|d=s' => \$_branch_dest,
5de70efb 196 'dry-run|n' => \$_dry_run,
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197 'tag|t' => \$_tag,
198 'username=s' => \$Git::SVN::Prompt::_username,
199 'commit-url=s' => \$_commit_url } ],
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200 tag => [ sub { $_tag = 1; cmd_branch(@_) },
201 'Create a tag in the SVN repository',
202 { 'message|m=s' => \$_message,
62244069 203 'destination|d=s' => \$_branch_dest,
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204 'dry-run|n' => \$_dry_run,
205 'username=s' => \$Git::SVN::Prompt::_username,
206 'commit-url=s' => \$_commit_url } ],
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207 'set-tree' => [ \&cmd_set_tree,
208 "Set an SVN repository to a git tree-ish",
e84dc6df 209 { 'stdin' => \$_stdin, %cmt_opts, %fc_opts, } ],
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210 'create-ignore' => [ \&cmd_create_ignore,
211 'Create a .gitignore per svn:ignore',
212 { 'revision|r=i' => \$_revision
213 } ],
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214 'mkdirs' => [ \&cmd_mkdirs ,
215 "recreate empty directories after a checkout",
216 { 'revision|r=i' => \$_revision } ],
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217 'propget' => [ \&cmd_propget,
218 'Print the value of a property on a file or directory',
219 { 'revision|r=i' => \$_revision } ],
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220 'proplist' => [ \&cmd_proplist,
221 'List all properties of a file or directory',
222 { 'revision|r=i' => \$_revision } ],
5969cbe1 223 'show-ignore' => [ \&cmd_show_ignore, "Show svn:ignore listings",
4dbfe2e9 224 { 'revision|r=i' => \$_revision
05b4df31 225 } ],
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226 'show-externals' => [ \&cmd_show_externals, "Show svn:externals listings",
227 { 'revision|r=i' => \$_revision
228 } ],
1c8443b0 229 'multi-fetch' => [ \&cmd_multi_fetch,
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230 "Deprecated alias for $0 fetch --all",
231 { 'revision|r=s' => \$_revision, %fc_opts } ],
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232 'migrate' => [ sub { },
233 # no-op, we automatically run this anyways,
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234 'Migrate configuration/metadata/layout from
235 previous versions of git-svn',
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236 { 'minimize' => \$Git::SVN::Migration::_minimize,
237 %remote_opts } ],
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238 'log' => [ \&Git::SVN::Log::cmd_show_log, 'Show commit logs',
239 { 'limit=i' => \$Git::SVN::Log::limit,
79bb8d88 240 'revision|r=s' => \$_revision,
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241 'verbose|v' => \$Git::SVN::Log::verbose,
242 'incremental' => \$Git::SVN::Log::incremental,
243 'oneline' => \$Git::SVN::Log::oneline,
244 'show-commit' => \$Git::SVN::Log::show_commit,
245 'non-recursive' => \$Git::SVN::Log::non_recursive,
79bb8d88 246 'authors-file|A=s' => \$_authors,
f8c9d1d2 247 'color' => \$Git::SVN::Log::color,
4dbfe2e9 248 'pager=s' => \$Git::SVN::Log::pager
79bb8d88 249 } ],
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250 'find-rev' => [ \&cmd_find_rev,
251 "Translate between SVN revision numbers and tree-ish",
4dbfe2e9 252 {} ],
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253 'rebase' => [ \&cmd_rebase, "Fetch and rebase your working directory",
254 { 'merge|m|M' => \$_merge,
255 'verbose|v' => \$_verbose,
256 'strategy|s=s' => \$_strategy,
dee41f3e 257 'local|l' => \$_local,
905f8b7d 258 'fetch-all|all' => \$_fetch_all,
7d45e146 259 'dry-run|n' => \$_dry_run,
b64e1f58 260 'preserve-merges|p' => \$_preserve_merges,
905f8b7d 261 %fc_opts } ],
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262 'commit-diff' => [ \&cmd_commit_diff,
263 'Commit a diff between two trees',
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264 { 'message|m=s' => \$_message,
265 'file|F=s' => \$_file,
45bf473a 266 'revision|r=s' => \$_revision,
27e9fb8d 267 %cmt_opts } ],
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268 'info' => [ \&cmd_info,
269 "Show info about the latest SVN revision
270 on the current branch",
8b014d71 271 { 'url' => \$_url, } ],
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272 'blame' => [ \&Git::SVN::Log::cmd_blame,
273 "Show what revision and author last modified each line of a file",
2c96a6c3 274 { 'git-format' => \$Git::SVN::Log::_git_format } ],
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275 'reset' => [ \&cmd_reset,
276 "Undo fetches back to the specified SVN revision",
277 { 'revision|r=s' => \$_revision,
278 'parent|p' => \$_fetch_parent } ],
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279 'gc' => [ \&cmd_gc,
280 "Compress unhandled.log files in .git/svn and remove " .
281 "index files in .git/svn",
282 {} ],
3397f9df 283);
9d55b41a 284
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285use Term::ReadLine;
286package FakeTerm;
287sub new {
288 my ($class, $reason) = @_;
289 return bless \$reason, shift;
290}
291sub readline {
292 my $self = shift;
293 die "Cannot use readline on FakeTerm: $$self";
294}
295package main;
296
297my $term = eval {
298 $ENV{"GIT_SVN_NOTTY"}
299 ? new Term::ReadLine 'git-svn', \*STDIN, \*STDOUT
300 : new Term::ReadLine 'git-svn';
301};
302if ($@) {
303 $term = new FakeTerm "$@: going non-interactive";
304}
305
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306my $cmd;
307for (my $i = 0; $i < @ARGV; $i++) {
308 if (defined $cmd{$ARGV[$i]}) {
309 $cmd = $ARGV[$i];
310 splice @ARGV, $i, 1;
311 last;
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312 } elsif ($ARGV[$i] eq 'help') {
313 $cmd = $ARGV[$i+1];
314 usage(0);
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315 }
316};
317
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318# make sure we're always running at the top-level working directory
319unless ($cmd && $cmd =~ /(?:clone|init|multi-init)$/) {
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320 unless (-d $ENV{GIT_DIR}) {
321 if ($git_dir_user_set) {
322 die "GIT_DIR=$ENV{GIT_DIR} explicitly set, ",
323 "but it is not a directory\n";
324 }
325 my $git_dir = delete $ENV{GIT_DIR};
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326 my $cdup = undef;
327 git_cmd_try {
328 $cdup = command_oneline(qw/rev-parse --show-cdup/);
329 $git_dir = '.' unless ($cdup);
330 chomp $cdup if ($cdup);
331 $cdup = "." unless ($cdup && length $cdup);
332 } "Already at toplevel, but $git_dir not found\n";
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333 chdir $cdup or die "Unable to chdir up to '$cdup'\n";
334 unless (-d $git_dir) {
335 die "$git_dir still not found after going to ",
336 "'$cdup'\n";
337 }
338 $ENV{GIT_DIR} = $git_dir;
339 }
ffe256f9 340 $_repository = Git->repository(Repository => $ENV{GIT_DIR});
5253dc33 341}
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342
343my %opts = %{$cmd{$cmd}->[2]} if (defined $cmd);
344
1a30582b 345read_git_config(\%opts);
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346if ($cmd && ($cmd eq 'log' || $cmd eq 'blame')) {
347 Getopt::Long::Configure('pass_through');
348}
87182b17 349my $rv = GetOptions(%opts, 'h|H' => \$_help, 'version|V' => \$_version,
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350 'minimize-connections' => \$Git::SVN::Migration::_minimize,
351 'id|i=s' => \$Git::SVN::default_ref_id,
352 'svn-remote|remote|R=s' => sub {
353 $Git::SVN::no_reuse_existing = 1;
354 $Git::SVN::default_repo_id = $_[1] });
355exit 1 if (!$rv && $cmd && $cmd ne 'log');
356
357usage(0) if $_help;
358version() if $_version;
359usage(1) unless defined $cmd;
360load_authors() if $_authors;
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361if (defined $_authors_prog) {
362 $_authors_prog = "'" . File::Spec->rel2abs($_authors_prog) . "'";
363}
f4dd334b 364
0425ea90 365unless ($cmd =~ /^(?:clone|init|multi-init|commit-diff)$/) {
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366 Git::SVN::Migration::migration_check();
367}
ecc712dd 368Git::SVN::init_vars();
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369eval {
370 Git::SVN::verify_remotes_sanity();
371 $cmd{$cmd}->[0]->(@ARGV);
e3bd4dda 372 post_fetch_checkout();
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373};
374fatal $@ if $@;
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375exit 0;
376
377####################### primary functions ######################
378sub usage {
379 my $exit = shift || 0;
380 my $fd = $exit ? \*STDERR : \*STDOUT;
381 print $fd <<"";
382git-svn - bidirectional operations between a single Subversion tree and git
1b1dd23f 383Usage: git svn <command> [options] [arguments]\n
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384
385 print $fd "Available commands:\n" unless $cmd;
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386
387 foreach (sort keys %cmd) {
448c81b4 388 next if $cmd && $cmd ne $_;
a836a0e1 389 next if /^multi-/; # don't show deprecated commands
b203b769 390 print $fd ' ',pack('A17',$_),$cmd{$_}->[1],"\n";
aa807bc2 391 foreach (sort keys %{$cmd{$_}->[2]}) {
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392 # mixed-case options are for .git/config only
393 next if /[A-Z]/ && /^[a-z]+$/i;
448c81b4 394 # prints out arguments as they should be passed:
b8c92cad 395 my $x = s#[:=]s$## ? '<arg>' : s#[:=]i$## ? '<num>' : '';
b203b769 396 print $fd ' ' x 21, join(', ', map { length $_ > 1 ?
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397 "--$_" : "-$_" }
398 split /\|/,$_)," $x\n";
399 }
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400 }
401 print $fd <<"";
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402\nGIT_SVN_ID may be set in the environment or via the --id/-i switch to an
403arbitrary identifier if you're tracking multiple SVN branches/repositories in
404one git repository and want to keep them separate. See git-svn(1) for more
405information.
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406
407 exit $exit;
408}
409
551ce28f 410sub version {
b0779246 411 ::_req_svn();
7d60ab2c 412 print "git-svn version $VERSION (svn $SVN::Core::VERSION)\n";
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413 exit 0;
414}
415
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416sub ask {
417 my ($prompt, %arg) = @_;
418 my $valid_re = $arg{valid_re};
419 my $default = $arg{default};
420 my $resp;
421 my $i = 0;
422
423 if ( !( defined($term->IN)
424 && defined( fileno($term->IN) )
425 && defined( $term->OUT )
426 && defined( fileno($term->OUT) ) ) ){
427 return defined($default) ? $default : undef;
428 }
429
430 while ($i++ < 10) {
431 $resp = $term->readline($prompt);
432 if (!defined $resp) { # EOF
433 print "\n";
434 return defined $default ? $default : undef;
435 }
436 if ($resp eq '' and defined $default) {
437 return $default;
438 }
439 if (!defined $valid_re or $resp =~ /$valid_re/) {
440 return $resp;
441 }
442 }
443 return undef;
444}
445
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446sub do_git_init_db {
447 unless (-d $ENV{GIT_DIR}) {
448 my @init_db = ('init');
449 push @init_db, "--template=$_template" if defined $_template;
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450 if (defined $_shared) {
451 if ($_shared =~ /[a-z]/) {
452 push @init_db, "--shared=$_shared";
453 } else {
454 push @init_db, "--shared";
455 }
456 }
8164b652 457 command_noisy(@init_db);
ffe256f9 458 $_repository = Git->repository(Repository => ".git");
8164b652 459 }
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460 my $set;
461 my $pfx = "svn-remote.$Git::SVN::default_repo_id";
462 foreach my $i (keys %icv) {
463 die "'$set' and '$i' cannot both be set\n" if $set;
464 next unless defined $icv{$i};
465 command_noisy('config', "$pfx.$i", $icv{$i});
466 $set = $i;
467 }
72827aa4 468 my $ignore_paths_regex = \$Git::SVN::Fetcher::_ignore_regex;
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469 command_noisy('config', "$pfx.ignore-paths", $$ignore_paths_regex)
470 if defined $$ignore_paths_regex;
471 my $ignore_refs_regex = \$Git::SVN::Ra::_ignore_refs_regex;
472 command_noisy('config', "$pfx.ignore-refs", $$ignore_refs_regex)
473 if defined $$ignore_refs_regex;
40a1530c 474
72827aa4
JN
475 if (defined $Git::SVN::Fetcher::_preserve_empty_dirs) {
476 my $fname = \$Git::SVN::Fetcher::_placeholder_filename;
40a1530c
RC
477 command_noisy('config', "$pfx.preserve-empty-dirs", 'true');
478 command_noisy('config', "$pfx.placeholder-filename", $$fname);
479 }
8164b652
EW
480}
481
dadc6d2a
EW
482sub init_subdir {
483 my $repo_path = shift or return;
484 mkpath([$repo_path]) unless -d $repo_path;
485 chdir $repo_path or die "Couldn't chdir to $repo_path: $!\n";
f30603fc 486 $ENV{GIT_DIR} = '.git';
ffe256f9 487 $_repository = Git->repository(Repository => $ENV{GIT_DIR});
dadc6d2a
EW
488}
489
0425ea90
EW
490sub cmd_clone {
491 my ($url, $path) = @_;
492 if (!defined $path &&
62244069 493 (defined $_trunk || @_branches || @_tags ||
8f728fb9 494 defined $_stdlayout) &&
0425ea90
EW
495 $url !~ m#^[a-z\+]+://#) {
496 $path = $url;
497 }
0425ea90 498 $path = basename($url) if !defined $path || !length $path;
2bc35dcb 499 my $authors_absolute = $_authors ? File::Spec->rel2abs($_authors) : "";
f30603fc 500 cmd_init($url, $path);
2bc35dcb
AV
501 command_oneline('config', 'svn.authorsfile', $authors_absolute)
502 if $_authors;
f5841509 503 Git::SVN::fetch_all($Git::SVN::default_repo_id);
0425ea90
EW
504}
505
d2866f9e 506sub cmd_init {
8f728fb9 507 if (defined $_stdlayout) {
508 $_trunk = 'trunk' if (!defined $_trunk);
62244069
MB
509 @_tags = 'tags' if (! @_tags);
510 @_branches = 'branches' if (! @_branches);
8f728fb9 511 }
62244069 512 if (defined $_trunk || @_branches || @_tags) {
dadc6d2a 513 return cmd_multi_init(@_);
03e0ea87 514 }
dadc6d2a
EW
515 my $url = shift or die "SVN repository location required ",
516 "as a command-line argument\n";
50ff2366 517 $url = canonicalize_url($url);
dadc6d2a 518 init_subdir(@_);
8164b652 519 do_git_init_db();
03e0ea87 520
6b48829d
EW
521 if ($Git::SVN::_minimize_url eq 'unset') {
522 $Git::SVN::_minimize_url = 0;
523 }
524
706587fc 525 Git::SVN->init($url);
3397f9df
EW
526}
527
2a3240be 528sub cmd_fetch {
e98671e5
EW
529 if (grep /^\d+=./, @_) {
530 die "'<rev>=<commit>' fetch arguments are ",
531 "no longer supported.\n";
07a1c950 532 }
e98671e5
EW
533 my ($remote) = @_;
534 if (@_ > 1) {
c2abd83f 535 die "Usage: $0 fetch [--all] [--parent] [svn-remote]\n";
e98671e5 536 }
4d0157d6 537 $Git::SVN::no_reuse_existing = undef;
c2abd83f
JM
538 if ($_fetch_parent) {
539 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
540 unless ($gs) {
541 die "Unable to determine upstream SVN information from ",
542 "working tree history\n";
543 }
544 # just fetch, don't checkout.
545 $_no_checkout = 'true';
546 $_fetch_all ? $gs->fetch_all : $gs->fetch;
547 } elsif ($_fetch_all) {
e98671e5
EW
548 cmd_multi_fetch();
549 } else {
c2abd83f 550 $remote ||= $Git::SVN::default_repo_id;
e98671e5 551 Git::SVN::fetch_all($remote, Git::SVN::read_all_remotes());
1c8443b0 552 }
2a3240be
EW
553}
554
1ce255dc 555sub cmd_set_tree {
3397f9df
EW
556 my (@commits) = @_;
557 if ($_stdin || !@commits) {
558 print "Reading from stdin...\n";
559 @commits = ();
560 while (<STDIN>) {
1ca72aef 561 if (/\b($sha1_short)\b/o) {
3397f9df
EW
562 unshift @commits, $1;
563 }
564 }
565 }
566 my @revs;
8de010ad 567 foreach my $c (@commits) {
aef4e921 568 my @tmp = command('rev-parse',$c);
8de010ad
EW
569 if (scalar @tmp == 1) {
570 push @revs, $tmp[0];
571 } elsif (scalar @tmp > 1) {
aef4e921 572 push @revs, reverse(command('rev-list',@tmp));
8de010ad 573 } else {
207f1a75 574 fatal "Failed to rev-parse $c";
8de010ad 575 }
3397f9df 576 }
1ce255dc
EW
577 my $gs = Git::SVN->new;
578 my ($r_last, $cmt_last) = $gs->last_rev_commit;
579 $gs->fetch;
97f6987a 580 if (defined $gs->{last_rev} && $r_last != $gs->{last_rev}) {
1ce255dc
EW
581 fatal "There are new revisions that were fetched ",
582 "and need to be merged (or acknowledged) ",
583 "before committing.\nlast rev: $r_last\n",
207f1a75 584 " current: $gs->{last_rev}";
a5e0cedc 585 }
1ce255dc
EW
586 $gs->set_tree($_) foreach @revs;
587 print "Done committing ",scalar @revs," revisions to SVN\n";
3157dd9e 588 unlink $gs->{index};
a5e0cedc 589}
8f22562c 590
1e5814f3
BJ
591sub split_merge_info_range {
592 my ($range) = @_;
593 if ($range =~ /(\d+)-(\d+)/) {
594 return (int($1), int($2));
595 } else {
596 return (int($range), int($range));
597 }
598}
599
600sub combine_ranges {
601 my ($in) = @_;
602
603 my @fnums = ();
604 my @arr = split(/,/, $in);
605 for my $element (@arr) {
606 my ($start, $end) = split_merge_info_range($element);
607 push @fnums, $start;
608 }
609
610 my @sorted = @arr [ sort {
611 $fnums[$a] <=> $fnums[$b]
612 } 0..$#arr ];
613
614 my @return = ();
615 my $last = -1;
616 my $first = -1;
617 for my $element (@sorted) {
618 my ($start, $end) = split_merge_info_range($element);
619
620 if ($last == -1) {
621 $first = $start;
622 $last = $end;
623 next;
624 }
625 if ($start <= $last+1) {
626 if ($end > $last) {
627 $last = $end;
628 }
629 next;
630 }
631 if ($first == $last) {
632 push @return, "$first";
633 } else {
634 push @return, "$first-$last";
635 }
636 $first = $start;
637 $last = $end;
638 }
639
640 if ($first != -1) {
641 if ($first == $last) {
642 push @return, "$first";
643 } else {
644 push @return, "$first-$last";
645 }
646 }
647
648 return join(',', @return);
649}
650
651sub merge_revs_into_hash {
652 my ($hash, $minfo) = @_;
653 my @lines = split(' ', $minfo);
654
655 for my $line (@lines) {
656 my ($branchpath, $revs) = split(/:/, $line);
657
658 if (exists($hash->{$branchpath})) {
659 # Merge the two revision sets
660 my $combined = "$hash->{$branchpath},$revs";
661 $hash->{$branchpath} = combine_ranges($combined);
662 } else {
663 # Just do range combining for consolidation
664 $hash->{$branchpath} = combine_ranges($revs);
665 }
666 }
667}
668
669sub merge_merge_info {
670 my ($mergeinfo_one, $mergeinfo_two) = @_;
671 my %result_hash = ();
672
673 merge_revs_into_hash(\%result_hash, $mergeinfo_one);
674 merge_revs_into_hash(\%result_hash, $mergeinfo_two);
675
676 my $result = '';
677 # Sort below is for consistency's sake
678 for my $branchname (sort keys(%result_hash)) {
679 my $revlist = $result_hash{$branchname};
680 $result .= "$branchname:$revlist\n"
681 }
682 return $result;
683}
684
685sub populate_merge_info {
686 my ($d, $gs, $uuid, $linear_refs, $rewritten_parent) = @_;
687
688 my %parentshash;
689 read_commit_parents(\%parentshash, $d);
690 my @parents = @{$parentshash{$d}};
691 if ($#parents > 0) {
692 # Merge commit
693 my $all_parents_ok = 1;
694 my $aggregate_mergeinfo = '';
695 my $rooturl = $gs->repos_root;
696
697 if (defined($rewritten_parent)) {
698 # Replace first parent with newly-rewritten version
699 shift @parents;
700 unshift @parents, $rewritten_parent;
701 }
702
703 foreach my $parent (@parents) {
704 my ($branchurl, $svnrev, $paruuid) =
705 cmt_metadata($parent);
706
707 unless (defined($svnrev)) {
708 # Should have been caught be preflight check
709 fatal "merge commit $d has ancestor $parent, but that change "
710 ."does not have git-svn metadata!";
711 }
0e7e30f5 712 unless ($branchurl =~ /^\Q$rooturl\E(.*)/) {
1e5814f3
BJ
713 fatal "commit $parent git-svn metadata changed mid-run!";
714 }
715 my $branchpath = $1;
716
717 my $ra = Git::SVN::Ra->new($branchurl);
718 my (undef, undef, $props) =
719 $ra->get_dir(canonicalize_path("."), $svnrev);
720 my $par_mergeinfo = $props->{'svn:mergeinfo'};
721 unless (defined $par_mergeinfo) {
722 $par_mergeinfo = '';
723 }
724 # Merge previous mergeinfo values
725 $aggregate_mergeinfo =
726 merge_merge_info($aggregate_mergeinfo,
727 $par_mergeinfo, 0);
728
729 next if $parent eq $parents[0]; # Skip first parent
730 # Add new changes being placed in tree by merge
731 my @cmd = (qw/rev-list --reverse/,
732 $parent, qw/--not/);
733 foreach my $par (@parents) {
734 unless ($par eq $parent) {
735 push @cmd, $par;
736 }
737 }
738 my @revsin = ();
739 my ($revlist, $ctx) = command_output_pipe(@cmd);
740 while (<$revlist>) {
741 my $irev = $_;
742 chomp $irev;
743 my (undef, $csvnrev, undef) =
744 cmt_metadata($irev);
745 unless (defined $csvnrev) {
746 # A child is missing SVN annotations...
747 # this might be OK, or might not be.
748 warn "W:child $irev is merged into revision "
749 ."$d but does not have git-svn metadata. "
750 ."This means git-svn cannot determine the "
751 ."svn revision numbers to place into the "
752 ."svn:mergeinfo property. You must ensure "
753 ."a branch is entirely committed to "
754 ."SVN before merging it in order for "
755 ."svn:mergeinfo population to function "
756 ."properly";
757 }
758 push @revsin, $csvnrev;
759 }
760 command_close_pipe($revlist, $ctx);
761
762 last unless $all_parents_ok;
763
764 # We now have a list of all SVN revnos which are
765 # merged by this particular parent. Integrate them.
766 next if $#revsin == -1;
767 my $newmergeinfo = "$branchpath:" . join(',', @revsin);
768 $aggregate_mergeinfo =
769 merge_merge_info($aggregate_mergeinfo,
770 $newmergeinfo, 1);
771 }
772 if ($all_parents_ok and $aggregate_mergeinfo) {
773 return $aggregate_mergeinfo;
774 }
775 }
776
777 return undef;
778}
779
d7ad3bed
EW
780sub cmd_dcommit {
781 my $head = shift;
181264ad 782 command_noisy(qw/update-index --refresh/);
c8cfa3e4 783 git_cmd_try { command_oneline(qw/diff-index --quiet HEAD/) }
826a9339 784 'Cannot dcommit with a dirty index. Commit your changes first, '
c8cfa3e4 785 . "or stash them with `git stash'.\n";
d7ad3bed 786 $head ||= 'HEAD';
5eec27e3
TR
787
788 my $old_head;
789 if ($head ne 'HEAD') {
790 $old_head = eval {
791 command_oneline([qw/symbolic-ref -q HEAD/])
792 };
793 if ($old_head) {
794 $old_head =~ s{^refs/heads/}{};
795 } else {
796 $old_head = eval { command_oneline(qw/rev-parse HEAD/) };
797 }
798 command(['checkout', $head], STDERR => 0);
799 }
800
a8ae2623 801 my @refs;
5eec27e3 802 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD', \@refs);
2cb61105
TR
803 unless ($gs) {
804 die "Unable to determine upstream SVN information from ",
805 "$head history.\nPerhaps the repository is empty.";
806 }
0df84059
PO
807
808 if (defined $_commit_url) {
809 $url = $_commit_url;
810 } else {
811 $url = eval { command_oneline('config', '--get',
812 "svn-remote.$gs->{repo_id}.commiturl") };
813 if (!$url) {
12a296bc 814 $url = $gs->full_pushurl
0df84059
PO
815 }
816 }
817
ba24e745 818 my $last_rev = $_revision if defined $_revision;
59b0c24d
MM
819 if ($url) {
820 print "Committing to $url ...\n";
821 }
733a65aa 822 my ($linear_refs, $parents) = linearize_history($gs, \@refs);
751eb395
EW
823 if ($_no_rebase && scalar(@$linear_refs) > 1) {
824 warn "Attempting to commit more than one change while ",
825 "--no-rebase is enabled.\n",
826 "If these changes depend on each other, re-running ",
7dfa16b9 827 "without --no-rebase may be required."
751eb395 828 }
afd7f1eb
FH
829
830 if (defined $_interactive){
831 my $ask_default = "y";
832 foreach my $d (@$linear_refs){
833 my ($fh, $ctx) = command_output_pipe(qw(show --summary), "$d");
834 while (<$fh>){
835 print $_;
836 }
837 command_close_pipe($fh, $ctx);
838 $_ = ask("Commit this patch to SVN? ([y]es (default)|[n]o|[q]uit|[a]ll): ",
839 valid_re => qr/^(?:yes|y|no|n|quit|q|all|a)/i,
840 default => $ask_default);
841 die "Commit this patch reply required" unless defined $_;
842 if (/^[nq]/i) {
843 exit(0);
844 } elsif (/^a/i) {
845 last;
846 }
847 }
848 }
849
711521e2 850 my $expect_url = $url;
1e5814f3
BJ
851
852 my $push_merge_info = eval {
853 command_oneline(qw/config --get svn.pushmergeinfo/)
854 };
855 if (not defined($push_merge_info)
856 or $push_merge_info eq "false"
857 or $push_merge_info eq "no"
858 or $push_merge_info eq "never") {
859 $push_merge_info = 0;
860 }
861
862 unless (defined($_merge_info) || ! $push_merge_info) {
863 # Preflight check of changes to ensure no issues with mergeinfo
864 # This includes check for uncommitted-to-SVN parents
865 # (other than the first parent, which we will handle),
866 # information from different SVN repos, and paths
867 # which are not underneath this repository root.
868 my $rooturl = $gs->repos_root;
869 foreach my $d (@$linear_refs) {
870 my %parentshash;
871 read_commit_parents(\%parentshash, $d);
872 my @realparents = @{$parentshash{$d}};
873 if ($#realparents > 0) {
874 # Merge commit
875 shift @realparents; # Remove/ignore first parent
876 foreach my $parent (@realparents) {
877 my ($branchurl, $svnrev, $paruuid) = cmt_metadata($parent);
878 unless (defined $paruuid) {
879 # A parent is missing SVN annotations...
880 # abort the whole operation.
881 fatal "$parent is merged into revision $d, "
882 ."but does not have git-svn metadata. "
883 ."Either dcommit the branch or use a "
884 ."local cherry-pick, FF merge, or rebase "
885 ."instead of an explicit merge commit.";
886 }
887
888 unless ($paruuid eq $uuid) {
889 # Parent has SVN metadata from different repository
890 fatal "merge parent $parent for change $d has "
891 ."git-svn uuid $paruuid, while current change "
892 ."has uuid $uuid!";
893 }
894
0e7e30f5 895 unless ($branchurl =~ /^\Q$rooturl\E(.*)/) {
1e5814f3
BJ
896 # This branch is very strange indeed.
897 fatal "merge parent $parent for $d is on branch "
898 ."$branchurl, which is not under the "
899 ."git-svn root $rooturl!";
900 }
901 }
902 }
903 }
904 }
905
906 my $rewritten_parent;
711521e2 907 Git::SVN::remove_username($expect_url);
98c4ab32
BJ
908 if (defined($_merge_info)) {
909 $_merge_info =~ tr{ }{\n};
910 }
c74d9acf
EW
911 while (1) {
912 my $d = shift @$linear_refs or last;
45bf473a
EW
913 unless (defined $last_rev) {
914 (undef, $last_rev, undef) = cmt_metadata("$d~1");
915 unless (defined $last_rev) {
d7ad3bed 916 fatal "Unable to extract revision information ",
207f1a75 917 "from commit $d~1";
45bf473a
EW
918 }
919 }
b22d4497
EW
920 if ($_dry_run) {
921 print "diff-tree $d~1 $d\n";
922 } else {
751eb395 923 my $cmt_rev;
1e5814f3
BJ
924
925 unless (defined($_merge_info) || ! $push_merge_info) {
926 $_merge_info = populate_merge_info($d, $gs,
927 $uuid,
928 $linear_refs,
929 $rewritten_parent);
930 }
931
d7ad3bed 932 my %ed_opts = ( r => $last_rev,
61395354 933 log => get_commit_entry($d)->{log},
ba24e745 934 ra => Git::SVN::Ra->new($url),
3caf320b
KA
935 config => SVN::Core::config_get_config(
936 $Git::SVN::Ra::config_dir
937 ),
61395354
EW
938 tree_a => "$d~1",
939 tree_b => $d,
940 editor_cb => sub {
941 print "Committed r$_[0]\n";
751eb395
EW
942 $cmt_rev = $_[0];
943 },
6abd9332 944 mergeinfo => $_merge_info,
a8ae2623 945 svn_path => '');
72827aa4 946 if (!Git::SVN::Editor->new(\%ed_opts)->apply_diff) {
d7ad3bed 947 print "No changes\n$d~1 == $d\n";
733a65aa 948 } elsif ($parents->{$d} && @{$parents->{$d}}) {
751eb395 949 $gs->{inject_parents_dcommit}->{$cmt_rev} =
733a65aa 950 $parents->{$d};
d7ad3bed 951 }
751eb395 952 $_fetch_all ? $gs->fetch_all : $gs->fetch;
7dfa16b9 953 $last_rev = $cmt_rev;
751eb395
EW
954 next if $_no_rebase;
955
956 # we always want to rebase against the current HEAD,
957 # not any head that was passed to us
c74d9acf 958 my @diff = command('diff-tree', $d,
751eb395
EW
959 $gs->refname, '--');
960 my @finish;
961 if (@diff) {
962 @finish = rebase_cmd();
c74d9acf 963 print STDERR "W: $d and ", $gs->refname,
751eb395 964 " differ, using @finish:\n",
c74d9acf 965 join("\n", @diff), "\n";
751eb395
EW
966 } else {
967 print "No changes between current HEAD and ",
968 $gs->refname,
969 "\nResetting to the latest ",
970 $gs->refname, "\n";
971 @finish = qw/reset --mixed/;
972 }
973 command_noisy(@finish, $gs->refname);
1e5814f3
BJ
974
975 $rewritten_parent = command_oneline(qw/rev-parse HEAD/);
976
c74d9acf
EW
977 if (@diff) {
978 @refs = ();
979 my ($url_, $rev_, $uuid_, $gs_) =
5eec27e3 980 working_head_info('HEAD', \@refs);
c74d9acf
EW
981 my ($linear_refs_, $parents_) =
982 linearize_history($gs_, \@refs);
983 if (scalar(@$linear_refs) !=
984 scalar(@$linear_refs_)) {
985 fatal "# of revisions changed ",
986 "\nbefore:\n",
987 join("\n", @$linear_refs),
988 "\n\nafter:\n",
989 join("\n", @$linear_refs_), "\n",
990 'If you are attempting to commit ',
991 "merges, try running:\n\t",
992 'git rebase --interactive',
993 '--preserve-merges ',
994 $gs->refname,
995 "\nBefore dcommitting";
996 }
711521e2 997 if ($url_ ne $expect_url) {
c03c1f79
AG
998 if ($url_ eq $gs->metadata_url) {
999 print
1000 "Accepting rewritten URL:",
1001 " $url_\n";
1002 } else {
1003 fatal
1004 "URL mismatch after rebase:",
1005 " $url_ != $expect_url";
1006 }
c74d9acf
EW
1007 }
1008 if ($uuid_ ne $uuid) {
1009 fatal "uuid mismatch after rebase: ",
1010 "$uuid_ != $uuid";
1011 }
1012 # remap parents
1013 my (%p, @l, $i);
1014 for ($i = 0; $i < scalar @$linear_refs; $i++) {
1015 my $new = $linear_refs_->[$i] or next;
1016 $p{$new} =
1017 $parents->{$linear_refs->[$i]};
1018 push @l, $new;
1019 }
1020 $parents = \%p;
1021 $linear_refs = \@l;
1022 }
b22d4497
EW
1023 }
1024 }
5eec27e3
TR
1025
1026 if ($old_head) {
1027 my $new_head = command_oneline(qw/rev-parse HEAD/);
1028 my $new_is_symbolic = eval {
1029 command_oneline(qw/symbolic-ref -q HEAD/);
1030 };
1031 if ($new_is_symbolic) {
1032 print "dcommitted the branch ", $head, "\n";
1033 } else {
1034 print "dcommitted on a detached HEAD because you gave ",
1035 "a revision argument.\n",
1036 "The rewritten commit is: ", $new_head, "\n";
1037 }
1038 command(['checkout', $old_head], STDERR => 0);
1039 }
1040
3157dd9e 1041 unlink $gs->{index};
b22d4497
EW
1042}
1043
5de70efb
FR
1044sub cmd_branch {
1045 my ($branch_name, $head) = @_;
1046
1047 unless (defined $branch_name && length $branch_name) {
1048 die(($_tag ? "tag" : "branch") . " name required\n");
1049 }
1050 $head ||= 'HEAD';
1051
150d38c4 1052 my (undef, $rev, undef, $gs) = working_head_info($head);
12a296bc 1053 my $src = $gs->full_pushurl;
5de70efb 1054
a0fbc87c 1055 my $remote = Git::SVN::read_all_remotes()->{$gs->{repo_id}};
62244069
MB
1056 my $allglobs = $remote->{ $_tag ? 'tags' : 'branches' };
1057 my $glob;
1058 if ($#{$allglobs} == 0) {
1059 $glob = $allglobs->[0];
1060 } else {
1061 unless(defined $_branch_dest) {
1062 die "Multiple ",
1063 $_tag ? "tag" : "branch",
1064 " paths defined for Subversion repository.\n",
1065 "You must specify where you want to create the ",
1066 $_tag ? "tag" : "branch",
1067 " with the --destination argument.\n";
1068 }
1069 foreach my $g (@{$allglobs}) {
72827aa4 1070 my $re = Git::SVN::Editor::glob2pat($g->{path}->{left});
f7050599 1071 if ($_branch_dest =~ /$re/) {
62244069
MB
1072 $glob = $g;
1073 last;
1074 }
1075 }
1076 unless (defined $glob) {
eaa14ff8
EW
1077 my $dest_re = qr/\b\Q$_branch_dest\E\b/;
1078 foreach my $g (@{$allglobs}) {
1079 $g->{path}->{left} =~ /$dest_re/ or next;
1080 if (defined $glob) {
1081 die "Ambiguous destination: ",
1082 $_branch_dest, "\nmatches both '",
1083 $glob->{path}->{left}, "' and '",
1084 $g->{path}->{left}, "'\n";
1085 }
1086 $glob = $g;
1087 }
1088 unless (defined $glob) {
1089 die "Unknown ",
1090 $_tag ? "tag" : "branch",
1091 " destination $_branch_dest\n";
1092 }
62244069
MB
1093 }
1094 }
5de70efb 1095 my ($lft, $rgt) = @{ $glob->{path} }{qw/left right/};
99bacd6c
IM
1096 my $url;
1097 if (defined $_commit_url) {
1098 $url = $_commit_url;
1099 } else {
1100 $url = eval { command_oneline('config', '--get',
1101 "svn-remote.$gs->{repo_id}.commiturl") };
1102 if (!$url) {
12a296bc 1103 $url = $remote->{pushurl} || $remote->{url};
99bacd6c
IM
1104 }
1105 }
1106 my $dst = join '/', $url, $lft, $branch_name, ($rgt || ());
5de70efb 1107
a83b91e7
IM
1108 if ($dst =~ /^https:/ && $src =~ /^http:/) {
1109 $src=~s/^http:/https:/;
1110 }
1111
d32fad2b 1112 ::_req_svn();
1113
5de70efb
FR
1114 my $ctx = SVN::Client->new(
1115 auth => Git::SVN::Ra::_auth_providers(),
1116 log_msg => sub {
1117 ${ $_[0] } = defined $_message
1118 ? $_message
1119 : 'Create ' . ($_tag ? 'tag ' : 'branch ' )
1120 . $branch_name;
1121 },
1122 );
1123
1124 eval {
1125 $ctx->ls($dst, 'HEAD', 0);
1126 } and die "branch ${branch_name} already exists\n";
1127
1128 print "Copying ${src} at r${rev} to ${dst}...\n";
1129 $ctx->copy($src, $rev, $dst)
1130 unless $_dry_run;
1131
1132 $gs->fetch_all;
1133}
1134
26e60160 1135sub cmd_find_rev {
ea14e6c5
MAL
1136 my $revision_or_hash = shift or die "SVN or git revision required ",
1137 "as a command-line argument\n";
26e60160
AR
1138 my $result;
1139 if ($revision_or_hash =~ /^r\d+$/) {
b3cb7e45
AR
1140 my $head = shift;
1141 $head ||= 'HEAD';
1142 my @refs;
63c56022 1143 my (undef, undef, $uuid, $gs) = working_head_info($head, \@refs);
b3cb7e45
AR
1144 unless ($gs) {
1145 die "Unable to determine upstream SVN information from ",
1146 "$head history\n";
26e60160 1147 }
b3cb7e45 1148 my $desired_revision = substr($revision_or_hash, 1);
63c56022 1149 $result = $gs->rev_map_get($desired_revision, $uuid);
26e60160
AR
1150 } else {
1151 my (undef, $rev, undef) = cmt_metadata($revision_or_hash);
1152 $result = $rev;
1153 }
1154 print "$result\n" if $result;
1155}
1156
55f9d7a7
MH
1157sub auto_create_empty_directories {
1158 my ($gs) = @_;
1159 my $var = eval { command_oneline('config', '--get', '--bool',
1160 "svn-remote.$gs->{repo_id}.automkdirs") };
1161 # By default, create empty directories by consulting the unhandled log,
1162 # but allow setting it to 'false' to skip it.
1163 return !($var && $var eq 'false');
1164}
1165
905f8b7d
EW
1166sub cmd_rebase {
1167 command_noisy(qw/update-index --refresh/);
13c823fb
EW
1168 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1169 unless ($gs) {
905f8b7d
EW
1170 die "Unable to determine upstream SVN information from ",
1171 "working tree history\n";
1172 }
7d45e146
SF
1173 if ($_dry_run) {
1174 print "Remote Branch: " . $gs->refname . "\n";
1175 print "SVN URL: " . $url . "\n";
1176 return;
1177 }
905f8b7d
EW
1178 if (command(qw/diff-index HEAD --/)) {
1179 print STDERR "Cannot rebase with uncommited changes:\n";
1180 command_noisy('status');
1181 exit 1;
1182 }
dee41f3e 1183 unless ($_local) {
cec0d5a3
SG
1184 # rebase will checkout for us, so no need to do it explicitly
1185 $_no_checkout = 'true';
dee41f3e
EW
1186 $_fetch_all ? $gs->fetch_all : $gs->fetch;
1187 }
905f8b7d 1188 command_noisy(rebase_cmd(), $gs->refname);
55f9d7a7
MH
1189 if (auto_create_empty_directories($gs)) {
1190 $gs->mkemptydirs;
1191 }
905f8b7d
EW
1192}
1193
5969cbe1 1194sub cmd_show_ignore {
13c823fb
EW
1195 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1196 $gs ||= Git::SVN->new;
5969cbe1 1197 my $r = (defined $_revision ? $_revision : $gs->ra->get_latest_revnum);
01bdab84
BS
1198 $gs->prop_walk($gs->{path}, $r, sub {
1199 my ($gs, $path, $props) = @_;
1200 print STDOUT "\n# $path\n";
1201 my $s = $props->{'svn:ignore'} or return;
1202 $s =~ s/[\r\n]+/\n/g;
a7d72544 1203 $s =~ s/^\n+//;
01bdab84
BS
1204 chomp $s;
1205 $s =~ s#^#$path#gm;
1206 print STDOUT "$s\n";
1207 });
a5e0cedc
EW
1208}
1209
2d879792
VK
1210sub cmd_show_externals {
1211 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1212 $gs ||= Git::SVN->new;
1213 my $r = (defined $_revision ? $_revision : $gs->ra->get_latest_revnum);
1214 $gs->prop_walk($gs->{path}, $r, sub {
1215 my ($gs, $path, $props) = @_;
1216 print STDOUT "\n# $path\n";
1217 my $s = $props->{'svn:externals'} or return;
1218 $s =~ s/[\r\n]+/\n/g;
1219 chomp $s;
1220 $s =~ s#^#$path#gm;
1221 print STDOUT "$s\n";
1222 });
1223}
1224
d05ddec5
BS
1225sub cmd_create_ignore {
1226 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1227 $gs ||= Git::SVN->new;
1228 my $r = (defined $_revision ? $_revision : $gs->ra->get_latest_revnum);
1229 $gs->prop_walk($gs->{path}, $r, sub {
1230 my ($gs, $path, $props) = @_;
1231 # $path is of the form /path/to/dir/
7d9fd459
BG
1232 $path = '.' . $path;
1233 # SVN can have attributes on empty directories,
1234 # which git won't track
1235 mkpath([$path]) unless -d $path;
1236 my $ignore = $path . '.gitignore';
d05ddec5
BS
1237 my $s = $props->{'svn:ignore'} or return;
1238 open(GITIGNORE, '>', $ignore)
207f1a75 1239 or fatal("Failed to open `$ignore' for writing: $!");
d05ddec5 1240 $s =~ s/[\r\n]+/\n/g;
a7d72544 1241 $s =~ s/^\n+//;
d05ddec5
BS
1242 chomp $s;
1243 # Prefix all patterns so that the ignore doesn't apply
1244 # to sub-directories.
1245 $s =~ s#^#/#gm;
1246 print GITIGNORE "$s\n";
1247 close(GITIGNORE)
207f1a75 1248 or fatal("Failed to close `$ignore': $!");
c4c66b26 1249 command_noisy('add', '-f', $ignore);
d05ddec5
BS
1250 });
1251}
1252
6111b934
EW
1253sub cmd_mkdirs {
1254 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1255 $gs ||= Git::SVN->new;
1256 $gs->mkemptydirs($_revision);
1257}
1258
b2b3ada7
DK
1259sub canonicalize_path {
1260 my ($path) = @_;
e6fefa92
DK
1261 my $dot_slash_added = 0;
1262 if (substr($path, 0, 1) ne "/") {
1263 $path = "./" . $path;
1264 $dot_slash_added = 1;
1265 }
b2b3ada7
DK
1266 # File::Spec->canonpath doesn't collapse x/../y into y (for a
1267 # good reason), so let's do this manually.
1268 $path =~ s#/+#/#g;
1269 $path =~ s#/\.(?:/|$)#/#g;
1270 $path =~ s#/[^/]+/\.\.##g;
1271 $path =~ s#/$##g;
e6fefa92 1272 $path =~ s#^\./## if $dot_slash_added;
2fe403e7
GP
1273 $path =~ s#^/##;
1274 $path =~ s#^\.$##;
b2b3ada7
DK
1275 return $path;
1276}
1277
50ff2366
UD
1278sub canonicalize_url {
1279 my ($url) = @_;
1280 $url =~ s#^([^:]+://[^/]*/)(.*)$#$1 . canonicalize_path($2)#e;
1281 return $url;
1282}
1283
15153451
BS
1284# get_svnprops(PATH)
1285# ------------------
51e057cf 1286# Helper for cmd_propget and cmd_proplist below.
15153451
BS
1287sub get_svnprops {
1288 my $path = shift;
1289 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1290 $gs ||= Git::SVN->new;
1291
1292 # prefix THE PATH by the sub-directory from which the user
1293 # invoked us.
1294 $path = $cmd_dir_prefix . $path;
207f1a75 1295 fatal("No such file or directory: $path") unless -e $path;
15153451
BS
1296 my $is_dir = -d $path ? 1 : 0;
1297 $path = $gs->{path} . '/' . $path;
1298
1299 # canonicalize the path (otherwise libsvn will abort or fail to
1300 # find the file)
b2b3ada7 1301 $path = canonicalize_path($path);
15153451
BS
1302
1303 my $r = (defined $_revision ? $_revision : $gs->ra->get_latest_revnum);
1304 my $props;
1305 if ($is_dir) {
1306 (undef, undef, $props) = $gs->ra->get_dir($path, $r);
1307 }
1308 else {
1309 (undef, $props) = $gs->ra->get_file($path, $r, undef);
1310 }
1311 return $props;
1312}
1313
1314# cmd_propget (PROP, PATH)
1315# ------------------------
1316# Print the SVN property PROP for PATH.
1317sub cmd_propget {
1318 my ($prop, $path) = @_;
1319 $path = '.' if not defined $path;
1320 usage(1) if not defined $prop;
1321 my $props = get_svnprops($path);
1322 if (not defined $props->{$prop}) {
207f1a75 1323 fatal("`$path' does not have a `$prop' SVN property.");
15153451
BS
1324 }
1325 print $props->{$prop} . "\n";
1326}
1327
51e057cf
BS
1328# cmd_proplist (PATH)
1329# -------------------
1330# Print the list of SVN properties for PATH.
1331sub cmd_proplist {
1332 my $path = shift;
1333 $path = '.' if not defined $path;
1334 my $props = get_svnprops($path);
1335 print "Properties on '$path':\n";
1336 foreach (sort keys %{$props}) {
1337 print " $_\n";
1338 }
1339}
1340
8164b652 1341sub cmd_multi_init {
9d55b41a 1342 my $url = shift;
62244069 1343 unless (defined $_trunk || @_branches || @_tags) {
98327e58 1344 usage(1);
9d55b41a 1345 }
dc431666 1346
8164b652 1347 $_prefix = '' unless defined $_prefix;
dadc6d2a 1348 if (defined $url) {
50ff2366 1349 $url = canonicalize_url($url);
dadc6d2a
EW
1350 init_subdir(@_);
1351 }
f30603fc 1352 do_git_init_db();
98327e58 1353 if (defined $_trunk) {
b4b33600 1354 $_trunk =~ s#^/+##;
6f5748e1 1355 my $trunk_ref = 'refs/remotes/' . $_prefix . 'trunk';
706587fc
EW
1356 # try both old-style and new-style lookups:
1357 my $gs_trunk = eval { Git::SVN->new($trunk_ref) };
8164b652 1358 unless ($gs_trunk) {
706587fc
EW
1359 my ($trunk_url, $trunk_path) =
1360 complete_svn_url($url, $_trunk);
1361 $gs_trunk = Git::SVN->init($trunk_url, $trunk_path,
1362 undef, $trunk_ref);
98327e58 1363 }
c35b96e7 1364 }
62244069 1365 return unless @_branches || @_tags;
e7db67e6 1366 my $ra = $url ? Git::SVN::Ra->new($url) : undef;
62244069
MB
1367 foreach my $path (@_branches) {
1368 complete_url_ls_init($ra, $path, '--branches/-b', $_prefix);
1369 }
1370 foreach my $path (@_tags) {
1371 complete_url_ls_init($ra, $path, '--tags/-t', $_prefix.'tags/');
1372 }
9d55b41a
EW
1373}
1374
1c8443b0 1375sub cmd_multi_fetch {
4d0157d6 1376 $Git::SVN::no_reuse_existing = undef;
0af9c9f9
EW
1377 my $remotes = Git::SVN::read_all_remotes();
1378 foreach my $repo_id (sort keys %$remotes) {
db03cd24 1379 if ($remotes->{$repo_id}->{url}) {
4bb9ed04
EW
1380 Git::SVN::fetch_all($repo_id, $remotes);
1381 }
9d55b41a 1382 }
9d55b41a
EW
1383}
1384
44320b9e
EW
1385# this command is special because it requires no metadata
1386sub cmd_commit_diff {
1387 my ($ta, $tb, $url) = @_;
1388 my $usage = "Usage: $0 commit-diff -r<revision> ".
207f1a75 1389 "<tree-ish> <tree-ish> [<URL>]";
44320b9e 1390 fatal($usage) if (!defined $ta || !defined $tb);
d72ab8c8 1391 my $svn_path = '';
44320b9e
EW
1392 if (!defined $url) {
1393 my $gs = eval { Git::SVN->new };
1394 if (!$gs) {
1395 fatal("Needed URL or usable git-svn --id in ",
1396 "the command-line\n", $usage);
1397 }
1398 $url = $gs->{url};
d3a840dc 1399 $svn_path = $gs->{path};
44320b9e
EW
1400 }
1401 unless (defined $_revision) {
1402 fatal("-r|--revision is a required argument\n", $usage);
1403 }
1404 if (defined $_message && defined $_file) {
1405 fatal("Both --message/-m and --file/-F specified ",
1406 "for the commit message.\n",
207f1a75 1407 "I have no idea what you mean");
44320b9e
EW
1408 }
1409 if (defined $_file) {
1410 $_message = file_to_s($_file);
1411 } else {
1412 $_message ||= get_commit_entry($tb)->{log};
1413 }
1414 my $ra ||= Git::SVN::Ra->new($url);
1415 my $r = $_revision;
1416 if ($r eq 'HEAD') {
1417 $r = $ra->get_latest_revnum;
1418 } elsif ($r !~ /^\d+$/) {
1419 die "revision argument: $r not understood by git-svn\n";
1420 }
61395354
EW
1421 my %ed_opts = ( r => $r,
1422 log => $_message,
1423 ra => $ra,
1424 tree_a => $ta,
1425 tree_b => $tb,
1426 editor_cb => sub { print "Committed r$_[0]\n" },
1427 svn_path => $svn_path );
72827aa4 1428 if (!Git::SVN::Editor->new(\%ed_opts)->apply_diff) {
44320b9e
EW
1429 print "No changes\n$ta == $tb\n";
1430 }
44320b9e
EW
1431}
1432
05427b91
TR
1433sub escape_uri_only {
1434 my ($uri) = @_;
1435 my @tmp;
1436 foreach (split m{/}, $uri) {
6a004d3f 1437 s/([^~\w.%+-]|%(?![a-fA-F0-9]{2}))/sprintf("%%%02X",ord($1))/eg;
05427b91
TR
1438 push @tmp, $_;
1439 }
1440 join('/', @tmp);
1441}
1442
1443sub escape_url {
1444 my ($url) = @_;
1445 if ($url =~ m#^([^:]+)://([^/]*)(.*)$#) {
1446 my ($scheme, $domain, $uri) = ($1, $2, escape_uri_only($3));
1447 $url = "$scheme://$domain$uri";
1448 }
1449 $url;
1450}
1451
e6fefa92 1452sub cmd_info {
bd2d4f96 1453 my $path = canonicalize_path(defined($_[0]) ? $_[0] : ".");
edde9112 1454 my $fullpath = canonicalize_path($cmd_dir_prefix . $path);
bd2d4f96 1455 if (exists $_[1]) {
e6fefa92
DK
1456 die "Too many arguments specified\n";
1457 }
1458
1459 my ($file_type, $diff_status) = find_file_type_and_diff_status($path);
1460
1461 if (!$file_type && !$diff_status) {
2cf3e3ac
TR
1462 print STDERR "svn: '$path' is not under version control\n";
1463 exit 1;
e6fefa92
DK
1464 }
1465
1466 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1467 unless ($gs) {
1468 die "Unable to determine upstream SVN information from ",
1469 "working tree history\n";
1470 }
bd2d4f96
EW
1471
1472 # canonicalize_path() will return "" to make libsvn 1.5.x happy,
1473 $path = "." if $path eq "";
1474
edde9112 1475 my $full_url = $url . ($fullpath eq "" ? "" : "/$fullpath");
e6fefa92 1476
8b014d71 1477 if ($_url) {
05427b91 1478 print escape_url($full_url), "\n";
8b014d71
DK
1479 return;
1480 }
1481
e6fefa92
DK
1482 my $result = "Path: $path\n";
1483 $result .= "Name: " . basename($path) . "\n" if $file_type ne "dir";
05427b91 1484 $result .= "URL: " . escape_url($full_url) . "\n";
e6fefa92 1485
a5460eb7
EW
1486 eval {
1487 my $repos_root = $gs->repos_root;
1488 Git::SVN::remove_username($repos_root);
05427b91 1489 $result .= "Repository Root: " . escape_url($repos_root) . "\n";
a5460eb7
EW
1490 };
1491 if ($@) {
1492 $result .= "Repository Root: (offline)\n";
1493 }
b91a8a3e 1494 ::_req_svn();
22ba47f5 1495 $result .= "Repository UUID: $uuid\n" unless $diff_status eq "A" &&
f760c903 1496 (::compare_svn_version('1.5.4') <= 0 || $file_type ne "dir");
e6fefa92
DK
1497 $result .= "Revision: " . ($diff_status eq "A" ? 0 : $rev) . "\n";
1498
1499 $result .= "Node Kind: " .
1500 ($file_type eq "dir" ? "directory" : "file") . "\n";
1501
1502 my $schedule = $diff_status eq "A"
1503 ? "add"
1504 : ($diff_status eq "D" ? "delete" : "normal");
1505 $result .= "Schedule: $schedule\n";
1506
1507 if ($diff_status eq "A") {
1508 print $result, "\n";
1509 return;
1510 }
1511
1512 my ($lc_author, $lc_rev, $lc_date_utc);
edde9112 1513 my @args = Git::SVN::Log::git_svn_log_cmd($rev, $rev, "--", $fullpath);
e6fefa92
DK
1514 my $log = command_output_pipe(@args);
1515 my $esc_color = qr/(?:\033\[(?:(?:\d+;)*\d*)?m)*/;
1516 while (<$log>) {
1517 if (/^${esc_color}author (.+) <[^>]+> (\d+) ([\-\+]?\d+)$/o) {
1518 $lc_author = $1;
1519 $lc_date_utc = Git::SVN::Log::parse_git_date($2, $3);
1520 } elsif (/^${esc_color} (git-svn-id:.+)$/o) {
1521 (undef, $lc_rev, undef) = ::extract_metadata($1);
1522 }
1523 }
1524 close $log;
1525
1526 Git::SVN::Log::set_local_timezone();
1527
1528 $result .= "Last Changed Author: $lc_author\n";
1529 $result .= "Last Changed Rev: $lc_rev\n";
1530 $result .= "Last Changed Date: " .
1531 Git::SVN::Log::format_svn_date($lc_date_utc) . "\n";
1532
1533 if ($file_type ne "dir") {
1534 my $text_last_updated_date =
1535 ($diff_status eq "D" ? $lc_date_utc : (stat $path)[9]);
1536 $result .=
1537 "Text Last Updated: " .
1538 Git::SVN::Log::format_svn_date($text_last_updated_date) .
1539 "\n";
1540 my $checksum;
1541 if ($diff_status eq "D") {
1542 my ($fh, $ctx) =
1543 command_output_pipe(qw(cat-file blob), "HEAD:$path");
1544 if ($file_type eq "link") {
1545 my $file_name = <$fh>;
8d7c4fad 1546 $checksum = md5sum("link $file_name");
e6fefa92 1547 } else {
8d7c4fad 1548 $checksum = md5sum($fh);
e6fefa92
DK
1549 }
1550 command_close_pipe($fh, $ctx);
1551 } elsif ($file_type eq "link") {
1552 my $file_name =
1553 command(qw(cat-file blob), "HEAD:$path");
1554 $checksum =
8d7c4fad 1555 md5sum("link " . $file_name);
e6fefa92
DK
1556 } else {
1557 open FILE, "<", $path or die $!;
8d7c4fad 1558 $checksum = md5sum(\*FILE);
e6fefa92
DK
1559 close FILE or die $!;
1560 }
1561 $result .= "Checksum: " . $checksum . "\n";
1562 }
1563
1564 print $result, "\n";
1565}
1566
195643f2
BJ
1567sub cmd_reset {
1568 my $target = shift || $_revision or die "SVN revision required\n";
1569 $target = $1 if $target =~ /^r(\d+)$/;
1570 $target =~ /^\d+$/ or die "Numeric SVN revision expected\n";
1571 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1572 unless ($gs) {
1573 die "Unable to determine upstream SVN information from ".
1574 "history\n";
1575 }
1576 my ($r, $c) = $gs->find_rev_before($target, not $_fetch_parent);
70ee0b77 1577 die "Cannot find SVN revision $target\n" unless defined($c);
195643f2
BJ
1578 $gs->rev_map_set($r, $c, 'reset', $uuid);
1579 print "r$r = $c ($gs->{ref_id})\n";
1580}
1581
2da9ee08 1582sub cmd_gc {
c2768fa1 1583 if (!can_compress()) {
2da9ee08
RZ
1584 warn "Compress::Zlib could not be found; unhandled.log " .
1585 "files will not be compressed.\n";
1586 }
1587 find({ wanted => \&gc_directory, no_chdir => 1}, "$ENV{GIT_DIR}/svn");
1588}
1589
3397f9df
EW
1590########################### utility functions #########################
1591
905f8b7d
EW
1592sub rebase_cmd {
1593 my @cmd = qw/rebase/;
1594 push @cmd, '-v' if $_verbose;
1595 push @cmd, qw/--merge/ if $_merge;
1596 push @cmd, "--strategy=$_strategy" if $_strategy;
b64e1f58 1597 push @cmd, "--preserve-merges" if $_preserve_merges;
905f8b7d
EW
1598 @cmd;
1599}
1600
1e889ef3
EW
1601sub post_fetch_checkout {
1602 return if $_no_checkout;
e3bd4dda 1603 return if verify_ref('HEAD^0');
1e889ef3 1604 my $gs = $Git::SVN::_head or return;
1e889ef3 1605
b186a261
EW
1606 # look for "trunk" ref if it exists
1607 my $remote = Git::SVN::read_all_remotes()->{$gs->{repo_id}};
1608 my $fetch = $remote->{fetch};
1609 if ($fetch) {
1610 foreach my $p (keys %$fetch) {
1611 basename($fetch->{$p}) eq 'trunk' or next;
1612 $gs = Git::SVN->new($fetch->{$p}, $gs->{repo_id}, $p);
1613 last;
1614 }
1615 }
1616
e3bd4dda
MO
1617 command_noisy(qw(update-ref HEAD), $gs->refname);
1618 return unless verify_ref('HEAD^0');
1e889ef3
EW
1619
1620 return if $ENV{GIT_DIR} !~ m#^(?:.*/)?\.git$#;
1621 my $index = $ENV{GIT_INDEX_FILE} || "$ENV{GIT_DIR}/index";
1622 return if -f $index;
1623
7ae3df8c 1624 return if command_oneline(qw/rev-parse --is-inside-work-tree/) eq 'false';
1e889ef3
EW
1625 return if command_oneline(qw/rev-parse --is-inside-git-dir/) eq 'true';
1626 command_noisy(qw/read-tree -m -u -v HEAD HEAD/);
1627 print STDERR "Checked out HEAD:\n ",
1628 $gs->full_url, " r", $gs->last_rev, "\n";
55f9d7a7
MH
1629 if (auto_create_empty_directories($gs)) {
1630 $gs->mkemptydirs($gs->last_rev);
1631 }
1e889ef3
EW
1632}
1633
98327e58
EW
1634sub complete_svn_url {
1635 my ($url, $path) = @_;
1636 $path =~ s#/+$##;
98327e58 1637 if ($path !~ m#^[a-z\+]+://#) {
98327e58
EW
1638 if (!defined $url || $url !~ m#^[a-z\+]+://#) {
1639 fatal("E: '$path' is not a complete URL ",
207f1a75 1640 "and a separate URL is not specified");
98327e58 1641 }
706587fc 1642 return ($url, $path);
98327e58 1643 }
706587fc 1644 return ($path, '');
98327e58
EW
1645}
1646
9d55b41a 1647sub complete_url_ls_init {
706587fc
EW
1648 my ($ra, $repo_path, $switch, $pfx) = @_;
1649 unless ($repo_path) {
9d55b41a
EW
1650 print STDERR "W: $switch not specified\n";
1651 return;
1652 }
706587fc
EW
1653 $repo_path =~ s#/+$##;
1654 if ($repo_path =~ m#^[a-z\+]+://#) {
1655 $ra = Git::SVN::Ra->new($repo_path);
1656 $repo_path = '';
e7db67e6 1657 } else {
706587fc 1658 $repo_path =~ s#^/+##;
e7db67e6 1659 unless ($ra) {
706587fc 1660 fatal("E: '$repo_path' is not a complete URL ",
207f1a75 1661 "and a separate URL is not specified");
8164b652 1662 }
e7db67e6 1663 }
706587fc 1664 my $url = $ra->{url};
b4d57e5e
EW
1665 my $gs = Git::SVN->init($url, undef, undef, undef, 1);
1666 my $k = "svn-remote.$gs->{repo_id}.url";
1667 my $orig_url = eval { command_oneline(qw/config --get/, $k) };
1668 if ($orig_url && ($orig_url ne $gs->{url})) {
1669 die "$k already set: $orig_url\n",
1670 "wanted to set to: $gs->{url}\n";
88cf4107 1671 }
b4d57e5e 1672 command_oneline('config', $k, $gs->{url}) unless $orig_url;
0b2af457 1673 my $remote_path = "$gs->{path}/$repo_path";
5268f9ed 1674 $remote_path =~ s{%([0-9A-F]{2})}{chr hex($1)}ieg;
b4d57e5e
EW
1675 $remote_path =~ s#/+#/#g;
1676 $remote_path =~ s#^/##g;
ed0b9d43 1677 $remote_path .= "/*" if $remote_path !~ /\*/;
b4d57e5e
EW
1678 my ($n) = ($switch =~ /^--(\w+)/);
1679 if (length $pfx && $pfx !~ m#/$#) {
1680 die "--prefix='$pfx' must have a trailing slash '/'\n";
9d55b41a 1681 }
570d35c2 1682 command_noisy('config',
62244069 1683 '--add',
570d35c2
MG
1684 "svn-remote.$gs->{repo_id}.$n",
1685 "$remote_path:refs/remotes/$pfx*" .
1686 ('/*' x (($remote_path =~ tr/*/*/) - 1)) );
9d55b41a
EW
1687}
1688
aef4e921
EW
1689sub verify_ref {
1690 my ($ref) = @_;
2c5c1d53
EW
1691 eval { command_oneline([ 'rev-parse', '--verify', $ref ],
1692 { STDERR => 0 }); };
aef4e921
EW
1693}
1694
a5e0cedc 1695sub get_tree_from_treeish {
cf52b8f0 1696 my ($treeish) = @_;
44320b9e 1697 # $treeish can be a symbolic ref, too:
aef4e921 1698 my $type = command_oneline(qw/cat-file -t/, $treeish);
cf52b8f0
EW
1699 my $expected;
1700 while ($type eq 'tag') {
aef4e921 1701 ($treeish, $type) = command(qw/cat-file tag/, $treeish);
cf52b8f0
EW
1702 }
1703 if ($type eq 'commit') {
aef4e921
EW
1704 $expected = (grep /^tree /, command(qw/cat-file commit/,
1705 $treeish))[0];
44320b9e 1706 ($expected) = ($expected =~ /^tree ($sha1)$/o);
cf52b8f0
EW
1707 die "Unable to get tree from $treeish\n" unless $expected;
1708 } elsif ($type eq 'tree') {
1709 $expected = $treeish;
1710 } else {
1711 die "$treeish is a $type, expected tree, tag or commit\n";
1712 }
a5e0cedc
EW
1713 return $expected;
1714}
1715
44320b9e
EW
1716sub get_commit_entry {
1717 my ($treeish) = shift;
1718 my %log_entry = ( log => '', tree => get_tree_from_treeish($treeish) );
1719 my $commit_editmsg = "$ENV{GIT_DIR}/COMMIT_EDITMSG";
1720 my $commit_msg = "$ENV{GIT_DIR}/COMMIT_MSG";
1721 open my $log_fh, '>', $commit_editmsg or croak $!;
3397f9df 1722
44320b9e 1723 my $type = command_oneline(qw/cat-file -t/, $treeish);
4ad4515d 1724 if ($type eq 'commit' || $type eq 'tag') {
aef4e921 1725 my ($msg_fh, $ctx) = command_output_pipe('cat-file',
44320b9e 1726 $type, $treeish);
3397f9df 1727 my $in_msg = 0;
6aa9ba14
AP
1728 my $author;
1729 my $saw_from = 0;
328eb9b3 1730 my $msgbuf = "";
3397f9df
EW
1731 while (<$msg_fh>) {
1732 if (!$in_msg) {
1733 $in_msg = 1 if (/^\s*$/);
6aa9ba14 1734 $author = $1 if (/^author (.*>)/);
df746c5a 1735 } elsif (/^git-svn-id: /) {
44320b9e
EW
1736 # skip this for now, we regenerate the
1737 # correct one on re-fetch anyways
1738 # TODO: set *:merge properties or like...
3397f9df 1739 } else {
6aa9ba14
AP
1740 if (/^From:/ || /^Signed-off-by:/) {
1741 $saw_from = 1;
1742 }
328eb9b3 1743 $msgbuf .= $_;
3397f9df
EW
1744 }
1745 }
328eb9b3 1746 $msgbuf =~ s/\s+$//s;
6aa9ba14
AP
1747 if ($Git::SVN::_add_author_from && defined($author)
1748 && !$saw_from) {
328eb9b3 1749 $msgbuf .= "\n\nFrom: $author";
6aa9ba14 1750 }
328eb9b3 1751 print $log_fh $msgbuf or croak $!;
aef4e921 1752 command_close_pipe($msg_fh, $ctx);
3397f9df 1753 }
44320b9e 1754 close $log_fh or croak $!;
3397f9df
EW
1755
1756 if ($_edit || ($type eq 'tree')) {
b4479f07
JN
1757 chomp(my $editor = command_oneline(qw(var GIT_EDITOR)));
1758 system('sh', '-c', $editor.' "$@"', $editor, $commit_editmsg);
3397f9df 1759 }
44320b9e 1760 rename $commit_editmsg, $commit_msg or croak $!;
16fc08e2 1761 {
b510df8a 1762 require Encode;
16fc08e2
EW
1763 # SVN requires messages to be UTF-8 when entering the repo
1764 local $/;
1765 open $log_fh, '<', $commit_msg or croak $!;
1766 binmode $log_fh;
1767 chomp($log_entry{log} = <$log_fh>);
1768
b510df8a
EW
1769 my $enc = Git::config('i18n.commitencoding') || 'UTF-8';
1770 my $msg = $log_entry{log};
1771
1772 eval { $msg = Encode::decode($enc, $msg, 1) };
1773 if ($@) {
1774 die "Could not decode as $enc:\n", $msg,
1775 "\nPerhaps you need to set i18n.commitencoding\n";
16fc08e2 1776 }
b510df8a
EW
1777
1778 eval { $msg = Encode::encode('UTF-8', $msg, 1) };
1779 die "Could not encode as UTF-8:\n$msg\n" if $@;
1780
1781 $log_entry{log} = $msg;
1782
16fc08e2
EW
1783 close $log_fh or croak $!;
1784 }
44320b9e
EW
1785 unlink $commit_msg;
1786 \%log_entry;
a5e0cedc
EW
1787}
1788
3397f9df
EW
1789sub s_to_file {
1790 my ($str, $file, $mode) = @_;
1791 open my $fd,'>',$file or croak $!;
1792 print $fd $str,"\n" or croak $!;
1793 close $fd or croak $!;
1794 chmod ($mode &~ umask, $file) if (defined $mode);
1795}
1796
1797sub file_to_s {
1798 my $file = shift;
1799 open my $fd,'<',$file or croak "$!: file: $file\n";
1800 local $/;
1801 my $ret = <$fd>;
1802 close $fd or croak $!;
1803 $ret =~ s/\s*$//s;
1804 return $ret;
1805}
1806
eeb0abe0
EW
1807# '<svn username> = real-name <email address>' mapping based on git-svnimport:
1808sub load_authors {
1809 open my $authors, '<', $_authors or die "Can't open $_authors $!\n";
f8c9d1d2 1810 my $log = $cmd eq 'log';
eeb0abe0
EW
1811 while (<$authors>) {
1812 chomp;
575d025c 1813 next unless /^(.+?|\(no author\))\s*=\s*(.+?)\s*<(.+)>\s*$/;
eeb0abe0 1814 my ($user, $name, $email) = ($1, $2, $3);
f8c9d1d2
EW
1815 if ($log) {
1816 $Git::SVN::Log::rusers{"$name <$email>"} = $user;
1817 } else {
1818 $users{$user} = [$name, $email];
1819 }
79bb8d88
EW
1820 }
1821 close $authors or croak $!;
1822}
1823
e0d10e1c 1824# convert GetOpt::Long specs for use by git-config
1a30582b 1825sub read_git_config {
b8c92cad 1826 my $opts = shift;
97ae0911 1827 my @config_only;
b8c92cad 1828 foreach my $o (keys %$opts) {
97ae0911
EW
1829 # if we have mixedCase and a long option-only, then
1830 # it's a config-only variable that we don't need for
1831 # the command-line.
1832 push @config_only, $o if ($o =~ /[A-Z]/ && $o =~ /^[a-z]+$/i);
b8c92cad 1833 my $v = $opts->{$o};
97ae0911 1834 my ($key) = ($o =~ /^([a-zA-Z\-]+)/);
b8c92cad 1835 $key =~ s/-//g;
225f1d0c 1836 my $arg = 'git config';
b8c92cad
EW
1837 $arg .= ' --int' if ($o =~ /[:=]i$/);
1838 $arg .= ' --bool' if ($o !~ /[:=][sfi]$/);
1839 if (ref $v eq 'ARRAY') {
1840 chomp(my @tmp = `$arg --get-all svn.$key`);
1841 @$v = @tmp if @tmp;
1842 } else {
1843 chomp(my $tmp = `$arg --get svn.$key`);
7774284a 1844 if ($tmp && !($arg =~ / --bool/ && $tmp eq 'false')) {
b8c92cad
EW
1845 $$v = $tmp;
1846 }
1847 }
1848 }
97ae0911 1849 delete @$opts{@config_only} if @config_only;
b8c92cad
EW
1850}
1851
79bb8d88 1852sub extract_metadata {
c1927a85 1853 my $id = shift or return (undef, undef, undef);
3dfab993 1854 my ($url, $rev, $uuid) = ($id =~ /^\s*git-svn-id:\s+(.*)\@(\d+)
b3e95936 1855 \s([a-f\d\-]+)$/ix);
e70dc780 1856 if (!defined $rev || !$uuid || !$url) {
79bb8d88 1857 # some of the original repositories I made had
82e5a82f 1858 # identifiers like this:
b3e95936 1859 ($rev, $uuid) = ($id =~/^\s*git-svn-id:\s(\d+)\@([a-f\d\-]+)/i);
79bb8d88
EW
1860 }
1861 return ($url, $rev, $uuid);
1862}
1863
c1927a85
EW
1864sub cmt_metadata {
1865 return extract_metadata((grep(/^git-svn-id: /,
aef4e921 1866 command(qw/cat-file commit/, shift)))[-1]);
c1927a85
EW
1867}
1868
6ea42032
BB
1869sub cmt_sha2rev_batch {
1870 my %s2r;
1871 my ($pid, $in, $out, $ctx) = command_bidi_pipe(qw/cat-file --batch/);
1872 my $list = shift;
1873
1874 foreach my $sha (@{$list}) {
1875 my $first = 1;
1876 my $size = 0;
1877 print $out $sha, "\n";
1878
1879 while (my $line = <$in>) {
1880 if ($first && $line =~ /^[[:xdigit:]]{40}\smissing$/) {
1881 last;
1882 } elsif ($first &&
1883 $line =~ /^[[:xdigit:]]{40}\scommit\s(\d+)$/) {
1884 $first = 0;
1885 $size = $1;
1886 next;
1887 } elsif ($line =~ /^(git-svn-id: )/) {
1888 my (undef, $rev, undef) =
1889 extract_metadata($line);
1890 $s2r{$sha} = $rev;
1891 }
1892
1893 $size -= length($line);
1894 last if ($size == 0);
1895 }
1896 }
1897
1898 command_close_bidi_pipe($pid, $in, $out, $ctx);
1899
1900 return \%s2r;
1901}
1902
905f8b7d
EW
1903sub working_head_info {
1904 my ($head, $refs) = @_;
83cf21f9 1905 my @args = qw/rev-list --first-parent --pretty=medium/;
05b4df31 1906 my ($fh, $ctx) = command_output_pipe(@args, $head);
3dfab993 1907 my $hash;
40cb8f8f 1908 my %max;
3dfab993
SV
1909 while (<$fh>) {
1910 if ( m{^commit ($::sha1)$} ) {
1911 unshift @$refs, $hash if $hash and $refs;
1912 $hash = $1;
1913 next;
1914 }
1915 next unless s{^\s*(git-svn-id:)}{$1};
1916 my ($url, $rev, $uuid) = extract_metadata($_);
13c823fb 1917 if (defined $url && defined $rev) {
40cb8f8f 1918 next if $max{$url} and $max{$url} < $rev;
13c823fb 1919 if (my $gs = Git::SVN->find_by_url($url)) {
63c56022 1920 my $c = $gs->rev_map_get($rev, $uuid);
b03c7a63 1921 if ($c && $c eq $hash) {
13c823fb
EW
1922 close $fh; # break the pipe
1923 return ($url, $rev, $uuid, $gs);
40cb8f8f 1924 } else {
060610c5 1925 $max{$url} ||= $gs->rev_map_max;
13c823fb
EW
1926 }
1927 }
1928 }
905f8b7d 1929 }
13c823fb
EW
1930 command_close_pipe($fh, $ctx);
1931 (undef, undef, undef, undef);
905f8b7d
EW
1932}
1933
733a65aa
EW
1934sub read_commit_parents {
1935 my ($parents, $c) = @_;
7b02b85a
EW
1936 chomp(my $p = command_oneline(qw/rev-list --parents -1/, $c));
1937 $p =~ s/^($c)\s*// or die "rev-list --parents -1 $c failed!\n";
1938 @{$parents->{$c}} = split(/ /, $p);
733a65aa
EW
1939}
1940
1941sub linearize_history {
1942 my ($gs, $refs) = @_;
1943 my %parents;
1944 foreach my $c (@$refs) {
1945 read_commit_parents(\%parents, $c);
1946 }
1947
1948 my @linear_refs;
1949 my %skip = ();
1950 my $last_svn_commit = $gs->last_commit;
1951 foreach my $c (reverse @$refs) {
1952 next if $c eq $last_svn_commit;
1953 last if $skip{$c};
1954
1955 unshift @linear_refs, $c;
1956 $skip{$c} = 1;
1957
1958 # we only want the first parent to diff against for linear
1959 # history, we save the rest to inject when we finalize the
1960 # svn commit
1961 my $fp_a = verify_ref("$c~1");
1962 my $fp_b = shift @{$parents{$c}} if $parents{$c};
1963 if (!$fp_a || !$fp_b) {
1964 die "Commit $c\n",
1965 "has no parent commit, and therefore ",
1966 "nothing to diff against.\n",
1967 "You should be working from a repository ",
1968 "originally created by git-svn\n";
1969 }
1970 if ($fp_a ne $fp_b) {
1971 die "$c~1 = $fp_a, however parsing commit $c ",
1972 "revealed that:\n$c~1 = $fp_b\nBUG!\n";
1973 }
1974
1975 foreach my $p (@{$parents{$c}}) {
1976 $skip{$p} = 1;
1977 }
1978 }
1979 (\@linear_refs, \%parents);
1980}
1981
e6fefa92
DK
1982sub find_file_type_and_diff_status {
1983 my ($path) = @_;
107cee50 1984 return ('dir', '') if $path eq '';
e6fefa92
DK
1985
1986 my $diff_output =
1987 command_oneline(qw(diff --cached --name-status --), $path) || "";
1988 my $diff_status = (split(' ', $diff_output))[0] || "";
1989
1990 my $ls_tree = command_oneline(qw(ls-tree HEAD), $path) || "";
1991
1992 return (undef, undef) if !$diff_status && !$ls_tree;
1993
1994 if ($diff_status eq "A") {
1995 return ("link", $diff_status) if -l $path;
1996 return ("dir", $diff_status) if -d $path;
1997 return ("file", $diff_status);
1998 }
1999
2000 my $mode = (split(' ', $ls_tree))[0] || "";
2001
2002 return ("link", $diff_status) if $mode eq "120000";
2003 return ("dir", $diff_status) if $mode eq "040000";
2004 return ("file", $diff_status);
2005}
2006
b2b3ada7
DK
2007sub md5sum {
2008 my $arg = shift;
2009 my $ref = ref $arg;
2010 my $md5 = Digest::MD5->new();
0b19138b 2011 if ($ref eq 'GLOB' || $ref eq 'IO::File' || $ref eq 'File::Temp') {
b2b3ada7
DK
2012 $md5->addfile($arg) or croak $!;
2013 } elsif ($ref eq 'SCALAR') {
2014 $md5->add($$arg) or croak $!;
2015 } elsif (!$ref) {
2016 $md5->add($arg) or croak $!;
2017 } else {
c2768fa1 2018 fatal "Can't provide MD5 hash for unknown ref type: '", $ref, "'";
b2b3ada7
DK
2019 }
2020 return $md5->hexdigest();
2021}
2022
2da9ee08 2023sub gc_directory {
c2768fa1 2024 if (can_compress() && -f $_ && basename($_) eq "unhandled.log") {
2da9ee08
RZ
2025 my $out_filename = $_ . ".gz";
2026 open my $in_fh, "<", $_ or die "Unable to open $_: $!\n";
2027 binmode $in_fh;
2028 my $gz = Compress::Zlib::gzopen($out_filename, "ab") or
2029 die "Unable to open $out_filename: $!\n";
2030
2031 my $res;
2032 while ($res = sysread($in_fh, my $str, 1024)) {
2033 $gz->gzwrite($str) or
2034 die "Unable to write: ".$gz->gzerror()."!\n";
2035 }
2036 unlink $_ or die "unlink $File::Find::name: $!\n";
2037 } elsif (-f $_ && basename($_) eq "index") {
2038 unlink $_ or die "unlink $_: $!\n";
2039 }
2040}
2041
18ea92bd 2042
706587fc
EW
2043package Git::SVN::Migration;
2044# these version numbers do NOT correspond to actual version numbers
2045# of git nor git-svn. They are just relative.
2046#
2047# v0 layout: .git/$id/info/url, refs/heads/$id-HEAD
2048#
2049# v1 layout: .git/$id/info/url, refs/remotes/$id
2050#
2051# v2 layout: .git/svn/$id/info/url, refs/remotes/$id
2052#
2053# v3 layout: .git/svn/$id, refs/remotes/$id
2054# - info/url may remain for backwards compatibility
2055# - this is what we migrate up to this layout automatically,
2056# - this will be used by git svn init on single branches
26a62d57
EW
2057# v3.1 layout (auto migrated):
2058# - .rev_db => .rev_db.$UUID, .rev_db will remain as a symlink
2059# for backwards compatibility
706587fc
EW
2060#
2061# v4 layout: .git/svn/$repo_id/$id, refs/remotes/$repo_id/$id
2062# - this is only created for newly multi-init-ed
2063# repositories. Similar in spirit to the
2064# --use-separate-remotes option in git-clone (now default)
2065# - we do not automatically migrate to this (following
2066# the example set by core git)
060610c5
EW
2067#
2068# v5 layout: .rev_db.$UUID => .rev_map.$UUID
2069# - newer, more-efficient format that uses 24-bytes per record
2070# with no filler space.
2071# - use xxd -c24 < .rev_map.$UUID to view and debug
2072# - This is a one-way migration, repositories updated to the
2073# new format will not be able to use old git-svn without
2074# rebuilding the .rev_db. Rebuilding the rev_db is not
2075# possible if noMetadata or useSvmProps are set; but should
2076# be no problem for users that use the (sensible) defaults.
706587fc
EW
2077use strict;
2078use warnings;
2079use Carp qw/croak/;
2080use File::Path qw/mkpath/;
47e39c55
EW
2081use File::Basename qw/dirname basename/;
2082use vars qw/$_minimize/;
706587fc
EW
2083
2084sub migrate_from_v0 {
2085 my $git_dir = $ENV{GIT_DIR};
2086 return undef unless -d $git_dir;
2087 my ($fh, $ctx) = command_output_pipe(qw/rev-parse --symbolic --all/);
2088 my $migrated = 0;
2089 while (<$fh>) {
2090 chomp;
2091 my ($id, $orig_ref) = ($_, $_);
2092 next unless $id =~ s#^refs/heads/(.+)-HEAD$#$1#;
2093 next unless -f "$git_dir/$id/info/url";
2094 my $new_ref = "refs/remotes/$id";
2095 if (::verify_ref("$new_ref^0")) {
2096 print STDERR "W: $orig_ref is probably an old ",
2097 "branch used by an ancient version of ",
2098 "git-svn.\n",
2099 "However, $new_ref also exists.\n",
2100 "We will not be able ",
2101 "to use this branch until this ",
2102 "ambiguity is resolved.\n";
2103 next;
2104 }
2105 print STDERR "Migrating from v0 layout...\n" if !$migrated;
2106 print STDERR "Renaming ref: $orig_ref => $new_ref\n";
2107 command_noisy('update-ref', $new_ref, $orig_ref);
2108 command_noisy('update-ref', '-d', $orig_ref, $orig_ref);
2109 $migrated++;
2110 }
2111 command_close_pipe($fh, $ctx);
2112 print STDERR "Done migrating from v0 layout...\n" if $migrated;
2113 $migrated;
2114}
2115
2116sub migrate_from_v1 {
2117 my $git_dir = $ENV{GIT_DIR};
2118 my $migrated = 0;
2119 return $migrated unless -d $git_dir;
2120 my $svn_dir = "$git_dir/svn";
2121
2122 # just in case somebody used 'svn' as their $id at some point...
2123 return $migrated if -d $svn_dir && ! -f "$svn_dir/info/url";
2124
2125 print STDERR "Migrating from a git-svn v1 layout...\n";
2126 mkpath([$svn_dir]);
2127 print STDERR "Data from a previous version of git-svn exists, but\n\t",
2128 "$svn_dir\n\t(required for this version ",
8f510bef 2129 "($::VERSION) of git-svn) does not exist.\n";
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2130 my ($fh, $ctx) = command_output_pipe(qw/rev-parse --symbolic --all/);
2131 while (<$fh>) {
2132 my $x = $_;
2133 next unless $x =~ s#^refs/remotes/##;
2134 chomp $x;
2135 next unless -f "$git_dir/$x/info/url";
2136 my $u = eval { ::file_to_s("$git_dir/$x/info/url") };
2137 next unless $u;
2138 my $dn = dirname("$git_dir/svn/$x");
2139 mkpath([$dn]) unless -d $dn;
2140 if ($x eq 'svn') { # they used 'svn' as GIT_SVN_ID:
2141 mkpath(["$git_dir/svn/svn"]);
2142 print STDERR " - $git_dir/$x/info => ",
2143 "$git_dir/svn/$x/info\n";
2144 rename "$git_dir/$x/info", "$git_dir/svn/$x/info" or
2145 croak "$!: $x";
2146 # don't worry too much about these, they probably
2147 # don't exist with repos this old (save for index,
2148 # and we can easily regenerate that)
2149 foreach my $f (qw/unhandled.log index .rev_db/) {
2150 rename "$git_dir/$x/$f", "$git_dir/svn/$x/$f";
2151 }
2152 } else {
2153 print STDERR " - $git_dir/$x => $git_dir/svn/$x\n";
2154 rename "$git_dir/$x", "$git_dir/svn/$x" or
2155 croak "$!: $x";
2156 }
2157 $migrated++;
2158 }
2159 command_close_pipe($fh, $ctx);
2160 print STDERR "Done migrating from a git-svn v1 layout\n";
2161 $migrated;
2162}
2163
2164sub read_old_urls {
2165 my ($l_map, $pfx, $path) = @_;
2166 my @dir;
2167 foreach (<$path/*>) {
2168 if (-r "$_/info/url") {
2169 $pfx .= '/' if $pfx && $pfx !~ m!/$!;
2170 my $ref_id = $pfx . basename $_;
2171 my $url = ::file_to_s("$_/info/url");
2172 $l_map->{$ref_id} = $url;
2173 } elsif (-d $_) {
2174 push @dir, $_;
2175 }
2176 }
2177 foreach (@dir) {
2178 my $x = $_;
2179 $x =~ s!^\Q$ENV{GIT_DIR}\E/svn/!!o;
2180 read_old_urls($l_map, $x, $_);
2181 }
2182}
2183
2184sub migrate_from_v2 {
2185 my @cfg = command(qw/config -l/);
2186 return if grep /^svn-remote\..+\.url=/, @cfg;
2187 my %l_map;
2188 read_old_urls(\%l_map, '', "$ENV{GIT_DIR}/svn");
2189 my $migrated = 0;
2190
2191 foreach my $ref_id (sort keys %l_map) {
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2192 eval { Git::SVN->init($l_map{$ref_id}, '', undef, $ref_id) };
2193 if ($@) {
2194 Git::SVN->init($l_map{$ref_id}, '', $ref_id, $ref_id);
2195 }
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2196 $migrated++;
2197 }
2198 $migrated;
2199}
2200
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2201sub minimize_connections {
2202 my $r = Git::SVN::read_all_remotes();
2203 my $new_urls = {};
2204 my $root_repos = {};
2205 foreach my $repo_id (keys %$r) {
2206 my $url = $r->{$repo_id}->{url} or next;
2207 my $fetch = $r->{$repo_id}->{fetch} or next;
2208 my $ra = Git::SVN::Ra->new($url);
2209
2210 # skip existing cases where we already connect to the root
2211 if (($ra->{url} eq $ra->{repos_root}) ||
7829f20f 2212 ($ra->{repos_root} eq $repo_id)) {
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2213 $root_repos->{$ra->{url}} = $repo_id;
2214 next;
2215 }
2216
2217 my $root_ra = Git::SVN::Ra->new($ra->{repos_root});
2218 my $root_path = $ra->{url};
4e9f6cc7 2219 $root_path =~ s#^\Q$ra->{repos_root}\E(/|$)##;
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2220 foreach my $path (keys %$fetch) {
2221 my $ref_id = $fetch->{$path};
2222 my $gs = Git::SVN->new($ref_id, $repo_id, $path);
2223
2224 # make sure we can read when connecting to
2225 # a higher level of a repository
2226 my ($last_rev, undef) = $gs->last_rev_commit;
2227 if (!defined $last_rev) {
2228 $last_rev = eval {
2229 $root_ra->get_latest_revnum;
2230 };
2231 next if $@;
2232 }
2233 my $new = $root_path;
2234 $new .= length $path ? "/$path" : '';
2235 eval {
2236 $root_ra->get_log([$new], $last_rev, $last_rev,
2237 0, 0, 1, sub { });
2238 };
2239 next if $@;
2240 $new_urls->{$ra->{repos_root}}->{$new} =
2241 { ref_id => $ref_id,
2242 old_repo_id => $repo_id,
2243 old_path => $path };
2244 }
2245 }
2246
2247 my @emptied;
2248 foreach my $url (keys %$new_urls) {
2249 # see if we can re-use an existing [svn-remote "repo_id"]
2250 # instead of creating a(n ugly) new section:
7829f20f 2251 my $repo_id = $root_repos->{$url} || $url;
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2252
2253 my $fetch = $new_urls->{$url};
2254 foreach my $path (keys %$fetch) {
2255 my $x = $fetch->{$path};
2256 Git::SVN->init($url, $path, $repo_id, $x->{ref_id});
2257 my $pfx = "svn-remote.$x->{old_repo_id}";
2258
2259 my $old_fetch = quotemeta("$x->{old_path}:".
6f5748e1 2260 "$x->{ref_id}");
8b8fc068 2261 command_noisy(qw/config --unset/,
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2262 "$pfx.fetch", '^'. $old_fetch . '$');
2263 delete $r->{$x->{old_repo_id}}->
2264 {fetch}->{$x->{old_path}};
2265 if (!keys %{$r->{$x->{old_repo_id}}->{fetch}}) {
8b8fc068 2266 command_noisy(qw/config --unset/,
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2267 "$pfx.url");
2268 push @emptied, $x->{old_repo_id}
2269 }
2270 }
2271 }
2272 if (@emptied) {
8befc50c 2273 my $file = $ENV{GIT_CONFIG} || "$ENV{GIT_DIR}/config";
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2274 print STDERR <<EOF;
2275The following [svn-remote] sections in your config file ($file) are empty
2276and can be safely removed:
2277EOF
2278 print STDERR "[svn-remote \"$_\"]\n" foreach @emptied;
2279 }
2280}
2281
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2282sub migration_check {
2283 migrate_from_v0();
2284 migrate_from_v1();
2285 migrate_from_v2();
47e39c55 2286 minimize_connections() if $_minimize;
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2287}
2288
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2289package Git::IndexInfo;
2290use strict;
2291use warnings;
2292use Git qw/command_input_pipe command_close_pipe/;
2293
2294sub new {
2295 my ($class) = @_;
2296 my ($gui, $ctx) = command_input_pipe(qw/update-index -z --index-info/);
2297 bless { gui => $gui, ctx => $ctx, nr => 0}, $class;
2298}
2299
2300sub remove {
2301 my ($self, $path) = @_;
2302 if (print { $self->{gui} } '0 ', 0 x 40, "\t", $path, "\0") {
2303 return ++$self->{nr};
2304 }
2305 undef;
2306}
2307
2308sub update {
2309 my ($self, $mode, $hash, $path) = @_;
2310 if (print { $self->{gui} } $mode, ' ', $hash, "\t", $path, "\0") {
2311 return ++$self->{nr};
2312 }
2313 undef;
2314}
2315
2316sub DESTROY {
2317 my ($self) = @_;
2318 command_close_pipe($self->{gui}, $self->{ctx});
2319}
2320
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2321package Git::SVN::GlobSpec;
2322use strict;
2323use warnings;
2324
2325sub new {
07576208 2326 my ($class, $glob, $pattern_ok) = @_;
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2327 my $re = $glob;
2328 $re =~ s!/+$!!g; # no need for trailing slashes
07576208
JS
2329 my (@left, @right, @patterns);
2330 my $state = "left";
2331 my $die_msg = "Only one set of wildcard directories " .
2332 "(e.g. '*' or '*/*/*') is supported: '$glob'\n";
2333 for my $part (split(m|/|, $glob)) {
2334 if ($part =~ /\*/ && $part ne "*") {
2335 die "Invalid pattern in '$glob': $part\n";
2336 } elsif ($pattern_ok && $part =~ /[{}]/ &&
2337 $part !~ /^\{[^{}]+\}/) {
2338 die "Invalid pattern in '$glob': $part\n";
2339 }
2340 if ($part eq "*") {
2341 die $die_msg if $state eq "right";
2342 $state = "pattern";
2343 push(@patterns, "[^/]*");
2344 } elsif ($pattern_ok && $part =~ /^\{(.*)\}$/) {
2345 die $die_msg if $state eq "right";
2346 $state = "pattern";
2347 my $p = quotemeta($1);
2348 $p =~ s/\\,/|/g;
2349 push(@patterns, "(?:$p)");
2350 } else {
2351 if ($state eq "left") {
2352 push(@left, $part);
2353 } else {
2354 push(@right, $part);
2355 $state = "right";
2356 }
2357 }
570d35c2 2358 }
07576208 2359 my $depth = @patterns;
570d35c2 2360 if ($depth == 0) {
07576208 2361 die "One '*' is needed in glob: '$glob'\n";
4e9f6cc7 2362 }
07576208
JS
2363 my $left = join('/', @left);
2364 my $right = join('/', @right);
2365 $re = join('/', @patterns);
2366 $re = join('\/',
2367 grep(length, quotemeta($left), "($re)", quotemeta($right)));
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2368 my $left_re = qr/^\/\Q$left\E(\/|$)/;
2369 bless { left => $left, right => $right, left_regex => $left_re,
570d35c2 2370 regex => qr/$re/, glob => $glob, depth => $depth }, $class;
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2371}
2372
2373sub full_path {
2374 my ($self, $path) = @_;
2375 return (length $self->{left} ? "$self->{left}/" : '') .
2376 $path . (length $self->{right} ? "/$self->{right}" : '');
2377}
2378
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2379__END__
2380
2381Data structures:
2382
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2383
2384$remotes = { # returned by read_all_remotes()
2385 'svn' => {
2386 # svn-remote.svn.url=https://svn.musicpd.org
2387 url => 'https://svn.musicpd.org',
2388 # svn-remote.svn.fetch=mpd/trunk:trunk
2389 fetch => {
2390 'mpd/trunk' => 'trunk',
2391 },
2392 # svn-remote.svn.tags=mpd/tags/*:tags/*
2393 tags => {
2394 path => {
2395 left => 'mpd/tags',
2396 right => '',
2397 regex => qr!mpd/tags/([^/]+)$!,
2398 glob => 'tags/*',
2399 },
2400 ref => {
2401 left => 'tags',
2402 right => '',
2403 regex => qr!tags/([^/]+)$!,
2404 glob => 'tags/*',
2405 },
2406 }
2407 }
2408};
2409
44320b9e 2410$log_entry hashref as returned by libsvn_log_entry()
3397f9df 2411{
44320b9e 2412 log => 'whitespace-formatted log entry
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2413', # trailing newline is preserved
2414 revision => '8', # integer
2415 date => '2004-02-24T17:01:44.108345Z', # commit date
2416 author => 'committer name'
2417};
2418
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2419
2420# this is generated by generate_diff();
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2421@mods = array of diff-index line hashes, each element represents one line
2422 of diff-index output
2423
2424diff-index line ($m hash)
2425{
2426 mode_a => first column of diff-index output, no leading ':',
2427 mode_b => second column of diff-index output,
2428 sha1_b => sha1sum of the final blob,
ac8e0b91 2429 chg => change type [MCRADT],
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EW
2430 file_a => original file name of a file (iff chg is 'C' or 'R')
2431 file_b => new/current file name of a file (any chg)
2432}
2433;
a5e0cedc 2434
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EW
2435# retval of read_url_paths{,_all}();
2436$l_map = {
2437 # repository root url
2438 'https://svn.musicpd.org' => {
2439 # repository path # GIT_SVN_ID
2440 'mpd/trunk' => 'trunk',
2441 'mpd/tags/0.11.5' => 'tags/0.11.5',
2442 },
2443}
2444
a5e0cedc
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2445Notes:
2446 I don't trust the each() function on unless I created %hash myself
2447 because the internal iterator may not have started at base.