Merge branch 'jc/remote-multi-url'
[git/git.git] / git-remote.perl
CommitLineData
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1#!/usr/bin/perl -w
2
7deaec9a 3use strict;
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4use Git;
5my $git = Git->repository();
6
7sub add_remote_config {
8 my ($hash, $name, $what, $value) = @_;
9 if ($what eq 'url') {
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10 # Having more than one is Ok -- it is used for push.
11 if (! exists $hash->{'URL'}) {
12 $hash->{$name}{'URL'} = $value;
e194cd1e 13 }
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14 }
15 elsif ($what eq 'fetch') {
16 $hash->{$name}{'FETCH'} ||= [];
17 push @{$hash->{$name}{'FETCH'}}, $value;
18 }
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19 elsif ($what eq 'push') {
20 $hash->{$name}{'PUSH'} ||= [];
21 push @{$hash->{$name}{'PUSH'}}, $value;
22 }
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23 if (!exists $hash->{$name}{'SOURCE'}) {
24 $hash->{$name}{'SOURCE'} = 'config';
25 }
26}
27
28sub add_remote_remotes {
29 my ($hash, $file, $name) = @_;
30
31 if (exists $hash->{$name}) {
32 $hash->{$name}{'WARNING'} = 'ignored due to config';
33 return;
34 }
35
36 my $fh;
37 if (!open($fh, '<', $file)) {
38 print STDERR "Warning: cannot open $file\n";
39 return;
40 }
41 my $it = { 'SOURCE' => 'remotes' };
42 $hash->{$name} = $it;
43 while (<$fh>) {
44 chomp;
45 if (/^URL:\s*(.*)$/) {
46 # Having more than one is Ok -- it is used for push.
47 if (! exists $it->{'URL'}) {
48 $it->{'URL'} = $1;
49 }
50 }
51 elsif (/^Push:\s*(.*)$/) {
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52 $it->{'PUSH'} ||= [];
53 push @{$it->{'PUSH'}}, $1;
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54 }
55 elsif (/^Pull:\s*(.*)$/) {
56 $it->{'FETCH'} ||= [];
57 push @{$it->{'FETCH'}}, $1;
58 }
59 elsif (/^\#/) {
60 ; # ignore
61 }
62 else {
63 print STDERR "Warning: funny line in $file: $_\n";
64 }
65 }
66 close($fh);
67}
68
69sub list_remote {
70 my ($git) = @_;
71 my %seen = ();
72 my @remotes = eval {
e0d10e1c 73 $git->command(qw(config --get-regexp), '^remote\.');
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74 };
75 for (@remotes) {
b5a40a57 76 if (/^remote\.(\S+?)\.([^.\s]+)\s+(.*)$/) {
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77 add_remote_config(\%seen, $1, $2, $3);
78 }
79 }
80
81 my $dir = $git->repo_path() . "/remotes";
82 if (opendir(my $dh, $dir)) {
83 local $_;
84 while ($_ = readdir($dh)) {
85 chomp;
86 next if (! -f "$dir/$_" || ! -r _);
87 add_remote_remotes(\%seen, "$dir/$_", $_);
88 }
89 }
90
91 return \%seen;
92}
93
94sub add_branch_config {
95 my ($hash, $name, $what, $value) = @_;
96 if ($what eq 'remote') {
97 if (exists $hash->{$name}{'REMOTE'}) {
98 print STDERR "Warning: more than one branch.$name.remote\n";
99 }
100 $hash->{$name}{'REMOTE'} = $value;
101 }
102 elsif ($what eq 'merge') {
103 $hash->{$name}{'MERGE'} ||= [];
104 push @{$hash->{$name}{'MERGE'}}, $value;
105 }
106}
107
108sub list_branch {
109 my ($git) = @_;
110 my %seen = ();
111 my @branches = eval {
e0d10e1c 112 $git->command(qw(config --get-regexp), '^branch\.');
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113 };
114 for (@branches) {
115 if (/^branch\.([^.]*)\.(\S*)\s+(.*)$/) {
116 add_branch_config(\%seen, $1, $2, $3);
117 }
118 }
119
120 return \%seen;
121}
122
123my $remote = list_remote($git);
124my $branch = list_branch($git);
125
126sub update_ls_remote {
127 my ($harder, $info) = @_;
128
129 return if (($harder == 0) ||
130 (($harder == 1) && exists $info->{'LS_REMOTE'}));
131
132 my @ref = map {
133 s|^[0-9a-f]{40}\s+refs/heads/||;
134 $_;
135 } $git->command(qw(ls-remote --heads), $info->{'URL'});
136 $info->{'LS_REMOTE'} = \@ref;
137}
138
7a8c9ec1 139sub list_wildcard_mapping {
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140 my ($forced, $ours, $ls) = @_;
141 my %refs;
142 for (@$ls) {
143 $refs{$_} = 01; # bit #0 to say "they have"
144 }
145 for ($git->command('for-each-ref', "refs/remotes/$ours")) {
146 chomp;
147 next unless (s|^[0-9a-f]{40}\s[a-z]+\srefs/remotes/$ours/||);
148 next if ($_ eq 'HEAD');
149 $refs{$_} ||= 0;
150 $refs{$_} |= 02; # bit #1 to say "we have"
151 }
152 my (@new, @stale, @tracked);
153 for (sort keys %refs) {
154 my $have = $refs{$_};
155 if ($have == 1) {
156 push @new, $_;
157 }
158 elsif ($have == 2) {
159 push @stale, $_;
160 }
161 elsif ($have == 3) {
162 push @tracked, $_;
163 }
164 }
7a8c9ec1 165 return \@new, \@stale, \@tracked;
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166}
167
7a8c9ec1 168sub list_mapping {
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169 my ($name, $info) = @_;
170 my $fetch = $info->{'FETCH'};
171 my $ls = $info->{'LS_REMOTE'};
7a8c9ec1 172 my (@new, @stale, @tracked);
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173
174 for (@$fetch) {
175 next unless (/(\+)?([^:]+):(.*)/);
176 my ($forced, $theirs, $ours) = ($1, $2, $3);
177 if ($theirs eq 'refs/heads/*' &&
178 $ours =~ /^refs\/remotes\/(.*)\/\*$/) {
179 # wildcard mapping
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180 my ($w_new, $w_stale, $w_tracked)
181 = list_wildcard_mapping($forced, $1, $ls);
182 push @new, @$w_new;
183 push @stale, @$w_stale;
184 push @tracked, @$w_tracked;
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185 }
186 elsif ($theirs =~ /\*/ || $ours =~ /\*/) {
187 print STDERR "Warning: unrecognized mapping in remotes.$name.fetch: $_\n";
188 }
189 elsif ($theirs =~ s|^refs/heads/||) {
190 if (!grep { $_ eq $theirs } @$ls) {
191 push @stale, $theirs;
192 }
193 elsif ($ours ne '') {
194 push @tracked, $theirs;
195 }
196 }
197 }
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198 return \@new, \@stale, \@tracked;
199}
200
201sub show_mapping {
202 my ($name, $info) = @_;
203 my ($new, $stale, $tracked) = list_mapping($name, $info);
204 if (@$new) {
205 print " New remote branches (next fetch will store in remotes/$name)\n";
206 print " @$new\n";
207 }
208 if (@$stale) {
859607df 209 print " Stale tracking branches in remotes/$name (use 'git remote prune')\n";
7a8c9ec1 210 print " @$stale\n";
e194cd1e 211 }
7a8c9ec1 212 if (@$tracked) {
e194cd1e 213 print " Tracked remote branches\n";
7a8c9ec1 214 print " @$tracked\n";
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215 }
216}
217
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218sub prune_remote {
219 my ($name, $ls_remote) = @_;
220 if (!exists $remote->{$name}) {
221 print STDERR "No such remote $name\n";
f4bb20cc 222 return 1;
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223 }
224 my $info = $remote->{$name};
225 update_ls_remote($ls_remote, $info);
226
227 my ($new, $stale, $tracked) = list_mapping($name, $info);
228 my $prefix = "refs/remotes/$name";
229 foreach my $to_prune (@$stale) {
230 my @v = $git->command(qw(rev-parse --verify), "$prefix/$to_prune");
231 $git->command(qw(update-ref -d), "$prefix/$to_prune", $v[0]);
232 }
f4bb20cc 233 return 0;
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234}
235
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236sub show_remote {
237 my ($name, $ls_remote) = @_;
238 if (!exists $remote->{$name}) {
239 print STDERR "No such remote $name\n";
f4bb20cc 240 return 1;
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241 }
242 my $info = $remote->{$name};
243 update_ls_remote($ls_remote, $info);
244
245 print "* remote $name\n";
246 print " URL: $info->{'URL'}\n";
247 for my $branchname (sort keys %$branch) {
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248 next unless (defined $branch->{$branchname}{'REMOTE'} &&
249 $branch->{$branchname}{'REMOTE'} eq $name);
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250 my @merged = map {
251 s|^refs/heads/||;
252 $_;
253 } split(' ',"@{$branch->{$branchname}{'MERGE'}}");
254 next unless (@merged);
255 print " Remote branch(es) merged with 'git pull' while on branch $branchname\n";
256 print " @merged\n";
257 }
258 if ($info->{'LS_REMOTE'}) {
259 show_mapping($name, $info);
260 }
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261 if ($info->{'PUSH'}) {
262 my @pushed = map {
263 s|^refs/heads/||;
6718f1f0 264 s|^\+refs/heads/|+|;
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265 s|:refs/heads/|:|;
266 $_;
267 } @{$info->{'PUSH'}};
268 print " Local branch(es) pushed with 'git push'\n";
269 print " @pushed\n";
270 }
f4bb20cc 271 return 0;
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272}
273
274sub add_remote {
b6f5da1e 275 my ($name, $url, $opts) = @_;
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276 if (exists $remote->{$name}) {
277 print STDERR "remote $name already exists.\n";
278 exit(1);
279 }
e0d10e1c 280 $git->command('config', "remote.$name.url", $url);
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281 my $track = $opts->{'track'} || ["*"];
282
283 for (@$track) {
284 $git->command('config', '--add', "remote.$name.fetch",
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285 $opts->{'mirror'} ?
286 "+refs/$_:refs/$_" :
287 "+refs/heads/$_:refs/remotes/$name/$_");
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288 }
289 if ($opts->{'fetch'}) {
290 $git->command('fetch', $name);
291 }
292 if (exists $opts->{'master'}) {
293 $git->command('symbolic-ref', "refs/remotes/$name/HEAD",
294 "refs/remotes/$name/$opts->{'master'}");
295 }
296}
297
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298sub update_remote {
299 my ($name) = @_;
7deaec9a 300 my @remotes;
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301
302 my $conf = $git->config("remotes." . $name);
303 if (defined($conf)) {
304 @remotes = split(' ', $conf);
305 } elsif ($name eq 'default') {
7deaec9a 306 @remotes = ();
1918278e 307 for (sort keys %$remote) {
35c49eea 308 my $do_fetch = $git->config_bool("remote." . $_ .
1918278e 309 ".skipDefaultUpdate");
35c49eea 310 unless ($do_fetch) {
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TT
311 push @remotes, $_;
312 }
313 }
314 } else {
315 print STDERR "Remote group $name does not exists.\n";
316 exit(1);
317 }
318 for (@remotes) {
319 print "Updating $_\n";
320 $git->command('fetch', "$_");
321 }
322}
323
61136044 324sub rm_remote {
683b5679 325 my ($name) = @_;
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326 if (!exists $remote->{$name}) {
327 print STDERR "No such remote $name\n";
6982ccec 328 return 1;
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329 }
330
331 $git->command('config', '--remove-section', "remote.$name");
332
333 eval {
334 my @trackers = $git->command('config', '--get-regexp',
335 'branch.*.remote', $name);
336 for (@trackers) {
337 /^branch\.(.*)?\.remote/;
338 $git->config('--unset', "branch.$1.remote");
339 $git->config('--unset', "branch.$1.merge");
340 }
341 };
342
683b5679 343 my @refs = $git->command('for-each-ref',
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344 '--format=%(refname) %(objectname)', "refs/remotes/$name");
345 for (@refs) {
7deaec9a 346 my ($ref, $object) = split;
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347 $git->command(qw(update-ref -d), $ref, $object);
348 }
6982ccec 349 return 0;
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350}
351
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352sub add_usage {
353 print STDERR "Usage: git remote add [-f] [-t track]* [-m master] <name> <url>\n";
354 exit(1);
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355}
356
7deaec9a 357my $VERBOSE = 0;
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358@ARGV = grep {
359 if ($_ eq '-v' or $_ eq '--verbose') {
360 $VERBOSE=1;
361 0
362 } else {
363 1
364 }
365} @ARGV;
366
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367if (!@ARGV) {
368 for (sort keys %$remote) {
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369 print "$_";
370 print "\t$remote->{$_}->{URL}" if $VERBOSE;
371 print "\n";
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372 }
373}
374elsif ($ARGV[0] eq 'show') {
375 my $ls_remote = 1;
376 my $i;
377 for ($i = 1; $i < @ARGV; $i++) {
378 if ($ARGV[$i] eq '-n') {
379 $ls_remote = 0;
380 }
381 else {
382 last;
383 }
384 }
385 if ($i >= @ARGV) {
386 print STDERR "Usage: git remote show <remote>\n";
387 exit(1);
388 }
f4bb20cc 389 my $status = 0;
e194cd1e 390 for (; $i < @ARGV; $i++) {
f4bb20cc 391 $status |= show_remote($ARGV[$i], $ls_remote);
e194cd1e 392 }
f4bb20cc 393 exit($status);
e194cd1e 394}
1e592d65 395elsif ($ARGV[0] eq 'update') {
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396 if (@ARGV <= 1) {
397 update_remote("default");
398 exit(1);
1e592d65 399 }
7deaec9a 400 for (my $i = 1; $i < @ARGV; $i++) {
1918278e 401 update_remote($ARGV[$i]);
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402 }
403}
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404elsif ($ARGV[0] eq 'prune') {
405 my $ls_remote = 1;
406 my $i;
407 for ($i = 1; $i < @ARGV; $i++) {
408 if ($ARGV[$i] eq '-n') {
409 $ls_remote = 0;
410 }
411 else {
412 last;
413 }
414 }
415 if ($i >= @ARGV) {
416 print STDERR "Usage: git remote prune <remote>\n";
417 exit(1);
418 }
f4bb20cc 419 my $status = 0;
859607df 420 for (; $i < @ARGV; $i++) {
f4bb20cc 421 $status |= prune_remote($ARGV[$i], $ls_remote);
859607df 422 }
f4bb20cc 423 exit($status);
859607df 424}
e194cd1e 425elsif ($ARGV[0] eq 'add') {
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426 my %opts = ();
427 while (1 < @ARGV && $ARGV[1] =~ /^-/) {
428 my $opt = $ARGV[1];
429 shift @ARGV;
430 if ($opt eq '-f' || $opt eq '--fetch') {
431 $opts{'fetch'} = 1;
432 next;
433 }
434 if ($opt eq '-t' || $opt eq '--track') {
435 if (@ARGV < 1) {
436 add_usage();
437 }
438 $opts{'track'} ||= [];
439 push @{$opts{'track'}}, $ARGV[1];
440 shift @ARGV;
441 next;
442 }
443 if ($opt eq '-m' || $opt eq '--master') {
444 if ((@ARGV < 1) || exists $opts{'master'}) {
445 add_usage();
446 }
447 $opts{'master'} = $ARGV[1];
448 shift @ARGV;
449 next;
450 }
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451 if ($opt eq '--mirror') {
452 $opts{'mirror'} = 1;
453 next;
454 }
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455 add_usage();
456 }
e194cd1e 457 if (@ARGV != 3) {
b6f5da1e 458 add_usage();
e194cd1e 459 }
b6f5da1e 460 add_remote($ARGV[1], $ARGV[2], \%opts);
e194cd1e 461}
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JB
462elsif ($ARGV[0] eq 'rm') {
463 if (@ARGV <= 1) {
464 print STDERR "Usage: git remote rm <remote>\n";
683b5679 465 exit(1);
61136044 466 }
6982ccec 467 exit(rm_remote($ARGV[1]));
61136044 468}
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QT
469else {
470 print STDERR "Usage: git remote\n";
471 print STDERR " git remote add <name> <url>\n";
61136044 472 print STDERR " git remote rm <name>\n";
c03f7757 473 print STDERR " git remote show <name>\n";
859607df 474 print STDERR " git remote prune <name>\n";
1918278e 475 print STDERR " git remote update [group]\n";
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QT
476 exit(1);
477}