git-remote show: Also shorten non-fast-forward refs in the 'push' listing
[git/git.git] / git-remote.perl
CommitLineData
e194cd1e
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1#!/usr/bin/perl -w
2
3use Git;
4my $git = Git->repository();
5
6sub add_remote_config {
7 my ($hash, $name, $what, $value) = @_;
8 if ($what eq 'url') {
9 if (exists $hash->{$name}{'URL'}) {
10 print STDERR "Warning: more than one remote.$name.url\n";
11 }
12 $hash->{$name}{'URL'} = $value;
13 }
14 elsif ($what eq 'fetch') {
15 $hash->{$name}{'FETCH'} ||= [];
16 push @{$hash->{$name}{'FETCH'}}, $value;
17 }
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18 elsif ($what eq 'push') {
19 $hash->{$name}{'PUSH'} ||= [];
20 push @{$hash->{$name}{'PUSH'}}, $value;
21 }
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22 if (!exists $hash->{$name}{'SOURCE'}) {
23 $hash->{$name}{'SOURCE'} = 'config';
24 }
25}
26
27sub add_remote_remotes {
28 my ($hash, $file, $name) = @_;
29
30 if (exists $hash->{$name}) {
31 $hash->{$name}{'WARNING'} = 'ignored due to config';
32 return;
33 }
34
35 my $fh;
36 if (!open($fh, '<', $file)) {
37 print STDERR "Warning: cannot open $file\n";
38 return;
39 }
40 my $it = { 'SOURCE' => 'remotes' };
41 $hash->{$name} = $it;
42 while (<$fh>) {
43 chomp;
44 if (/^URL:\s*(.*)$/) {
45 # Having more than one is Ok -- it is used for push.
46 if (! exists $it->{'URL'}) {
47 $it->{'URL'} = $1;
48 }
49 }
50 elsif (/^Push:\s*(.*)$/) {
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51 $it->{'PUSH'} ||= [];
52 push @{$it->{'PUSH'}}, $1;
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53 }
54 elsif (/^Pull:\s*(.*)$/) {
55 $it->{'FETCH'} ||= [];
56 push @{$it->{'FETCH'}}, $1;
57 }
58 elsif (/^\#/) {
59 ; # ignore
60 }
61 else {
62 print STDERR "Warning: funny line in $file: $_\n";
63 }
64 }
65 close($fh);
66}
67
68sub list_remote {
69 my ($git) = @_;
70 my %seen = ();
71 my @remotes = eval {
e0d10e1c 72 $git->command(qw(config --get-regexp), '^remote\.');
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73 };
74 for (@remotes) {
b5a40a57 75 if (/^remote\.(\S+?)\.([^.\s]+)\s+(.*)$/) {
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76 add_remote_config(\%seen, $1, $2, $3);
77 }
78 }
79
80 my $dir = $git->repo_path() . "/remotes";
81 if (opendir(my $dh, $dir)) {
82 local $_;
83 while ($_ = readdir($dh)) {
84 chomp;
85 next if (! -f "$dir/$_" || ! -r _);
86 add_remote_remotes(\%seen, "$dir/$_", $_);
87 }
88 }
89
90 return \%seen;
91}
92
93sub add_branch_config {
94 my ($hash, $name, $what, $value) = @_;
95 if ($what eq 'remote') {
96 if (exists $hash->{$name}{'REMOTE'}) {
97 print STDERR "Warning: more than one branch.$name.remote\n";
98 }
99 $hash->{$name}{'REMOTE'} = $value;
100 }
101 elsif ($what eq 'merge') {
102 $hash->{$name}{'MERGE'} ||= [];
103 push @{$hash->{$name}{'MERGE'}}, $value;
104 }
105}
106
107sub list_branch {
108 my ($git) = @_;
109 my %seen = ();
110 my @branches = eval {
e0d10e1c 111 $git->command(qw(config --get-regexp), '^branch\.');
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112 };
113 for (@branches) {
114 if (/^branch\.([^.]*)\.(\S*)\s+(.*)$/) {
115 add_branch_config(\%seen, $1, $2, $3);
116 }
117 }
118
119 return \%seen;
120}
121
122my $remote = list_remote($git);
123my $branch = list_branch($git);
124
125sub update_ls_remote {
126 my ($harder, $info) = @_;
127
128 return if (($harder == 0) ||
129 (($harder == 1) && exists $info->{'LS_REMOTE'}));
130
131 my @ref = map {
132 s|^[0-9a-f]{40}\s+refs/heads/||;
133 $_;
134 } $git->command(qw(ls-remote --heads), $info->{'URL'});
135 $info->{'LS_REMOTE'} = \@ref;
136}
137
7a8c9ec1 138sub list_wildcard_mapping {
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139 my ($forced, $ours, $ls) = @_;
140 my %refs;
141 for (@$ls) {
142 $refs{$_} = 01; # bit #0 to say "they have"
143 }
144 for ($git->command('for-each-ref', "refs/remotes/$ours")) {
145 chomp;
146 next unless (s|^[0-9a-f]{40}\s[a-z]+\srefs/remotes/$ours/||);
147 next if ($_ eq 'HEAD');
148 $refs{$_} ||= 0;
149 $refs{$_} |= 02; # bit #1 to say "we have"
150 }
151 my (@new, @stale, @tracked);
152 for (sort keys %refs) {
153 my $have = $refs{$_};
154 if ($have == 1) {
155 push @new, $_;
156 }
157 elsif ($have == 2) {
158 push @stale, $_;
159 }
160 elsif ($have == 3) {
161 push @tracked, $_;
162 }
163 }
7a8c9ec1 164 return \@new, \@stale, \@tracked;
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165}
166
7a8c9ec1 167sub list_mapping {
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168 my ($name, $info) = @_;
169 my $fetch = $info->{'FETCH'};
170 my $ls = $info->{'LS_REMOTE'};
7a8c9ec1 171 my (@new, @stale, @tracked);
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172
173 for (@$fetch) {
174 next unless (/(\+)?([^:]+):(.*)/);
175 my ($forced, $theirs, $ours) = ($1, $2, $3);
176 if ($theirs eq 'refs/heads/*' &&
177 $ours =~ /^refs\/remotes\/(.*)\/\*$/) {
178 # wildcard mapping
7a8c9ec1
SP
179 my ($w_new, $w_stale, $w_tracked)
180 = list_wildcard_mapping($forced, $1, $ls);
181 push @new, @$w_new;
182 push @stale, @$w_stale;
183 push @tracked, @$w_tracked;
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184 }
185 elsif ($theirs =~ /\*/ || $ours =~ /\*/) {
186 print STDERR "Warning: unrecognized mapping in remotes.$name.fetch: $_\n";
187 }
188 elsif ($theirs =~ s|^refs/heads/||) {
189 if (!grep { $_ eq $theirs } @$ls) {
190 push @stale, $theirs;
191 }
192 elsif ($ours ne '') {
193 push @tracked, $theirs;
194 }
195 }
196 }
7a8c9ec1
SP
197 return \@new, \@stale, \@tracked;
198}
199
200sub show_mapping {
201 my ($name, $info) = @_;
202 my ($new, $stale, $tracked) = list_mapping($name, $info);
203 if (@$new) {
204 print " New remote branches (next fetch will store in remotes/$name)\n";
205 print " @$new\n";
206 }
207 if (@$stale) {
859607df 208 print " Stale tracking branches in remotes/$name (use 'git remote prune')\n";
7a8c9ec1 209 print " @$stale\n";
e194cd1e 210 }
7a8c9ec1 211 if (@$tracked) {
e194cd1e 212 print " Tracked remote branches\n";
7a8c9ec1 213 print " @$tracked\n";
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214 }
215}
216
859607df
SP
217sub prune_remote {
218 my ($name, $ls_remote) = @_;
219 if (!exists $remote->{$name}) {
220 print STDERR "No such remote $name\n";
221 return;
222 }
223 my $info = $remote->{$name};
224 update_ls_remote($ls_remote, $info);
225
226 my ($new, $stale, $tracked) = list_mapping($name, $info);
227 my $prefix = "refs/remotes/$name";
228 foreach my $to_prune (@$stale) {
229 my @v = $git->command(qw(rev-parse --verify), "$prefix/$to_prune");
230 $git->command(qw(update-ref -d), "$prefix/$to_prune", $v[0]);
231 }
232}
233
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234sub show_remote {
235 my ($name, $ls_remote) = @_;
236 if (!exists $remote->{$name}) {
237 print STDERR "No such remote $name\n";
238 return;
239 }
240 my $info = $remote->{$name};
241 update_ls_remote($ls_remote, $info);
242
243 print "* remote $name\n";
244 print " URL: $info->{'URL'}\n";
245 for my $branchname (sort keys %$branch) {
246 next if ($branch->{$branchname}{'REMOTE'} ne $name);
247 my @merged = map {
248 s|^refs/heads/||;
249 $_;
250 } split(' ',"@{$branch->{$branchname}{'MERGE'}}");
251 next unless (@merged);
252 print " Remote branch(es) merged with 'git pull' while on branch $branchname\n";
253 print " @merged\n";
254 }
255 if ($info->{'LS_REMOTE'}) {
256 show_mapping($name, $info);
257 }
8bf0e3d1
JS
258 if ($info->{'PUSH'}) {
259 my @pushed = map {
260 s|^refs/heads/||;
6718f1f0 261 s|^\+refs/heads/|+|;
8bf0e3d1
JS
262 s|:refs/heads/|:|;
263 $_;
264 } @{$info->{'PUSH'}};
265 print " Local branch(es) pushed with 'git push'\n";
266 print " @pushed\n";
267 }
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268}
269
270sub add_remote {
b6f5da1e 271 my ($name, $url, $opts) = @_;
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272 if (exists $remote->{$name}) {
273 print STDERR "remote $name already exists.\n";
274 exit(1);
275 }
e0d10e1c 276 $git->command('config', "remote.$name.url", $url);
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277 my $track = $opts->{'track'} || ["*"];
278
279 for (@$track) {
280 $git->command('config', '--add', "remote.$name.fetch",
281 "+refs/heads/$_:refs/remotes/$name/$_");
282 }
283 if ($opts->{'fetch'}) {
284 $git->command('fetch', $name);
285 }
286 if (exists $opts->{'master'}) {
287 $git->command('symbolic-ref', "refs/remotes/$name/HEAD",
288 "refs/remotes/$name/$opts->{'master'}");
289 }
290}
291
1918278e
TT
292sub update_remote {
293 my ($name) = @_;
294
295 my $conf = $git->config("remotes." . $name);
296 if (defined($conf)) {
297 @remotes = split(' ', $conf);
298 } elsif ($name eq 'default') {
299 undef @remotes;
300 for (sort keys %$remote) {
35c49eea 301 my $do_fetch = $git->config_bool("remote." . $_ .
1918278e 302 ".skipDefaultUpdate");
35c49eea 303 unless ($do_fetch) {
1918278e
TT
304 push @remotes, $_;
305 }
306 }
307 } else {
308 print STDERR "Remote group $name does not exists.\n";
309 exit(1);
310 }
311 for (@remotes) {
312 print "Updating $_\n";
313 $git->command('fetch', "$_");
314 }
315}
316
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317sub add_usage {
318 print STDERR "Usage: git remote add [-f] [-t track]* [-m master] <name> <url>\n";
319 exit(1);
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320}
321
322if (!@ARGV) {
323 for (sort keys %$remote) {
324 print "$_\n";
325 }
326}
327elsif ($ARGV[0] eq 'show') {
328 my $ls_remote = 1;
329 my $i;
330 for ($i = 1; $i < @ARGV; $i++) {
331 if ($ARGV[$i] eq '-n') {
332 $ls_remote = 0;
333 }
334 else {
335 last;
336 }
337 }
338 if ($i >= @ARGV) {
339 print STDERR "Usage: git remote show <remote>\n";
340 exit(1);
341 }
342 for (; $i < @ARGV; $i++) {
343 show_remote($ARGV[$i], $ls_remote);
344 }
345}
1e592d65 346elsif ($ARGV[0] eq 'update') {
1918278e
TT
347 if (@ARGV <= 1) {
348 update_remote("default");
349 exit(1);
1e592d65 350 }
1918278e
TT
351 for ($i = 1; $i < @ARGV; $i++) {
352 update_remote($ARGV[$i]);
1e592d65
TT
353 }
354}
859607df
SP
355elsif ($ARGV[0] eq 'prune') {
356 my $ls_remote = 1;
357 my $i;
358 for ($i = 1; $i < @ARGV; $i++) {
359 if ($ARGV[$i] eq '-n') {
360 $ls_remote = 0;
361 }
362 else {
363 last;
364 }
365 }
366 if ($i >= @ARGV) {
367 print STDERR "Usage: git remote prune <remote>\n";
368 exit(1);
369 }
370 for (; $i < @ARGV; $i++) {
371 prune_remote($ARGV[$i], $ls_remote);
372 }
373}
e194cd1e 374elsif ($ARGV[0] eq 'add') {
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375 my %opts = ();
376 while (1 < @ARGV && $ARGV[1] =~ /^-/) {
377 my $opt = $ARGV[1];
378 shift @ARGV;
379 if ($opt eq '-f' || $opt eq '--fetch') {
380 $opts{'fetch'} = 1;
381 next;
382 }
383 if ($opt eq '-t' || $opt eq '--track') {
384 if (@ARGV < 1) {
385 add_usage();
386 }
387 $opts{'track'} ||= [];
388 push @{$opts{'track'}}, $ARGV[1];
389 shift @ARGV;
390 next;
391 }
392 if ($opt eq '-m' || $opt eq '--master') {
393 if ((@ARGV < 1) || exists $opts{'master'}) {
394 add_usage();
395 }
396 $opts{'master'} = $ARGV[1];
397 shift @ARGV;
398 next;
399 }
400 add_usage();
401 }
e194cd1e 402 if (@ARGV != 3) {
b6f5da1e 403 add_usage();
e194cd1e 404 }
b6f5da1e 405 add_remote($ARGV[1], $ARGV[2], \%opts);
e194cd1e 406}
c03f7757
QT
407else {
408 print STDERR "Usage: git remote\n";
409 print STDERR " git remote add <name> <url>\n";
410 print STDERR " git remote show <name>\n";
859607df 411 print STDERR " git remote prune <name>\n";
1918278e 412 print STDERR " git remote update [group]\n";
c03f7757
QT
413 exit(1);
414}