Merge branch 'cb/test-lint-cp-a'
[git.git] / git-svn.perl
blob050f2a36f414f147f3bde3cc9f69639d5a36a975
1 #!/usr/bin/perl
2 # Copyright (C) 2006, Eric Wong <normalperson@yhbt.net>
3 # License: GPL v2 or later
4 use 5.008;
5 use warnings;
6 use strict;
7 use vars qw/ $AUTHOR $VERSION
8 $sha1 $sha1_short $_revision $_repository
9 $_q $_authors $_authors_prog %users/;
10 $AUTHOR = 'Eric Wong <normalperson@yhbt.net>';
11 $VERSION = '@@GIT_VERSION@@';
13 use Carp qw/croak/;
14 use File::Basename qw/dirname basename/;
15 use File::Path qw/mkpath/;
16 use File::Spec;
17 use Getopt::Long qw/:config gnu_getopt no_ignore_case auto_abbrev/;
18 use Memoize;
20 use Git::SVN;
21 use Git::SVN::Editor;
22 use Git::SVN::Fetcher;
23 use Git::SVN::Ra;
24 use Git::SVN::Prompt;
25 use Git::SVN::Log;
26 use Git::SVN::Migration;
28 use Git::SVN::Utils qw(
29 fatal
30 can_compress
31 canonicalize_path
32 canonicalize_url
33 join_paths
34 add_path_to_url
35 join_paths
38 use Git qw(
39 git_cmd_try
40 command
41 command_oneline
42 command_noisy
43 command_output_pipe
44 command_close_pipe
45 command_bidi_pipe
46 command_close_bidi_pipe
47 get_record
50 BEGIN {
51 Memoize::memoize 'Git::config';
52 Memoize::memoize 'Git::config_bool';
56 # From which subdir have we been invoked?
57 my $cmd_dir_prefix = eval {
58 command_oneline([qw/rev-parse --show-prefix/], STDERR => 0)
59 } || '';
61 $Git::SVN::Ra::_log_window_size = 100;
63 if (! exists $ENV{SVN_SSH} && exists $ENV{GIT_SSH}) {
64 $ENV{SVN_SSH} = $ENV{GIT_SSH};
67 if (exists $ENV{SVN_SSH} && $^O eq 'msys') {
68 $ENV{SVN_SSH} =~ s/\\/\\\\/g;
69 $ENV{SVN_SSH} =~ s/(.*)/"$1"/;
72 $Git::SVN::Log::TZ = $ENV{TZ};
73 $ENV{TZ} = 'UTC';
74 $| = 1; # unbuffer STDOUT
76 # All SVN commands do it. Otherwise we may die on SIGPIPE when the remote
77 # repository decides to close the connection which we expect to be kept alive.
78 $SIG{PIPE} = 'IGNORE';
80 # Given a dot separated version number, "subtract" it from
81 # the SVN::Core::VERSION; non-negaitive return means the SVN::Core
82 # is at least at the version the caller asked for.
83 sub compare_svn_version {
84 my (@ours) = split(/\./, $SVN::Core::VERSION);
85 my (@theirs) = split(/\./, $_[0]);
86 my ($i, $diff);
88 for ($i = 0; $i < @ours && $i < @theirs; $i++) {
89 $diff = $ours[$i] - $theirs[$i];
90 return $diff if ($diff);
92 return 1 if ($i < @ours);
93 return -1 if ($i < @theirs);
94 return 0;
97 sub _req_svn {
98 require SVN::Core; # use()-ing this causes segfaults for me... *shrug*
99 require SVN::Ra;
100 require SVN::Delta;
101 if (::compare_svn_version('1.1.0') < 0) {
102 fatal "Need SVN::Core 1.1.0 or better (got $SVN::Core::VERSION)";
106 $sha1 = qr/[a-f\d]{40}/;
107 $sha1_short = qr/[a-f\d]{4,40}/;
108 my ($_stdin, $_help, $_edit,
109 $_message, $_file, $_branch_dest,
110 $_template, $_shared,
111 $_version, $_fetch_all, $_no_rebase, $_fetch_parent,
112 $_before, $_after,
113 $_merge, $_strategy, $_preserve_merges, $_dry_run, $_parents, $_local,
114 $_prefix, $_no_checkout, $_url, $_verbose,
115 $_commit_url, $_tag, $_merge_info, $_interactive, $_set_svn_props);
117 # This is a refactoring artifact so Git::SVN can get at this git-svn switch.
118 sub opt_prefix { return $_prefix || '' }
120 $Git::SVN::Fetcher::_placeholder_filename = ".gitignore";
121 $_q ||= 0;
122 my %remote_opts = ( 'username=s' => \$Git::SVN::Prompt::_username,
123 'config-dir=s' => \$Git::SVN::Ra::config_dir,
124 'no-auth-cache' => \$Git::SVN::Prompt::_no_auth_cache,
125 'ignore-paths=s' => \$Git::SVN::Fetcher::_ignore_regex,
126 'include-paths=s' => \$Git::SVN::Fetcher::_include_regex,
127 'ignore-refs=s' => \$Git::SVN::Ra::_ignore_refs_regex );
128 my %fc_opts = ( 'follow-parent|follow!' => \$Git::SVN::_follow_parent,
129 'authors-file|A=s' => \$_authors,
130 'authors-prog=s' => \$_authors_prog,
131 'repack:i' => \$Git::SVN::_repack,
132 'noMetadata' => \$Git::SVN::_no_metadata,
133 'useSvmProps' => \$Git::SVN::_use_svm_props,
134 'useSvnsyncProps' => \$Git::SVN::_use_svnsync_props,
135 'log-window-size=i' => \$Git::SVN::Ra::_log_window_size,
136 'no-checkout' => \$_no_checkout,
137 'quiet|q+' => \$_q,
138 'repack-flags|repack-args|repack-opts=s' =>
139 \$Git::SVN::_repack_flags,
140 'use-log-author' => \$Git::SVN::_use_log_author,
141 'add-author-from' => \$Git::SVN::_add_author_from,
142 'localtime' => \$Git::SVN::_localtime,
143 %remote_opts );
145 my ($_trunk, @_tags, @_branches, $_stdlayout);
146 my %icv;
147 my %init_opts = ( 'template=s' => \$_template, 'shared:s' => \$_shared,
148 'trunk|T=s' => \$_trunk, 'tags|t=s@' => \@_tags,
149 'branches|b=s@' => \@_branches, 'prefix=s' => \$_prefix,
150 'stdlayout|s' => \$_stdlayout,
151 'minimize-url|m!' => \$Git::SVN::_minimize_url,
152 'no-metadata' => sub { $icv{noMetadata} = 1 },
153 'use-svm-props' => sub { $icv{useSvmProps} = 1 },
154 'use-svnsync-props' => sub { $icv{useSvnsyncProps} = 1 },
155 'rewrite-root=s' => sub { $icv{rewriteRoot} = $_[1] },
156 'rewrite-uuid=s' => sub { $icv{rewriteUUID} = $_[1] },
157 %remote_opts );
158 my %cmt_opts = ( 'edit|e' => \$_edit,
159 'rmdir' => \$Git::SVN::Editor::_rmdir,
160 'find-copies-harder' => \$Git::SVN::Editor::_find_copies_harder,
161 'l=i' => \$Git::SVN::Editor::_rename_limit,
162 'copy-similarity|C=i'=> \$Git::SVN::Editor::_cp_similarity
165 my %cmd = (
166 fetch => [ \&cmd_fetch, "Download new revisions from SVN",
167 { 'revision|r=s' => \$_revision,
168 'fetch-all|all' => \$_fetch_all,
169 'parent|p' => \$_fetch_parent,
170 %fc_opts } ],
171 clone => [ \&cmd_clone, "Initialize and fetch revisions",
172 { 'revision|r=s' => \$_revision,
173 'preserve-empty-dirs' =>
174 \$Git::SVN::Fetcher::_preserve_empty_dirs,
175 'placeholder-filename=s' =>
176 \$Git::SVN::Fetcher::_placeholder_filename,
177 %fc_opts, %init_opts } ],
178 init => [ \&cmd_init, "Initialize a repo for tracking" .
179 " (requires URL argument)",
180 \%init_opts ],
181 'multi-init' => [ \&cmd_multi_init,
182 "Deprecated alias for ".
183 "'$0 init -T<trunk> -b<branches> -t<tags>'",
184 \%init_opts ],
185 dcommit => [ \&cmd_dcommit,
186 'Commit several diffs to merge with upstream',
187 { 'merge|m|M' => \$_merge,
188 'strategy|s=s' => \$_strategy,
189 'verbose|v' => \$_verbose,
190 'dry-run|n' => \$_dry_run,
191 'fetch-all|all' => \$_fetch_all,
192 'commit-url=s' => \$_commit_url,
193 'set-svn-props=s' => \$_set_svn_props,
194 'revision|r=i' => \$_revision,
195 'no-rebase' => \$_no_rebase,
196 'mergeinfo=s' => \$_merge_info,
197 'interactive|i' => \$_interactive,
198 %cmt_opts, %fc_opts } ],
199 branch => [ \&cmd_branch,
200 'Create a branch in the SVN repository',
201 { 'message|m=s' => \$_message,
202 'destination|d=s' => \$_branch_dest,
203 'dry-run|n' => \$_dry_run,
204 'parents' => \$_parents,
205 'tag|t' => \$_tag,
206 'username=s' => \$Git::SVN::Prompt::_username,
207 'commit-url=s' => \$_commit_url } ],
208 tag => [ sub { $_tag = 1; cmd_branch(@_) },
209 'Create a tag in the SVN repository',
210 { 'message|m=s' => \$_message,
211 'destination|d=s' => \$_branch_dest,
212 'dry-run|n' => \$_dry_run,
213 'parents' => \$_parents,
214 'username=s' => \$Git::SVN::Prompt::_username,
215 'commit-url=s' => \$_commit_url } ],
216 'set-tree' => [ \&cmd_set_tree,
217 "Set an SVN repository to a git tree-ish",
218 { 'stdin' => \$_stdin, %cmt_opts, %fc_opts, } ],
219 'create-ignore' => [ \&cmd_create_ignore,
220 'Create a .gitignore per svn:ignore',
221 { 'revision|r=i' => \$_revision
222 } ],
223 'mkdirs' => [ \&cmd_mkdirs ,
224 "recreate empty directories after a checkout",
225 { 'revision|r=i' => \$_revision } ],
226 'propget' => [ \&cmd_propget,
227 'Print the value of a property on a file or directory',
228 { 'revision|r=i' => \$_revision } ],
229 'propset' => [ \&cmd_propset,
230 'Set the value of a property on a file or directory - will be set on commit',
231 {} ],
232 'proplist' => [ \&cmd_proplist,
233 'List all properties of a file or directory',
234 { 'revision|r=i' => \$_revision } ],
235 'show-ignore' => [ \&cmd_show_ignore, "Show svn:ignore listings",
236 { 'revision|r=i' => \$_revision
237 } ],
238 'show-externals' => [ \&cmd_show_externals, "Show svn:externals listings",
239 { 'revision|r=i' => \$_revision
240 } ],
241 'multi-fetch' => [ \&cmd_multi_fetch,
242 "Deprecated alias for $0 fetch --all",
243 { 'revision|r=s' => \$_revision, %fc_opts } ],
244 'migrate' => [ sub { },
245 # no-op, we automatically run this anyways,
246 'Migrate configuration/metadata/layout from
247 previous versions of git-svn',
248 { 'minimize' => \$Git::SVN::Migration::_minimize,
249 %remote_opts } ],
250 'log' => [ \&Git::SVN::Log::cmd_show_log, 'Show commit logs',
251 { 'limit=i' => \$Git::SVN::Log::limit,
252 'revision|r=s' => \$_revision,
253 'verbose|v' => \$Git::SVN::Log::verbose,
254 'incremental' => \$Git::SVN::Log::incremental,
255 'oneline' => \$Git::SVN::Log::oneline,
256 'show-commit' => \$Git::SVN::Log::show_commit,
257 'non-recursive' => \$Git::SVN::Log::non_recursive,
258 'authors-file|A=s' => \$_authors,
259 'color' => \$Git::SVN::Log::color,
260 'pager=s' => \$Git::SVN::Log::pager
261 } ],
262 'find-rev' => [ \&cmd_find_rev,
263 "Translate between SVN revision numbers and tree-ish",
264 { 'B|before' => \$_before,
265 'A|after' => \$_after } ],
266 'rebase' => [ \&cmd_rebase, "Fetch and rebase your working directory",
267 { 'merge|m|M' => \$_merge,
268 'verbose|v' => \$_verbose,
269 'strategy|s=s' => \$_strategy,
270 'local|l' => \$_local,
271 'fetch-all|all' => \$_fetch_all,
272 'dry-run|n' => \$_dry_run,
273 'preserve-merges|p' => \$_preserve_merges,
274 %fc_opts } ],
275 'commit-diff' => [ \&cmd_commit_diff,
276 'Commit a diff between two trees',
277 { 'message|m=s' => \$_message,
278 'file|F=s' => \$_file,
279 'revision|r=s' => \$_revision,
280 %cmt_opts } ],
281 'info' => [ \&cmd_info,
282 "Show info about the latest SVN revision
283 on the current branch",
284 { 'url' => \$_url, } ],
285 'blame' => [ \&Git::SVN::Log::cmd_blame,
286 "Show what revision and author last modified each line of a file",
287 { 'git-format' => \$Git::SVN::Log::_git_format } ],
288 'reset' => [ \&cmd_reset,
289 "Undo fetches back to the specified SVN revision",
290 { 'revision|r=s' => \$_revision,
291 'parent|p' => \$_fetch_parent } ],
292 'gc' => [ \&cmd_gc,
293 "Compress unhandled.log files in .git/svn and remove " .
294 "index files in .git/svn",
295 {} ],
298 package FakeTerm;
299 sub new {
300 my ($class, $reason) = @_;
301 return bless \$reason, shift;
303 sub readline {
304 my $self = shift;
305 die "Cannot use readline on FakeTerm: $$self";
307 package main;
309 my $term;
310 sub term_init {
311 $term = eval {
312 require Term::ReadLine;
313 $ENV{"GIT_SVN_NOTTY"}
314 ? new Term::ReadLine 'git-svn', \*STDIN, \*STDOUT
315 : new Term::ReadLine 'git-svn';
317 if ($@) {
318 $term = new FakeTerm "$@: going non-interactive";
322 my $cmd;
323 for (my $i = 0; $i < @ARGV; $i++) {
324 if (defined $cmd{$ARGV[$i]}) {
325 $cmd = $ARGV[$i];
326 splice @ARGV, $i, 1;
327 last;
328 } elsif ($ARGV[$i] eq 'help') {
329 $cmd = $ARGV[$i+1];
330 usage(0);
334 # make sure we're always running at the top-level working directory
335 if ($cmd && $cmd =~ /(?:clone|init|multi-init)$/) {
336 $ENV{GIT_DIR} ||= ".git";
337 # catch the submodule case
338 if (-f $ENV{GIT_DIR}) {
339 open(my $fh, '<', $ENV{GIT_DIR}) or
340 die "failed to open $ENV{GIT_DIR}: $!\n";
341 $ENV{GIT_DIR} = $1 if <$fh> =~ /^gitdir: (.+)$/;
343 } elsif ($cmd) {
344 my ($git_dir, $cdup);
345 git_cmd_try {
346 $git_dir = command_oneline([qw/rev-parse --git-dir/]);
347 } "Unable to find .git directory\n";
348 git_cmd_try {
349 $cdup = command_oneline(qw/rev-parse --show-cdup/);
350 chomp $cdup if ($cdup);
351 $cdup = "." unless ($cdup && length $cdup);
352 } "Already at toplevel, but $git_dir not found\n";
353 $ENV{GIT_DIR} = $git_dir;
354 chdir $cdup or die "Unable to chdir up to '$cdup'\n";
355 $_repository = Git->repository(Repository => $ENV{GIT_DIR});
358 my %opts = %{$cmd{$cmd}->[2]} if (defined $cmd);
360 read_git_config(\%opts) if $ENV{GIT_DIR};
361 if ($cmd && ($cmd eq 'log' || $cmd eq 'blame')) {
362 Getopt::Long::Configure('pass_through');
364 my $rv = GetOptions(%opts, 'h|H' => \$_help, 'version|V' => \$_version,
365 'minimize-connections' => \$Git::SVN::Migration::_minimize,
366 'id|i=s' => \$Git::SVN::default_ref_id,
367 'svn-remote|remote|R=s' => sub {
368 $Git::SVN::no_reuse_existing = 1;
369 $Git::SVN::default_repo_id = $_[1] });
370 exit 1 if (!$rv && $cmd && $cmd ne 'log');
372 usage(0) if $_help;
373 version() if $_version;
374 usage(1) unless defined $cmd;
375 load_authors() if $_authors;
376 if (defined $_authors_prog) {
377 my $abs_file = File::Spec->rel2abs($_authors_prog);
378 $_authors_prog = "'" . $abs_file . "'" if -x $abs_file;
381 unless ($cmd =~ /^(?:clone|init|multi-init|commit-diff)$/) {
382 Git::SVN::Migration::migration_check();
384 Git::SVN::init_vars();
385 eval {
386 Git::SVN::verify_remotes_sanity();
387 $cmd{$cmd}->[0]->(@ARGV);
388 post_fetch_checkout();
390 fatal $@ if $@;
391 exit 0;
393 ####################### primary functions ######################
394 sub usage {
395 my $exit = shift || 0;
396 my $fd = $exit ? \*STDERR : \*STDOUT;
397 print $fd <<"";
398 git-svn - bidirectional operations between a single Subversion tree and git
399 usage: git svn <command> [options] [arguments]\n
401 print $fd "Available commands:\n" unless $cmd;
403 foreach (sort keys %cmd) {
404 next if $cmd && $cmd ne $_;
405 next if /^multi-/; # don't show deprecated commands
406 print $fd ' ',pack('A17',$_),$cmd{$_}->[1],"\n";
407 foreach (sort keys %{$cmd{$_}->[2]}) {
408 # mixed-case options are for .git/config only
409 next if /[A-Z]/ && /^[a-z]+$/i;
410 # prints out arguments as they should be passed:
411 my $x = s#[:=]s$## ? '<arg>' : s#[:=]i$## ? '<num>' : '';
412 print $fd ' ' x 21, join(', ', map { length $_ > 1 ?
413 "--$_" : "-$_" }
414 split /\|/,$_)," $x\n";
417 print $fd <<"";
418 \nGIT_SVN_ID may be set in the environment or via the --id/-i switch to an
419 arbitrary identifier if you're tracking multiple SVN branches/repositories in
420 one git repository and want to keep them separate. See git-svn(1) for more
421 information.
423 exit $exit;
426 sub version {
427 ::_req_svn();
428 print "git-svn version $VERSION (svn $SVN::Core::VERSION)\n";
429 exit 0;
432 sub ask {
433 my ($prompt, %arg) = @_;
434 my $valid_re = $arg{valid_re};
435 my $default = $arg{default};
436 my $resp;
437 my $i = 0;
438 term_init() unless $term;
440 if ( !( defined($term->IN)
441 && defined( fileno($term->IN) )
442 && defined( $term->OUT )
443 && defined( fileno($term->OUT) ) ) ){
444 return defined($default) ? $default : undef;
447 while ($i++ < 10) {
448 $resp = $term->readline($prompt);
449 if (!defined $resp) { # EOF
450 print "\n";
451 return defined $default ? $default : undef;
453 if ($resp eq '' and defined $default) {
454 return $default;
456 if (!defined $valid_re or $resp =~ /$valid_re/) {
457 return $resp;
460 return undef;
463 sub do_git_init_db {
464 unless (-d $ENV{GIT_DIR}) {
465 my @init_db = ('init');
466 push @init_db, "--template=$_template" if defined $_template;
467 if (defined $_shared) {
468 if ($_shared =~ /[a-z]/) {
469 push @init_db, "--shared=$_shared";
470 } else {
471 push @init_db, "--shared";
474 command_noisy(@init_db);
475 $_repository = Git->repository(Repository => ".git");
477 my $set;
478 my $pfx = "svn-remote.$Git::SVN::default_repo_id";
479 foreach my $i (keys %icv) {
480 die "'$set' and '$i' cannot both be set\n" if $set;
481 next unless defined $icv{$i};
482 command_noisy('config', "$pfx.$i", $icv{$i});
483 $set = $i;
485 my $ignore_paths_regex = \$Git::SVN::Fetcher::_ignore_regex;
486 command_noisy('config', "$pfx.ignore-paths", $$ignore_paths_regex)
487 if defined $$ignore_paths_regex;
488 my $include_paths_regex = \$Git::SVN::Fetcher::_include_regex;
489 command_noisy('config', "$pfx.include-paths", $$include_paths_regex)
490 if defined $$include_paths_regex;
491 my $ignore_refs_regex = \$Git::SVN::Ra::_ignore_refs_regex;
492 command_noisy('config', "$pfx.ignore-refs", $$ignore_refs_regex)
493 if defined $$ignore_refs_regex;
495 if (defined $Git::SVN::Fetcher::_preserve_empty_dirs) {
496 my $fname = \$Git::SVN::Fetcher::_placeholder_filename;
497 command_noisy('config', "$pfx.preserve-empty-dirs", 'true');
498 command_noisy('config', "$pfx.placeholder-filename", $$fname);
502 sub init_subdir {
503 my $repo_path = shift or return;
504 mkpath([$repo_path]) unless -d $repo_path;
505 chdir $repo_path or die "Couldn't chdir to $repo_path: $!\n";
506 $ENV{GIT_DIR} = '.git';
507 $_repository = Git->repository(Repository => $ENV{GIT_DIR});
510 sub cmd_clone {
511 my ($url, $path) = @_;
512 if (!$url) {
513 die "SVN repository location required ",
514 "as a command-line argument\n";
515 } elsif (!defined $path &&
516 (defined $_trunk || @_branches || @_tags ||
517 defined $_stdlayout) &&
518 $url !~ m#^[a-z\+]+://#) {
519 $path = $url;
521 $path = basename($url) if !defined $path || !length $path;
522 my $authors_absolute = $_authors ? File::Spec->rel2abs($_authors) : "";
523 cmd_init($url, $path);
524 command_oneline('config', 'svn.authorsfile', $authors_absolute)
525 if $_authors;
526 Git::SVN::fetch_all($Git::SVN::default_repo_id);
529 sub cmd_init {
530 if (defined $_stdlayout) {
531 $_trunk = 'trunk' if (!defined $_trunk);
532 @_tags = 'tags' if (! @_tags);
533 @_branches = 'branches' if (! @_branches);
535 if (defined $_trunk || @_branches || @_tags) {
536 return cmd_multi_init(@_);
538 my $url = shift or die "SVN repository location required ",
539 "as a command-line argument\n";
540 $url = canonicalize_url($url);
541 init_subdir(@_);
542 do_git_init_db();
544 if ($Git::SVN::_minimize_url eq 'unset') {
545 $Git::SVN::_minimize_url = 0;
548 Git::SVN->init($url);
551 sub cmd_fetch {
552 if (grep /^\d+=./, @_) {
553 die "'<rev>=<commit>' fetch arguments are ",
554 "no longer supported.\n";
556 my ($remote) = @_;
557 if (@_ > 1) {
558 die "usage: $0 fetch [--all] [--parent] [svn-remote]\n";
560 $Git::SVN::no_reuse_existing = undef;
561 if ($_fetch_parent) {
562 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
563 unless ($gs) {
564 die "Unable to determine upstream SVN information from ",
565 "working tree history\n";
567 # just fetch, don't checkout.
568 $_no_checkout = 'true';
569 $_fetch_all ? $gs->fetch_all : $gs->fetch;
570 } elsif ($_fetch_all) {
571 cmd_multi_fetch();
572 } else {
573 $remote ||= $Git::SVN::default_repo_id;
574 Git::SVN::fetch_all($remote, Git::SVN::read_all_remotes());
578 sub cmd_set_tree {
579 my (@commits) = @_;
580 if ($_stdin || !@commits) {
581 print "Reading from stdin...\n";
582 @commits = ();
583 while (<STDIN>) {
584 if (/\b($sha1_short)\b/o) {
585 unshift @commits, $1;
589 my @revs;
590 foreach my $c (@commits) {
591 my @tmp = command('rev-parse',$c);
592 if (scalar @tmp == 1) {
593 push @revs, $tmp[0];
594 } elsif (scalar @tmp > 1) {
595 push @revs, reverse(command('rev-list',@tmp));
596 } else {
597 fatal "Failed to rev-parse $c";
600 my $gs = Git::SVN->new;
601 my ($r_last, $cmt_last) = $gs->last_rev_commit;
602 $gs->fetch;
603 if (defined $gs->{last_rev} && $r_last != $gs->{last_rev}) {
604 fatal "There are new revisions that were fetched ",
605 "and need to be merged (or acknowledged) ",
606 "before committing.\nlast rev: $r_last\n",
607 " current: $gs->{last_rev}";
609 $gs->set_tree($_) foreach @revs;
610 print "Done committing ",scalar @revs," revisions to SVN\n";
611 unlink $gs->{index};
614 sub split_merge_info_range {
615 my ($range) = @_;
616 if ($range =~ /(\d+)-(\d+)/) {
617 return (int($1), int($2));
618 } else {
619 return (int($range), int($range));
623 sub combine_ranges {
624 my ($in) = @_;
626 my @fnums = ();
627 my @arr = split(/,/, $in);
628 for my $element (@arr) {
629 my ($start, $end) = split_merge_info_range($element);
630 push @fnums, $start;
633 my @sorted = @arr [ sort {
634 $fnums[$a] <=> $fnums[$b]
635 } 0..$#arr ];
637 my @return = ();
638 my $last = -1;
639 my $first = -1;
640 for my $element (@sorted) {
641 my ($start, $end) = split_merge_info_range($element);
643 if ($last == -1) {
644 $first = $start;
645 $last = $end;
646 next;
648 if ($start <= $last+1) {
649 if ($end > $last) {
650 $last = $end;
652 next;
654 if ($first == $last) {
655 push @return, "$first";
656 } else {
657 push @return, "$first-$last";
659 $first = $start;
660 $last = $end;
663 if ($first != -1) {
664 if ($first == $last) {
665 push @return, "$first";
666 } else {
667 push @return, "$first-$last";
671 return join(',', @return);
674 sub merge_revs_into_hash {
675 my ($hash, $minfo) = @_;
676 my @lines = split(' ', $minfo);
678 for my $line (@lines) {
679 my ($branchpath, $revs) = split(/:/, $line);
681 if (exists($hash->{$branchpath})) {
682 # Merge the two revision sets
683 my $combined = "$hash->{$branchpath},$revs";
684 $hash->{$branchpath} = combine_ranges($combined);
685 } else {
686 # Just do range combining for consolidation
687 $hash->{$branchpath} = combine_ranges($revs);
692 sub merge_merge_info {
693 my ($mergeinfo_one, $mergeinfo_two, $ignore_branch) = @_;
694 my %result_hash = ();
696 merge_revs_into_hash(\%result_hash, $mergeinfo_one);
697 merge_revs_into_hash(\%result_hash, $mergeinfo_two);
699 delete $result_hash{$ignore_branch} if $ignore_branch;
701 my $result = '';
702 # Sort below is for consistency's sake
703 for my $branchname (sort keys(%result_hash)) {
704 my $revlist = $result_hash{$branchname};
705 $result .= "$branchname:$revlist\n"
707 return $result;
710 sub populate_merge_info {
711 my ($d, $gs, $uuid, $linear_refs, $rewritten_parent) = @_;
713 my %parentshash;
714 read_commit_parents(\%parentshash, $d);
715 my @parents = @{$parentshash{$d}};
716 if ($#parents > 0) {
717 # Merge commit
718 my $all_parents_ok = 1;
719 my $aggregate_mergeinfo = '';
720 my $rooturl = $gs->repos_root;
721 my ($target_branch) = $gs->full_pushurl =~ /^\Q$rooturl\E(.*)/;
723 if (defined($rewritten_parent)) {
724 # Replace first parent with newly-rewritten version
725 shift @parents;
726 unshift @parents, $rewritten_parent;
729 foreach my $parent (@parents) {
730 my ($branchurl, $svnrev, $paruuid) =
731 cmt_metadata($parent);
733 unless (defined($svnrev)) {
734 # Should have been caught be preflight check
735 fatal "merge commit $d has ancestor $parent, but that change "
736 ."does not have git-svn metadata!";
738 unless ($branchurl =~ /^\Q$rooturl\E(.*)/) {
739 fatal "commit $parent git-svn metadata changed mid-run!";
741 my $branchpath = $1;
743 my $ra = Git::SVN::Ra->new($branchurl);
744 my (undef, undef, $props) =
745 $ra->get_dir(canonicalize_path("."), $svnrev);
746 my $par_mergeinfo = $props->{'svn:mergeinfo'};
747 unless (defined $par_mergeinfo) {
748 $par_mergeinfo = '';
750 # Merge previous mergeinfo values
751 $aggregate_mergeinfo =
752 merge_merge_info($aggregate_mergeinfo,
753 $par_mergeinfo,
754 $target_branch);
756 next if $parent eq $parents[0]; # Skip first parent
757 # Add new changes being placed in tree by merge
758 my @cmd = (qw/rev-list --reverse/,
759 $parent, qw/--not/);
760 foreach my $par (@parents) {
761 unless ($par eq $parent) {
762 push @cmd, $par;
765 my @revsin = ();
766 my ($revlist, $ctx) = command_output_pipe(@cmd);
767 while (<$revlist>) {
768 my $irev = $_;
769 chomp $irev;
770 my (undef, $csvnrev, undef) =
771 cmt_metadata($irev);
772 unless (defined $csvnrev) {
773 # A child is missing SVN annotations...
774 # this might be OK, or might not be.
775 warn "W:child $irev is merged into revision "
776 ."$d but does not have git-svn metadata. "
777 ."This means git-svn cannot determine the "
778 ."svn revision numbers to place into the "
779 ."svn:mergeinfo property. You must ensure "
780 ."a branch is entirely committed to "
781 ."SVN before merging it in order for "
782 ."svn:mergeinfo population to function "
783 ."properly";
785 push @revsin, $csvnrev;
787 command_close_pipe($revlist, $ctx);
789 last unless $all_parents_ok;
791 # We now have a list of all SVN revnos which are
792 # merged by this particular parent. Integrate them.
793 next if $#revsin == -1;
794 my $newmergeinfo = "$branchpath:" . join(',', @revsin);
795 $aggregate_mergeinfo =
796 merge_merge_info($aggregate_mergeinfo,
797 $newmergeinfo,
798 $target_branch);
800 if ($all_parents_ok and $aggregate_mergeinfo) {
801 return $aggregate_mergeinfo;
805 return undef;
808 sub dcommit_rebase {
809 my ($is_last, $current, $fetched_ref, $svn_error) = @_;
810 my @diff;
812 if ($svn_error) {
813 print STDERR "\nERROR from SVN:\n",
814 $svn_error->expanded_message, "\n";
816 unless ($_no_rebase) {
817 # we always want to rebase against the current HEAD,
818 # not any head that was passed to us
819 @diff = command('diff-tree', $current,
820 $fetched_ref, '--');
821 my @finish;
822 if (@diff) {
823 @finish = rebase_cmd();
824 print STDERR "W: $current and ", $fetched_ref,
825 " differ, using @finish:\n",
826 join("\n", @diff), "\n";
827 } elsif ($is_last) {
828 print "No changes between ", $current, " and ",
829 $fetched_ref,
830 "\nResetting to the latest ",
831 $fetched_ref, "\n";
832 @finish = qw/reset --mixed/;
834 command_noisy(@finish, $fetched_ref) if @finish;
836 if ($svn_error) {
837 die "ERROR: Not all changes have been committed into SVN"
838 .($_no_rebase ? ".\n" : ", however the committed\n"
839 ."ones (if any) seem to be successfully integrated "
840 ."into the working tree.\n")
841 ."Please see the above messages for details.\n";
843 return @diff;
846 sub cmd_dcommit {
847 my $head = shift;
848 command_noisy(qw/update-index --refresh/);
849 git_cmd_try { command_oneline(qw/diff-index --quiet HEAD --/) }
850 'Cannot dcommit with a dirty index. Commit your changes first, '
851 . "or stash them with `git stash'.\n";
852 $head ||= 'HEAD';
854 my $old_head;
855 if ($head ne 'HEAD') {
856 $old_head = eval {
857 command_oneline([qw/symbolic-ref -q HEAD/])
859 if ($old_head) {
860 $old_head =~ s{^refs/heads/}{};
861 } else {
862 $old_head = eval { command_oneline(qw/rev-parse HEAD/) };
864 command(['checkout', $head], STDERR => 0);
867 my @refs;
868 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD', \@refs);
869 unless ($gs) {
870 die "Unable to determine upstream SVN information from ",
871 "$head history.\nPerhaps the repository is empty.";
874 if (defined $_commit_url) {
875 $url = $_commit_url;
876 } else {
877 $url = eval { command_oneline('config', '--get',
878 "svn-remote.$gs->{repo_id}.commiturl") };
879 if (!$url) {
880 $url = $gs->full_pushurl
884 my $last_rev = $_revision if defined $_revision;
885 if ($url) {
886 print "Committing to $url ...\n";
888 my ($linear_refs, $parents) = linearize_history($gs, \@refs);
889 if ($_no_rebase && scalar(@$linear_refs) > 1) {
890 warn "Attempting to commit more than one change while ",
891 "--no-rebase is enabled.\n",
892 "If these changes depend on each other, re-running ",
893 "without --no-rebase may be required."
896 if (defined $_interactive){
897 my $ask_default = "y";
898 foreach my $d (@$linear_refs){
899 my ($fh, $ctx) = command_output_pipe(qw(show --summary), "$d");
900 while (<$fh>){
901 print $_;
903 command_close_pipe($fh, $ctx);
904 $_ = ask("Commit this patch to SVN? ([y]es (default)|[n]o|[q]uit|[a]ll): ",
905 valid_re => qr/^(?:yes|y|no|n|quit|q|all|a)/i,
906 default => $ask_default);
907 die "Commit this patch reply required" unless defined $_;
908 if (/^[nq]/i) {
909 exit(0);
910 } elsif (/^a/i) {
911 last;
916 my $expect_url = $url;
918 my $push_merge_info = eval {
919 command_oneline(qw/config --get svn.pushmergeinfo/)
921 if (not defined($push_merge_info)
922 or $push_merge_info eq "false"
923 or $push_merge_info eq "no"
924 or $push_merge_info eq "never") {
925 $push_merge_info = 0;
928 unless (defined($_merge_info) || ! $push_merge_info) {
929 # Preflight check of changes to ensure no issues with mergeinfo
930 # This includes check for uncommitted-to-SVN parents
931 # (other than the first parent, which we will handle),
932 # information from different SVN repos, and paths
933 # which are not underneath this repository root.
934 my $rooturl = $gs->repos_root;
935 Git::SVN::remove_username($rooturl);
936 foreach my $d (@$linear_refs) {
937 my %parentshash;
938 read_commit_parents(\%parentshash, $d);
939 my @realparents = @{$parentshash{$d}};
940 if ($#realparents > 0) {
941 # Merge commit
942 shift @realparents; # Remove/ignore first parent
943 foreach my $parent (@realparents) {
944 my ($branchurl, $svnrev, $paruuid) = cmt_metadata($parent);
945 unless (defined $paruuid) {
946 # A parent is missing SVN annotations...
947 # abort the whole operation.
948 fatal "$parent is merged into revision $d, "
949 ."but does not have git-svn metadata. "
950 ."Either dcommit the branch or use a "
951 ."local cherry-pick, FF merge, or rebase "
952 ."instead of an explicit merge commit.";
955 unless ($paruuid eq $uuid) {
956 # Parent has SVN metadata from different repository
957 fatal "merge parent $parent for change $d has "
958 ."git-svn uuid $paruuid, while current change "
959 ."has uuid $uuid!";
962 unless ($branchurl =~ /^\Q$rooturl\E(.*)/) {
963 # This branch is very strange indeed.
964 fatal "merge parent $parent for $d is on branch "
965 ."$branchurl, which is not under the "
966 ."git-svn root $rooturl!";
973 my $rewritten_parent;
974 my $current_head = command_oneline(qw/rev-parse HEAD/);
975 Git::SVN::remove_username($expect_url);
976 if (defined($_merge_info)) {
977 $_merge_info =~ tr{ }{\n};
979 while (1) {
980 my $d = shift @$linear_refs or last;
981 unless (defined $last_rev) {
982 (undef, $last_rev, undef) = cmt_metadata("$d~1");
983 unless (defined $last_rev) {
984 fatal "Unable to extract revision information ",
985 "from commit $d~1";
988 if ($_dry_run) {
989 print "diff-tree $d~1 $d\n";
990 } else {
991 my $cmt_rev;
993 unless (defined($_merge_info) || ! $push_merge_info) {
994 $_merge_info = populate_merge_info($d, $gs,
995 $uuid,
996 $linear_refs,
997 $rewritten_parent);
1000 my %ed_opts = ( r => $last_rev,
1001 log => get_commit_entry($d)->{log},
1002 ra => Git::SVN::Ra->new($url),
1003 config => SVN::Core::config_get_config(
1004 $Git::SVN::Ra::config_dir
1006 tree_a => "$d~1",
1007 tree_b => $d,
1008 editor_cb => sub {
1009 print "Committed r$_[0]\n";
1010 $cmt_rev = $_[0];
1012 mergeinfo => $_merge_info,
1013 svn_path => '');
1015 my $err_handler = $SVN::Error::handler;
1016 $SVN::Error::handler = sub {
1017 my $err = shift;
1018 dcommit_rebase(1, $current_head, $gs->refname,
1019 $err);
1022 if (!Git::SVN::Editor->new(\%ed_opts)->apply_diff) {
1023 print "No changes\n$d~1 == $d\n";
1024 } elsif ($parents->{$d} && @{$parents->{$d}}) {
1025 $gs->{inject_parents_dcommit}->{$cmt_rev} =
1026 $parents->{$d};
1028 $_fetch_all ? $gs->fetch_all : $gs->fetch;
1029 $SVN::Error::handler = $err_handler;
1030 $last_rev = $cmt_rev;
1031 next if $_no_rebase;
1033 my @diff = dcommit_rebase(@$linear_refs == 0, $d,
1034 $gs->refname, undef);
1036 $rewritten_parent = command_oneline(qw/rev-parse/,
1037 $gs->refname);
1039 if (@diff) {
1040 $current_head = command_oneline(qw/rev-parse
1041 HEAD/);
1042 @refs = ();
1043 my ($url_, $rev_, $uuid_, $gs_) =
1044 working_head_info('HEAD', \@refs);
1045 my ($linear_refs_, $parents_) =
1046 linearize_history($gs_, \@refs);
1047 if (scalar(@$linear_refs) !=
1048 scalar(@$linear_refs_)) {
1049 fatal "# of revisions changed ",
1050 "\nbefore:\n",
1051 join("\n", @$linear_refs),
1052 "\n\nafter:\n",
1053 join("\n", @$linear_refs_), "\n",
1054 'If you are attempting to commit ',
1055 "merges, try running:\n\t",
1056 'git rebase --interactive',
1057 '--preserve-merges ',
1058 $gs->refname,
1059 "\nBefore dcommitting";
1061 if ($url_ ne $expect_url) {
1062 if ($url_ eq $gs->metadata_url) {
1063 print
1064 "Accepting rewritten URL:",
1065 " $url_\n";
1066 } else {
1067 fatal
1068 "URL mismatch after rebase:",
1069 " $url_ != $expect_url";
1072 if ($uuid_ ne $uuid) {
1073 fatal "uuid mismatch after rebase: ",
1074 "$uuid_ != $uuid";
1076 # remap parents
1077 my (%p, @l, $i);
1078 for ($i = 0; $i < scalar @$linear_refs; $i++) {
1079 my $new = $linear_refs_->[$i] or next;
1080 $p{$new} =
1081 $parents->{$linear_refs->[$i]};
1082 push @l, $new;
1084 $parents = \%p;
1085 $linear_refs = \@l;
1086 undef $last_rev;
1091 if ($old_head) {
1092 my $new_head = command_oneline(qw/rev-parse HEAD/);
1093 my $new_is_symbolic = eval {
1094 command_oneline(qw/symbolic-ref -q HEAD/);
1096 if ($new_is_symbolic) {
1097 print "dcommitted the branch ", $head, "\n";
1098 } else {
1099 print "dcommitted on a detached HEAD because you gave ",
1100 "a revision argument.\n",
1101 "The rewritten commit is: ", $new_head, "\n";
1103 command(['checkout', $old_head], STDERR => 0);
1106 unlink $gs->{index};
1109 sub cmd_branch {
1110 my ($branch_name, $head) = @_;
1112 unless (defined $branch_name && length $branch_name) {
1113 die(($_tag ? "tag" : "branch") . " name required\n");
1115 $head ||= 'HEAD';
1117 my (undef, $rev, undef, $gs) = working_head_info($head);
1118 my $src = $gs->full_pushurl;
1120 my $remote = Git::SVN::read_all_remotes()->{$gs->{repo_id}};
1121 my $allglobs = $remote->{ $_tag ? 'tags' : 'branches' };
1122 my $glob;
1123 if ($#{$allglobs} == 0) {
1124 $glob = $allglobs->[0];
1125 } else {
1126 unless(defined $_branch_dest) {
1127 die "Multiple ",
1128 $_tag ? "tag" : "branch",
1129 " paths defined for Subversion repository.\n",
1130 "You must specify where you want to create the ",
1131 $_tag ? "tag" : "branch",
1132 " with the --destination argument.\n";
1134 foreach my $g (@{$allglobs}) {
1135 my $re = Git::SVN::Editor::glob2pat($g->{path}->{left});
1136 if ($_branch_dest =~ /$re/) {
1137 $glob = $g;
1138 last;
1141 unless (defined $glob) {
1142 my $dest_re = qr/\b\Q$_branch_dest\E\b/;
1143 foreach my $g (@{$allglobs}) {
1144 $g->{path}->{left} =~ /$dest_re/ or next;
1145 if (defined $glob) {
1146 die "Ambiguous destination: ",
1147 $_branch_dest, "\nmatches both '",
1148 $glob->{path}->{left}, "' and '",
1149 $g->{path}->{left}, "'\n";
1151 $glob = $g;
1153 unless (defined $glob) {
1154 die "Unknown ",
1155 $_tag ? "tag" : "branch",
1156 " destination $_branch_dest\n";
1160 my ($lft, $rgt) = @{ $glob->{path} }{qw/left right/};
1161 my $url;
1162 if (defined $_commit_url) {
1163 $url = $_commit_url;
1164 } else {
1165 $url = eval { command_oneline('config', '--get',
1166 "svn-remote.$gs->{repo_id}.commiturl") };
1167 if (!$url) {
1168 $url = $remote->{pushurl} || $remote->{url};
1171 my $dst = join '/', $url, $lft, $branch_name, ($rgt || ());
1173 if ($dst =~ /^https:/ && $src =~ /^http:/) {
1174 $src=~s/^http:/https:/;
1177 ::_req_svn();
1178 require SVN::Client;
1180 my ($config, $baton, undef) = Git::SVN::Ra::prepare_config_once();
1181 my $ctx = SVN::Client->new(
1182 auth => $baton,
1183 config => $config,
1184 log_msg => sub {
1185 ${ $_[0] } = defined $_message
1186 ? $_message
1187 : 'Create ' . ($_tag ? 'tag ' : 'branch ' )
1188 . $branch_name;
1192 eval {
1193 $ctx->ls($dst, 'HEAD', 0);
1194 } and die "branch ${branch_name} already exists\n";
1196 if ($_parents) {
1197 mk_parent_dirs($ctx, $dst);
1200 print "Copying ${src} at r${rev} to ${dst}...\n";
1201 $ctx->copy($src, $rev, $dst)
1202 unless $_dry_run;
1204 # Release resources held by ctx before creating another SVN::Ra
1205 # so destruction is orderly. This seems necessary with SVN 1.9.5
1206 # to avoid segfaults.
1207 $ctx = undef;
1209 $gs->fetch_all;
1212 sub mk_parent_dirs {
1213 my ($ctx, $parent) = @_;
1214 $parent =~ s{/[^/]*$}{};
1216 if (!eval{$ctx->ls($parent, 'HEAD', 0)}) {
1217 mk_parent_dirs($ctx, $parent);
1218 print "Creating parent folder ${parent} ...\n";
1219 $ctx->mkdir($parent) unless $_dry_run;
1223 sub cmd_find_rev {
1224 my $revision_or_hash = shift or die "SVN or git revision required ",
1225 "as a command-line argument\n";
1226 my $result;
1227 if ($revision_or_hash =~ /^r\d+$/) {
1228 my $head = shift;
1229 $head ||= 'HEAD';
1230 my @refs;
1231 my (undef, undef, $uuid, $gs) = working_head_info($head, \@refs);
1232 unless ($gs) {
1233 die "Unable to determine upstream SVN information from ",
1234 "$head history\n";
1236 my $desired_revision = substr($revision_or_hash, 1);
1237 if ($_before) {
1238 $result = $gs->find_rev_before($desired_revision, 1);
1239 } elsif ($_after) {
1240 $result = $gs->find_rev_after($desired_revision, 1);
1241 } else {
1242 $result = $gs->rev_map_get($desired_revision, $uuid);
1244 } else {
1245 my (undef, $rev, undef) = cmt_metadata($revision_or_hash);
1246 $result = $rev;
1248 print "$result\n" if $result;
1251 sub auto_create_empty_directories {
1252 my ($gs) = @_;
1253 my $var = eval { command_oneline('config', '--get', '--bool',
1254 "svn-remote.$gs->{repo_id}.automkdirs") };
1255 # By default, create empty directories by consulting the unhandled log,
1256 # but allow setting it to 'false' to skip it.
1257 return !($var && $var eq 'false');
1260 sub cmd_rebase {
1261 command_noisy(qw/update-index --refresh/);
1262 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1263 unless ($gs) {
1264 die "Unable to determine upstream SVN information from ",
1265 "working tree history\n";
1267 if ($_dry_run) {
1268 print "Remote Branch: " . $gs->refname . "\n";
1269 print "SVN URL: " . $url . "\n";
1270 return;
1272 if (command(qw/diff-index HEAD --/)) {
1273 print STDERR "Cannot rebase with uncommitted changes:\n";
1274 command_noisy('status');
1275 exit 1;
1277 unless ($_local) {
1278 # rebase will checkout for us, so no need to do it explicitly
1279 $_no_checkout = 'true';
1280 $_fetch_all ? $gs->fetch_all : $gs->fetch;
1282 command_noisy(rebase_cmd(), $gs->refname);
1283 if (auto_create_empty_directories($gs)) {
1284 $gs->mkemptydirs;
1288 sub cmd_show_ignore {
1289 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1290 $gs ||= Git::SVN->new;
1291 my $r = (defined $_revision ? $_revision : $gs->ra->get_latest_revnum);
1292 $gs->prop_walk($gs->path, $r, sub {
1293 my ($gs, $path, $props) = @_;
1294 print STDOUT "\n# $path\n";
1295 my $s = $props->{'svn:ignore'} or return;
1296 $s =~ s/[\r\n]+/\n/g;
1297 $s =~ s/^\n+//;
1298 chomp $s;
1299 $s =~ s#^#$path#gm;
1300 print STDOUT "$s\n";
1304 sub cmd_show_externals {
1305 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1306 $gs ||= Git::SVN->new;
1307 my $r = (defined $_revision ? $_revision : $gs->ra->get_latest_revnum);
1308 $gs->prop_walk($gs->path, $r, sub {
1309 my ($gs, $path, $props) = @_;
1310 print STDOUT "\n# $path\n";
1311 my $s = $props->{'svn:externals'} or return;
1312 $s =~ s/[\r\n]+/\n/g;
1313 chomp $s;
1314 $s =~ s#^#$path#gm;
1315 print STDOUT "$s\n";
1319 sub cmd_create_ignore {
1320 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1321 $gs ||= Git::SVN->new;
1322 my $r = (defined $_revision ? $_revision : $gs->ra->get_latest_revnum);
1323 $gs->prop_walk($gs->path, $r, sub {
1324 my ($gs, $path, $props) = @_;
1325 # $path is of the form /path/to/dir/
1326 $path = '.' . $path;
1327 # SVN can have attributes on empty directories,
1328 # which git won't track
1329 mkpath([$path]) unless -d $path;
1330 my $ignore = $path . '.gitignore';
1331 my $s = $props->{'svn:ignore'} or return;
1332 open(GITIGNORE, '>', $ignore)
1333 or fatal("Failed to open `$ignore' for writing: $!");
1334 $s =~ s/[\r\n]+/\n/g;
1335 $s =~ s/^\n+//;
1336 chomp $s;
1337 # Prefix all patterns so that the ignore doesn't apply
1338 # to sub-directories.
1339 $s =~ s#^#/#gm;
1340 print GITIGNORE "$s\n";
1341 close(GITIGNORE)
1342 or fatal("Failed to close `$ignore': $!");
1343 command_noisy('add', '-f', $ignore);
1347 sub cmd_mkdirs {
1348 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1349 $gs ||= Git::SVN->new;
1350 $gs->mkemptydirs($_revision);
1353 # get_svnprops(PATH)
1354 # ------------------
1355 # Helper for cmd_propget and cmd_proplist below.
1356 sub get_svnprops {
1357 my $path = shift;
1358 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1359 $gs ||= Git::SVN->new;
1361 # prefix THE PATH by the sub-directory from which the user
1362 # invoked us.
1363 $path = $cmd_dir_prefix . $path;
1364 fatal("No such file or directory: $path") unless -e $path;
1365 my $is_dir = -d $path ? 1 : 0;
1366 $path = join_paths($gs->path, $path);
1368 # canonicalize the path (otherwise libsvn will abort or fail to
1369 # find the file)
1370 $path = canonicalize_path($path);
1372 my $r = (defined $_revision ? $_revision : $gs->ra->get_latest_revnum);
1373 my $props;
1374 if ($is_dir) {
1375 (undef, undef, $props) = $gs->ra->get_dir($path, $r);
1377 else {
1378 (undef, $props) = $gs->ra->get_file($path, $r, undef);
1380 return $props;
1383 # cmd_propget (PROP, PATH)
1384 # ------------------------
1385 # Print the SVN property PROP for PATH.
1386 sub cmd_propget {
1387 my ($prop, $path) = @_;
1388 $path = '.' if not defined $path;
1389 usage(1) if not defined $prop;
1390 my $props = get_svnprops($path);
1391 if (not defined $props->{$prop}) {
1392 fatal("`$path' does not have a `$prop' SVN property.");
1394 print $props->{$prop} . "\n";
1397 # cmd_propset (PROPNAME, PROPVAL, PATH)
1398 # ------------------------
1399 # Adjust the SVN property PROPNAME to PROPVAL for PATH.
1400 sub cmd_propset {
1401 my ($propname, $propval, $path) = @_;
1402 $path = '.' if not defined $path;
1403 $path = $cmd_dir_prefix . $path;
1404 usage(1) if not defined $propname;
1405 usage(1) if not defined $propval;
1406 my $file = basename($path);
1407 my $dn = dirname($path);
1408 my $cur_props = Git::SVN::Editor::check_attr( "svn-properties", $path );
1409 my @new_props;
1410 if (!$cur_props || $cur_props eq "unset" || $cur_props eq "" || $cur_props eq "set") {
1411 push @new_props, "$propname=$propval";
1412 } else {
1413 # TODO: handle combining properties better
1414 my @props = split(/;/, $cur_props);
1415 my $replaced_prop;
1416 foreach my $prop (@props) {
1417 # Parse 'name=value' syntax and set the property.
1418 if ($prop =~ /([^=]+)=(.*)/) {
1419 my ($n,$v) = ($1,$2);
1420 if ($n eq $propname) {
1421 $v = $propval;
1422 $replaced_prop = 1;
1424 push @new_props, "$n=$v";
1427 if (!$replaced_prop) {
1428 push @new_props, "$propname=$propval";
1431 my $attrfile = "$dn/.gitattributes";
1432 open my $attrfh, '>>', $attrfile or die "Can't open $attrfile: $!\n";
1433 # TODO: don't simply append here if $file already has svn-properties
1434 my $new_props = join(';', @new_props);
1435 print $attrfh "$file svn-properties=$new_props\n" or
1436 die "write to $attrfile: $!\n";
1437 close $attrfh or die "close $attrfile: $!\n";
1440 # cmd_proplist (PATH)
1441 # -------------------
1442 # Print the list of SVN properties for PATH.
1443 sub cmd_proplist {
1444 my $path = shift;
1445 $path = '.' if not defined $path;
1446 my $props = get_svnprops($path);
1447 print "Properties on '$path':\n";
1448 foreach (sort keys %{$props}) {
1449 print " $_\n";
1453 sub cmd_multi_init {
1454 my $url = shift;
1455 unless (defined $_trunk || @_branches || @_tags) {
1456 usage(1);
1459 $_prefix = 'origin/' unless defined $_prefix;
1460 if (defined $url) {
1461 $url = canonicalize_url($url);
1462 init_subdir(@_);
1464 do_git_init_db();
1465 if (defined $_trunk) {
1466 $_trunk =~ s#^/+##;
1467 my $trunk_ref = 'refs/remotes/' . $_prefix . 'trunk';
1468 # try both old-style and new-style lookups:
1469 my $gs_trunk = eval { Git::SVN->new($trunk_ref) };
1470 unless ($gs_trunk) {
1471 my ($trunk_url, $trunk_path) =
1472 complete_svn_url($url, $_trunk);
1473 $gs_trunk = Git::SVN->init($trunk_url, $trunk_path,
1474 undef, $trunk_ref);
1477 return unless @_branches || @_tags;
1478 my $ra = $url ? Git::SVN::Ra->new($url) : undef;
1479 foreach my $path (@_branches) {
1480 complete_url_ls_init($ra, $path, '--branches/-b', $_prefix);
1482 foreach my $path (@_tags) {
1483 complete_url_ls_init($ra, $path, '--tags/-t', $_prefix.'tags/');
1487 sub cmd_multi_fetch {
1488 $Git::SVN::no_reuse_existing = undef;
1489 my $remotes = Git::SVN::read_all_remotes();
1490 foreach my $repo_id (sort keys %$remotes) {
1491 if ($remotes->{$repo_id}->{url}) {
1492 Git::SVN::fetch_all($repo_id, $remotes);
1497 # this command is special because it requires no metadata
1498 sub cmd_commit_diff {
1499 my ($ta, $tb, $url) = @_;
1500 my $usage = "usage: $0 commit-diff -r<revision> ".
1501 "<tree-ish> <tree-ish> [<URL>]";
1502 fatal($usage) if (!defined $ta || !defined $tb);
1503 my $svn_path = '';
1504 if (!defined $url) {
1505 my $gs = eval { Git::SVN->new };
1506 if (!$gs) {
1507 fatal("Needed URL or usable git-svn --id in ",
1508 "the command-line\n", $usage);
1510 $url = $gs->url;
1511 $svn_path = $gs->path;
1513 unless (defined $_revision) {
1514 fatal("-r|--revision is a required argument\n", $usage);
1516 if (defined $_message && defined $_file) {
1517 fatal("Both --message/-m and --file/-F specified ",
1518 "for the commit message.\n",
1519 "I have no idea what you mean");
1521 if (defined $_file) {
1522 $_message = file_to_s($_file);
1523 } else {
1524 $_message ||= get_commit_entry($tb)->{log};
1526 my $ra ||= Git::SVN::Ra->new($url);
1527 my $r = $_revision;
1528 if ($r eq 'HEAD') {
1529 $r = $ra->get_latest_revnum;
1530 } elsif ($r !~ /^\d+$/) {
1531 die "revision argument: $r not understood by git-svn\n";
1533 my %ed_opts = ( r => $r,
1534 log => $_message,
1535 ra => $ra,
1536 tree_a => $ta,
1537 tree_b => $tb,
1538 editor_cb => sub { print "Committed r$_[0]\n" },
1539 svn_path => $svn_path );
1540 if (!Git::SVN::Editor->new(\%ed_opts)->apply_diff) {
1541 print "No changes\n$ta == $tb\n";
1545 sub cmd_info {
1546 my $path_arg = defined($_[0]) ? $_[0] : '.';
1547 my $path = $path_arg;
1548 if (File::Spec->file_name_is_absolute($path)) {
1549 $path = canonicalize_path($path);
1551 my $toplevel = eval {
1552 my @cmd = qw/rev-parse --show-toplevel/;
1553 command_oneline(\@cmd, STDERR => 0);
1556 # remove $toplevel from the absolute path:
1557 my ($vol, $dirs, $file) = File::Spec->splitpath($path);
1558 my (undef, $tdirs, $tfile) = File::Spec->splitpath($toplevel);
1559 my @dirs = File::Spec->splitdir($dirs);
1560 my @tdirs = File::Spec->splitdir($tdirs);
1561 pop @dirs if $dirs[-1] eq '';
1562 pop @tdirs if $tdirs[-1] eq '';
1563 push @dirs, $file;
1564 push @tdirs, $tfile;
1565 while (@tdirs && @dirs && $tdirs[0] eq $dirs[0]) {
1566 shift @dirs;
1567 shift @tdirs;
1569 $dirs = File::Spec->catdir(@dirs);
1570 $path = File::Spec->catpath($vol, $dirs);
1572 $path = canonicalize_path($path);
1573 } else {
1574 $path = canonicalize_path($cmd_dir_prefix . $path);
1576 if (exists $_[1]) {
1577 die "Too many arguments specified\n";
1580 my ($file_type, $diff_status) = find_file_type_and_diff_status($path);
1582 if (!$file_type && !$diff_status) {
1583 print STDERR "svn: '$path' is not under version control\n";
1584 exit 1;
1587 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1588 unless ($gs) {
1589 die "Unable to determine upstream SVN information from ",
1590 "working tree history\n";
1593 # canonicalize_path() will return "" to make libsvn 1.5.x happy,
1594 $path = "." if $path eq "";
1596 my $full_url = canonicalize_url( add_path_to_url( $url, $path ) );
1598 if ($_url) {
1599 print "$full_url\n";
1600 return;
1603 my $result = "Path: $path_arg\n";
1604 $result .= "Name: " . basename($path) . "\n" if $file_type ne "dir";
1605 $result .= "URL: $full_url\n";
1607 eval {
1608 my $repos_root = $gs->repos_root;
1609 Git::SVN::remove_username($repos_root);
1610 $result .= "Repository Root: " . canonicalize_url($repos_root) . "\n";
1612 if ($@) {
1613 $result .= "Repository Root: (offline)\n";
1615 ::_req_svn();
1616 $result .= "Repository UUID: $uuid\n" unless $diff_status eq "A" &&
1617 (::compare_svn_version('1.5.4') <= 0 || $file_type ne "dir");
1618 $result .= "Revision: " . ($diff_status eq "A" ? 0 : $rev) . "\n";
1620 $result .= "Node Kind: " .
1621 ($file_type eq "dir" ? "directory" : "file") . "\n";
1623 my $schedule = $diff_status eq "A"
1624 ? "add"
1625 : ($diff_status eq "D" ? "delete" : "normal");
1626 $result .= "Schedule: $schedule\n";
1628 if ($diff_status eq "A") {
1629 print $result, "\n";
1630 return;
1633 my ($lc_author, $lc_rev, $lc_date_utc);
1634 my @args = Git::SVN::Log::git_svn_log_cmd($rev, $rev, "--", $path);
1635 my $log = command_output_pipe(@args);
1636 my $esc_color = qr/(?:\033\[(?:(?:\d+;)*\d*)?m)*/;
1637 while (<$log>) {
1638 if (/^${esc_color}author (.+) <[^>]+> (\d+) ([\-\+]?\d+)$/o) {
1639 $lc_author = $1;
1640 $lc_date_utc = Git::SVN::Log::parse_git_date($2, $3);
1641 } elsif (/^${esc_color} (git-svn-id:.+)$/o) {
1642 (undef, $lc_rev, undef) = ::extract_metadata($1);
1645 close $log;
1647 Git::SVN::Log::set_local_timezone();
1649 $result .= "Last Changed Author: $lc_author\n";
1650 $result .= "Last Changed Rev: $lc_rev\n";
1651 $result .= "Last Changed Date: " .
1652 Git::SVN::Log::format_svn_date($lc_date_utc) . "\n";
1654 if ($file_type ne "dir") {
1655 my $text_last_updated_date =
1656 ($diff_status eq "D" ? $lc_date_utc : (stat $path)[9]);
1657 $result .=
1658 "Text Last Updated: " .
1659 Git::SVN::Log::format_svn_date($text_last_updated_date) .
1660 "\n";
1661 my $checksum;
1662 if ($diff_status eq "D") {
1663 my ($fh, $ctx) =
1664 command_output_pipe(qw(cat-file blob), "HEAD:$path");
1665 if ($file_type eq "link") {
1666 my $file_name = <$fh>;
1667 $checksum = md5sum("link $file_name");
1668 } else {
1669 $checksum = md5sum($fh);
1671 command_close_pipe($fh, $ctx);
1672 } elsif ($file_type eq "link") {
1673 my $file_name =
1674 command(qw(cat-file blob), "HEAD:$path");
1675 $checksum =
1676 md5sum("link " . $file_name);
1677 } else {
1678 open FILE, "<", $path or die $!;
1679 $checksum = md5sum(\*FILE);
1680 close FILE or die $!;
1682 $result .= "Checksum: " . $checksum . "\n";
1685 print $result, "\n";
1688 sub cmd_reset {
1689 my $target = shift || $_revision or die "SVN revision required\n";
1690 $target = $1 if $target =~ /^r(\d+)$/;
1691 $target =~ /^\d+$/ or die "Numeric SVN revision expected\n";
1692 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1693 unless ($gs) {
1694 die "Unable to determine upstream SVN information from ".
1695 "history\n";
1697 my ($r, $c) = $gs->find_rev_before($target, not $_fetch_parent);
1698 die "Cannot find SVN revision $target\n" unless defined($c);
1699 $gs->rev_map_set($r, $c, 'reset', $uuid);
1700 print "r$r = $c ($gs->{ref_id})\n";
1703 sub cmd_gc {
1704 require File::Find;
1705 if (!can_compress()) {
1706 warn "Compress::Zlib could not be found; unhandled.log " .
1707 "files will not be compressed.\n";
1709 File::Find::find({ wanted => \&gc_directory, no_chdir => 1},
1710 Git::SVN::svn_dir());
1713 ########################### utility functions #########################
1715 sub rebase_cmd {
1716 my @cmd = qw/rebase/;
1717 push @cmd, '-v' if $_verbose;
1718 push @cmd, qw/--merge/ if $_merge;
1719 push @cmd, "--strategy=$_strategy" if $_strategy;
1720 push @cmd, "--preserve-merges" if $_preserve_merges;
1721 @cmd;
1724 sub post_fetch_checkout {
1725 return if $_no_checkout;
1726 return if verify_ref('HEAD^0');
1727 my $gs = $Git::SVN::_head or return;
1729 # look for "trunk" ref if it exists
1730 my $remote = Git::SVN::read_all_remotes()->{$gs->{repo_id}};
1731 my $fetch = $remote->{fetch};
1732 if ($fetch) {
1733 foreach my $p (keys %$fetch) {
1734 basename($fetch->{$p}) eq 'trunk' or next;
1735 $gs = Git::SVN->new($fetch->{$p}, $gs->{repo_id}, $p);
1736 last;
1740 command_noisy(qw(update-ref HEAD), $gs->refname);
1741 return unless verify_ref('HEAD^0');
1743 return if $ENV{GIT_DIR} !~ m#^(?:.*/)?\.git$#;
1744 my $index = command_oneline(qw(rev-parse --git-path index));
1745 return if -f $index;
1747 return if command_oneline(qw/rev-parse --is-inside-work-tree/) eq 'false';
1748 return if command_oneline(qw/rev-parse --is-inside-git-dir/) eq 'true';
1749 command_noisy(qw/read-tree -m -u -v HEAD HEAD/);
1750 print STDERR "Checked out HEAD:\n ",
1751 $gs->full_url, " r", $gs->last_rev, "\n";
1752 if (auto_create_empty_directories($gs)) {
1753 $gs->mkemptydirs($gs->last_rev);
1757 sub complete_svn_url {
1758 my ($url, $path) = @_;
1760 if ($path =~ m#^[a-z\+]+://#i) { # path is a URL
1761 $path = canonicalize_url($path);
1762 } else {
1763 $path = canonicalize_path($path);
1764 if (!defined $url || $url !~ m#^[a-z\+]+://#i) {
1765 fatal("E: '$path' is not a complete URL ",
1766 "and a separate URL is not specified");
1768 return ($url, $path);
1770 return ($path, '');
1773 sub complete_url_ls_init {
1774 my ($ra, $repo_path, $switch, $pfx) = @_;
1775 unless ($repo_path) {
1776 print STDERR "W: $switch not specified\n";
1777 return;
1779 if ($repo_path =~ m#^[a-z\+]+://#i) {
1780 $repo_path = canonicalize_url($repo_path);
1781 $ra = Git::SVN::Ra->new($repo_path);
1782 $repo_path = '';
1783 } else {
1784 $repo_path = canonicalize_path($repo_path);
1785 $repo_path =~ s#^/+##;
1786 unless ($ra) {
1787 fatal("E: '$repo_path' is not a complete URL ",
1788 "and a separate URL is not specified");
1791 my $url = $ra->url;
1792 my $gs = Git::SVN->init($url, undef, undef, undef, 1);
1793 my $k = "svn-remote.$gs->{repo_id}.url";
1794 my $orig_url = eval { command_oneline(qw/config --get/, $k) };
1795 if ($orig_url && ($orig_url ne $gs->url)) {
1796 die "$k already set: $orig_url\n",
1797 "wanted to set to: $gs->url\n";
1799 command_oneline('config', $k, $gs->url) unless $orig_url;
1801 my $remote_path = join_paths( $gs->path, $repo_path );
1802 $remote_path =~ s{%([0-9A-F]{2})}{chr hex($1)}ieg;
1803 $remote_path =~ s#^/##g;
1804 $remote_path .= "/*" if $remote_path !~ /\*/;
1805 my ($n) = ($switch =~ /^--(\w+)/);
1806 if (length $pfx && $pfx !~ m#/$#) {
1807 die "--prefix='$pfx' must have a trailing slash '/'\n";
1809 command_noisy('config',
1810 '--add',
1811 "svn-remote.$gs->{repo_id}.$n",
1812 "$remote_path:refs/remotes/$pfx*" .
1813 ('/*' x (($remote_path =~ tr/*/*/) - 1)) );
1816 sub verify_ref {
1817 my ($ref) = @_;
1818 eval { command_oneline([ 'rev-parse', '--verify', $ref ],
1819 { STDERR => 0 }); };
1822 sub get_tree_from_treeish {
1823 my ($treeish) = @_;
1824 # $treeish can be a symbolic ref, too:
1825 my $type = command_oneline(qw/cat-file -t/, $treeish);
1826 my $expected;
1827 while ($type eq 'tag') {
1828 ($treeish, $type) = command(qw/cat-file tag/, $treeish);
1830 if ($type eq 'commit') {
1831 $expected = (grep /^tree /, command(qw/cat-file commit/,
1832 $treeish))[0];
1833 ($expected) = ($expected =~ /^tree ($sha1)$/o);
1834 die "Unable to get tree from $treeish\n" unless $expected;
1835 } elsif ($type eq 'tree') {
1836 $expected = $treeish;
1837 } else {
1838 die "$treeish is a $type, expected tree, tag or commit\n";
1840 return $expected;
1843 sub get_commit_entry {
1844 my ($treeish) = shift;
1845 my %log_entry = ( log => '', tree => get_tree_from_treeish($treeish) );
1846 my @git_path = qw(rev-parse --git-path);
1847 my $commit_editmsg = command_oneline(@git_path, 'COMMIT_EDITMSG');
1848 my $commit_msg = command_oneline(@git_path, 'COMMIT_MSG');
1849 open my $log_fh, '>', $commit_editmsg or croak $!;
1851 my $type = command_oneline(qw/cat-file -t/, $treeish);
1852 if ($type eq 'commit' || $type eq 'tag') {
1853 my ($msg_fh, $ctx) = command_output_pipe('cat-file',
1854 $type, $treeish);
1855 my $in_msg = 0;
1856 my $author;
1857 my $saw_from = 0;
1858 my $msgbuf = "";
1859 while (<$msg_fh>) {
1860 if (!$in_msg) {
1861 $in_msg = 1 if (/^$/);
1862 $author = $1 if (/^author (.*>)/);
1863 } elsif (/^git-svn-id: /) {
1864 # skip this for now, we regenerate the
1865 # correct one on re-fetch anyways
1866 # TODO: set *:merge properties or like...
1867 } else {
1868 if (/^From:/ || /^Signed-off-by:/) {
1869 $saw_from = 1;
1871 $msgbuf .= $_;
1874 $msgbuf =~ s/\s+$//s;
1875 $msgbuf =~ s/\r\n/\n/sg; # SVN 1.6+ disallows CRLF
1876 if ($Git::SVN::_add_author_from && defined($author)
1877 && !$saw_from) {
1878 $msgbuf .= "\n\nFrom: $author";
1880 print $log_fh $msgbuf or croak $!;
1881 command_close_pipe($msg_fh, $ctx);
1883 close $log_fh or croak $!;
1885 if ($_edit || ($type eq 'tree')) {
1886 chomp(my $editor = command_oneline(qw(var GIT_EDITOR)));
1887 system('sh', '-c', $editor.' "$@"', $editor, $commit_editmsg);
1889 rename $commit_editmsg, $commit_msg or croak $!;
1891 require Encode;
1892 # SVN requires messages to be UTF-8 when entering the repo
1893 open $log_fh, '<', $commit_msg or croak $!;
1894 binmode $log_fh;
1895 chomp($log_entry{log} = get_record($log_fh, undef));
1897 my $enc = Git::config('i18n.commitencoding') || 'UTF-8';
1898 my $msg = $log_entry{log};
1900 eval { $msg = Encode::decode($enc, $msg, 1) };
1901 if ($@) {
1902 die "Could not decode as $enc:\n", $msg,
1903 "\nPerhaps you need to set i18n.commitencoding\n";
1906 eval { $msg = Encode::encode('UTF-8', $msg, 1) };
1907 die "Could not encode as UTF-8:\n$msg\n" if $@;
1909 $log_entry{log} = $msg;
1911 close $log_fh or croak $!;
1913 unlink $commit_msg;
1914 \%log_entry;
1917 sub s_to_file {
1918 my ($str, $file, $mode) = @_;
1919 open my $fd,'>',$file or croak $!;
1920 print $fd $str,"\n" or croak $!;
1921 close $fd or croak $!;
1922 chmod ($mode &~ umask, $file) if (defined $mode);
1925 sub file_to_s {
1926 my $file = shift;
1927 open my $fd,'<',$file or croak "$!: file: $file\n";
1928 local $/;
1929 my $ret = <$fd>;
1930 close $fd or croak $!;
1931 $ret =~ s/\s*$//s;
1932 return $ret;
1935 # '<svn username> = real-name <email address>' mapping based on git-svnimport:
1936 sub load_authors {
1937 open my $authors, '<', $_authors or die "Can't open $_authors $!\n";
1938 my $log = $cmd eq 'log';
1939 while (<$authors>) {
1940 chomp;
1941 next unless /^(.+?|\(no author\))\s*=\s*(.+?)\s*<(.*)>\s*$/;
1942 my ($user, $name, $email) = ($1, $2, $3);
1943 if ($log) {
1944 $Git::SVN::Log::rusers{"$name <$email>"} = $user;
1945 } else {
1946 $users{$user} = [$name, $email];
1949 close $authors or croak $!;
1952 # convert GetOpt::Long specs for use by git-config
1953 sub read_git_config {
1954 my $opts = shift;
1955 my @config_only;
1956 foreach my $o (keys %$opts) {
1957 # if we have mixedCase and a long option-only, then
1958 # it's a config-only variable that we don't need for
1959 # the command-line.
1960 push @config_only, $o if ($o =~ /[A-Z]/ && $o =~ /^[a-z]+$/i);
1961 my $v = $opts->{$o};
1962 my ($key) = ($o =~ /^([a-zA-Z\-]+)/);
1963 $key =~ s/-//g;
1964 my $arg = 'git config';
1965 $arg .= ' --int' if ($o =~ /[:=]i$/);
1966 $arg .= ' --bool' if ($o !~ /[:=][sfi]$/);
1967 if (ref $v eq 'ARRAY') {
1968 chomp(my @tmp = `$arg --get-all svn.$key`);
1969 @$v = @tmp if @tmp;
1970 } else {
1971 chomp(my $tmp = `$arg --get svn.$key`);
1972 if ($tmp && !($arg =~ / --bool/ && $tmp eq 'false')) {
1973 $$v = $tmp;
1977 delete @$opts{@config_only} if @config_only;
1980 sub extract_metadata {
1981 my $id = shift or return (undef, undef, undef);
1982 my ($url, $rev, $uuid) = ($id =~ /^\s*git-svn-id:\s+(.*)\@(\d+)
1983 \s([a-f\d\-]+)$/ix);
1984 if (!defined $rev || !$uuid || !$url) {
1985 # some of the original repositories I made had
1986 # identifiers like this:
1987 ($rev, $uuid) = ($id =~/^\s*git-svn-id:\s(\d+)\@([a-f\d\-]+)/i);
1989 return ($url, $rev, $uuid);
1992 sub cmt_metadata {
1993 return extract_metadata((grep(/^git-svn-id: /,
1994 command(qw/cat-file commit/, shift)))[-1]);
1997 sub cmt_sha2rev_batch {
1998 my %s2r;
1999 my ($pid, $in, $out, $ctx) = command_bidi_pipe(qw/cat-file --batch/);
2000 my $list = shift;
2002 foreach my $sha (@{$list}) {
2003 my $first = 1;
2004 my $size = 0;
2005 print $out $sha, "\n";
2007 while (my $line = <$in>) {
2008 if ($first && $line =~ /^[[:xdigit:]]{40}\smissing$/) {
2009 last;
2010 } elsif ($first &&
2011 $line =~ /^[[:xdigit:]]{40}\scommit\s(\d+)$/) {
2012 $first = 0;
2013 $size = $1;
2014 next;
2015 } elsif ($line =~ /^(git-svn-id: )/) {
2016 my (undef, $rev, undef) =
2017 extract_metadata($line);
2018 $s2r{$sha} = $rev;
2021 $size -= length($line);
2022 last if ($size == 0);
2026 command_close_bidi_pipe($pid, $in, $out, $ctx);
2028 return \%s2r;
2031 sub working_head_info {
2032 my ($head, $refs) = @_;
2033 my @args = qw/rev-list --first-parent --pretty=medium/;
2034 my ($fh, $ctx) = command_output_pipe(@args, $head, "--");
2035 my $hash;
2036 my %max;
2037 while (<$fh>) {
2038 if ( m{^commit ($::sha1)$} ) {
2039 unshift @$refs, $hash if $hash and $refs;
2040 $hash = $1;
2041 next;
2043 next unless s{^\s*(git-svn-id:)}{$1};
2044 my ($url, $rev, $uuid) = extract_metadata($_);
2045 if (defined $url && defined $rev) {
2046 next if $max{$url} and $max{$url} < $rev;
2047 if (my $gs = Git::SVN->find_by_url($url)) {
2048 my $c = $gs->rev_map_get($rev, $uuid);
2049 if ($c && $c eq $hash) {
2050 close $fh; # break the pipe
2051 return ($url, $rev, $uuid, $gs);
2052 } else {
2053 $max{$url} ||= $gs->rev_map_max;
2058 command_close_pipe($fh, $ctx);
2059 (undef, undef, undef, undef);
2062 sub read_commit_parents {
2063 my ($parents, $c) = @_;
2064 chomp(my $p = command_oneline(qw/rev-list --parents -1/, $c));
2065 $p =~ s/^($c)\s*// or die "rev-list --parents -1 $c failed!\n";
2066 @{$parents->{$c}} = split(/ /, $p);
2069 sub linearize_history {
2070 my ($gs, $refs) = @_;
2071 my %parents;
2072 foreach my $c (@$refs) {
2073 read_commit_parents(\%parents, $c);
2076 my @linear_refs;
2077 my %skip = ();
2078 my $last_svn_commit = $gs->last_commit;
2079 foreach my $c (reverse @$refs) {
2080 next if $c eq $last_svn_commit;
2081 last if $skip{$c};
2083 unshift @linear_refs, $c;
2084 $skip{$c} = 1;
2086 # we only want the first parent to diff against for linear
2087 # history, we save the rest to inject when we finalize the
2088 # svn commit
2089 my $fp_a = verify_ref("$c~1");
2090 my $fp_b = shift @{$parents{$c}} if $parents{$c};
2091 if (!$fp_a || !$fp_b) {
2092 die "Commit $c\n",
2093 "has no parent commit, and therefore ",
2094 "nothing to diff against.\n",
2095 "You should be working from a repository ",
2096 "originally created by git-svn\n";
2098 if ($fp_a ne $fp_b) {
2099 die "$c~1 = $fp_a, however parsing commit $c ",
2100 "revealed that:\n$c~1 = $fp_b\nBUG!\n";
2103 foreach my $p (@{$parents{$c}}) {
2104 $skip{$p} = 1;
2107 (\@linear_refs, \%parents);
2110 sub find_file_type_and_diff_status {
2111 my ($path) = @_;
2112 return ('dir', '') if $path eq '';
2114 my $diff_output =
2115 command_oneline(qw(diff --cached --name-status --), $path) || "";
2116 my $diff_status = (split(' ', $diff_output))[0] || "";
2118 my $ls_tree = command_oneline(qw(ls-tree HEAD), $path) || "";
2120 return (undef, undef) if !$diff_status && !$ls_tree;
2122 if ($diff_status eq "A") {
2123 return ("link", $diff_status) if -l $path;
2124 return ("dir", $diff_status) if -d $path;
2125 return ("file", $diff_status);
2128 my $mode = (split(' ', $ls_tree))[0] || "";
2130 return ("link", $diff_status) if $mode eq "120000";
2131 return ("dir", $diff_status) if $mode eq "040000";
2132 return ("file", $diff_status);
2135 sub md5sum {
2136 my $arg = shift;
2137 my $ref = ref $arg;
2138 require Digest::MD5;
2139 my $md5 = Digest::MD5->new();
2140 if ($ref eq 'GLOB' || $ref eq 'IO::File' || $ref eq 'File::Temp') {
2141 $md5->addfile($arg) or croak $!;
2142 } elsif ($ref eq 'SCALAR') {
2143 $md5->add($$arg) or croak $!;
2144 } elsif (!$ref) {
2145 $md5->add($arg) or croak $!;
2146 } else {
2147 fatal "Can't provide MD5 hash for unknown ref type: '", $ref, "'";
2149 return $md5->hexdigest();
2152 sub gc_directory {
2153 if (can_compress() && -f $_ && basename($_) eq "unhandled.log") {
2154 my $out_filename = $_ . ".gz";
2155 open my $in_fh, "<", $_ or die "Unable to open $_: $!\n";
2156 binmode $in_fh;
2157 my $gz = Compress::Zlib::gzopen($out_filename, "ab") or
2158 die "Unable to open $out_filename: $!\n";
2160 my $res;
2161 while ($res = sysread($in_fh, my $str, 1024)) {
2162 $gz->gzwrite($str) or
2163 die "Unable to write: ".$gz->gzerror()."!\n";
2165 no warnings 'once'; # $File::Find::name would warn
2166 unlink $_ or die "unlink $File::Find::name: $!\n";
2167 } elsif (-f $_ && basename($_) eq "index") {
2168 unlink $_ or die "unlink $_: $!\n";
2172 __END__
2174 Data structures:
2177 $remotes = { # returned by read_all_remotes()
2178 'svn' => {
2179 # svn-remote.svn.url=https://svn.musicpd.org
2180 url => 'https://svn.musicpd.org',
2181 # svn-remote.svn.fetch=mpd/trunk:trunk
2182 fetch => {
2183 'mpd/trunk' => 'trunk',
2185 # svn-remote.svn.tags=mpd/tags/*:tags/*
2186 tags => {
2187 path => {
2188 left => 'mpd/tags',
2189 right => '',
2190 regex => qr!mpd/tags/([^/]+)$!,
2191 glob => 'tags/*',
2193 ref => {
2194 left => 'tags',
2195 right => '',
2196 regex => qr!tags/([^/]+)$!,
2197 glob => 'tags/*',
2203 $log_entry hashref as returned by libsvn_log_entry()
2205 log => 'whitespace-formatted log entry
2206 ', # trailing newline is preserved
2207 revision => '8', # integer
2208 date => '2004-02-24T17:01:44.108345Z', # commit date
2209 author => 'committer name'
2213 # this is generated by generate_diff();
2214 @mods = array of diff-index line hashes, each element represents one line
2215 of diff-index output
2217 diff-index line ($m hash)
2219 mode_a => first column of diff-index output, no leading ':',
2220 mode_b => second column of diff-index output,
2221 sha1_b => sha1sum of the final blob,
2222 chg => change type [MCRADT],
2223 file_a => original file name of a file (iff chg is 'C' or 'R')
2224 file_b => new/current file name of a file (any chg)
2228 # retval of read_url_paths{,_all}();
2229 $l_map = {
2230 # repository root url
2231 'https://svn.musicpd.org' => {
2232 # repository path # GIT_SVN_ID
2233 'mpd/trunk' => 'trunk',
2234 'mpd/tags/0.11.5' => 'tags/0.11.5',
2238 Notes:
2239 I don't trust the each() function on unless I created %hash myself
2240 because the internal iterator may not have started at base.