parse-options: factor out register_abbrev() and struct parsed_option
[git.git] / git-svn.perl
blobb0d0a50984bcea740f9486deda974aa3e53cbe1c
1 #!/usr/bin/perl
2 # Copyright (C) 2006, Eric Wong <normalperson@yhbt.net>
3 # License: GPL v2 or later
4 use 5.008001;
5 use warnings $ENV{GIT_PERL_FATAL_WARNINGS} ? qw(FATAL all) : ();
6 use strict;
7 use vars qw/ $AUTHOR $VERSION
8 $oid $oid_short $oid_length
9 $_revision $_repository
10 $_q $_authors $_authors_prog %users/;
11 $AUTHOR = 'Eric Wong <normalperson@yhbt.net>';
12 $VERSION = '@@GIT_VERSION@@';
14 use Carp qw/croak/;
15 use File::Basename qw/dirname basename/;
16 use File::Path qw/mkpath/;
17 use File::Spec;
18 use Getopt::Long qw/:config gnu_getopt no_ignore_case auto_abbrev/;
19 use Memoize;
21 use Git::SVN;
22 use Git::SVN::Editor;
23 use Git::SVN::Fetcher;
24 use Git::SVN::Ra;
25 use Git::SVN::Prompt;
26 use Git::SVN::Log;
27 use Git::SVN::Migration;
29 use Git::SVN::Utils qw(
30 fatal
31 can_compress
32 canonicalize_path
33 canonicalize_url
34 join_paths
35 add_path_to_url
36 join_paths
39 use Git qw(
40 git_cmd_try
41 command
42 command_oneline
43 command_noisy
44 command_output_pipe
45 command_close_pipe
46 command_bidi_pipe
47 command_close_bidi_pipe
48 get_record
51 BEGIN {
52 Memoize::memoize 'Git::config';
53 Memoize::memoize 'Git::config_bool';
57 # From which subdir have we been invoked?
58 my $cmd_dir_prefix = eval {
59 command_oneline([qw/rev-parse --show-prefix/], STDERR => 0)
60 } || '';
62 $Git::SVN::Ra::_log_window_size = 100;
64 if (! exists $ENV{SVN_SSH} && exists $ENV{GIT_SSH}) {
65 $ENV{SVN_SSH} = $ENV{GIT_SSH};
68 if (exists $ENV{SVN_SSH} && $^O eq 'msys') {
69 $ENV{SVN_SSH} =~ s/\\/\\\\/g;
70 $ENV{SVN_SSH} =~ s/(.*)/"$1"/;
73 $Git::SVN::Log::TZ = $ENV{TZ};
74 $ENV{TZ} = 'UTC';
75 $| = 1; # unbuffer STDOUT
77 # All SVN commands do it. Otherwise we may die on SIGPIPE when the remote
78 # repository decides to close the connection which we expect to be kept alive.
79 $SIG{PIPE} = 'IGNORE';
81 # Given a dot separated version number, "subtract" it from
82 # the SVN::Core::VERSION; non-negaitive return means the SVN::Core
83 # is at least at the version the caller asked for.
84 sub compare_svn_version {
85 my (@ours) = split(/\./, $SVN::Core::VERSION);
86 my (@theirs) = split(/\./, $_[0]);
87 my ($i, $diff);
89 for ($i = 0; $i < @ours && $i < @theirs; $i++) {
90 $diff = $ours[$i] - $theirs[$i];
91 return $diff if ($diff);
93 return 1 if ($i < @ours);
94 return -1 if ($i < @theirs);
95 return 0;
98 sub _req_svn {
99 require SVN::Core; # use()-ing this causes segfaults for me... *shrug*
100 require SVN::Ra;
101 require SVN::Delta;
102 if (::compare_svn_version('1.1.0') < 0) {
103 fatal "Need SVN::Core 1.1.0 or better (got $SVN::Core::VERSION)";
107 $oid = qr/(?:[a-f\d]{40}(?:[a-f\d]{24})?)/;
108 $oid_short = qr/[a-f\d]{4,64}/;
109 $oid_length = 40;
110 my ($_stdin, $_help, $_edit,
111 $_message, $_file, $_branch_dest,
112 $_template, $_shared,
113 $_version, $_fetch_all, $_no_rebase, $_fetch_parent,
114 $_before, $_after,
115 $_merge, $_strategy, $_rebase_merges, $_dry_run, $_parents, $_local,
116 $_prefix, $_no_checkout, $_url, $_verbose,
117 $_commit_url, $_tag, $_merge_info, $_interactive, $_set_svn_props);
119 # This is a refactoring artifact so Git::SVN can get at this git-svn switch.
120 sub opt_prefix { return $_prefix || '' }
122 $Git::SVN::Fetcher::_placeholder_filename = ".gitignore";
123 $_q ||= 0;
124 my %remote_opts = ( 'username=s' => \$Git::SVN::Prompt::_username,
125 'config-dir=s' => \$Git::SVN::Ra::config_dir,
126 'no-auth-cache' => \$Git::SVN::Prompt::_no_auth_cache,
127 'ignore-paths=s' => \$Git::SVN::Fetcher::_ignore_regex,
128 'include-paths=s' => \$Git::SVN::Fetcher::_include_regex,
129 'ignore-refs=s' => \$Git::SVN::Ra::_ignore_refs_regex );
130 my %fc_opts = ( 'follow-parent|follow!' => \$Git::SVN::_follow_parent,
131 'authors-file|A=s' => \$_authors,
132 'authors-prog=s' => \$_authors_prog,
133 'repack:i' => \$Git::SVN::_repack,
134 'noMetadata' => \$Git::SVN::_no_metadata,
135 'useSvmProps' => \$Git::SVN::_use_svm_props,
136 'useSvnsyncProps' => \$Git::SVN::_use_svnsync_props,
137 'log-window-size=i' => \$Git::SVN::Ra::_log_window_size,
138 'no-checkout' => \$_no_checkout,
139 'quiet|q+' => \$_q,
140 'repack-flags|repack-args|repack-opts=s' =>
141 \$Git::SVN::_repack_flags,
142 'use-log-author' => \$Git::SVN::_use_log_author,
143 'add-author-from' => \$Git::SVN::_add_author_from,
144 'localtime' => \$Git::SVN::_localtime,
145 %remote_opts );
147 my ($_trunk, @_tags, @_branches, $_stdlayout);
148 my %icv;
149 my %init_opts = ( 'template=s' => \$_template, 'shared:s' => \$_shared,
150 'trunk|T=s' => \$_trunk, 'tags|t=s@' => \@_tags,
151 'branches|b=s@' => \@_branches, 'prefix=s' => \$_prefix,
152 'stdlayout|s' => \$_stdlayout,
153 'minimize-url|m!' => \$Git::SVN::_minimize_url,
154 'no-metadata' => sub { $icv{noMetadata} = 1 },
155 'use-svm-props' => sub { $icv{useSvmProps} = 1 },
156 'use-svnsync-props' => sub { $icv{useSvnsyncProps} = 1 },
157 'rewrite-root=s' => sub { $icv{rewriteRoot} = $_[1] },
158 'rewrite-uuid=s' => sub { $icv{rewriteUUID} = $_[1] },
159 %remote_opts );
160 my %cmt_opts = ( 'edit|e' => \$_edit,
161 'rmdir' => \$Git::SVN::Editor::_rmdir,
162 'find-copies-harder' => \$Git::SVN::Editor::_find_copies_harder,
163 'l=i' => \$Git::SVN::Editor::_rename_limit,
164 'copy-similarity|C=i'=> \$Git::SVN::Editor::_cp_similarity
167 my %cmd = (
168 fetch => [ \&cmd_fetch, "Download new revisions from SVN",
169 { 'revision|r=s' => \$_revision,
170 'fetch-all|all' => \$_fetch_all,
171 'parent|p' => \$_fetch_parent,
172 %fc_opts } ],
173 clone => [ \&cmd_clone, "Initialize and fetch revisions",
174 { 'revision|r=s' => \$_revision,
175 'preserve-empty-dirs' =>
176 \$Git::SVN::Fetcher::_preserve_empty_dirs,
177 'placeholder-filename=s' =>
178 \$Git::SVN::Fetcher::_placeholder_filename,
179 %fc_opts, %init_opts } ],
180 init => [ \&cmd_init, "Initialize a repo for tracking" .
181 " (requires URL argument)",
182 \%init_opts ],
183 'multi-init' => [ \&cmd_multi_init,
184 "Deprecated alias for ".
185 "'$0 init -T<trunk> -b<branches> -t<tags>'",
186 \%init_opts ],
187 dcommit => [ \&cmd_dcommit,
188 'Commit several diffs to merge with upstream',
189 { 'merge|m|M' => \$_merge,
190 'strategy|s=s' => \$_strategy,
191 'verbose|v' => \$_verbose,
192 'dry-run|n' => \$_dry_run,
193 'fetch-all|all' => \$_fetch_all,
194 'commit-url=s' => \$_commit_url,
195 'set-svn-props=s' => \$_set_svn_props,
196 'revision|r=i' => \$_revision,
197 'no-rebase' => \$_no_rebase,
198 'mergeinfo=s' => \$_merge_info,
199 'interactive|i' => \$_interactive,
200 %cmt_opts, %fc_opts } ],
201 branch => [ \&cmd_branch,
202 'Create a branch in the SVN repository',
203 { 'message|m=s' => \$_message,
204 'destination|d=s' => \$_branch_dest,
205 'dry-run|n' => \$_dry_run,
206 'parents' => \$_parents,
207 'tag|t' => \$_tag,
208 'username=s' => \$Git::SVN::Prompt::_username,
209 'commit-url=s' => \$_commit_url } ],
210 tag => [ sub { $_tag = 1; cmd_branch(@_) },
211 'Create a tag in the SVN repository',
212 { 'message|m=s' => \$_message,
213 'destination|d=s' => \$_branch_dest,
214 'dry-run|n' => \$_dry_run,
215 'parents' => \$_parents,
216 'username=s' => \$Git::SVN::Prompt::_username,
217 'commit-url=s' => \$_commit_url } ],
218 'set-tree' => [ \&cmd_set_tree,
219 "Set an SVN repository to a git tree-ish",
220 { 'stdin' => \$_stdin, %cmt_opts, %fc_opts, } ],
221 'create-ignore' => [ \&cmd_create_ignore,
222 'Create a .gitignore per svn:ignore',
223 { 'revision|r=i' => \$_revision
224 } ],
225 'mkdirs' => [ \&cmd_mkdirs ,
226 "recreate empty directories after a checkout",
227 { 'revision|r=i' => \$_revision } ],
228 'propget' => [ \&cmd_propget,
229 'Print the value of a property on a file or directory',
230 { 'revision|r=i' => \$_revision } ],
231 'propset' => [ \&cmd_propset,
232 'Set the value of a property on a file or directory - will be set on commit',
233 {} ],
234 'proplist' => [ \&cmd_proplist,
235 'List all properties of a file or directory',
236 { 'revision|r=i' => \$_revision } ],
237 'show-ignore' => [ \&cmd_show_ignore, "Show svn:ignore listings",
238 { 'revision|r=i' => \$_revision
239 } ],
240 'show-externals' => [ \&cmd_show_externals, "Show svn:externals listings",
241 { 'revision|r=i' => \$_revision
242 } ],
243 'multi-fetch' => [ \&cmd_multi_fetch,
244 "Deprecated alias for $0 fetch --all",
245 { 'revision|r=s' => \$_revision, %fc_opts } ],
246 'migrate' => [ sub { },
247 # no-op, we automatically run this anyways,
248 'Migrate configuration/metadata/layout from
249 previous versions of git-svn',
250 { 'minimize' => \$Git::SVN::Migration::_minimize,
251 %remote_opts } ],
252 'log' => [ \&Git::SVN::Log::cmd_show_log, 'Show commit logs',
253 { 'limit=i' => \$Git::SVN::Log::limit,
254 'revision|r=s' => \$_revision,
255 'verbose|v' => \$Git::SVN::Log::verbose,
256 'incremental' => \$Git::SVN::Log::incremental,
257 'oneline' => \$Git::SVN::Log::oneline,
258 'show-commit' => \$Git::SVN::Log::show_commit,
259 'non-recursive' => \$Git::SVN::Log::non_recursive,
260 'authors-file|A=s' => \$_authors,
261 'color' => \$Git::SVN::Log::color,
262 'pager=s' => \$Git::SVN::Log::pager
263 } ],
264 'find-rev' => [ \&cmd_find_rev,
265 "Translate between SVN revision numbers and tree-ish",
266 { 'B|before' => \$_before,
267 'A|after' => \$_after } ],
268 'rebase' => [ \&cmd_rebase, "Fetch and rebase your working directory",
269 { 'merge|m|M' => \$_merge,
270 'verbose|v' => \$_verbose,
271 'strategy|s=s' => \$_strategy,
272 'local|l' => \$_local,
273 'fetch-all|all' => \$_fetch_all,
274 'dry-run|n' => \$_dry_run,
275 'rebase-merges|p' => \$_rebase_merges,
276 %fc_opts } ],
277 'commit-diff' => [ \&cmd_commit_diff,
278 'Commit a diff between two trees',
279 { 'message|m=s' => \$_message,
280 'file|F=s' => \$_file,
281 'revision|r=s' => \$_revision,
282 %cmt_opts } ],
283 'info' => [ \&cmd_info,
284 "Show info about the latest SVN revision
285 on the current branch",
286 { 'url' => \$_url, } ],
287 'blame' => [ \&Git::SVN::Log::cmd_blame,
288 "Show what revision and author last modified each line of a file",
289 { 'git-format' => \$Git::SVN::Log::_git_format } ],
290 'reset' => [ \&cmd_reset,
291 "Undo fetches back to the specified SVN revision",
292 { 'revision|r=s' => \$_revision,
293 'parent|p' => \$_fetch_parent } ],
294 'gc' => [ \&cmd_gc,
295 "Compress unhandled.log files in .git/svn and remove " .
296 "index files in .git/svn",
297 {} ],
300 my $term;
301 sub term_init {
302 require Term::ReadLine;
303 $term = $ENV{"GIT_SVN_NOTTY"}
304 ? new Term::ReadLine 'git-svn', \*STDIN, \*STDOUT
305 : new Term::ReadLine 'git-svn';
308 my $cmd;
309 for (my $i = 0; $i < @ARGV; $i++) {
310 if (defined $cmd{$ARGV[$i]}) {
311 $cmd = $ARGV[$i];
312 splice @ARGV, $i, 1;
313 last;
314 } elsif ($ARGV[$i] eq 'help') {
315 $cmd = $ARGV[$i+1];
316 usage(0);
320 # make sure we're always running at the top-level working directory
321 if ($cmd && $cmd =~ /(?:clone|init|multi-init)$/) {
322 $ENV{GIT_DIR} ||= ".git";
323 # catch the submodule case
324 if (-f $ENV{GIT_DIR}) {
325 open(my $fh, '<', $ENV{GIT_DIR}) or
326 die "failed to open $ENV{GIT_DIR}: $!\n";
327 $ENV{GIT_DIR} = $1 if <$fh> =~ /^gitdir: (.+)$/;
329 } elsif ($cmd) {
330 my ($git_dir, $cdup);
331 git_cmd_try {
332 $git_dir = command_oneline([qw/rev-parse --git-dir/]);
333 } "Unable to find .git directory\n";
334 git_cmd_try {
335 $cdup = command_oneline(qw/rev-parse --show-cdup/);
336 chomp $cdup if ($cdup);
337 $cdup = "." unless ($cdup && length $cdup);
338 } "Already at toplevel, but $git_dir not found\n";
339 $ENV{GIT_DIR} = $git_dir;
340 chdir $cdup or die "Unable to chdir up to '$cdup'\n";
341 $_repository = Git->repository(Repository => $ENV{GIT_DIR});
344 my %opts = %{$cmd{$cmd}->[2]} if (defined $cmd);
346 read_git_config(\%opts) if $ENV{GIT_DIR};
347 if ($cmd && ($cmd eq 'log' || $cmd eq 'blame')) {
348 Getopt::Long::Configure('pass_through');
350 my $rv = GetOptions(%opts, 'h|H' => \$_help, 'version|V' => \$_version,
351 'minimize-connections' => \$Git::SVN::Migration::_minimize,
352 'id|i=s' => \$Git::SVN::default_ref_id,
353 'svn-remote|remote|R=s' => sub {
354 $Git::SVN::no_reuse_existing = 1;
355 $Git::SVN::default_repo_id = $_[1] });
356 exit 1 if (!$rv && $cmd && $cmd ne 'log');
358 usage(0) if $_help;
359 version() if $_version;
360 usage(1) unless defined $cmd;
361 load_authors() if $_authors;
362 if (defined $_authors_prog) {
363 my $abs_file = File::Spec->rel2abs($_authors_prog);
364 $_authors_prog = "'" . $abs_file . "'" if -x $abs_file;
367 unless ($cmd =~ /^(?:clone|init|multi-init|commit-diff)$/) {
368 Git::SVN::Migration::migration_check();
370 Git::SVN::init_vars();
371 eval {
372 Git::SVN::verify_remotes_sanity();
373 $cmd{$cmd}->[0]->(@ARGV);
374 post_fetch_checkout();
376 fatal $@ if $@;
377 exit 0;
379 ####################### primary functions ######################
380 sub usage {
381 my $exit = shift || 0;
382 my $fd = $exit ? \*STDERR : \*STDOUT;
383 print $fd <<"";
384 git-svn - bidirectional operations between a single Subversion tree and git
385 usage: git svn <command> [options] [arguments]\n
387 print $fd "Available commands:\n" unless $cmd;
389 foreach (sort keys %cmd) {
390 next if $cmd && $cmd ne $_;
391 next if /^multi-/; # don't show deprecated commands
392 print $fd ' ',pack('A17',$_),$cmd{$_}->[1],"\n";
393 foreach (sort keys %{$cmd{$_}->[2]}) {
394 # mixed-case options are for .git/config only
395 next if /[A-Z]/ && /^[a-z]+$/i;
396 # prints out arguments as they should be passed:
397 my $x = s#[:=]s$## ? '<arg>' : s#[:=]i$## ? '<num>' : '';
398 print $fd ' ' x 21, join(', ', map { length $_ > 1 ?
399 "--$_" : "-$_" }
400 split /\|/,$_)," $x\n";
403 print $fd <<"";
404 \nGIT_SVN_ID may be set in the environment or via the --id/-i switch to an
405 arbitrary identifier if you're tracking multiple SVN branches/repositories in
406 one git repository and want to keep them separate. See git-svn(1) for more
407 information.
409 exit $exit;
412 sub version {
413 ::_req_svn();
414 print "git-svn version $VERSION (svn $SVN::Core::VERSION)\n";
415 exit 0;
418 sub ask {
419 my ($prompt, %arg) = @_;
420 my $valid_re = $arg{valid_re};
421 my $default = $arg{default};
422 my $resp;
423 my $i = 0;
424 term_init() unless $term;
426 if ( !( defined($term->IN)
427 && defined( fileno($term->IN) )
428 && defined( $term->OUT )
429 && defined( fileno($term->OUT) ) ) ){
430 return defined($default) ? $default : undef;
433 while ($i++ < 10) {
434 $resp = $term->readline($prompt);
435 if (!defined $resp) { # EOF
436 print "\n";
437 return defined $default ? $default : undef;
439 if ($resp eq '' and defined $default) {
440 return $default;
442 if (!defined $valid_re or $resp =~ /$valid_re/) {
443 return $resp;
446 return undef;
449 sub do_git_init_db {
450 unless (-d $ENV{GIT_DIR}) {
451 my @init_db = ('init');
452 push @init_db, "--template=$_template" if defined $_template;
453 if (defined $_shared) {
454 if ($_shared =~ /[a-z]/) {
455 push @init_db, "--shared=$_shared";
456 } else {
457 push @init_db, "--shared";
460 command_noisy(@init_db);
461 $_repository = Git->repository(Repository => ".git");
463 my $set;
464 my $pfx = "svn-remote.$Git::SVN::default_repo_id";
465 foreach my $i (keys %icv) {
466 die "'$set' and '$i' cannot both be set\n" if $set;
467 next unless defined $icv{$i};
468 command_noisy('config', "$pfx.$i", $icv{$i});
469 $set = $i;
471 my $ignore_paths_regex = \$Git::SVN::Fetcher::_ignore_regex;
472 command_noisy('config', "$pfx.ignore-paths", $$ignore_paths_regex)
473 if defined $$ignore_paths_regex;
474 my $include_paths_regex = \$Git::SVN::Fetcher::_include_regex;
475 command_noisy('config', "$pfx.include-paths", $$include_paths_regex)
476 if defined $$include_paths_regex;
477 my $ignore_refs_regex = \$Git::SVN::Ra::_ignore_refs_regex;
478 command_noisy('config', "$pfx.ignore-refs", $$ignore_refs_regex)
479 if defined $$ignore_refs_regex;
481 if (defined $Git::SVN::Fetcher::_preserve_empty_dirs) {
482 my $fname = \$Git::SVN::Fetcher::_placeholder_filename;
483 command_noisy('config', "$pfx.preserve-empty-dirs", 'true');
484 command_noisy('config', "$pfx.placeholder-filename", $$fname);
486 load_object_format();
489 sub init_subdir {
490 my $repo_path = shift or return;
491 mkpath([$repo_path]) unless -d $repo_path;
492 chdir $repo_path or die "Couldn't chdir to $repo_path: $!\n";
493 $ENV{GIT_DIR} = '.git';
494 $_repository = Git->repository(Repository => $ENV{GIT_DIR});
497 sub cmd_clone {
498 my ($url, $path) = @_;
499 if (!$url) {
500 die "SVN repository location required ",
501 "as a command-line argument\n";
502 } elsif (!defined $path &&
503 (defined $_trunk || @_branches || @_tags ||
504 defined $_stdlayout) &&
505 $url !~ m#^[a-z\+]+://#) {
506 $path = $url;
508 $path = basename($url) if !defined $path || !length $path;
509 my $authors_absolute = $_authors ? File::Spec->rel2abs($_authors) : "";
510 cmd_init($url, $path);
511 command_oneline('config', 'svn.authorsfile', $authors_absolute)
512 if $_authors;
513 Git::SVN::fetch_all($Git::SVN::default_repo_id);
516 sub cmd_init {
517 if (defined $_stdlayout) {
518 $_trunk = 'trunk' if (!defined $_trunk);
519 @_tags = 'tags' if (! @_tags);
520 @_branches = 'branches' if (! @_branches);
522 if (defined $_trunk || @_branches || @_tags) {
523 return cmd_multi_init(@_);
525 my $url = shift or die "SVN repository location required ",
526 "as a command-line argument\n";
527 $url = canonicalize_url($url);
528 init_subdir(@_);
529 do_git_init_db();
531 if ($Git::SVN::_minimize_url eq 'unset') {
532 $Git::SVN::_minimize_url = 0;
535 Git::SVN->init($url);
538 sub cmd_fetch {
539 if (grep /^\d+=./, @_) {
540 die "'<rev>=<commit>' fetch arguments are ",
541 "no longer supported.\n";
543 my ($remote) = @_;
544 if (@_ > 1) {
545 die "usage: $0 fetch [--all] [--parent] [svn-remote]\n";
547 $Git::SVN::no_reuse_existing = undef;
548 if ($_fetch_parent) {
549 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
550 unless ($gs) {
551 die "Unable to determine upstream SVN information from ",
552 "working tree history\n";
554 # just fetch, don't checkout.
555 $_no_checkout = 'true';
556 $_fetch_all ? $gs->fetch_all : $gs->fetch;
557 } elsif ($_fetch_all) {
558 cmd_multi_fetch();
559 } else {
560 $remote ||= $Git::SVN::default_repo_id;
561 Git::SVN::fetch_all($remote, Git::SVN::read_all_remotes());
565 sub cmd_set_tree {
566 my (@commits) = @_;
567 if ($_stdin || !@commits) {
568 print "Reading from stdin...\n";
569 @commits = ();
570 while (<STDIN>) {
571 if (/\b($oid_short)\b/o) {
572 unshift @commits, $1;
576 my @revs;
577 foreach my $c (@commits) {
578 my @tmp = command('rev-parse',$c);
579 if (scalar @tmp == 1) {
580 push @revs, $tmp[0];
581 } elsif (scalar @tmp > 1) {
582 push @revs, reverse(command('rev-list',@tmp));
583 } else {
584 fatal "Failed to rev-parse $c";
587 my $gs = Git::SVN->new;
588 my ($r_last, $cmt_last) = $gs->last_rev_commit;
589 $gs->fetch;
590 if (defined $gs->{last_rev} && $r_last != $gs->{last_rev}) {
591 fatal "There are new revisions that were fetched ",
592 "and need to be merged (or acknowledged) ",
593 "before committing.\nlast rev: $r_last\n",
594 " current: $gs->{last_rev}";
596 $gs->set_tree($_) foreach @revs;
597 print "Done committing ",scalar @revs," revisions to SVN\n";
598 unlink $gs->{index};
601 sub split_merge_info_range {
602 my ($range) = @_;
603 if ($range =~ /(\d+)-(\d+)/) {
604 return (int($1), int($2));
605 } else {
606 return (int($range), int($range));
610 sub combine_ranges {
611 my ($in) = @_;
613 my @fnums = ();
614 my @arr = split(/,/, $in);
615 for my $element (@arr) {
616 my ($start, $end) = split_merge_info_range($element);
617 push @fnums, $start;
620 my @sorted = @arr [ sort {
621 $fnums[$a] <=> $fnums[$b]
622 } 0..$#arr ];
624 my @return = ();
625 my $last = -1;
626 my $first = -1;
627 for my $element (@sorted) {
628 my ($start, $end) = split_merge_info_range($element);
630 if ($last == -1) {
631 $first = $start;
632 $last = $end;
633 next;
635 if ($start <= $last+1) {
636 if ($end > $last) {
637 $last = $end;
639 next;
641 if ($first == $last) {
642 push @return, "$first";
643 } else {
644 push @return, "$first-$last";
646 $first = $start;
647 $last = $end;
650 if ($first != -1) {
651 if ($first == $last) {
652 push @return, "$first";
653 } else {
654 push @return, "$first-$last";
658 return join(',', @return);
661 sub merge_revs_into_hash {
662 my ($hash, $minfo) = @_;
663 my @lines = split(' ', $minfo);
665 for my $line (@lines) {
666 my ($branchpath, $revs) = split(/:/, $line);
668 if (exists($hash->{$branchpath})) {
669 # Merge the two revision sets
670 my $combined = "$hash->{$branchpath},$revs";
671 $hash->{$branchpath} = combine_ranges($combined);
672 } else {
673 # Just do range combining for consolidation
674 $hash->{$branchpath} = combine_ranges($revs);
679 sub merge_merge_info {
680 my ($mergeinfo_one, $mergeinfo_two, $ignore_branch) = @_;
681 my %result_hash = ();
683 merge_revs_into_hash(\%result_hash, $mergeinfo_one);
684 merge_revs_into_hash(\%result_hash, $mergeinfo_two);
686 delete $result_hash{$ignore_branch} if $ignore_branch;
688 my $result = '';
689 # Sort below is for consistency's sake
690 for my $branchname (sort keys(%result_hash)) {
691 my $revlist = $result_hash{$branchname};
692 $result .= "$branchname:$revlist\n"
694 return $result;
697 sub populate_merge_info {
698 my ($d, $gs, $uuid, $linear_refs, $rewritten_parent) = @_;
700 my %parentshash;
701 read_commit_parents(\%parentshash, $d);
702 my @parents = @{$parentshash{$d}};
703 if ($#parents > 0) {
704 # Merge commit
705 my $all_parents_ok = 1;
706 my $aggregate_mergeinfo = '';
707 my $rooturl = $gs->repos_root;
708 my ($target_branch) = $gs->full_pushurl =~ /^\Q$rooturl\E(.*)/;
710 if (defined($rewritten_parent)) {
711 # Replace first parent with newly-rewritten version
712 shift @parents;
713 unshift @parents, $rewritten_parent;
716 foreach my $parent (@parents) {
717 my ($branchurl, $svnrev, $paruuid) =
718 cmt_metadata($parent);
720 unless (defined($svnrev)) {
721 # Should have been caught be preflight check
722 fatal "merge commit $d has ancestor $parent, but that change "
723 ."does not have git-svn metadata!";
725 unless ($branchurl =~ /^\Q$rooturl\E(.*)/) {
726 fatal "commit $parent git-svn metadata changed mid-run!";
728 my $branchpath = $1;
730 my $ra = Git::SVN::Ra->new($branchurl);
731 my (undef, undef, $props) =
732 $ra->get_dir(canonicalize_path("."), $svnrev);
733 my $par_mergeinfo = $props->{'svn:mergeinfo'};
734 unless (defined $par_mergeinfo) {
735 $par_mergeinfo = '';
737 # Merge previous mergeinfo values
738 $aggregate_mergeinfo =
739 merge_merge_info($aggregate_mergeinfo,
740 $par_mergeinfo,
741 $target_branch);
743 next if $parent eq $parents[0]; # Skip first parent
744 # Add new changes being placed in tree by merge
745 my @cmd = (qw/rev-list --reverse/,
746 $parent, qw/--not/);
747 foreach my $par (@parents) {
748 unless ($par eq $parent) {
749 push @cmd, $par;
752 my @revsin = ();
753 my ($revlist, $ctx) = command_output_pipe(@cmd);
754 while (<$revlist>) {
755 my $irev = $_;
756 chomp $irev;
757 my (undef, $csvnrev, undef) =
758 cmt_metadata($irev);
759 unless (defined $csvnrev) {
760 # A child is missing SVN annotations...
761 # this might be OK, or might not be.
762 warn "W:child $irev is merged into revision "
763 ."$d but does not have git-svn metadata. "
764 ."This means git-svn cannot determine the "
765 ."svn revision numbers to place into the "
766 ."svn:mergeinfo property. You must ensure "
767 ."a branch is entirely committed to "
768 ."SVN before merging it in order for "
769 ."svn:mergeinfo population to function "
770 ."properly";
772 push @revsin, $csvnrev;
774 command_close_pipe($revlist, $ctx);
776 last unless $all_parents_ok;
778 # We now have a list of all SVN revnos which are
779 # merged by this particular parent. Integrate them.
780 next if $#revsin == -1;
781 my $newmergeinfo = "$branchpath:" . join(',', @revsin);
782 $aggregate_mergeinfo =
783 merge_merge_info($aggregate_mergeinfo,
784 $newmergeinfo,
785 $target_branch);
787 if ($all_parents_ok and $aggregate_mergeinfo) {
788 return $aggregate_mergeinfo;
792 return undef;
795 sub dcommit_rebase {
796 my ($is_last, $current, $fetched_ref, $svn_error) = @_;
797 my @diff;
799 if ($svn_error) {
800 print STDERR "\nERROR from SVN:\n",
801 $svn_error->expanded_message, "\n";
803 unless ($_no_rebase) {
804 # we always want to rebase against the current HEAD,
805 # not any head that was passed to us
806 @diff = command('diff-tree', $current,
807 $fetched_ref, '--');
808 my @finish;
809 if (@diff) {
810 @finish = rebase_cmd();
811 print STDERR "W: $current and ", $fetched_ref,
812 " differ, using @finish:\n",
813 join("\n", @diff), "\n";
814 } elsif ($is_last) {
815 print "No changes between ", $current, " and ",
816 $fetched_ref,
817 "\nResetting to the latest ",
818 $fetched_ref, "\n";
819 @finish = qw/reset --mixed/;
821 command_noisy(@finish, $fetched_ref) if @finish;
823 if ($svn_error) {
824 die "ERROR: Not all changes have been committed into SVN"
825 .($_no_rebase ? ".\n" : ", however the committed\n"
826 ."ones (if any) seem to be successfully integrated "
827 ."into the working tree.\n")
828 ."Please see the above messages for details.\n";
830 return @diff;
833 sub cmd_dcommit {
834 my $head = shift;
835 command_noisy(qw/update-index --refresh/);
836 git_cmd_try { command_oneline(qw/diff-index --quiet HEAD --/) }
837 'Cannot dcommit with a dirty index. Commit your changes first, '
838 . "or stash them with `git stash'.\n";
839 $head ||= 'HEAD';
841 my $old_head;
842 if ($head ne 'HEAD') {
843 $old_head = eval {
844 command_oneline([qw/symbolic-ref -q HEAD/])
846 if ($old_head) {
847 $old_head =~ s{^refs/heads/}{};
848 } else {
849 $old_head = eval { command_oneline(qw/rev-parse HEAD/) };
851 command(['checkout', $head], STDERR => 0);
854 my @refs;
855 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD', \@refs);
856 unless ($gs) {
857 die "Unable to determine upstream SVN information from ",
858 "$head history.\nPerhaps the repository is empty.";
861 if (defined $_commit_url) {
862 $url = $_commit_url;
863 } else {
864 $url = eval { command_oneline('config', '--get',
865 "svn-remote.$gs->{repo_id}.commiturl") };
866 if (!$url) {
867 $url = $gs->full_pushurl
871 my $last_rev = $_revision if defined $_revision;
872 if ($url) {
873 print "Committing to $url ...\n";
875 my ($linear_refs, $parents) = linearize_history($gs, \@refs);
876 if ($_no_rebase && scalar(@$linear_refs) > 1) {
877 warn "Attempting to commit more than one change while ",
878 "--no-rebase is enabled.\n",
879 "If these changes depend on each other, re-running ",
880 "without --no-rebase may be required."
883 if (defined $_interactive){
884 my $ask_default = "y";
885 foreach my $d (@$linear_refs){
886 my ($fh, $ctx) = command_output_pipe(qw(show --summary), "$d");
887 while (<$fh>){
888 print $_;
890 command_close_pipe($fh, $ctx);
891 $_ = ask("Commit this patch to SVN? ([y]es (default)|[n]o|[q]uit|[a]ll): ",
892 valid_re => qr/^(?:yes|y|no|n|quit|q|all|a)/i,
893 default => $ask_default);
894 die "Commit this patch reply required" unless defined $_;
895 if (/^[nq]/i) {
896 exit(0);
897 } elsif (/^a/i) {
898 last;
903 my $expect_url = $url;
905 my $push_merge_info = eval {
906 command_oneline(qw/config --get svn.pushmergeinfo/)
908 if (not defined($push_merge_info)
909 or $push_merge_info eq "false"
910 or $push_merge_info eq "no"
911 or $push_merge_info eq "never") {
912 $push_merge_info = 0;
915 unless (defined($_merge_info) || ! $push_merge_info) {
916 # Preflight check of changes to ensure no issues with mergeinfo
917 # This includes check for uncommitted-to-SVN parents
918 # (other than the first parent, which we will handle),
919 # information from different SVN repos, and paths
920 # which are not underneath this repository root.
921 my $rooturl = $gs->repos_root;
922 Git::SVN::remove_username($rooturl);
923 foreach my $d (@$linear_refs) {
924 my %parentshash;
925 read_commit_parents(\%parentshash, $d);
926 my @realparents = @{$parentshash{$d}};
927 if ($#realparents > 0) {
928 # Merge commit
929 shift @realparents; # Remove/ignore first parent
930 foreach my $parent (@realparents) {
931 my ($branchurl, $svnrev, $paruuid) = cmt_metadata($parent);
932 unless (defined $paruuid) {
933 # A parent is missing SVN annotations...
934 # abort the whole operation.
935 fatal "$parent is merged into revision $d, "
936 ."but does not have git-svn metadata. "
937 ."Either dcommit the branch or use a "
938 ."local cherry-pick, FF merge, or rebase "
939 ."instead of an explicit merge commit.";
942 unless ($paruuid eq $uuid) {
943 # Parent has SVN metadata from different repository
944 fatal "merge parent $parent for change $d has "
945 ."git-svn uuid $paruuid, while current change "
946 ."has uuid $uuid!";
949 unless ($branchurl =~ /^\Q$rooturl\E(.*)/) {
950 # This branch is very strange indeed.
951 fatal "merge parent $parent for $d is on branch "
952 ."$branchurl, which is not under the "
953 ."git-svn root $rooturl!";
960 my $rewritten_parent;
961 my $current_head = command_oneline(qw/rev-parse HEAD/);
962 Git::SVN::remove_username($expect_url);
963 if (defined($_merge_info)) {
964 $_merge_info =~ tr{ }{\n};
966 while (1) {
967 my $d = shift @$linear_refs or last;
968 unless (defined $last_rev) {
969 (undef, $last_rev, undef) = cmt_metadata("$d~1");
970 unless (defined $last_rev) {
971 fatal "Unable to extract revision information ",
972 "from commit $d~1";
975 if ($_dry_run) {
976 print "diff-tree $d~1 $d\n";
977 } else {
978 my $cmt_rev;
980 unless (defined($_merge_info) || ! $push_merge_info) {
981 $_merge_info = populate_merge_info($d, $gs,
982 $uuid,
983 $linear_refs,
984 $rewritten_parent);
987 my %ed_opts = ( r => $last_rev,
988 log => get_commit_entry($d)->{log},
989 ra => Git::SVN::Ra->new($url),
990 config => SVN::Core::config_get_config(
991 $Git::SVN::Ra::config_dir
993 tree_a => "$d~1",
994 tree_b => $d,
995 editor_cb => sub {
996 print "Committed r$_[0]\n";
997 $cmt_rev = $_[0];
999 mergeinfo => $_merge_info,
1000 svn_path => '');
1002 my $err_handler = $SVN::Error::handler;
1003 $SVN::Error::handler = sub {
1004 my $err = shift;
1005 dcommit_rebase(1, $current_head, $gs->refname,
1006 $err);
1009 if (!Git::SVN::Editor->new(\%ed_opts)->apply_diff) {
1010 print "No changes\n$d~1 == $d\n";
1011 } elsif ($parents->{$d} && @{$parents->{$d}}) {
1012 $gs->{inject_parents_dcommit}->{$cmt_rev} =
1013 $parents->{$d};
1015 $_fetch_all ? $gs->fetch_all : $gs->fetch;
1016 $SVN::Error::handler = $err_handler;
1017 $last_rev = $cmt_rev;
1018 next if $_no_rebase;
1020 my @diff = dcommit_rebase(@$linear_refs == 0, $d,
1021 $gs->refname, undef);
1023 $rewritten_parent = command_oneline(qw/rev-parse/,
1024 $gs->refname);
1026 if (@diff) {
1027 $current_head = command_oneline(qw/rev-parse
1028 HEAD/);
1029 @refs = ();
1030 my ($url_, $rev_, $uuid_, $gs_) =
1031 working_head_info('HEAD', \@refs);
1032 my ($linear_refs_, $parents_) =
1033 linearize_history($gs_, \@refs);
1034 if (scalar(@$linear_refs) !=
1035 scalar(@$linear_refs_)) {
1036 fatal "# of revisions changed ",
1037 "\nbefore:\n",
1038 join("\n", @$linear_refs),
1039 "\n\nafter:\n",
1040 join("\n", @$linear_refs_), "\n",
1041 'If you are attempting to commit ',
1042 "merges, try running:\n\t",
1043 'git rebase --interactive',
1044 '--rebase-merges ',
1045 $gs->refname,
1046 "\nBefore dcommitting";
1048 if ($url_ ne $expect_url) {
1049 if ($url_ eq $gs->metadata_url) {
1050 print
1051 "Accepting rewritten URL:",
1052 " $url_\n";
1053 } else {
1054 fatal
1055 "URL mismatch after rebase:",
1056 " $url_ != $expect_url";
1059 if ($uuid_ ne $uuid) {
1060 fatal "uuid mismatch after rebase: ",
1061 "$uuid_ != $uuid";
1063 # remap parents
1064 my (%p, @l, $i);
1065 for ($i = 0; $i < scalar @$linear_refs; $i++) {
1066 my $new = $linear_refs_->[$i] or next;
1067 $p{$new} =
1068 $parents->{$linear_refs->[$i]};
1069 push @l, $new;
1071 $parents = \%p;
1072 $linear_refs = \@l;
1073 undef $last_rev;
1078 if ($old_head) {
1079 my $new_head = command_oneline(qw/rev-parse HEAD/);
1080 my $new_is_symbolic = eval {
1081 command_oneline(qw/symbolic-ref -q HEAD/);
1083 if ($new_is_symbolic) {
1084 print "dcommitted the branch ", $head, "\n";
1085 } else {
1086 print "dcommitted on a detached HEAD because you gave ",
1087 "a revision argument.\n",
1088 "The rewritten commit is: ", $new_head, "\n";
1090 command(['checkout', $old_head], STDERR => 0);
1093 unlink $gs->{index};
1096 sub cmd_branch {
1097 my ($branch_name, $head) = @_;
1099 unless (defined $branch_name && length $branch_name) {
1100 die(($_tag ? "tag" : "branch") . " name required\n");
1102 $head ||= 'HEAD';
1104 my (undef, $rev, undef, $gs) = working_head_info($head);
1105 my $src = $gs->full_pushurl;
1107 my $remote = Git::SVN::read_all_remotes()->{$gs->{repo_id}};
1108 my $allglobs = $remote->{ $_tag ? 'tags' : 'branches' };
1109 my $glob;
1110 if ($#{$allglobs} == 0) {
1111 $glob = $allglobs->[0];
1112 } else {
1113 unless(defined $_branch_dest) {
1114 die "Multiple ",
1115 $_tag ? "tag" : "branch",
1116 " paths defined for Subversion repository.\n",
1117 "You must specify where you want to create the ",
1118 $_tag ? "tag" : "branch",
1119 " with the --destination argument.\n";
1121 foreach my $g (@{$allglobs}) {
1122 my $re = Git::SVN::Editor::glob2pat($g->{path}->{left});
1123 if ($_branch_dest =~ /$re/) {
1124 $glob = $g;
1125 last;
1128 unless (defined $glob) {
1129 my $dest_re = qr/\b\Q$_branch_dest\E\b/;
1130 foreach my $g (@{$allglobs}) {
1131 $g->{path}->{left} =~ /$dest_re/ or next;
1132 if (defined $glob) {
1133 die "Ambiguous destination: ",
1134 $_branch_dest, "\nmatches both '",
1135 $glob->{path}->{left}, "' and '",
1136 $g->{path}->{left}, "'\n";
1138 $glob = $g;
1140 unless (defined $glob) {
1141 die "Unknown ",
1142 $_tag ? "tag" : "branch",
1143 " destination $_branch_dest\n";
1147 my ($lft, $rgt) = @{ $glob->{path} }{qw/left right/};
1148 my $url;
1149 if (defined $_commit_url) {
1150 $url = $_commit_url;
1151 } else {
1152 $url = eval { command_oneline('config', '--get',
1153 "svn-remote.$gs->{repo_id}.commiturl") };
1154 if (!$url) {
1155 $url = $remote->{pushurl} || $remote->{url};
1158 my $dst = join '/', $url, $lft, $branch_name, ($rgt || ());
1160 if ($dst =~ /^https:/ && $src =~ /^http:/) {
1161 $src=~s/^http:/https:/;
1164 ::_req_svn();
1165 require SVN::Client;
1167 my ($config, $baton, undef) = Git::SVN::Ra::prepare_config_once();
1168 my $ctx = SVN::Client->new(
1169 auth => $baton,
1170 config => $config,
1171 log_msg => sub {
1172 ${ $_[0] } = defined $_message
1173 ? $_message
1174 : 'Create ' . ($_tag ? 'tag ' : 'branch ' )
1175 . $branch_name;
1179 eval {
1180 $ctx->ls($dst, 'HEAD', 0);
1181 } and die "branch ${branch_name} already exists\n";
1183 if ($_parents) {
1184 mk_parent_dirs($ctx, $dst);
1187 print "Copying ${src} at r${rev} to ${dst}...\n";
1188 $ctx->copy($src, $rev, $dst)
1189 unless $_dry_run;
1191 # Release resources held by ctx before creating another SVN::Ra
1192 # so destruction is orderly. This seems necessary with SVN 1.9.5
1193 # to avoid segfaults.
1194 $ctx = undef;
1196 $gs->fetch_all;
1199 sub mk_parent_dirs {
1200 my ($ctx, $parent) = @_;
1201 $parent =~ s{/[^/]*$}{};
1203 if (!eval{$ctx->ls($parent, 'HEAD', 0)}) {
1204 mk_parent_dirs($ctx, $parent);
1205 print "Creating parent folder ${parent} ...\n";
1206 $ctx->mkdir($parent) unless $_dry_run;
1210 sub cmd_find_rev {
1211 my $revision_or_hash = shift or die "SVN or git revision required ",
1212 "as a command-line argument\n";
1213 my $result;
1214 if ($revision_or_hash =~ /^r\d+$/) {
1215 my $head = shift;
1216 $head ||= 'HEAD';
1217 my @refs;
1218 my (undef, undef, $uuid, $gs) = working_head_info($head, \@refs);
1219 unless ($gs) {
1220 die "Unable to determine upstream SVN information from ",
1221 "$head history\n";
1223 my $desired_revision = substr($revision_or_hash, 1);
1224 if ($_before) {
1225 $result = $gs->find_rev_before($desired_revision, 1);
1226 } elsif ($_after) {
1227 $result = $gs->find_rev_after($desired_revision, 1);
1228 } else {
1229 $result = $gs->rev_map_get($desired_revision, $uuid);
1231 } else {
1232 my (undef, $rev, undef) = cmt_metadata($revision_or_hash);
1233 $result = $rev;
1235 print "$result\n" if $result;
1238 sub auto_create_empty_directories {
1239 my ($gs) = @_;
1240 my $var = eval { command_oneline('config', '--get', '--bool',
1241 "svn-remote.$gs->{repo_id}.automkdirs") };
1242 # By default, create empty directories by consulting the unhandled log,
1243 # but allow setting it to 'false' to skip it.
1244 return !($var && $var eq 'false');
1247 sub cmd_rebase {
1248 command_noisy(qw/update-index --refresh/);
1249 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1250 unless ($gs) {
1251 die "Unable to determine upstream SVN information from ",
1252 "working tree history\n";
1254 if ($_dry_run) {
1255 print "Remote Branch: " . $gs->refname . "\n";
1256 print "SVN URL: " . $url . "\n";
1257 return;
1259 if (command(qw/diff-index HEAD --/)) {
1260 print STDERR "Cannot rebase with uncommitted changes:\n";
1261 command_noisy('status');
1262 exit 1;
1264 unless ($_local) {
1265 # rebase will checkout for us, so no need to do it explicitly
1266 $_no_checkout = 'true';
1267 $_fetch_all ? $gs->fetch_all : $gs->fetch;
1269 command_noisy(rebase_cmd(), $gs->refname);
1270 if (auto_create_empty_directories($gs)) {
1271 $gs->mkemptydirs;
1275 sub cmd_show_ignore {
1276 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1277 $gs ||= Git::SVN->new;
1278 my $r = (defined $_revision ? $_revision : $gs->ra->get_latest_revnum);
1279 $gs->prop_walk($gs->path, $r, sub {
1280 my ($gs, $path, $props) = @_;
1281 print STDOUT "\n# $path\n";
1282 my $s = $props->{'svn:ignore'} or return;
1283 $s =~ s/[\r\n]+/\n/g;
1284 $s =~ s/^\n+//;
1285 chomp $s;
1286 $s =~ s#^#$path#gm;
1287 print STDOUT "$s\n";
1291 sub cmd_show_externals {
1292 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1293 $gs ||= Git::SVN->new;
1294 my $r = (defined $_revision ? $_revision : $gs->ra->get_latest_revnum);
1295 $gs->prop_walk($gs->path, $r, sub {
1296 my ($gs, $path, $props) = @_;
1297 print STDOUT "\n# $path\n";
1298 my $s = $props->{'svn:externals'} or return;
1299 $s =~ s/[\r\n]+/\n/g;
1300 chomp $s;
1301 $s =~ s#^#$path#gm;
1302 print STDOUT "$s\n";
1306 sub cmd_create_ignore {
1307 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1308 $gs ||= Git::SVN->new;
1309 my $r = (defined $_revision ? $_revision : $gs->ra->get_latest_revnum);
1310 $gs->prop_walk($gs->path, $r, sub {
1311 my ($gs, $path, $props) = @_;
1312 # $path is of the form /path/to/dir/
1313 $path = '.' . $path;
1314 # SVN can have attributes on empty directories,
1315 # which git won't track
1316 mkpath([$path]) unless -d $path;
1317 my $ignore = $path . '.gitignore';
1318 my $s = $props->{'svn:ignore'} or return;
1319 open(GITIGNORE, '>', $ignore)
1320 or fatal("Failed to open `$ignore' for writing: $!");
1321 $s =~ s/[\r\n]+/\n/g;
1322 $s =~ s/^\n+//;
1323 chomp $s;
1324 # Prefix all patterns so that the ignore doesn't apply
1325 # to sub-directories.
1326 $s =~ s#^#/#gm;
1327 print GITIGNORE "$s\n";
1328 close(GITIGNORE)
1329 or fatal("Failed to close `$ignore': $!");
1330 command_noisy('add', '-f', $ignore);
1334 sub cmd_mkdirs {
1335 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1336 $gs ||= Git::SVN->new;
1337 $gs->mkemptydirs($_revision);
1340 # get_svnprops(PATH)
1341 # ------------------
1342 # Helper for cmd_propget and cmd_proplist below.
1343 sub get_svnprops {
1344 my $path = shift;
1345 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1346 $gs ||= Git::SVN->new;
1348 # prefix THE PATH by the sub-directory from which the user
1349 # invoked us.
1350 $path = $cmd_dir_prefix . $path;
1351 fatal("No such file or directory: $path") unless -e $path;
1352 my $is_dir = -d $path ? 1 : 0;
1353 $path = join_paths($gs->path, $path);
1355 # canonicalize the path (otherwise libsvn will abort or fail to
1356 # find the file)
1357 $path = canonicalize_path($path);
1359 my $r = (defined $_revision ? $_revision : $gs->ra->get_latest_revnum);
1360 my $props;
1361 if ($is_dir) {
1362 (undef, undef, $props) = $gs->ra->get_dir($path, $r);
1364 else {
1365 (undef, $props) = $gs->ra->get_file($path, $r, undef);
1367 return $props;
1370 # cmd_propget (PROP, PATH)
1371 # ------------------------
1372 # Print the SVN property PROP for PATH.
1373 sub cmd_propget {
1374 my ($prop, $path) = @_;
1375 $path = '.' if not defined $path;
1376 usage(1) if not defined $prop;
1377 my $props = get_svnprops($path);
1378 if (not defined $props->{$prop}) {
1379 fatal("`$path' does not have a `$prop' SVN property.");
1381 print $props->{$prop} . "\n";
1384 # cmd_propset (PROPNAME, PROPVAL, PATH)
1385 # ------------------------
1386 # Adjust the SVN property PROPNAME to PROPVAL for PATH.
1387 sub cmd_propset {
1388 my ($propname, $propval, $path) = @_;
1389 $path = '.' if not defined $path;
1390 $path = $cmd_dir_prefix . $path;
1391 usage(1) if not defined $propname;
1392 usage(1) if not defined $propval;
1393 my $file = basename($path);
1394 my $dn = dirname($path);
1395 my $cur_props = Git::SVN::Editor::check_attr( "svn-properties", $path );
1396 my @new_props;
1397 if (!$cur_props || $cur_props eq "unset" || $cur_props eq "" || $cur_props eq "set") {
1398 push @new_props, "$propname=$propval";
1399 } else {
1400 # TODO: handle combining properties better
1401 my @props = split(/;/, $cur_props);
1402 my $replaced_prop;
1403 foreach my $prop (@props) {
1404 # Parse 'name=value' syntax and set the property.
1405 if ($prop =~ /([^=]+)=(.*)/) {
1406 my ($n,$v) = ($1,$2);
1407 if ($n eq $propname) {
1408 $v = $propval;
1409 $replaced_prop = 1;
1411 push @new_props, "$n=$v";
1414 if (!$replaced_prop) {
1415 push @new_props, "$propname=$propval";
1418 my $attrfile = "$dn/.gitattributes";
1419 open my $attrfh, '>>', $attrfile or die "Can't open $attrfile: $!\n";
1420 # TODO: don't simply append here if $file already has svn-properties
1421 my $new_props = join(';', @new_props);
1422 print $attrfh "$file svn-properties=$new_props\n" or
1423 die "write to $attrfile: $!\n";
1424 close $attrfh or die "close $attrfile: $!\n";
1427 # cmd_proplist (PATH)
1428 # -------------------
1429 # Print the list of SVN properties for PATH.
1430 sub cmd_proplist {
1431 my $path = shift;
1432 $path = '.' if not defined $path;
1433 my $props = get_svnprops($path);
1434 print "Properties on '$path':\n";
1435 foreach (sort keys %{$props}) {
1436 print " $_\n";
1440 sub cmd_multi_init {
1441 my $url = shift;
1442 unless (defined $_trunk || @_branches || @_tags) {
1443 usage(1);
1446 $_prefix = 'origin/' unless defined $_prefix;
1447 if (defined $url) {
1448 $url = canonicalize_url($url);
1449 init_subdir(@_);
1451 do_git_init_db();
1452 if (defined $_trunk) {
1453 $_trunk =~ s#^/+##;
1454 my $trunk_ref = 'refs/remotes/' . $_prefix . 'trunk';
1455 # try both old-style and new-style lookups:
1456 my $gs_trunk = eval { Git::SVN->new($trunk_ref) };
1457 unless ($gs_trunk) {
1458 my ($trunk_url, $trunk_path) =
1459 complete_svn_url($url, $_trunk);
1460 $gs_trunk = Git::SVN->init($trunk_url, $trunk_path,
1461 undef, $trunk_ref);
1464 return unless @_branches || @_tags;
1465 my $ra = $url ? Git::SVN::Ra->new($url) : undef;
1466 foreach my $path (@_branches) {
1467 complete_url_ls_init($ra, $path, '--branches/-b', $_prefix);
1469 foreach my $path (@_tags) {
1470 complete_url_ls_init($ra, $path, '--tags/-t', $_prefix.'tags/');
1474 sub cmd_multi_fetch {
1475 $Git::SVN::no_reuse_existing = undef;
1476 my $remotes = Git::SVN::read_all_remotes();
1477 foreach my $repo_id (sort keys %$remotes) {
1478 if ($remotes->{$repo_id}->{url}) {
1479 Git::SVN::fetch_all($repo_id, $remotes);
1484 # this command is special because it requires no metadata
1485 sub cmd_commit_diff {
1486 my ($ta, $tb, $url) = @_;
1487 my $usage = "usage: $0 commit-diff -r<revision> ".
1488 "<tree-ish> <tree-ish> [<URL>]";
1489 fatal($usage) if (!defined $ta || !defined $tb);
1490 my $svn_path = '';
1491 if (!defined $url) {
1492 my $gs = eval { Git::SVN->new };
1493 if (!$gs) {
1494 fatal("Needed URL or usable git-svn --id in ",
1495 "the command-line\n", $usage);
1497 $url = $gs->url;
1498 $svn_path = $gs->path;
1500 unless (defined $_revision) {
1501 fatal("-r|--revision is a required argument\n", $usage);
1503 if (defined $_message && defined $_file) {
1504 fatal("Both --message/-m and --file/-F specified ",
1505 "for the commit message.\n",
1506 "I have no idea what you mean");
1508 if (defined $_file) {
1509 $_message = file_to_s($_file);
1510 } else {
1511 $_message ||= get_commit_entry($tb)->{log};
1513 my $ra ||= Git::SVN::Ra->new($url);
1514 my $r = $_revision;
1515 if ($r eq 'HEAD') {
1516 $r = $ra->get_latest_revnum;
1517 } elsif ($r !~ /^\d+$/) {
1518 die "revision argument: $r not understood by git-svn\n";
1520 my %ed_opts = ( r => $r,
1521 log => $_message,
1522 ra => $ra,
1523 tree_a => $ta,
1524 tree_b => $tb,
1525 editor_cb => sub { print "Committed r$_[0]\n" },
1526 svn_path => $svn_path );
1527 if (!Git::SVN::Editor->new(\%ed_opts)->apply_diff) {
1528 print "No changes\n$ta == $tb\n";
1532 sub cmd_info {
1533 my $path_arg = defined($_[0]) ? $_[0] : '.';
1534 my $path = $path_arg;
1535 if (File::Spec->file_name_is_absolute($path)) {
1536 $path = canonicalize_path($path);
1538 my $toplevel = eval {
1539 my @cmd = qw/rev-parse --show-toplevel/;
1540 command_oneline(\@cmd, STDERR => 0);
1543 # remove $toplevel from the absolute path:
1544 my ($vol, $dirs, $file) = File::Spec->splitpath($path);
1545 my (undef, $tdirs, $tfile) = File::Spec->splitpath($toplevel);
1546 my @dirs = File::Spec->splitdir($dirs);
1547 my @tdirs = File::Spec->splitdir($tdirs);
1548 pop @dirs if $dirs[-1] eq '';
1549 pop @tdirs if $tdirs[-1] eq '';
1550 push @dirs, $file;
1551 push @tdirs, $tfile;
1552 while (@tdirs && @dirs && $tdirs[0] eq $dirs[0]) {
1553 shift @dirs;
1554 shift @tdirs;
1556 $dirs = File::Spec->catdir(@dirs);
1557 $path = File::Spec->catpath($vol, $dirs);
1559 $path = canonicalize_path($path);
1560 } else {
1561 $path = canonicalize_path($cmd_dir_prefix . $path);
1563 if (exists $_[1]) {
1564 die "Too many arguments specified\n";
1567 my ($file_type, $diff_status) = find_file_type_and_diff_status($path);
1569 if (!$file_type && !$diff_status) {
1570 print STDERR "svn: '$path' is not under version control\n";
1571 exit 1;
1574 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1575 unless ($gs) {
1576 die "Unable to determine upstream SVN information from ",
1577 "working tree history\n";
1580 # canonicalize_path() will return "" to make libsvn 1.5.x happy,
1581 $path = "." if $path eq "";
1583 my $full_url = canonicalize_url( add_path_to_url( $url, $path ) );
1585 if ($_url) {
1586 print "$full_url\n";
1587 return;
1590 my $result = "Path: $path_arg\n";
1591 $result .= "Name: " . basename($path) . "\n" if $file_type ne "dir";
1592 $result .= "URL: $full_url\n";
1594 eval {
1595 my $repos_root = $gs->repos_root;
1596 Git::SVN::remove_username($repos_root);
1597 $result .= "Repository Root: " . canonicalize_url($repos_root) . "\n";
1599 if ($@) {
1600 $result .= "Repository Root: (offline)\n";
1602 ::_req_svn();
1603 $result .= "Repository UUID: $uuid\n" unless $diff_status eq "A" &&
1604 (::compare_svn_version('1.5.4') <= 0 || $file_type ne "dir");
1605 $result .= "Revision: " . ($diff_status eq "A" ? 0 : $rev) . "\n";
1607 $result .= "Node Kind: " .
1608 ($file_type eq "dir" ? "directory" : "file") . "\n";
1610 my $schedule = $diff_status eq "A"
1611 ? "add"
1612 : ($diff_status eq "D" ? "delete" : "normal");
1613 $result .= "Schedule: $schedule\n";
1615 if ($diff_status eq "A") {
1616 print $result, "\n";
1617 return;
1620 my ($lc_author, $lc_rev, $lc_date_utc);
1621 my @args = Git::SVN::Log::git_svn_log_cmd($rev, $rev, "--", $path);
1622 my $log = command_output_pipe(@args);
1623 my $esc_color = qr/(?:\033\[(?:(?:\d+;)*\d*)?m)*/;
1624 while (<$log>) {
1625 if (/^${esc_color}author (.+) <[^>]+> (\d+) ([\-\+]?\d+)$/o) {
1626 $lc_author = $1;
1627 $lc_date_utc = Git::SVN::Log::parse_git_date($2, $3);
1628 } elsif (/^${esc_color} (git-svn-id:.+)$/o) {
1629 (undef, $lc_rev, undef) = ::extract_metadata($1);
1632 close $log;
1634 Git::SVN::Log::set_local_timezone();
1636 $result .= "Last Changed Author: $lc_author\n";
1637 $result .= "Last Changed Rev: $lc_rev\n";
1638 $result .= "Last Changed Date: " .
1639 Git::SVN::Log::format_svn_date($lc_date_utc) . "\n";
1641 if ($file_type ne "dir") {
1642 my $text_last_updated_date =
1643 ($diff_status eq "D" ? $lc_date_utc : (stat $path)[9]);
1644 $result .=
1645 "Text Last Updated: " .
1646 Git::SVN::Log::format_svn_date($text_last_updated_date) .
1647 "\n";
1648 my $checksum;
1649 if ($diff_status eq "D") {
1650 my ($fh, $ctx) =
1651 command_output_pipe(qw(cat-file blob), "HEAD:$path");
1652 if ($file_type eq "link") {
1653 my $file_name = <$fh>;
1654 $checksum = md5sum("link $file_name");
1655 } else {
1656 $checksum = md5sum($fh);
1658 command_close_pipe($fh, $ctx);
1659 } elsif ($file_type eq "link") {
1660 my $file_name =
1661 command(qw(cat-file blob), "HEAD:$path");
1662 $checksum =
1663 md5sum("link " . $file_name);
1664 } else {
1665 open FILE, "<", $path or die $!;
1666 $checksum = md5sum(\*FILE);
1667 close FILE or die $!;
1669 $result .= "Checksum: " . $checksum . "\n";
1672 print $result, "\n";
1675 sub cmd_reset {
1676 my $target = shift || $_revision or die "SVN revision required\n";
1677 $target = $1 if $target =~ /^r(\d+)$/;
1678 $target =~ /^\d+$/ or die "Numeric SVN revision expected\n";
1679 my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
1680 unless ($gs) {
1681 die "Unable to determine upstream SVN information from ".
1682 "history\n";
1684 my ($r, $c) = $gs->find_rev_before($target, not $_fetch_parent);
1685 die "Cannot find SVN revision $target\n" unless defined($c);
1686 $gs->rev_map_set($r, $c, 'reset', $uuid);
1687 print "r$r = $c ($gs->{ref_id})\n";
1690 sub cmd_gc {
1691 require File::Find;
1692 if (!can_compress()) {
1693 warn "Compress::Zlib could not be found; unhandled.log " .
1694 "files will not be compressed.\n";
1696 File::Find::find({ wanted => \&gc_directory, no_chdir => 1},
1697 Git::SVN::svn_dir());
1700 ########################### utility functions #########################
1702 sub rebase_cmd {
1703 my @cmd = qw/rebase/;
1704 push @cmd, '-v' if $_verbose;
1705 push @cmd, qw/--merge/ if $_merge;
1706 push @cmd, "--strategy=$_strategy" if $_strategy;
1707 push @cmd, "--rebase-merges" if $_rebase_merges;
1708 @cmd;
1711 sub post_fetch_checkout {
1712 return if $_no_checkout;
1713 return if verify_ref('HEAD^0');
1714 my $gs = $Git::SVN::_head or return;
1716 # look for "trunk" ref if it exists
1717 my $remote = Git::SVN::read_all_remotes()->{$gs->{repo_id}};
1718 my $fetch = $remote->{fetch};
1719 if ($fetch) {
1720 foreach my $p (keys %$fetch) {
1721 basename($fetch->{$p}) eq 'trunk' or next;
1722 $gs = Git::SVN->new($fetch->{$p}, $gs->{repo_id}, $p);
1723 last;
1727 command_noisy(qw(update-ref HEAD), $gs->refname);
1728 return unless verify_ref('HEAD^0');
1730 return if $ENV{GIT_DIR} !~ m#^(?:.*/)?\.git$#;
1731 my $index = command_oneline(qw(rev-parse --git-path index));
1732 return if -f $index;
1734 return if command_oneline(qw/rev-parse --is-inside-work-tree/) eq 'false';
1735 return if command_oneline(qw/rev-parse --is-inside-git-dir/) eq 'true';
1736 command_noisy(qw/read-tree -m -u -v HEAD HEAD/);
1737 print STDERR "Checked out HEAD:\n ",
1738 $gs->full_url, " r", $gs->last_rev, "\n";
1739 if (auto_create_empty_directories($gs)) {
1740 $gs->mkemptydirs($gs->last_rev);
1744 sub complete_svn_url {
1745 my ($url, $path) = @_;
1747 if ($path =~ m#^[a-z\+]+://#i) { # path is a URL
1748 $path = canonicalize_url($path);
1749 } else {
1750 $path = canonicalize_path($path);
1751 if (!defined $url || $url !~ m#^[a-z\+]+://#i) {
1752 fatal("E: '$path' is not a complete URL ",
1753 "and a separate URL is not specified");
1755 return ($url, $path);
1757 return ($path, '');
1760 sub complete_url_ls_init {
1761 my ($ra, $repo_path, $switch, $pfx) = @_;
1762 unless ($repo_path) {
1763 print STDERR "W: $switch not specified\n";
1764 return;
1766 if ($repo_path =~ m#^[a-z\+]+://#i) {
1767 $repo_path = canonicalize_url($repo_path);
1768 $ra = Git::SVN::Ra->new($repo_path);
1769 $repo_path = '';
1770 } else {
1771 $repo_path = canonicalize_path($repo_path);
1772 $repo_path =~ s#^/+##;
1773 unless ($ra) {
1774 fatal("E: '$repo_path' is not a complete URL ",
1775 "and a separate URL is not specified");
1778 my $url = $ra->url;
1779 my $gs = Git::SVN->init($url, undef, undef, undef, 1);
1780 my $k = "svn-remote.$gs->{repo_id}.url";
1781 my $orig_url = eval { command_oneline(qw/config --get/, $k) };
1782 if ($orig_url && ($orig_url ne $gs->url)) {
1783 die "$k already set: $orig_url\n",
1784 "wanted to set to: $gs->url\n";
1786 command_oneline('config', $k, $gs->url) unless $orig_url;
1788 my $remote_path = join_paths( $gs->path, $repo_path );
1789 $remote_path =~ s{%([0-9A-F]{2})}{chr hex($1)}ieg;
1790 $remote_path =~ s#^/##g;
1791 $remote_path .= "/*" if $remote_path !~ /\*/;
1792 my ($n) = ($switch =~ /^--(\w+)/);
1793 if (length $pfx && $pfx !~ m#/$#) {
1794 die "--prefix='$pfx' must have a trailing slash '/'\n";
1796 command_noisy('config',
1797 '--add',
1798 "svn-remote.$gs->{repo_id}.$n",
1799 "$remote_path:refs/remotes/$pfx*" .
1800 ('/*' x (($remote_path =~ tr/*/*/) - 1)) );
1803 sub verify_ref {
1804 my ($ref) = @_;
1805 eval { command_oneline([ 'rev-parse', '--verify', $ref ],
1806 { STDERR => 0 }); };
1809 sub get_tree_from_treeish {
1810 my ($treeish) = @_;
1811 # $treeish can be a symbolic ref, too:
1812 my $type = command_oneline(qw/cat-file -t/, $treeish);
1813 my $expected;
1814 while ($type eq 'tag') {
1815 ($treeish, $type) = command(qw/cat-file tag/, $treeish);
1817 if ($type eq 'commit') {
1818 $expected = (grep /^tree /, command(qw/cat-file commit/,
1819 $treeish))[0];
1820 ($expected) = ($expected =~ /^tree ($oid)$/o);
1821 die "Unable to get tree from $treeish\n" unless $expected;
1822 } elsif ($type eq 'tree') {
1823 $expected = $treeish;
1824 } else {
1825 die "$treeish is a $type, expected tree, tag or commit\n";
1827 return $expected;
1830 sub get_commit_entry {
1831 my ($treeish) = shift;
1832 my %log_entry = ( log => '', tree => get_tree_from_treeish($treeish) );
1833 my @git_path = qw(rev-parse --git-path);
1834 my $commit_editmsg = command_oneline(@git_path, 'COMMIT_EDITMSG');
1835 my $commit_msg = command_oneline(@git_path, 'COMMIT_MSG');
1836 open my $log_fh, '>', $commit_editmsg or croak $!;
1838 my $type = command_oneline(qw/cat-file -t/, $treeish);
1839 if ($type eq 'commit' || $type eq 'tag') {
1840 my ($msg_fh, $ctx) = command_output_pipe('cat-file',
1841 $type, $treeish);
1842 my $in_msg = 0;
1843 my $author;
1844 my $saw_from = 0;
1845 my $msgbuf = "";
1846 while (<$msg_fh>) {
1847 if (!$in_msg) {
1848 $in_msg = 1 if (/^$/);
1849 $author = $1 if (/^author (.*>)/);
1850 } elsif (/^git-svn-id: /) {
1851 # skip this for now, we regenerate the
1852 # correct one on re-fetch anyways
1853 # TODO: set *:merge properties or like...
1854 } else {
1855 if (/^From:/ || /^Signed-off-by:/) {
1856 $saw_from = 1;
1858 $msgbuf .= $_;
1861 $msgbuf =~ s/\s+$//s;
1862 $msgbuf =~ s/\r\n/\n/sg; # SVN 1.6+ disallows CRLF
1863 if ($Git::SVN::_add_author_from && defined($author)
1864 && !$saw_from) {
1865 $msgbuf .= "\n\nFrom: $author";
1867 print $log_fh $msgbuf or croak $!;
1868 command_close_pipe($msg_fh, $ctx);
1870 close $log_fh or croak $!;
1872 if ($_edit || ($type eq 'tree')) {
1873 chomp(my $editor = command_oneline(qw(var GIT_EDITOR)));
1874 system('sh', '-c', $editor.' "$@"', $editor, $commit_editmsg);
1876 rename $commit_editmsg, $commit_msg or croak $!;
1878 require Encode;
1879 # SVN requires messages to be UTF-8 when entering the repo
1880 open $log_fh, '<', $commit_msg or croak $!;
1881 binmode $log_fh;
1882 chomp($log_entry{log} = get_record($log_fh, undef));
1884 my $enc = Git::config('i18n.commitencoding') || 'UTF-8';
1885 my $msg = $log_entry{log};
1887 eval { $msg = Encode::decode($enc, $msg, 1) };
1888 if ($@) {
1889 die "Could not decode as $enc:\n", $msg,
1890 "\nPerhaps you need to set i18n.commitencoding\n";
1893 eval { $msg = Encode::encode('UTF-8', $msg, 1) };
1894 die "Could not encode as UTF-8:\n$msg\n" if $@;
1896 $log_entry{log} = $msg;
1898 close $log_fh or croak $!;
1900 unlink $commit_msg;
1901 \%log_entry;
1904 sub s_to_file {
1905 my ($str, $file, $mode) = @_;
1906 open my $fd,'>',$file or croak $!;
1907 print $fd $str,"\n" or croak $!;
1908 close $fd or croak $!;
1909 chmod ($mode &~ umask, $file) if (defined $mode);
1912 sub file_to_s {
1913 my $file = shift;
1914 open my $fd,'<',$file or croak "$!: file: $file\n";
1915 local $/;
1916 my $ret = <$fd>;
1917 close $fd or croak $!;
1918 $ret =~ s/\s*$//s;
1919 return $ret;
1922 # '<svn username> = real-name <email address>' mapping based on git-svnimport:
1923 sub load_authors {
1924 open my $authors, '<', $_authors or die "Can't open $_authors $!\n";
1925 my $log = $cmd eq 'log';
1926 while (<$authors>) {
1927 chomp;
1928 next unless /^(.+?|\(no author\))\s*=\s*(.+?)\s*<(.*)>\s*$/;
1929 my ($user, $name, $email) = ($1, $2, $3);
1930 if ($log) {
1931 $Git::SVN::Log::rusers{"$name <$email>"} = $user;
1932 } else {
1933 $users{$user} = [$name, $email];
1936 close $authors or croak $!;
1939 # convert GetOpt::Long specs for use by git-config
1940 sub read_git_config {
1941 my $opts = shift;
1942 my @config_only;
1943 foreach my $o (keys %$opts) {
1944 # if we have mixedCase and a long option-only, then
1945 # it's a config-only variable that we don't need for
1946 # the command-line.
1947 push @config_only, $o if ($o =~ /[A-Z]/ && $o =~ /^[a-z]+$/i);
1948 my $v = $opts->{$o};
1949 my ($key) = ($o =~ /^([a-zA-Z\-]+)/);
1950 $key =~ s/-//g;
1951 my $arg = 'git config';
1952 $arg .= ' --int' if ($o =~ /[:=]i$/);
1953 $arg .= ' --bool' if ($o !~ /[:=][sfi]$/);
1954 if (ref $v eq 'ARRAY') {
1955 chomp(my @tmp = `$arg --get-all svn.$key`);
1956 @$v = @tmp if @tmp;
1957 } else {
1958 chomp(my $tmp = `$arg --get svn.$key`);
1959 if ($tmp && !($arg =~ / --bool/ && $tmp eq 'false')) {
1960 $$v = $tmp;
1964 load_object_format();
1965 delete @$opts{@config_only} if @config_only;
1968 sub load_object_format {
1969 chomp(my $hash = `git config --get extensions.objectformat`);
1970 $::oid_length = 64 if $hash eq 'sha256';
1973 sub extract_metadata {
1974 my $id = shift or return (undef, undef, undef);
1975 my ($url, $rev, $uuid) = ($id =~ /^\s*git-svn-id:\s+(.*)\@(\d+)
1976 \s([a-f\d\-]+)$/ix);
1977 if (!defined $rev || !$uuid || !$url) {
1978 # some of the original repositories I made had
1979 # identifiers like this:
1980 ($rev, $uuid) = ($id =~/^\s*git-svn-id:\s(\d+)\@([a-f\d\-]+)/i);
1982 return ($url, $rev, $uuid);
1985 sub cmt_metadata {
1986 return extract_metadata((grep(/^git-svn-id: /,
1987 command(qw/cat-file commit/, shift)))[-1]);
1990 sub cmt_sha2rev_batch {
1991 my %s2r;
1992 my ($pid, $in, $out, $ctx) = command_bidi_pipe(qw/cat-file --batch/);
1993 my $list = shift;
1995 foreach my $sha (@{$list}) {
1996 my $first = 1;
1997 my $size = 0;
1998 print $out $sha, "\n";
2000 while (my $line = <$in>) {
2001 if ($first && $line =~ /^$::oid\smissing$/) {
2002 last;
2003 } elsif ($first &&
2004 $line =~ /^$::oid\scommit\s(\d+)$/) {
2005 $first = 0;
2006 $size = $1;
2007 next;
2008 } elsif ($line =~ /^(git-svn-id: )/) {
2009 my (undef, $rev, undef) =
2010 extract_metadata($line);
2011 $s2r{$sha} = $rev;
2014 $size -= length($line);
2015 last if ($size == 0);
2019 command_close_bidi_pipe($pid, $in, $out, $ctx);
2021 return \%s2r;
2024 sub working_head_info {
2025 my ($head, $refs) = @_;
2026 my @args = qw/rev-list --first-parent --pretty=medium/;
2027 my ($fh, $ctx) = command_output_pipe(@args, $head, "--");
2028 my $hash;
2029 my %max;
2030 while (<$fh>) {
2031 if ( m{^commit ($::oid)$} ) {
2032 unshift @$refs, $hash if $hash and $refs;
2033 $hash = $1;
2034 next;
2036 next unless s{^\s*(git-svn-id:)}{$1};
2037 my ($url, $rev, $uuid) = extract_metadata($_);
2038 if (defined $url && defined $rev) {
2039 next if $max{$url} and $max{$url} < $rev;
2040 if (my $gs = Git::SVN->find_by_url($url)) {
2041 my $c = $gs->rev_map_get($rev, $uuid);
2042 if ($c && $c eq $hash) {
2043 close $fh; # break the pipe
2044 return ($url, $rev, $uuid, $gs);
2045 } else {
2046 $max{$url} ||= $gs->rev_map_max;
2051 command_close_pipe($fh, $ctx);
2052 (undef, undef, undef, undef);
2055 sub read_commit_parents {
2056 my ($parents, $c) = @_;
2057 chomp(my $p = command_oneline(qw/rev-list --parents -1/, $c));
2058 $p =~ s/^($c)\s*// or die "rev-list --parents -1 $c failed!\n";
2059 @{$parents->{$c}} = split(/ /, $p);
2062 sub linearize_history {
2063 my ($gs, $refs) = @_;
2064 my %parents;
2065 foreach my $c (@$refs) {
2066 read_commit_parents(\%parents, $c);
2069 my @linear_refs;
2070 my %skip = ();
2071 my $last_svn_commit = $gs->last_commit;
2072 foreach my $c (reverse @$refs) {
2073 next if $c eq $last_svn_commit;
2074 last if $skip{$c};
2076 unshift @linear_refs, $c;
2077 $skip{$c} = 1;
2079 # we only want the first parent to diff against for linear
2080 # history, we save the rest to inject when we finalize the
2081 # svn commit
2082 my $fp_a = verify_ref("$c~1");
2083 my $fp_b = shift @{$parents{$c}} if $parents{$c};
2084 if (!$fp_a || !$fp_b) {
2085 die "Commit $c\n",
2086 "has no parent commit, and therefore ",
2087 "nothing to diff against.\n",
2088 "You should be working from a repository ",
2089 "originally created by git-svn\n";
2091 if ($fp_a ne $fp_b) {
2092 die "$c~1 = $fp_a, however parsing commit $c ",
2093 "revealed that:\n$c~1 = $fp_b\nBUG!\n";
2096 foreach my $p (@{$parents{$c}}) {
2097 $skip{$p} = 1;
2100 (\@linear_refs, \%parents);
2103 sub find_file_type_and_diff_status {
2104 my ($path) = @_;
2105 return ('dir', '') if $path eq '';
2107 my $diff_output =
2108 command_oneline(qw(diff --cached --name-status --), $path) || "";
2109 my $diff_status = (split(' ', $diff_output))[0] || "";
2111 my $ls_tree = command_oneline(qw(ls-tree HEAD), $path) || "";
2113 return (undef, undef) if !$diff_status && !$ls_tree;
2115 if ($diff_status eq "A") {
2116 return ("link", $diff_status) if -l $path;
2117 return ("dir", $diff_status) if -d $path;
2118 return ("file", $diff_status);
2121 my $mode = (split(' ', $ls_tree))[0] || "";
2123 return ("link", $diff_status) if $mode eq "120000";
2124 return ("dir", $diff_status) if $mode eq "040000";
2125 return ("file", $diff_status);
2128 sub md5sum {
2129 my $arg = shift;
2130 my $ref = ref $arg;
2131 require Digest::MD5;
2132 my $md5 = Digest::MD5->new();
2133 if ($ref eq 'GLOB' || $ref eq 'IO::File' || $ref eq 'File::Temp') {
2134 $md5->addfile($arg) or croak $!;
2135 } elsif ($ref eq 'SCALAR') {
2136 $md5->add($$arg) or croak $!;
2137 } elsif (!$ref) {
2138 $md5->add($arg) or croak $!;
2139 } else {
2140 fatal "Can't provide MD5 hash for unknown ref type: '", $ref, "'";
2142 return $md5->hexdigest();
2145 sub gc_directory {
2146 if (can_compress() && -f $_ && basename($_) eq "unhandled.log") {
2147 my $out_filename = $_ . ".gz";
2148 open my $in_fh, "<", $_ or die "Unable to open $_: $!\n";
2149 binmode $in_fh;
2150 my $gz = Compress::Zlib::gzopen($out_filename, "ab") or
2151 die "Unable to open $out_filename: $!\n";
2153 my $res;
2154 while ($res = sysread($in_fh, my $str, 1024)) {
2155 $gz->gzwrite($str) or
2156 die "Unable to write: ".$gz->gzerror()."!\n";
2158 no warnings 'once'; # $File::Find::name would warn
2159 unlink $_ or die "unlink $File::Find::name: $!\n";
2160 } elsif (-f $_ && basename($_) eq "index") {
2161 unlink $_ or die "unlink $_: $!\n";
2165 __END__
2167 Data structures:
2170 $remotes = { # returned by read_all_remotes()
2171 'svn' => {
2172 # svn-remote.svn.url=https://svn.musicpd.org
2173 url => 'https://svn.musicpd.org',
2174 # svn-remote.svn.fetch=mpd/trunk:trunk
2175 fetch => {
2176 'mpd/trunk' => 'trunk',
2178 # svn-remote.svn.tags=mpd/tags/*:tags/*
2179 tags => {
2180 path => {
2181 left => 'mpd/tags',
2182 right => '',
2183 regex => qr!mpd/tags/([^/]+)$!,
2184 glob => 'tags/*',
2186 ref => {
2187 left => 'tags',
2188 right => '',
2189 regex => qr!tags/([^/]+)$!,
2190 glob => 'tags/*',
2196 $log_entry hashref as returned by libsvn_log_entry()
2198 log => 'whitespace-formatted log entry
2199 ', # trailing newline is preserved
2200 revision => '8', # integer
2201 date => '2004-02-24T17:01:44.108345Z', # commit date
2202 author => 'committer name'
2206 # this is generated by generate_diff();
2207 @mods = array of diff-index line hashes, each element represents one line
2208 of diff-index output
2210 diff-index line ($m hash)
2212 mode_a => first column of diff-index output, no leading ':',
2213 mode_b => second column of diff-index output,
2214 sha1_b => sha1sum of the final blob,
2215 chg => change type [MCRADT],
2216 file_a => original file name of a file (iff chg is 'C' or 'R')
2217 file_b => new/current file name of a file (any chg)
2221 # retval of read_url_paths{,_all}();
2222 $l_map = {
2223 # repository root url
2224 'https://svn.musicpd.org' => {
2225 # repository path # GIT_SVN_ID
2226 'mpd/trunk' => 'trunk',
2227 'mpd/tags/0.11.5' => 'tags/0.11.5',
2231 Notes:
2232 I don't trust the each() function on unless I created %hash myself
2233 because the internal iterator may not have started at base.