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-rwxr-xr-xgit-svn.perl485
1 files changed, 468 insertions, 17 deletions
diff --git a/git-svn.perl b/git-svn.perl
index 9b046b693f..351e743a90 100755
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -1,6 +1,7 @@
#!/usr/bin/env perl
# Copyright (C) 2006, Eric Wong <normalperson@yhbt.net>
# License: GPL v2 or later
+use 5.008;
use warnings;
use strict;
use vars qw/ $AUTHOR $VERSION
@@ -58,6 +59,7 @@ use File::Find;
use Getopt::Long qw/:config gnu_getopt no_ignore_case auto_abbrev/;
use IPC::Open3;
use Git;
+use Memoize; # core since 5.8.0, Jul 2002
BEGIN {
# import functions from Git into our packages, en masse
@@ -71,6 +73,8 @@ BEGIN {
*{"${package}::$_"} = \&{"Git::$_"};
}
}
+ Memoize::memoize 'Git::config';
+ Memoize::memoize 'Git::config_bool';
}
my ($SVN);
@@ -83,8 +87,9 @@ my ($_stdin, $_help, $_edit,
$_version, $_fetch_all, $_no_rebase, $_fetch_parent,
$_merge, $_strategy, $_dry_run, $_local,
$_prefix, $_no_checkout, $_url, $_verbose,
- $_git_format, $_commit_url, $_tag);
+ $_git_format, $_commit_url, $_tag, $_merge_info);
$Git::SVN::_follow_parent = 1;
+$SVN::Git::Fetcher::_placeholder_filename = ".gitignore";
$_q ||= 0;
my %remote_opts = ( 'username=s' => \$Git::SVN::Prompt::_username,
'config-dir=s' => \$Git::SVN::Ra::config_dir,
@@ -135,6 +140,10 @@ my %cmd = (
%fc_opts } ],
clone => [ \&cmd_clone, "Initialize and fetch revisions",
{ 'revision|r=s' => \$_revision,
+ 'preserve-empty-dirs' =>
+ \$SVN::Git::Fetcher::_preserve_empty_dirs,
+ 'placeholder-filename=s' =>
+ \$SVN::Git::Fetcher::_placeholder_filename,
%fc_opts, %init_opts } ],
init => [ \&cmd_init, "Initialize a repo for tracking" .
" (requires URL argument)",
@@ -153,6 +162,7 @@ my %cmd = (
'commit-url=s' => \$_commit_url,
'revision|r=i' => \$_revision,
'no-rebase' => \$_no_rebase,
+ 'mergeinfo=s' => \$_merge_info,
%cmt_opts, %fc_opts } ],
branch => [ \&cmd_branch,
'Create a branch in the SVN repository',
@@ -381,6 +391,12 @@ sub do_git_init_db {
my $ignore_regex = \$SVN::Git::Fetcher::_ignore_regex;
command_noisy('config', "$pfx.ignore-paths", $$ignore_regex)
if defined $$ignore_regex;
+
+ if (defined $SVN::Git::Fetcher::_preserve_empty_dirs) {
+ my $fname = \$SVN::Git::Fetcher::_placeholder_filename;
+ command_noisy('config', "$pfx.preserve-empty-dirs", 'true');
+ command_noisy('config', "$pfx.placeholder-filename", $$fname);
+ }
}
sub init_subdir {
@@ -492,6 +508,195 @@ sub cmd_set_tree {
unlink $gs->{index};
}
+sub split_merge_info_range {
+ my ($range) = @_;
+ if ($range =~ /(\d+)-(\d+)/) {
+ return (int($1), int($2));
+ } else {
+ return (int($range), int($range));
+ }
+}
+
+sub combine_ranges {
+ my ($in) = @_;
+
+ my @fnums = ();
+ my @arr = split(/,/, $in);
+ for my $element (@arr) {
+ my ($start, $end) = split_merge_info_range($element);
+ push @fnums, $start;
+ }
+
+ my @sorted = @arr [ sort {
+ $fnums[$a] <=> $fnums[$b]
+ } 0..$#arr ];
+
+ my @return = ();
+ my $last = -1;
+ my $first = -1;
+ for my $element (@sorted) {
+ my ($start, $end) = split_merge_info_range($element);
+
+ if ($last == -1) {
+ $first = $start;
+ $last = $end;
+ next;
+ }
+ if ($start <= $last+1) {
+ if ($end > $last) {
+ $last = $end;
+ }
+ next;
+ }
+ if ($first == $last) {
+ push @return, "$first";
+ } else {
+ push @return, "$first-$last";
+ }
+ $first = $start;
+ $last = $end;
+ }
+
+ if ($first != -1) {
+ if ($first == $last) {
+ push @return, "$first";
+ } else {
+ push @return, "$first-$last";
+ }
+ }
+
+ return join(',', @return);
+}
+
+sub merge_revs_into_hash {
+ my ($hash, $minfo) = @_;
+ my @lines = split(' ', $minfo);
+
+ for my $line (@lines) {
+ my ($branchpath, $revs) = split(/:/, $line);
+
+ if (exists($hash->{$branchpath})) {
+ # Merge the two revision sets
+ my $combined = "$hash->{$branchpath},$revs";
+ $hash->{$branchpath} = combine_ranges($combined);
+ } else {
+ # Just do range combining for consolidation
+ $hash->{$branchpath} = combine_ranges($revs);
+ }
+ }
+}
+
+sub merge_merge_info {
+ my ($mergeinfo_one, $mergeinfo_two) = @_;
+ my %result_hash = ();
+
+ merge_revs_into_hash(\%result_hash, $mergeinfo_one);
+ merge_revs_into_hash(\%result_hash, $mergeinfo_two);
+
+ my $result = '';
+ # Sort below is for consistency's sake
+ for my $branchname (sort keys(%result_hash)) {
+ my $revlist = $result_hash{$branchname};
+ $result .= "$branchname:$revlist\n"
+ }
+ return $result;
+}
+
+sub populate_merge_info {
+ my ($d, $gs, $uuid, $linear_refs, $rewritten_parent) = @_;
+
+ my %parentshash;
+ read_commit_parents(\%parentshash, $d);
+ my @parents = @{$parentshash{$d}};
+ if ($#parents > 0) {
+ # Merge commit
+ my $all_parents_ok = 1;
+ my $aggregate_mergeinfo = '';
+ my $rooturl = $gs->repos_root;
+
+ if (defined($rewritten_parent)) {
+ # Replace first parent with newly-rewritten version
+ shift @parents;
+ unshift @parents, $rewritten_parent;
+ }
+
+ foreach my $parent (@parents) {
+ my ($branchurl, $svnrev, $paruuid) =
+ cmt_metadata($parent);
+
+ unless (defined($svnrev)) {
+ # Should have been caught be preflight check
+ fatal "merge commit $d has ancestor $parent, but that change "
+ ."does not have git-svn metadata!";
+ }
+ unless ($branchurl =~ /^$rooturl(.*)/) {
+ fatal "commit $parent git-svn metadata changed mid-run!";
+ }
+ my $branchpath = $1;
+
+ my $ra = Git::SVN::Ra->new($branchurl);
+ my (undef, undef, $props) =
+ $ra->get_dir(canonicalize_path("."), $svnrev);
+ my $par_mergeinfo = $props->{'svn:mergeinfo'};
+ unless (defined $par_mergeinfo) {
+ $par_mergeinfo = '';
+ }
+ # Merge previous mergeinfo values
+ $aggregate_mergeinfo =
+ merge_merge_info($aggregate_mergeinfo,
+ $par_mergeinfo, 0);
+
+ next if $parent eq $parents[0]; # Skip first parent
+ # Add new changes being placed in tree by merge
+ my @cmd = (qw/rev-list --reverse/,
+ $parent, qw/--not/);
+ foreach my $par (@parents) {
+ unless ($par eq $parent) {
+ push @cmd, $par;
+ }
+ }
+ my @revsin = ();
+ my ($revlist, $ctx) = command_output_pipe(@cmd);
+ while (<$revlist>) {
+ my $irev = $_;
+ chomp $irev;
+ my (undef, $csvnrev, undef) =
+ cmt_metadata($irev);
+ unless (defined $csvnrev) {
+ # A child is missing SVN annotations...
+ # this might be OK, or might not be.
+ warn "W:child $irev is merged into revision "
+ ."$d but does not have git-svn metadata. "
+ ."This means git-svn cannot determine the "
+ ."svn revision numbers to place into the "
+ ."svn:mergeinfo property. You must ensure "
+ ."a branch is entirely committed to "
+ ."SVN before merging it in order for "
+ ."svn:mergeinfo population to function "
+ ."properly";
+ }
+ push @revsin, $csvnrev;
+ }
+ command_close_pipe($revlist, $ctx);
+
+ last unless $all_parents_ok;
+
+ # We now have a list of all SVN revnos which are
+ # merged by this particular parent. Integrate them.
+ next if $#revsin == -1;
+ my $newmergeinfo = "$branchpath:" . join(',', @revsin);
+ $aggregate_mergeinfo =
+ merge_merge_info($aggregate_mergeinfo,
+ $newmergeinfo, 1);
+ }
+ if ($all_parents_ok and $aggregate_mergeinfo) {
+ return $aggregate_mergeinfo;
+ }
+ }
+
+ return undef;
+}
+
sub cmd_dcommit {
my $head = shift;
command_noisy(qw/update-index --refresh/);
@@ -526,7 +731,7 @@ sub cmd_dcommit {
$url = eval { command_oneline('config', '--get',
"svn-remote.$gs->{repo_id}.commiturl") };
if (!$url) {
- $url = $gs->full_url
+ $url = $gs->full_pushurl
}
}
@@ -542,7 +747,66 @@ sub cmd_dcommit {
"without --no-rebase may be required."
}
my $expect_url = $url;
+
+ my $push_merge_info = eval {
+ command_oneline(qw/config --get svn.pushmergeinfo/)
+ };
+ if (not defined($push_merge_info)
+ or $push_merge_info eq "false"
+ or $push_merge_info eq "no"
+ or $push_merge_info eq "never") {
+ $push_merge_info = 0;
+ }
+
+ unless (defined($_merge_info) || ! $push_merge_info) {
+ # Preflight check of changes to ensure no issues with mergeinfo
+ # This includes check for uncommitted-to-SVN parents
+ # (other than the first parent, which we will handle),
+ # information from different SVN repos, and paths
+ # which are not underneath this repository root.
+ my $rooturl = $gs->repos_root;
+ foreach my $d (@$linear_refs) {
+ my %parentshash;
+ read_commit_parents(\%parentshash, $d);
+ my @realparents = @{$parentshash{$d}};
+ if ($#realparents > 0) {
+ # Merge commit
+ shift @realparents; # Remove/ignore first parent
+ foreach my $parent (@realparents) {
+ my ($branchurl, $svnrev, $paruuid) = cmt_metadata($parent);
+ unless (defined $paruuid) {
+ # A parent is missing SVN annotations...
+ # abort the whole operation.
+ fatal "$parent is merged into revision $d, "
+ ."but does not have git-svn metadata. "
+ ."Either dcommit the branch or use a "
+ ."local cherry-pick, FF merge, or rebase "
+ ."instead of an explicit merge commit.";
+ }
+
+ unless ($paruuid eq $uuid) {
+ # Parent has SVN metadata from different repository
+ fatal "merge parent $parent for change $d has "
+ ."git-svn uuid $paruuid, while current change "
+ ."has uuid $uuid!";
+ }
+
+ unless ($branchurl =~ /^$rooturl(.*)/) {
+ # This branch is very strange indeed.
+ fatal "merge parent $parent for $d is on branch "
+ ."$branchurl, which is not under the "
+ ."git-svn root $rooturl!";
+ }
+ }
+ }
+ }
+ }
+
+ my $rewritten_parent;
Git::SVN::remove_username($expect_url);
+ if (defined($_merge_info)) {
+ $_merge_info =~ tr{ }{\n};
+ }
while (1) {
my $d = shift @$linear_refs or last;
unless (defined $last_rev) {
@@ -556,6 +820,14 @@ sub cmd_dcommit {
print "diff-tree $d~1 $d\n";
} else {
my $cmt_rev;
+
+ unless (defined($_merge_info) || ! $push_merge_info) {
+ $_merge_info = populate_merge_info($d, $gs,
+ $uuid,
+ $linear_refs,
+ $rewritten_parent);
+ }
+
my %ed_opts = ( r => $last_rev,
log => get_commit_entry($d)->{log},
ra => Git::SVN::Ra->new($url),
@@ -568,6 +840,7 @@ sub cmd_dcommit {
print "Committed r$_[0]\n";
$cmt_rev = $_[0];
},
+ mergeinfo => $_merge_info,
svn_path => '');
if (!SVN::Git::Editor->new(\%ed_opts)->apply_diff) {
print "No changes\n$d~1 == $d\n";
@@ -597,6 +870,9 @@ sub cmd_dcommit {
@finish = qw/reset --mixed/;
}
command_noisy(@finish, $gs->refname);
+
+ $rewritten_parent = command_oneline(qw/rev-parse HEAD/);
+
if (@diff) {
@refs = ();
my ($url_, $rev_, $uuid_, $gs_) =
@@ -673,7 +949,7 @@ sub cmd_branch {
$head ||= 'HEAD';
my (undef, $rev, undef, $gs) = working_head_info($head);
- my $src = $gs->full_url;
+ my $src = $gs->full_pushurl;
my $remote = Git::SVN::read_all_remotes()->{$gs->{repo_id}};
my $allglobs = $remote->{ $_tag ? 'tags' : 'branches' };
@@ -724,7 +1000,7 @@ sub cmd_branch {
$url = eval { command_oneline('config', '--get',
"svn-remote.$gs->{repo_id}.commiturl") };
if (!$url) {
- $url = $remote->{url};
+ $url = $remote->{pushurl} || $remote->{url};
}
}
my $dst = join '/', $url, $lft, $branch_name, ($rgt || ());
@@ -778,6 +1054,15 @@ sub cmd_find_rev {
print "$result\n" if $result;
}
+sub auto_create_empty_directories {
+ my ($gs) = @_;
+ my $var = eval { command_oneline('config', '--get', '--bool',
+ "svn-remote.$gs->{repo_id}.automkdirs") };
+ # By default, create empty directories by consulting the unhandled log,
+ # but allow setting it to 'false' to skip it.
+ return !($var && $var eq 'false');
+}
+
sub cmd_rebase {
command_noisy(qw/update-index --refresh/);
my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
@@ -801,7 +1086,9 @@ sub cmd_rebase {
$_fetch_all ? $gs->fetch_all : $gs->fetch;
}
command_noisy(rebase_cmd(), $gs->refname);
- $gs->mkemptydirs;
+ if (auto_create_empty_directories($gs)) {
+ $gs->mkemptydirs;
+ }
}
sub cmd_show_ignore {
@@ -1239,7 +1526,9 @@ sub post_fetch_checkout {
command_noisy(qw/read-tree -m -u -v HEAD HEAD/);
print STDERR "Checked out HEAD:\n ",
$gs->full_url, " r", $gs->last_rev, "\n";
- $gs->mkemptydirs($gs->last_rev);
+ if (auto_create_empty_directories($gs)) {
+ $gs->mkemptydirs($gs->last_rev);
+ }
}
sub complete_svn_url {
@@ -1513,7 +1802,8 @@ sub cmt_sha2rev_batch {
sub working_head_info {
my ($head, $refs) = @_;
- my @args = ('log', '--no-color', '--first-parent', '--pretty=medium');
+ my @args = qw/log --no-color --no-decorate --first-parent
+ --pretty=medium/;
my ($fh, $ctx) = command_output_pipe(@args, $head);
my $hash;
my %max;
@@ -1827,6 +2117,8 @@ sub read_all_remotes {
$r->{$1}->{svm} = {};
} elsif (m!^(.+)\.url=\s*(.*)\s*$!) {
$r->{$1}->{url} = $2;
+ } elsif (m!^(.+)\.pushurl=\s*(.*)\s*$!) {
+ $r->{$1}->{pushurl} = $2;
} elsif (m!^(.+)\.(branches|tags)=$svn_refspec$!) {
my ($remote, $t, $local_ref, $remote_ref) =
($1, $2, $3, $4);
@@ -2064,6 +2356,8 @@ sub new {
$self->{url} = command_oneline('config', '--get',
"svn-remote.$repo_id.url") or
die "Failed to read \"svn-remote.$repo_id.url\" in config\n";
+ $self->{pushurl} = eval { command_oneline('config', '--get',
+ "svn-remote.$repo_id.pushurl") };
$self->rebuild;
$self;
}
@@ -2541,6 +2835,15 @@ sub full_url {
$self->{url} . (length $self->{path} ? '/' . $self->{path} : '');
}
+sub full_pushurl {
+ my ($self) = @_;
+ if ($self->{pushurl}) {
+ return $self->{pushurl} . (length $self->{path} ? '/' .
+ $self->{path} : '');
+ } else {
+ return $self->full_url;
+ }
+}
sub set_commit_header_env {
my ($log_entry) = @_;
@@ -2978,7 +3281,7 @@ sub other_gs {
my (undef, $max_commit) = $gs->rev_map_max(1);
last if (!$max_commit);
my ($url) = ::cmt_metadata($max_commit);
- last if ($url eq $gs->full_url);
+ last if ($url eq $gs->metadata_url);
$ref_id .= '-';
}
print STDERR "Initializing parent: $ref_id\n" unless $::_q > 1;
@@ -3091,8 +3394,12 @@ sub lookup_svn_merge {
next;
}
- push @merged_commit_ranges,
- "$bottom_commit^..$top_commit";
+ if (scalar(command('rev-parse', "$bottom_commit^@"))) {
+ push @merged_commit_ranges,
+ "$bottom_commit^..$top_commit";
+ } else {
+ push @merged_commit_ranges, "$top_commit";
+ }
if ( !defined $tip or $top > $tip ) {
$tip = $top;
@@ -3118,11 +3425,12 @@ sub _rev_list {
sub check_cherry_pick {
my $base = shift;
my $tip = shift;
+ my $parents = shift;
my @ranges = @_;
my %commits = map { $_ => 1 }
- _rev_list("--no-merges", $tip, "--not", $base);
+ _rev_list("--no-merges", $tip, "--not", $base, @$parents, "--");
for my $range ( @ranges ) {
- delete @commits{_rev_list($range)};
+ delete @commits{_rev_list($range, "--")};
}
for my $commit (keys %commits) {
if (has_no_changes($commit)) {
@@ -3192,6 +3500,8 @@ sub has_no_changes {
Memoize::unmemoize 'check_cherry_pick';
Memoize::unmemoize 'has_no_changes';
}
+
+ Memoize::memoize 'Git::SVN::repos_root';
}
END {
@@ -3296,6 +3606,7 @@ sub find_extra_svn_parents {
# double check that there are no missing non-merge commits
my (@incomplete) = check_cherry_pick(
$merge_base, $merge_tip,
+ $parents,
@$ranges,
);
@@ -4039,12 +4350,13 @@ sub _read_password {
}
package SVN::Git::Fetcher;
-use vars qw/@ISA/;
+use vars qw/@ISA $_ignore_regex $_preserve_empty_dirs $_placeholder_filename
+ @deleted_gpath %added_placeholder $repo_id/;
use strict;
use warnings;
use Carp qw/croak/;
+use File::Basename qw/dirname/;
use IO::File qw//;
-use vars qw/$_ignore_regex/;
# file baton members: path, mode_a, mode_b, pool, fh, blob, base
sub new {
@@ -4056,8 +4368,34 @@ sub new {
$self->{empty_symlinks} =
_mark_empty_symlinks($git_svn, $switch_path);
}
- $self->{ignore_regex} = eval { command_oneline('config', '--get',
- "svn-remote.$git_svn->{repo_id}.ignore-paths") };
+
+ # some options are read globally, but can be overridden locally
+ # per [svn-remote "..."] section. Command-line options will *NOT*
+ # override options set in an [svn-remote "..."] section
+ $repo_id = $git_svn->{repo_id};
+ my $k = "svn-remote.$repo_id.ignore-paths";
+ my $v = eval { command_oneline('config', '--get', $k) };
+ $self->{ignore_regex} = $v;
+
+ $k = "svn-remote.$repo_id.preserve-empty-dirs";
+ $v = eval { command_oneline('config', '--get', '--bool', $k) };
+ if ($v && $v eq 'true') {
+ $_preserve_empty_dirs = 1;
+ $k = "svn-remote.$repo_id.placeholder-filename";
+ $v = eval { command_oneline('config', '--get', $k) };
+ $_placeholder_filename = $v;
+ }
+
+ # Load the list of placeholder files added during previous invocations.
+ $k = "svn-remote.$repo_id.added-placeholder";
+ $v = eval { command_oneline('config', '--get-all', $k) };
+ if ($_preserve_empty_dirs && $v) {
+ # command() prints errors to stderr, so we only call it if
+ # command_oneline() succeeded.
+ my @v = command('config', '--get-all', $k);
+ $added_placeholder{ dirname($_) } = $_ foreach @v;
+ }
+
$self->{empty} = {};
$self->{dir_prop} = {};
$self->{file_prop} = {};
@@ -4186,6 +4524,8 @@ sub delete_entry {
$self->{gii}->remove($gpath);
print "\tD\t$gpath\n" unless $::_q;
}
+ # Don't add to @deleted_gpath if we're deleting a placeholder file.
+ push @deleted_gpath, $gpath unless $added_placeholder{dirname($path)};
$self->{empty}->{$path} = 0;
undef;
}
@@ -4218,7 +4558,15 @@ sub add_file {
my ($dir, $file) = ($path =~ m#^(.*?)/?([^/]+)$#);
delete $self->{empty}->{$dir};
$mode = '100644';
+
+ if ($added_placeholder{$dir}) {
+ # Remove our placeholder file, if we created one.
+ delete_entry($self, $added_placeholder{$dir})
+ unless $path eq $added_placeholder{$dir};
+ delete $added_placeholder{$dir}
+ }
}
+
{ path => $path, mode_a => $mode, mode_b => $mode,
pool => SVN::Pool->new, action => 'A' };
}
@@ -4236,6 +4584,7 @@ sub add_directory {
chomp;
$self->{gii}->remove($_);
print "\tD\t$_\n" unless $::_q;
+ push @deleted_gpath, $gpath;
}
command_close_pipe($ls, $ctx);
$self->{empty}->{$path} = 0;
@@ -4243,6 +4592,13 @@ sub add_directory {
my ($dir, $file) = ($path =~ m#^(.*?)/?([^/]+)$#);
delete $self->{empty}->{$dir};
$self->{empty}->{$path} = 1;
+
+ if ($added_placeholder{$dir}) {
+ # Remove our placeholder file, if we created one.
+ delete_entry($self, $added_placeholder{$dir});
+ delete $added_placeholder{$dir}
+ }
+
out:
{ path => $path };
}
@@ -4406,12 +4762,96 @@ sub abort_edit {
sub close_edit {
my $self = shift;
+
+ if ($_preserve_empty_dirs) {
+ my @empty_dirs;
+
+ # Any entry flagged as empty that also has an associated
+ # dir_prop represents a newly created empty directory.
+ foreach my $i (keys %{$self->{empty}}) {
+ push @empty_dirs, $i if exists $self->{dir_prop}->{$i};
+ }
+
+ # Search for directories that have become empty due subsequent
+ # file deletes.
+ push @empty_dirs, $self->find_empty_directories();
+
+ # Finally, add a placeholder file to each empty directory.
+ $self->add_placeholder_file($_) foreach (@empty_dirs);
+
+ $self->stash_placeholder_list();
+ }
+
$self->{git_commit_ok} = 1;
$self->{nr} = $self->{gii}->{nr};
delete $self->{gii};
$self->SUPER::close_edit(@_);
}
+sub find_empty_directories {
+ my ($self) = @_;
+ my @empty_dirs;
+ my %dirs = map { dirname($_) => 1 } @deleted_gpath;
+
+ foreach my $dir (sort keys %dirs) {
+ next if $dir eq ".";
+
+ # If there have been any additions to this directory, there is
+ # no reason to check if it is empty.
+ my $skip_added = 0;
+ foreach my $t (qw/dir_prop file_prop/) {
+ foreach my $path (keys %{ $self->{$t} }) {
+ if (exists $self->{$t}->{dirname($path)}) {
+ $skip_added = 1;
+ last;
+ }
+ }
+ last if $skip_added;
+ }
+ next if $skip_added;
+
+ # Use `git ls-tree` to get the filenames of this directory
+ # that existed prior to this particular commit.
+ my $ls = command('ls-tree', '-z', '--name-only',
+ $self->{c}, "$dir/");
+ my %files = map { $_ => 1 } split(/\0/, $ls);
+
+ # Remove the filenames that were deleted during this commit.
+ delete $files{$_} foreach (@deleted_gpath);
+
+ # Report the directory if there are no filenames left.
+ push @empty_dirs, $dir unless (scalar %files);
+ }
+ @empty_dirs;
+}
+
+sub add_placeholder_file {
+ my ($self, $dir) = @_;
+ my $path = "$dir/$_placeholder_filename";
+ my $gpath = $self->git_path($path);
+
+ my $fh = $::_repository->temp_acquire($gpath);
+ my $hash = $::_repository->hash_and_insert_object(Git::temp_path($fh));
+ Git::temp_release($fh, 1);
+ $self->{gii}->update('100644', $hash, $gpath) or croak $!;
+
+ # The directory should no longer be considered empty.
+ delete $self->{empty}->{$dir} if exists $self->{empty}->{$dir};
+
+ # Keep track of any placeholder files we create.
+ $added_placeholder{$dir} = $path;
+}
+
+sub stash_placeholder_list {
+ my ($self) = @_;
+ my $k = "svn-remote.$repo_id.added-placeholder";
+ my $v = eval { command_oneline('config', '--get-all', $k) };
+ command_noisy('config', '--unset-all', $k) if $v;
+ foreach (values %added_placeholder) {
+ command_noisy('config', '--add', $k, $_);
+ }
+}
+
package SVN::Git::Editor;
use vars qw/@ISA $_rmdir $_cp_similarity $_find_copies_harder $_rename_limit/;
use strict;
@@ -4447,6 +4887,7 @@ sub new {
$self->{path_prefix} = length $self->{svn_path} ?
"$self->{svn_path}/" : '';
$self->{config} = $opts->{config};
+ $self->{mergeinfo} = $opts->{mergeinfo};
return $self;
}
@@ -4756,6 +5197,11 @@ sub change_file_prop {
$self->SUPER::change_file_prop($fbat, $pname, $pval, $self->{pool});
}
+sub change_dir_prop {
+ my ($self, $pbat, $pname, $pval) = @_;
+ $self->SUPER::change_dir_prop($pbat, $pname, $pval, $self->{pool});
+}
+
sub _chg_file_get_blob ($$$$) {
my ($self, $fbat, $m, $which) = @_;
my $fh = $::_repository->temp_acquire("git_blob_$which");
@@ -4849,6 +5295,11 @@ sub apply_diff {
fatal("Invalid change type: $f");
}
}
+
+ if (defined($self->{mergeinfo})) {
+ $self->change_dir_prop($self->{bat}{''}, "svn:mergeinfo",
+ $self->{mergeinfo});
+ }
$self->rmdirs if $_rmdir;
if (@$mods == 0) {
$self->abort_edit;
@@ -5717,7 +6168,7 @@ sub cmd_show_log {
my (@k, $c, $d, $stat);
my $esc_color = qr/(?:\033\[(?:(?:\d+;)*\d*)?m)*/;
while (<$log>) {
- if (/^${esc_color}commit -?($::sha1_short)/o) {
+ if (/^${esc_color}commit (?:- )?($::sha1_short)/o) {
my $cmt = $1;
if ($c && cmt_showable($c) && $c->{r} != $r_last) {
$r_last = $c->{r};