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diff --git a/git-svn.perl b/git-svn.perl
index a4b052c71e9a3b7da1ac95aaf11a206152f8e1a4..4f7dc2b73b75dfed0aac5860c77117559cdd3bcd 100755 (executable)
--- a/git-svn.perl
+++ b/git-svn.perl
$ENV{SVN_SSH} = $ENV{GIT_SSH};
if ($^O eq 'msys') {
$ENV{SVN_SSH} =~ s/\\/\\\\/g;
+ $ENV{SVN_SSH} =~ s/(.*)/"$1"/;
}
}
}
'use-svm-props' => sub { $icv{useSvmProps} = 1 },
'use-svnsync-props' => sub { $icv{useSvnsyncProps} = 1 },
'rewrite-root=s' => sub { $icv{rewriteRoot} = $_[1] },
+ 'rewrite-uuid=s' => sub { $icv{rewriteUUID} = $_[1] },
%remote_opts );
my %cmt_opts = ( 'edit|e' => \$_edit,
'rmdir' => \$SVN::Git::Editor::_rmdir,
{ 'message|m=s' => \$_message,
'destination|d=s' => \$_branch_dest,
'dry-run|n' => \$_dry_run,
- 'tag|t' => \$_tag } ],
+ 'tag|t' => \$_tag,
+ 'username=s' => \$Git::SVN::Prompt::_username,
+ 'commit-url=s' => \$_commit_url } ],
tag => [ sub { $_tag = 1; cmd_branch(@_) },
'Create a tag in the SVN repository',
{ 'message|m=s' => \$_message,
'destination|d=s' => \$_branch_dest,
- 'dry-run|n' => \$_dry_run } ],
+ 'dry-run|n' => \$_dry_run,
+ 'username=s' => \$Git::SVN::Prompt::_username,
+ 'commit-url=s' => \$_commit_url } ],
'set-tree' => [ \&cmd_set_tree,
"Set an SVN repository to a git tree-ish",
{ 'stdin' => \$_stdin, %cmt_opts, %fc_opts, } ],
}
$head ||= 'HEAD';
- my ($src, $rev, undef, $gs) = working_head_info($head);
+ my (undef, $rev, undef, $gs) = working_head_info($head);
+ my $src = $gs->full_url;
my $remote = Git::SVN::read_all_remotes()->{$gs->{repo_id}};
my $allglobs = $remote->{ $_tag ? 'tags' : 'branches' };
}
}
my ($lft, $rgt) = @{ $glob->{path} }{qw/left right/};
- my $dst = join '/', $remote->{url}, $lft, $branch_name, ($rgt || ());
+ my $url;
+ if (defined $_commit_url) {
+ $url = $_commit_url;
+ } else {
+ $url = eval { command_oneline('config', '--get',
+ "svn-remote.$gs->{repo_id}.commiturl") };
+ if (!$url) {
+ $url = $remote->{url};
+ }
+ }
+ my $dst = join '/', $url, $lft, $branch_name, ($rgt || ());
+
+ if ($dst =~ /^https:/ && $src =~ /^http:/) {
+ $src=~s/^http:/https:/;
+ }
my $ctx = SVN::Client->new(
auth => Git::SVN::Ra::_auth_providers(),
use File::Path qw/mkpath/;
use File::Copy qw/copy/;
use IPC::Open3;
+use Memoize; # core since 5.8.0, Jul 2002
my ($_gc_nr, $_gc_period);
my $ra = Git::SVN::Ra->new($url);
my $uuid = $ra->get_uuid;
my $head = $ra->get_latest_revnum;
- $ra->get_log("", $head, 0, 1, 0, 1, sub { $head = $_[1] });
+
+ # ignore errors, $head revision may not even exist anymore
+ eval { $ra->get_log("", $head, 0, 1, 0, 1, sub { $head = $_[1] }) };
+ warn "W: $@\n" if $@;
+
my $base = defined $fetch ? $head : 0;
# read the max revs for wildcard expansion (branches/*, tags/*)
my $rs = {
t => $t,
remote => $remote,
- path => Git::SVN::GlobSpec->new($local_ref),
- ref => Git::SVN::GlobSpec->new($remote_ref) };
+ path => Git::SVN::GlobSpec->new($local_ref, 1),
+ ref => Git::SVN::GlobSpec->new($remote_ref, 0) };
if (length($rs->{ref}->{right}) != 0) {
die "The '*' glob character must be the last ",
"character of '$remote_ref'\n";
die "Can't have both 'useSvnsyncProps' and 'rewriteRoot' ",
"options set!\n";
}
+ if ($self->rewrite_uuid) {
+ die "Can't have both 'useSvnsyncProps' and 'rewriteUUID' ",
+ "options set!\n";
+ }
my $svnsync;
# see if we have it in our config, first:
next if $seen{$p};
$seen{$p} = 1;
push @ret, $p;
- # MAXPARENT is defined to 16 in commit-tree.c:
- last if @ret >= 16;
- }
- if (@tmp) {
- die "r$log_entry->{revision}: No room for parents:\n\t",
- join("\n\t", @tmp), "\n";
}
@ret;
}
$self->{-rewrite_root} = $rwr;
}
+sub rewrite_uuid {
+ my ($self) = @_;
+ return $self->{-rewrite_uuid} if exists $self->{-rewrite_uuid};
+ my $k = "svn-remote.$self->{repo_id}.rewriteUUID";
+ my $rwid = eval { command_oneline(qw/config --get/, $k) };
+ if ($rwid) {
+ $rwid =~ s#/+$##;
+ if ($rwid !~ m#^[a-f0-9]{8}-(?:[a-f0-9]{4}-){3}[a-f0-9]{12}$#) {
+ die "$rwid is not a valid UUID (key: $k)\n";
+ }
+ }
+ $self->{-rewrite_uuid} = $rwid;
+}
+
sub metadata_url {
my ($self) = @_;
($self->rewrite_root || $self->{url}) .
sub mkemptydirs {
my ($self, $r) = @_;
+
+ sub scan {
+ my ($r, $empty_dirs, $line) = @_;
+ if (defined $r && $line =~ /^r(\d+)$/) {
+ return 0 if $1 > $r;
+ } elsif ($line =~ /^ \+empty_dir: (.+)$/) {
+ $empty_dirs->{$1} = 1;
+ } elsif ($line =~ /^ \-empty_dir: (.+)$/) {
+ my @d = grep {m[^\Q$1\E(/|$)]} (keys %$empty_dirs);
+ delete @$empty_dirs{@d};
+ }
+ 1; # continue
+ };
+
my %empty_dirs = ();
+ my $gz_file = "$self->{dir}/unhandled.log.gz";
+ if (-f $gz_file) {
+ if (!$can_compress) {
+ warn "Compress::Zlib could not be found; ",
+ "empty directories in $gz_file will not be read\n";
+ } else {
+ my $gz = Compress::Zlib::gzopen($gz_file, "rb") or
+ die "Unable to open $gz_file: $!\n";
+ my $line;
+ while ($gz->gzreadline($line) > 0) {
+ scan($r, \%empty_dirs, $line) or last;
+ }
+ $gz->gzclose;
+ }
+ }
- open my $fh, '<', "$self->{dir}/unhandled.log" or return;
- binmode $fh or croak "binmode: $!";
- while (<$fh>) {
- if (defined $r && /^r(\d+)$/) {
- last if $1 > $r;
- } elsif (/^ \+empty_dir: (.+)$/) {
- $empty_dirs{$1} = 1;
- } elsif (/^ \-empty_dir: (.+)$/) {
- my @d = grep {m[^\Q$1\E(/|$)]} (keys %empty_dirs);
- delete @empty_dirs{@d};
+ if (open my $fh, '<', "$self->{dir}/unhandled.log") {
+ binmode $fh or croak "binmode: $!";
+ while (<$fh>) {
+ scan($r, \%empty_dirs, $_) or last;
}
+ close $fh;
}
- close $fh;
my $strip = qr/\A\Q$self->{path}\E(?:\/|$)/;
foreach my $d (sort keys %empty_dirs) {
}
}
+sub lookup_svn_merge {
+ my $uuid = shift;
+ my $url = shift;
+ my $merge = shift;
+
+ my ($source, $revs) = split ":", $merge;
+ my $path = $source;
+ $path =~ s{^/}{};
+ my $gs = Git::SVN->find_by_url($url.$source, $url, $path);
+ if ( !$gs ) {
+ warn "Couldn't find revmap for $url$source\n";
+ return;
+ }
+ my @ranges = split ",", $revs;
+ my ($tip, $tip_commit);
+ my @merged_commit_ranges;
+ # find the tip
+ for my $range ( @ranges ) {
+ my ($bottom, $top) = split "-", $range;
+ $top ||= $bottom;
+ my $bottom_commit = $gs->find_rev_after( $bottom, 1, $top );
+ my $top_commit = $gs->find_rev_before( $top, 1, $bottom );
+
+ unless ($top_commit and $bottom_commit) {
+ warn "W:unknown path/rev in svn:mergeinfo "
+ ."dirprop: $source:$range\n";
+ next;
+ }
+
+ push @merged_commit_ranges,
+ "$bottom_commit^..$top_commit";
+
+ if ( !defined $tip or $top > $tip ) {
+ $tip = $top;
+ $tip_commit = $top_commit;
+ }
+ }
+ return ($tip_commit, @merged_commit_ranges);
+}
+
+sub _rev_list {
+ my ($msg_fh, $ctx) = command_output_pipe(
+ "rev-list", @_,
+ );
+ my @rv;
+ while ( <$msg_fh> ) {
+ chomp;
+ push @rv, $_;
+ }
+ command_close_pipe($msg_fh, $ctx);
+ @rv;
+}
+
+sub check_cherry_pick {
+ my $base = shift;
+ my $tip = shift;
+ my @ranges = @_;
+ my %commits = map { $_ => 1 }
+ _rev_list("--no-merges", $tip, "--not", $base);
+ for my $range ( @ranges ) {
+ delete @commits{_rev_list($range)};
+ }
+ for my $commit (keys %commits) {
+ if (has_no_changes($commit)) {
+ delete $commits{$commit};
+ }
+ }
+ return (keys %commits);
+}
+
+sub has_no_changes {
+ my $commit = shift;
+
+ my @revs = split / /, command_oneline(
+ qw(rev-list --parents -1 -m), $commit);
+
+ # Commits with no parents, e.g. the start of a partial branch,
+ # have changes by definition.
+ return 1 if (@revs < 2);
+
+ # Commits with multiple parents, e.g a merge, have no changes
+ # by definition.
+ return 0 if (@revs > 2);
+
+ return (command_oneline("rev-parse", "$commit^{tree}") eq
+ command_oneline("rev-parse", "$commit~1^{tree}"));
+}
+
+BEGIN {
+ memoize 'lookup_svn_merge';
+ memoize 'check_cherry_pick';
+ memoize 'has_no_changes';
+}
+
+sub parents_exclude {
+ my $parents = shift;
+ my @commits = @_;
+ return unless @commits;
+
+ my @excluded;
+ my $excluded;
+ do {
+ my @cmd = ('rev-list', "-1", @commits, "--not", @$parents );
+ $excluded = command_oneline(@cmd);
+ if ( $excluded ) {
+ my @new;
+ my $found;
+ for my $commit ( @commits ) {
+ if ( $commit eq $excluded ) {
+ push @excluded, $commit;
+ $found++;
+ last;
+ }
+ else {
+ push @new, $commit;
+ }
+ }
+ die "saw commit '$excluded' in rev-list output, "
+ ."but we didn't ask for that commit (wanted: @commits --not @$parents)"
+ unless $found;
+ @commits = @new;
+ }
+ }
+ while ($excluded and @commits);
+
+ return @excluded;
+}
+
+
# note: this function should only be called if the various dirprops
# have actually changed
sub find_extra_svn_parents {
# are now marked as merge, we can add the tip as a parent.
my @merges = split "\n", $mergeinfo;
my @merge_tips;
- my @merged_commit_ranges;
my $url = $self->rewrite_root || $self->{url};
+ my $uuid = $self->ra_uuid;
+ my %ranges;
for my $merge ( @merges ) {
- my ($source, $revs) = split ":", $merge;
- my $path = $source;
- $path =~ s{^/}{};
- my $gs = Git::SVN->find_by_url($url.$source, $url, $path);
- if ( !$gs ) {
- warn "Couldn't find revmap for $url$source\n";
- next;
- }
- my @ranges = split ",", $revs;
- my ($tip, $tip_commit);
- # find the tip
- for my $range ( @ranges ) {
- my ($bottom, $top) = split "-", $range;
- $top ||= $bottom;
- my $bottom_commit =
- $gs->rev_map_get($bottom, $self->ra_uuid) ||
- $gs->rev_map_get($bottom+1, $self->ra_uuid);
- my $top_commit;
- for (; !$top_commit && $top >= $bottom; --$top) {
- $top_commit =
- $gs->rev_map_get($top, $self->ra_uuid);
- }
-
- unless ($top_commit and $bottom_commit) {
- warn "W:unknown path/rev in svn:mergeinfo "
- ."dirprop: $source:$range\n";
- next;
- }
-
- push @merged_commit_ranges,
- "$bottom_commit..$top_commit";
-
- if ( !defined $tip or $top > $tip ) {
- $tip = $top;
- $tip_commit = $top_commit;
- }
- }
+ my ($tip_commit, @ranges) =
+ lookup_svn_merge( $uuid, $url, $merge );
unless (!$tip_commit or
grep { $_ eq $tip_commit } @$parents ) {
push @merge_tips, $tip_commit;
+ $ranges{$tip_commit} = \@ranges;
} else {
push @merge_tips, undef;
}
}
+
+ my %excluded = map { $_ => 1 }
+ parents_exclude($parents, grep { defined } @merge_tips);
+
+ # check merge tips for new parents
+ my @new_parents;
for my $merge_tip ( @merge_tips ) {
my $spec = shift @merges;
- next unless $merge_tip;
- my @cmd = ('rev-list', "-1", $merge_tip,
- "--not", @$parents );
- my ($msg_fh, $ctx) = command_output_pipe(@cmd);
- my $new;
- while ( <$msg_fh> ) {
- $new=1;last;
+ next unless $merge_tip and $excluded{$merge_tip};
+
+ my $ranges = $ranges{$merge_tip};
+
+ # check out 'new' tips
+ my $merge_base;
+ eval {
+ $merge_base = command_oneline(
+ "merge-base",
+ @$parents, $merge_tip,
+ );
+ };
+ if ($@) {
+ die "An error occurred during merge-base"
+ unless $@->isa("Git::Error::Command");
+
+ warn "W: Cannot find common ancestor between ".
+ "@$parents and $merge_tip. Ignoring merge info.\n";
+ next;
}
- command_close_pipe($msg_fh, $ctx);
- if ( $new ) {
- push @cmd, @merged_commit_ranges;
- my ($msg_fh, $ctx) = command_output_pipe(@cmd);
- my $unmerged;
- while ( <$msg_fh> ) {
- $unmerged=1;last;
- }
- command_close_pipe($msg_fh, $ctx);
- if ( $unmerged ) {
- warn "W:svn cherry-pick ignored ($spec)\n";
- } else {
- warn
- "Found merge parent (svn:mergeinfo prop): ",
- $merge_tip, "\n";
- push @$parents, $merge_tip;
+
+ # double check that there are no missing non-merge commits
+ my (@incomplete) = check_cherry_pick(
+ $merge_base, $merge_tip,
+ @$ranges,
+ );
+
+ if ( @incomplete ) {
+ warn "W:svn cherry-pick ignored ($spec) - missing "
+ .@incomplete." commit(s) (eg $incomplete[0])\n";
+ } else {
+ warn
+ "Found merge parent (svn:mergeinfo prop): ",
+ $merge_tip, "\n";
+ push @new_parents, $merge_tip;
+ }
+ }
+
+ # cater for merges which merge commits from multiple branches
+ if ( @new_parents > 1 ) {
+ for ( my $i = 0; $i <= $#new_parents; $i++ ) {
+ for ( my $j = 0; $j <= $#new_parents; $j++ ) {
+ next if $i == $j;
+ next unless $new_parents[$i];
+ next unless $new_parents[$j];
+ my $revs = command_oneline(
+ "rev-list", "-1",
+ "$new_parents[$i]..$new_parents[$j]",
+ );
+ if ( !$revs ) {
+ undef($new_parents[$i]);
+ }
}
}
}
+ push @$parents, grep { defined } @new_parents;
}
sub make_log_entry {
die "Can't have both 'useSvmProps' and 'rewriteRoot' ",
"options set!\n";
}
+ if ($self->rewrite_uuid) {
+ die "Can't have both 'useSvmProps' and 'rewriteUUID' ",
+ "options set!\n";
+ }
my ($uuid, $r) = $headrev =~ m{^([a-f\d\-]{30,}):(\d+)$}i;
# we don't want "SVM: initializing mirror for junk" ...
return undef if $r == 0;
} else {
my $url = $self->metadata_url;
remove_username($url);
- $log_entry{metadata} = "$url\@$rev " .
- $self->ra->get_uuid;
- $email ||= "$author\@" . $self->ra->get_uuid;
- $commit_email ||= "$author\@" . $self->ra->get_uuid;
+ my $uuid = $self->rewrite_uuid || $self->ra->get_uuid;
+ $log_entry{metadata} = "$url\@$rev " . $uuid;
+ $email ||= "$author\@" . $uuid;
+ $commit_email ||= "$author\@" . $uuid;
}
$log_entry{name} = $name;
$log_entry{email} = $email;
'--');
my $metadata_url = $self->metadata_url;
remove_username($metadata_url);
- my $svn_uuid = $self->ra_uuid;
+ my $svn_uuid = $self->rewrite_uuid || $self->ra_uuid;
my $c;
while (<$log>) {
if ( m{^commit ($::sha1)$} ) {
next if (length $g->{path}->{right} &&
($self->check_path($p, $r) !=
$SVN::Node::dir));
+ next unless $p =~ /$g->{path}->{regex}/;
$exists->{$p} = Git::SVN->init($self->{url}, $p, undef,
$g->{ref}->full_path($de), 1);
}
use warnings;
sub new {
- my ($class, $glob) = @_;
+ my ($class, $glob, $pattern_ok) = @_;
my $re = $glob;
$re =~ s!/+$!!g; # no need for trailing slashes
- $re =~ m!^([^*]*)(\*(?:/\*)*)(.*)$!;
- my $temp = $re;
- my ($left, $right) = ($1, $3);
- $re = $2;
- my $depth = $re =~ tr/*/*/;
- if ($depth != $temp =~ tr/*/*/) {
- die "Only one set of wildcard directories " .
- "(e.g. '*' or '*/*/*') is supported: '$glob'\n";
+ my (@left, @right, @patterns);
+ my $state = "left";
+ my $die_msg = "Only one set of wildcard directories " .
+ "(e.g. '*' or '*/*/*') is supported: '$glob'\n";
+ for my $part (split(m|/|, $glob)) {
+ if ($part =~ /\*/ && $part ne "*") {
+ die "Invalid pattern in '$glob': $part\n";
+ } elsif ($pattern_ok && $part =~ /[{}]/ &&
+ $part !~ /^\{[^{}]+\}/) {
+ die "Invalid pattern in '$glob': $part\n";
+ }
+ if ($part eq "*") {
+ die $die_msg if $state eq "right";
+ $state = "pattern";
+ push(@patterns, "[^/]*");
+ } elsif ($pattern_ok && $part =~ /^\{(.*)\}$/) {
+ die $die_msg if $state eq "right";
+ $state = "pattern";
+ my $p = quotemeta($1);
+ $p =~ s/\\,/|/g;
+ push(@patterns, "(?:$p)");
+ } else {
+ if ($state eq "left") {
+ push(@left, $part);
+ } else {
+ push(@right, $part);
+ $state = "right";
+ }
+ }
}
+ my $depth = @patterns;
if ($depth == 0) {
- die "One '*' is needed for glob: '$glob'\n";
- }
- $re =~ s!\*!\[^/\]*!g;
- $re = quotemeta($left) . "($re)" . quotemeta($right);
- if (length $left && !($left =~ s!/+$!!g)) {
- die "Missing trailing '/' on left side of: '$glob' ($left)\n";
- }
- if (length $right && !($right =~ s!^/+!!g)) {
- die "Missing leading '/' on right side of: '$glob' ($right)\n";
+ die "One '*' is needed in glob: '$glob'\n";
}
+ my $left = join('/', @left);
+ my $right = join('/', @right);
+ $re = join('/', @patterns);
+ $re = join('\/',
+ grep(length, quotemeta($left), "($re)", quotemeta($right)));
my $left_re = qr/^\/\Q$left\E(\/|$)/;
bless { left => $left, right => $right, left_regex => $left_re,
regex => qr/$re/, glob => $glob, depth => $depth }, $class;