diff --git a/git-svn.perl b/git-svn.perl
index 2746895ae620a37c4b84419caf221db8f476e197..07d40ba81fa1227733281262c61633845de84a5b 100755 (executable)
--- a/git-svn.perl
+++ b/git-svn.perl
$path = $url;
}
$path = basename($url) if !defined $path || !length $path;
+ my $authors_absolute = $_authors ? File::Spec->rel2abs($_authors) : "";
cmd_init($url, $path);
+ command_oneline('config', 'svn.authorsfile', $authors_absolute)
+ if $_authors;
Git::SVN::fetch_all($Git::SVN::default_repo_id);
- command_oneline('config', 'svn.authorsfile', $_authors) if $_authors;
}
sub cmd_init {
if (@_ > 1) {
die "Usage: $0 fetch [--all] [--parent] [svn-remote]\n";
}
+ $Git::SVN::no_reuse_existing = undef;
if ($_fetch_parent) {
my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
unless ($gs) {
}
sub cmd_multi_fetch {
+ $Git::SVN::no_reuse_existing = undef;
my $remotes = Git::SVN::read_all_remotes();
foreach my $repo_id (sort keys %$remotes) {
if ($remotes->{$repo_id}->{url}) {
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 ? $head : 0;
# read the max revs for wildcard expansion (branches/*, tags/*)
sub mkemptydirs {
my ($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{$1} = 1;
- } elsif (/^ \-empty_dir: (.+)$/) {
- delete $empty_dirs{$1};
+ 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) {
$d = uri_decode($d);
+ $d =~ s/$strip//;
next if -d $d;
if (-e _) {
warn "$d exists but is not a directory\n";
if ( my $commit = $gs->rev_map_get($rev, $uuid) ) {
# wahey! we found it, but it might be
# an old one (!)
- push @known_parents, $commit;
+ push @known_parents, [ $rev, $commit ];
}
}
}
+ # Ordering matters; highest-numbered commit merge tickets
+ # first, as they may account for later merge ticket additions
+ # or changes.
+ @known_parents = map {$_->[1]} sort {$b->[0] <=> $a->[0]} @known_parents;
for my $parent ( @known_parents ) {
my @cmd = ('rev-list', $parent, map { "^$_" } @$parents );
my ($msg_fh, $ctx) = command_output_pipe(@cmd);
}
}
+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);
+}
+BEGIN {
+ memoize 'lookup_svn_merge';
+}
+
+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;
+ next unless $merge_tip and $excluded{$merge_tip};
+
+ my $ranges = $ranges{$merge_tip};
+
my @cmd = ('rev-list', "-1", $merge_tip,
"--not", @$parents );
my ($msg_fh, $ctx) = command_output_pipe(@cmd);
}
command_close_pipe($msg_fh, $ctx);
if ( $new ) {
- push @cmd, @merged_commit_ranges;
+ push @cmd, @$ranges;
my ($msg_fh, $ctx) = command_output_pipe(@cmd);
my $unmerged;
while ( <$msg_fh> ) {
}
print "\tD\t$gpath/\n" unless $::_q;
command_close_pipe($ls, $ctx);
- $self->{empty}->{$path} = 0
} else {
$self->{gii}->remove($gpath);
print "\tD\t$gpath\n" unless $::_q;
}
+ $self->{empty}->{$path} = 0;
undef;
}