# It cannot end with a slash /, we'll throw up on this because
# SVN can't have directories with a slash in their name, either:
if ($refname =~ m{/$}) {
- die "ref: '$refname' ends with a trailing slash, this is ",
- "not permitted by git nor Subversion\n";
+ die "ref: '$refname' ends with a trailing slash; this is ",
+ "not permitted by git or Subversion\n";
}
# It cannot have ASCII control character space, tilde ~, caret ^,
or die "SVN connection failed somewhere...\n";
}
print STDERR "Successfully followed parent\n" unless $::_q > 1;
- return $self->make_log_entry($rev, [$parent], $ed);
+ return $self->make_log_entry($rev, [$parent], $ed, $r0, $branch_from);
}
return undef;
}
# we can have a branch that was deleted, then re-added
# under the same name but copied from another path, in
# which case we'll have multiple parents (we don't
- # want to break the original ref, nor lose copypath info):
+ # want to break the original ref or lose copypath info):
if (my $log_entry = $self->find_parent_branch($paths, $rev)) {
push @{$log_entry->{parents}}, $lc;
return $log_entry;
unless ($self->ra->gs_do_update($last_rev, $rev, $self, $ed)) {
die "SVN connection failed somewhere...\n";
}
- $self->make_log_entry($rev, \@parents, $ed);
+ $self->make_log_entry($rev, \@parents, $ed, $last_rev, $self->path);
}
sub mkemptydirs {
sub parse_svn_date {
my $date = shift || return '+0000 1970-01-01 00:00:00';
my ($Y,$m,$d,$H,$M,$S) = ($date =~ /^(\d{4})\-(\d\d)\-(\d\d)T
- (\d\d)\:(\d\d)\:(\d\d)\.\d*Z$/x) or
+ (\d\d?)\:(\d\d)\:(\d\d)\.\d*Z$/x) or
croak "Unable to parse date: $date\n";
my $parsed_date; # Set next.
}
sub find_extra_svk_parents {
- my ($self, $ed, $tickets, $parents) = @_;
+ my ($self, $tickets, $parents) = @_;
# aha! svk:merge property changed...
my @tickets = split "\n", $tickets;
my @known_parents;
sub lookup_svn_merge {
my $uuid = shift;
my $url = shift;
- my $merge = shift;
+ my $source = shift;
+ my $revs = shift;
- my ($source, $revs) = split ":", $merge;
my $path = $source;
$path =~ s{^/}{};
my $gs = Git::SVN->find_by_url($url.$source, $url, $path);
my @merged_commit_ranges;
# find the tip
for my $range ( @ranges ) {
+ if ($range =~ /[*]$/) {
+ warn "W: Ignoring partial merge in svn:mergeinfo "
+ ."dirprop: $source:$range\n";
+ next;
+ }
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 "
+ warn "W: unknown path/rev in svn:mergeinfo "
."dirprop: $source:$range\n";
next;
}
@rv;
}
-sub check_cherry_pick {
+sub check_cherry_pick2 {
my $base = shift;
my $tip = shift;
my $parents = shift;
delete $commits{$commit};
}
}
- return (keys %commits);
+ my @k = (keys %commits);
+ return (scalar @k, $k[0]);
}
sub has_no_changes {
mkpath([$cache_path]) unless -d $cache_path;
my %lookup_svn_merge_cache;
- my %check_cherry_pick_cache;
+ my %check_cherry_pick2_cache;
my %has_no_changes_cache;
tie_for_persistent_memoization(\%lookup_svn_merge_cache,
LIST_CACHE => ['HASH' => \%lookup_svn_merge_cache],
;
- tie_for_persistent_memoization(\%check_cherry_pick_cache,
- "$cache_path/check_cherry_pick");
- memoize 'check_cherry_pick',
+ tie_for_persistent_memoization(\%check_cherry_pick2_cache,
+ "$cache_path/check_cherry_pick2");
+ memoize 'check_cherry_pick2',
SCALAR_CACHE => 'FAULT',
- LIST_CACHE => ['HASH' => \%check_cherry_pick_cache],
+ LIST_CACHE => ['HASH' => \%check_cherry_pick2_cache],
;
tie_for_persistent_memoization(\%has_no_changes_cache,
$memoized = 0;
Memoize::unmemoize 'lookup_svn_merge';
- Memoize::unmemoize 'check_cherry_pick';
+ Memoize::unmemoize 'check_cherry_pick2';
Memoize::unmemoize 'has_no_changes';
}
return unless -d $cache_path;
for my $cache_file (("$cache_path/lookup_svn_merge",
- "$cache_path/check_cherry_pick",
+ "$cache_path/check_cherry_pick", # old
+ "$cache_path/check_cherry_pick2",
"$cache_path/has_no_changes")) {
for my $suffix (qw(yaml db)) {
my $file = "$cache_file.$suffix";
return @excluded;
}
+# Compute what's new in svn:mergeinfo.
+sub mergeinfo_changes {
+ my ($self, $old_path, $old_rev, $path, $rev, $mergeinfo_prop) = @_;
+ my %minfo = map {split ":", $_ } split "\n", $mergeinfo_prop;
+ my $old_minfo = {};
+
+ my $ra = $self->ra;
+ # Give up if $old_path isn't in the repo.
+ # This is probably a merge on a subtree.
+ if ($ra->check_path($old_path, $old_rev) != $SVN::Node::dir) {
+ warn "W: ignoring svn:mergeinfo on $old_path, ",
+ "directory didn't exist in r$old_rev\n";
+ return {};
+ }
+ my (undef, undef, $props) = $ra->get_dir($old_path, $old_rev);
+ if (defined $props->{"svn:mergeinfo"}) {
+ my %omi = map {split ":", $_ } split "\n",
+ $props->{"svn:mergeinfo"};
+ $old_minfo = \%omi;
+ }
+
+ my %changes = ();
+ foreach my $p (keys %minfo) {
+ my $a = $old_minfo->{$p} || "";
+ my $b = $minfo{$p};
+ # Omit merged branches whose ranges lists are unchanged.
+ next if $a eq $b;
+ # Remove any common range list prefix.
+ ($a ^ $b) =~ /^[\0]*/;
+ my $common_prefix = rindex $b, ",", $+[0] - 1;
+ $changes{$p} = substr $b, $common_prefix + 1;
+ }
+ print STDERR "Checking svn:mergeinfo changes since r$old_rev: ",
+ scalar(keys %minfo), " sources, ",
+ scalar(keys %changes), " changed\n";
+
+ return \%changes;
+}
# note: this function should only be called if the various dirprops
# have actually changed
sub find_extra_svn_parents {
- my ($self, $ed, $mergeinfo, $parents) = @_;
+ my ($self, $mergeinfo, $parents) = @_;
# aha! svk:merge property changed...
memoize_svn_mergeinfo_functions();
# history. Then, we figure out which git revisions are in
# that tip, but not this revision. If all of those revisions
# are now marked as merge, we can add the tip as a parent.
- my @merges = split "\n", $mergeinfo;
+ my @merges = sort keys %$mergeinfo;
my @merge_tips;
my $url = $self->url;
my $uuid = $self->ra_uuid;
my @all_ranges;
for my $merge ( @merges ) {
my ($tip_commit, @ranges) =
- lookup_svn_merge( $uuid, $url, $merge );
+ lookup_svn_merge( $uuid, $url,
+ $merge, $mergeinfo->{$merge} );
unless (!$tip_commit or
grep { $_ eq $tip_commit } @$parents ) {
push @merge_tips, $tip_commit;
# check merge tips for new parents
my @new_parents;
for my $merge_tip ( @merge_tips ) {
- my $spec = shift @merges;
+ my $merge = shift @merges;
next unless $merge_tip and $excluded{$merge_tip};
+ my $spec = "$merge:$mergeinfo->{$merge}";
# check out 'new' tips
my $merge_base;
}
# double check that there are no missing non-merge commits
- my (@incomplete) = check_cherry_pick(
+ my ($ninc, $ifirst) = check_cherry_pick2(
$merge_base, $merge_tip,
$parents,
@all_ranges,
);
- if ( @incomplete ) {
- warn "W:svn cherry-pick ignored ($spec) - missing "
- .@incomplete." commit(s) (eg $incomplete[0])\n";
+ if ($ninc) {
+ warn "W: svn cherry-pick ignored ($spec) - missing " .
+ "$ninc commit(s) (eg $ifirst)\n";
} else {
- warn
- "Found merge parent (svn:mergeinfo prop): ",
- $merge_tip, "\n";
+ warn "Found merge parent ($spec): ", $merge_tip, "\n";
push @new_parents, $merge_tip;
}
}
}
sub make_log_entry {
- my ($self, $rev, $parents, $ed) = @_;
+ my ($self, $rev, $parents, $ed, $parent_rev, $parent_path) = @_;
my $untracked = $self->get_untracked($ed);
my @parents = @$parents;
- my $ps = $ed->{path_strip} || "";
- for my $path ( grep { m/$ps/ } %{$ed->{dir_prop}} ) {
- my $props = $ed->{dir_prop}{$path};
- if ( $props->{"svk:merge"} ) {
- $self->find_extra_svk_parents
- ($ed, $props->{"svk:merge"}, \@parents);
- }
- if ( $props->{"svn:mergeinfo"} ) {
- $self->find_extra_svn_parents
- ($ed,
- $props->{"svn:mergeinfo"},
- \@parents);
- }
+ my $props = $ed->{dir_prop}{$self->path};
+ if ( $props->{"svk:merge"} ) {
+ $self->find_extra_svk_parents($props->{"svk:merge"}, \@parents);
+ }
+ if ( $props->{"svn:mergeinfo"} ) {
+ my $mi_changes = $self->mergeinfo_changes
+ ($parent_path, $parent_rev,
+ $self->path, $rev,
+ $props->{"svn:mergeinfo"});
+ $self->find_extra_svn_parents($mi_changes, \@parents);
}
open my $un, '>>', "$self->{dir}/unhandled.log" or croak $!;
unlink $path or croak "unlink: $!";
}
+#define a global associate map to record rebuild status
+my %rebuild_status;
+#define a global associate map to record rebuild verify status
+my %rebuild_verify_status;
+
sub rebuild {
my ($self) = @_;
my $map_path = $self->map_path;
my $partial = (-e $map_path && ! -z $map_path);
- return unless ::verify_ref($self->refname.'^0');
+ my $verify_key = $self->refname.'^0';
+ if (!$rebuild_verify_status{$verify_key}) {
+ my $verify_result = ::verify_ref($verify_key);
+ if ($verify_result) {
+ $rebuild_verify_status{$verify_key} = 1;
+ }
+ }
+ if (!$rebuild_verify_status{$verify_key}) {
+ return;
+ }
if (!$partial && ($self->use_svm_props || $self->no_metadata)) {
my $rev_db = $self->rev_db_path;
$self->rebuild_from_rev_db($rev_db);
print "Rebuilding $map_path ...\n" if (!$partial);
my ($base_rev, $head) = ($partial ? $self->rev_map_max_norebuild(1) :
(undef, undef));
+ my $key_value = ($head ? "$head.." : "") . $self->refname;
+ if (exists $rebuild_status{$key_value}) {
+ print "Done rebuilding $map_path\n" if (!$partial || !$head);
+ my $rev_db_path = $self->rev_db_path;
+ if (-f $self->rev_db_path) {
+ unlink $self->rev_db_path or croak "unlink: $!";
+ }
+ $self->unlink_rev_db_symlink;
+ return;
+ }
my ($log, $ctx) =
- command_output_pipe(qw/rev-list --pretty=raw --reverse/,
- ($head ? "$head.." : "") . $self->refname,
+ command_output_pipe(qw/rev-list --pretty=raw --reverse/,
+ $key_value,
'--');
+ $rebuild_status{$key_value} = 1;
my $metadata_url = $self->metadata_url;
remove_username($metadata_url);
my $svn_uuid = $self->rewrite_uuid || $self->ra_uuid;