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-rw-r--r--third_party/git/perl/Git/IndexInfo.pm6
-rw-r--r--third_party/git/perl/Git/SVN.pm87
-rw-r--r--third_party/git/perl/Git/SVN/Editor.pm8
-rw-r--r--third_party/git/perl/Git/SVN/Fetcher.pm6
-rw-r--r--third_party/git/perl/Git/SVN/Log.pm2
-rw-r--r--third_party/git/perl/Git/SVN/Ra.pm4
6 files changed, 61 insertions, 52 deletions
diff --git a/third_party/git/perl/Git/IndexInfo.pm b/third_party/git/perl/Git/IndexInfo.pm
index a43108c985..2a7b4908f3 100644
--- a/third_party/git/perl/Git/IndexInfo.pm
+++ b/third_party/git/perl/Git/IndexInfo.pm
@@ -5,13 +5,15 @@ use Git qw/command_input_pipe command_close_pipe/;
 
 sub new {
 	my ($class) = @_;
+	my $hash_algo = Git::config('extensions.objectformat') || 'sha1';
 	my ($gui, $ctx) = command_input_pipe(qw/update-index -z --index-info/);
-	bless { gui => $gui, ctx => $ctx, nr => 0}, $class;
+	bless { gui => $gui, ctx => $ctx, nr => 0, hash_algo => $hash_algo}, $class;
 }
 
 sub remove {
 	my ($self, $path) = @_;
-	if (print { $self->{gui} } '0 ', 0 x 40, "\t", $path, "\0") {
+	my $length = $self->{hash_algo} eq 'sha256' ? 64 : 40;
+	if (print { $self->{gui} } '0 ', 0 x $length, "\t", $path, "\0") {
 		return ++$self->{nr};
 	}
 	undef;
diff --git a/third_party/git/perl/Git/SVN.pm b/third_party/git/perl/Git/SVN.pm
index 76b2965905..d1c352f92b 100644
--- a/third_party/git/perl/Git/SVN.pm
+++ b/third_party/git/perl/Git/SVN.pm
@@ -2,7 +2,7 @@ package Git::SVN;
 use strict;
 use warnings;
 use Fcntl qw/:DEFAULT :seek/;
-use constant rev_map_fmt => 'NH40';
+use constant rev_map_fmt => 'NH*';
 use vars qw/$_no_metadata
             $_repack $_repack_flags $_use_svm_props $_head
             $_use_svnsync_props $no_reuse_existing
@@ -874,7 +874,7 @@ sub assert_index_clean {
 		command_noisy('read-tree', $treeish) unless -e $self->{index};
 		my $x = command_oneline('write-tree');
 		my ($y) = (command(qw/cat-file commit/, $treeish) =~
-		           /^tree ($::sha1)/mo);
+		           /^tree ($::oid)/mo);
 		return if $y eq $x;
 
 		warn "Index mismatch: $y != $x\nrereading $treeish\n";
@@ -1020,7 +1020,7 @@ sub do_git_commit {
 		$tree = $self->tmp_index_do(sub {
 		                            command_oneline('write-tree') });
 	}
-	die "Tree is not a valid sha1: $tree\n" if $tree !~ /^$::sha1$/o;
+	die "Tree is not a valid oid $tree\n" if $tree !~ /^$::oid$/o;
 
 	my @exec = ('git', 'commit-tree', $tree);
 	foreach ($self->get_commit_parents($log_entry)) {
@@ -1048,8 +1048,8 @@ sub do_git_commit {
 	close $out_fh or croak $!;
 	waitpid $pid, 0;
 	croak $? if $?;
-	if ($commit !~ /^$::sha1$/o) {
-		die "Failed to commit, invalid sha1: $commit\n";
+	if ($commit !~ /^$::oid$/o) {
+		die "Failed to commit, invalid oid: $commit\n";
 	}
 
 	$self->rev_map_set($log_entry->{revision}, $commit, 1);
@@ -1491,6 +1491,10 @@ sub call_authors_prog {
 
 sub check_author {
 	my ($author) = @_;
+	if (defined $author) {
+		$author =~ s/^\s+//g;
+		$author =~ s/\s+$//g;
+	}
 	if (!defined $author || length $author == 0) {
 		$author = '(no author)';
 	}
@@ -2083,10 +2087,10 @@ sub rebuild_from_rev_db {
 	open my $fh, '<', $path or croak "open: $!";
 	binmode $fh or croak "binmode: $!";
 	while (<$fh>) {
-		length($_) == 41 or croak "inconsistent size in ($_) != 41";
+		length($_) == $::oid_length + 1 or croak "inconsistent size in ($_)";
 		chomp($_);
 		++$r;
-		next if $_ eq ('0' x 40);
+		next if $_ eq ('0' x $::oid_length);
 		$self->rev_map_set($r, $_);
 		print "r$r = $_\n";
 	}
@@ -2146,7 +2150,7 @@ sub rebuild {
 	my $svn_uuid = $self->rewrite_uuid || $self->ra_uuid;
 	my $c;
 	while (<$log>) {
-		if ( m{^commit ($::sha1)$} ) {
+		if ( m{^commit ($::oid)$} ) {
 			$c = $1;
 			next;
 		}
@@ -2192,9 +2196,9 @@ sub rebuild {
 # (mainly tags)
 #
 # The format is this:
-#   - 24 bytes for every record,
+#   - 24 or 36 bytes for every record,
 #     * 4 bytes for the integer representing an SVN revision number
-#     * 20 bytes representing the sha1 of a git commit
+#     * 20 or 32 bytes representing the oid of a git commit
 #   - No empty padding records like the old format
 #     (except the last record, which can be overwritten)
 #   - new records are written append-only since SVN revision numbers
@@ -2203,7 +2207,7 @@ sub rebuild {
 #   - Piping the file to xxd -c24 is a good way of dumping it for
 #     viewing or editing (piped back through xxd -r), should the need
 #     ever arise.
-#   - The last record can be padding revision with an all-zero sha1
+#   - The last record can be padding revision with an all-zero oid
 #     This is used to optimize fetch performance when using multiple
 #     "fetch" directives in .git/config
 #
@@ -2211,38 +2215,39 @@ sub rebuild {
 
 sub _rev_map_set {
 	my ($fh, $rev, $commit) = @_;
+	my $record_size = ($::oid_length / 2) + 4;
 
 	binmode $fh or croak "binmode: $!";
 	my $size = (stat($fh))[7];
-	($size % 24) == 0 or croak "inconsistent size: $size";
+	($size % $record_size) == 0 or croak "inconsistent size: $size";
 
 	my $wr_offset = 0;
 	if ($size > 0) {
-		sysseek($fh, -24, SEEK_END) or croak "seek: $!";
-		my $read = sysread($fh, my $buf, 24) or croak "read: $!";
-		$read == 24 or croak "read only $read bytes (!= 24)";
+		sysseek($fh, -$record_size, SEEK_END) or croak "seek: $!";
+		my $read = sysread($fh, my $buf, $record_size) or croak "read: $!";
+		$read == $record_size or croak "read only $read bytes (!= $record_size)";
 		my ($last_rev, $last_commit) = unpack(rev_map_fmt, $buf);
-		if ($last_commit eq ('0' x40)) {
-			if ($size >= 48) {
-				sysseek($fh, -48, SEEK_END) or croak "seek: $!";
-				$read = sysread($fh, $buf, 24) or
+		if ($last_commit eq ('0' x $::oid_length)) {
+			if ($size >= ($record_size * 2)) {
+				sysseek($fh, -($record_size * 2), SEEK_END) or croak "seek: $!";
+				$read = sysread($fh, $buf, $record_size) or
 				    croak "read: $!";
-				$read == 24 or
-				    croak "read only $read bytes (!= 24)";
+				$read == $record_size or
+				    croak "read only $read bytes (!= $record_size)";
 				($last_rev, $last_commit) =
 				    unpack(rev_map_fmt, $buf);
-				if ($last_commit eq ('0' x40)) {
+				if ($last_commit eq ('0' x $::oid_length)) {
 					croak "inconsistent .rev_map\n";
 				}
 			}
 			if ($last_rev >= $rev) {
 				croak "last_rev is higher!: $last_rev >= $rev";
 			}
-			$wr_offset = -24;
+			$wr_offset = -$record_size;
 		}
 	}
 	sysseek($fh, $wr_offset, SEEK_END) or croak "seek: $!";
-	syswrite($fh, pack(rev_map_fmt, $rev, $commit), 24) == 24 or
+	syswrite($fh, pack(rev_map_fmt, $rev, $commit), $record_size) == $record_size or
 	  croak "write: $!";
 }
 
@@ -2267,7 +2272,7 @@ sub mkfile {
 sub rev_map_set {
 	my ($self, $rev, $commit, $update_ref, $uuid) = @_;
 	defined $commit or die "missing arg3\n";
-	length $commit == 40 or die "arg3 must be a full SHA1 hexsum\n";
+	$commit =~ /^$::oid$/ or die "arg3 must be a full hex object ID\n";
 	my $db = $self->map_path($uuid);
 	my $db_lock = "$db.lock";
 	my $sigmask;
@@ -2340,29 +2345,30 @@ sub rev_map_max {
 
 sub rev_map_max_norebuild {
 	my ($self, $want_commit) = @_;
+	my $record_size = ($::oid_length / 2) + 4;
 	my $map_path = $self->map_path;
 	stat $map_path or return $want_commit ? (0, undef) : 0;
 	sysopen(my $fh, $map_path, O_RDONLY) or croak "open: $!";
 	binmode $fh or croak "binmode: $!";
 	my $size = (stat($fh))[7];
-	($size % 24) == 0 or croak "inconsistent size: $size";
+	($size % $record_size) == 0 or croak "inconsistent size: $size";
 
 	if ($size == 0) {
 		close $fh or croak "close: $!";
 		return $want_commit ? (0, undef) : 0;
 	}
 
-	sysseek($fh, -24, SEEK_END) or croak "seek: $!";
-	sysread($fh, my $buf, 24) == 24 or croak "read: $!";
+	sysseek($fh, -$record_size, SEEK_END) or croak "seek: $!";
+	sysread($fh, my $buf, $record_size) == $record_size or croak "read: $!";
 	my ($r, $c) = unpack(rev_map_fmt, $buf);
-	if ($want_commit && $c eq ('0' x40)) {
-		if ($size < 48) {
+	if ($want_commit && $c eq ('0' x $::oid_length)) {
+		if ($size < $record_size * 2) {
 			return $want_commit ? (0, undef) : 0;
 		}
-		sysseek($fh, -48, SEEK_END) or croak "seek: $!";
-		sysread($fh, $buf, 24) == 24 or croak "read: $!";
+		sysseek($fh, -($record_size * 2), SEEK_END) or croak "seek: $!";
+		sysread($fh, $buf, $record_size) == $record_size or croak "read: $!";
 		($r, $c) = unpack(rev_map_fmt, $buf);
-		if ($c eq ('0'x40)) {
+		if ($c eq ('0' x $::oid_length)) {
 			croak "Penultimate record is all-zeroes in $map_path";
 		}
 	}
@@ -2383,30 +2389,31 @@ sub rev_map_get {
 
 sub _rev_map_get {
 	my ($fh, $rev) = @_;
+	my $record_size = ($::oid_length / 2) + 4;
 
 	binmode $fh or croak "binmode: $!";
 	my $size = (stat($fh))[7];
-	($size % 24) == 0 or croak "inconsistent size: $size";
+	($size % $record_size) == 0 or croak "inconsistent size: $size";
 
 	if ($size == 0) {
 		return undef;
 	}
 
-	my ($l, $u) = (0, $size - 24);
+	my ($l, $u) = (0, $size - $record_size);
 	my ($r, $c, $buf);
 
 	while ($l <= $u) {
-		my $i = int(($l/24 + $u/24) / 2) * 24;
+		my $i = int(($l/$record_size + $u/$record_size) / 2) * $record_size;
 		sysseek($fh, $i, SEEK_SET) or croak "seek: $!";
-		sysread($fh, my $buf, 24) == 24 or croak "read: $!";
+		sysread($fh, my $buf, $record_size) == $record_size or croak "read: $!";
 		my ($r, $c) = unpack(rev_map_fmt, $buf);
 
 		if ($r < $rev) {
-			$l = $i + 24;
+			$l = $i + $record_size;
 		} elsif ($r > $rev) {
-			$u = $i - 24;
+			$u = $i - $record_size;
 		} else { # $r == $rev
-			return $c eq ('0' x 40) ? undef : $c;
+			return $c eq ('0' x $::oid_length) ? undef : $c;
 		}
 	}
 	undef;
diff --git a/third_party/git/perl/Git/SVN/Editor.pm b/third_party/git/perl/Git/SVN/Editor.pm
index 0df16ed726..c961444d4c 100644
--- a/third_party/git/perl/Git/SVN/Editor.pm
+++ b/third_party/git/perl/Git/SVN/Editor.pm
@@ -63,7 +63,7 @@ sub generate_diff {
 	my @mods;
 	while (defined($_ = get_record($diff_fh, "\0"))) {
 		if ($state eq 'meta' && /^:(\d{6})\s(\d{6})\s
-					($::sha1)\s($::sha1)\s
+					($::oid)\s($::oid)\s
 					([MTCRAD])\d*$/xo) {
 			push @mods, {	mode_a => $1, mode_b => $2,
 					sha1_a => $3, sha1_b => $4,
@@ -400,12 +400,12 @@ sub T {
 	    ($m->{mode_b} !~ /^120/ && $m->{mode_a} =~ /^120/)) {
 		$self->D({
 			mode_a => $m->{mode_a}, mode_b => '000000',
-			sha1_a => $m->{sha1_a}, sha1_b => '0' x 40,
+			sha1_a => $m->{sha1_a}, sha1_b => '0' x $::oid_length,
 			chg => 'D', file_b => $m->{file_b}
 		}, $deletions);
 		$self->A({
 			mode_a => '000000', mode_b => $m->{mode_b},
-			sha1_a => '0' x 40, sha1_b => $m->{sha1_b},
+			sha1_a => '0' x $::oid_length, sha1_b => $m->{sha1_b},
 			chg => 'A', file_b => $m->{file_b}
 		}, $deletions);
 		return;
@@ -434,7 +434,7 @@ sub _chg_file_get_blob ($$$$) {
 		$self->change_file_prop($fbat,'svn:special',undef);
 	}
 	my $blob = $m->{"sha1_$which"};
-	return ($fh,) if ($blob =~ /^0{40}$/);
+	return ($fh,) if ($blob =~ /^0+$/);
 	my $size = $::_repository->cat_blob($blob, $fh);
 	croak "Failed to read object $blob" if ($size < 0);
 	$fh->flush == 0 or croak $!;
diff --git a/third_party/git/perl/Git/SVN/Fetcher.pm b/third_party/git/perl/Git/SVN/Fetcher.pm
index 64e900a0e9..729e5337df 100644
--- a/third_party/git/perl/Git/SVN/Fetcher.pm
+++ b/third_party/git/perl/Git/SVN/Fetcher.pm
@@ -173,7 +173,7 @@ sub delete_entry {
 
 	# remove entire directories.
 	my ($tree) = (command('ls-tree', '-z', $self->{c}, "./$gpath")
-	                 =~ /\A040000 tree ([a-f\d]{40})\t\Q$gpath\E\0/);
+	                 =~ /\A040000 tree ($::oid)\t\Q$gpath\E\0/);
 	if ($tree) {
 		my ($ls, $ctx) = command_output_pipe(qw/ls-tree
 		                                     -r --name-only -z/,
@@ -203,7 +203,7 @@ sub open_file {
 
 	my $gpath = $self->git_path($path);
 	($mode, $blob) = (command('ls-tree', '-z', $self->{c}, "./$gpath")
-	                     =~ /\A(\d{6}) blob ([a-f\d]{40})\t\Q$gpath\E\0/);
+	                     =~ /\A(\d{6}) blob ($::oid)\t\Q$gpath\E\0/);
 	unless (defined $mode && defined $blob) {
 		die "$path was not found in commit $self->{c} (r$rev)\n";
 	}
@@ -413,7 +413,7 @@ sub close_file {
 
 		$hash = $::_repository->hash_and_insert_object(
 				Git::temp_path($fh));
-		$hash =~ /^[a-f\d]{40}$/ or die "not a sha1: $hash\n";
+		$hash =~ /^$::oid$/ or die "not an object ID: $hash\n";
 
 		Git::temp_release($fb->{base}, 1);
 		Git::temp_release($fh, 1);
diff --git a/third_party/git/perl/Git/SVN/Log.pm b/third_party/git/perl/Git/SVN/Log.pm
index 664105357c..3858fcf27d 100644
--- a/third_party/git/perl/Git/SVN/Log.pm
+++ b/third_party/git/perl/Git/SVN/Log.pm
@@ -285,7 +285,7 @@ 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 (?:- )?($::oid_short)/o) {
 			my $cmt = $1;
 			if ($c && cmt_showable($c) && $c->{r} != $r_last) {
 				$r_last = $c->{r};
diff --git a/third_party/git/perl/Git/SVN/Ra.pm b/third_party/git/perl/Git/SVN/Ra.pm
index 56ad9870bc..2cfe055a9a 100644
--- a/third_party/git/perl/Git/SVN/Ra.pm
+++ b/third_party/git/perl/Git/SVN/Ra.pm
@@ -486,11 +486,11 @@ sub gs_fetch_loop_common {
 			$reload_ra->() if $ra_invalid;
 		}
 		# pre-fill the .rev_db since it'll eventually get filled in
-		# with '0' x40 if something new gets committed
+		# with '0' x $oid_length if something new gets committed
 		foreach my $gs (@$gsv) {
 			next if $gs->rev_map_max >= $max;
 			next if defined $gs->rev_map_get($max);
-			$gs->rev_map_set($max, 0 x40);
+			$gs->rev_map_set($max, 0 x $::oid_length);
 		}
 		foreach my $g (@$globs) {
 			my $k = "svn-remote.$g->{remote}.$g->{t}-maxRev";