Merge branch 'jk/git-pm-bare-repo-fix'

In Git 2.39, Git.pm stopped working in a bare repository, which has
been corrected.

* jk/git-pm-bare-repo-fix:
  Git.pm: use "rev-parse --absolute-git-dir" rather than perl code
  Git.pm: fix bare repository search with Directory option

Author: gitster

perl/Git.pm

@@ -187,7 +187,7 @@ sub repository {
 		try {
 		  # Note that "--is-bare-repository" must come first, as
 		  # --git-dir output could contain newlines.
-		  $out = $search->command([qw(rev-parse --is-bare-repository --git-dir)],
+		  $out = $search->command([qw(rev-parse --is-bare-repository --absolute-git-dir)],
 			                  STDERR => 0);
 		} catch Git::Error::Command with {
 			throw Error::Simple("fatal: not a git repository: $opts{Directory}");
@@ -196,12 +196,12 @@ sub repository {
 		chomp $out;
 		my ($bare, $dir) = split /\n/, $out, 2;
 
-		require Cwd;
-		if ($bare ne 'true') {
-			require File::Spec;
-			File::Spec->file_name_is_absolute($dir) or $dir = $opts{Directory} . '/' . $dir;
-			$opts{Repository} = Cwd::abs_path($dir);
+		# We know this is an absolute path, because we used
+		# --absolute-git-dir above.
+		$opts{Repository} = $dir;
 
+		if ($bare ne 'true') {
+			require Cwd;
 			# If --git-dir went ok, this shouldn't die either.
 			my $prefix = $search->command_oneline('rev-parse', '--show-prefix');
 			$dir = Cwd::abs_path($opts{Directory}) . '/';
@@ -214,8 +214,6 @@ sub repository {
 			$opts{WorkingCopy} = $dir;
 			$opts{WorkingSubdir} = $prefix;
 
-		} else {
-			$opts{Repository} = Cwd::abs_path($dir);
 		}
 
 		delete $opts{Directory};

t/t9700-perl-git.sh

@@ -45,7 +45,8 @@ test_expect_success 'set up test repository' '
 '
 
 test_expect_success 'set up bare repository' '
-	git init --bare bare.git
+	git init --bare bare.git &&
+	git -C bare.git --work-tree=. commit --allow-empty -m "bare commit"
 '
 
 test_expect_success 'use t9700/test.pl to test Git.pm' '

t/t9700/test.pl

@@ -147,6 +147,11 @@ sub adjust_dirsep {
 unlink $tmpfile3;
 chdir($abs_repo_dir);
 
+# open alternate bare repo
+my $r4 = Git->repository(Directory => "$abs_repo_dir/bare.git");
+is($r4->command_oneline(qw(log --format=%s)), "bare commit",
+	"log of bare repo works");
+
 # unquoting paths
 is(Git::unquote_path('abc'), 'abc', 'unquote unquoted path');
 is(Git::unquote_path('"abc def"'), 'abc def', 'unquote simple quoted path');