Merge branch 'bc/sha-256-part-3'

The final leg of SHA-256 transition.

* bc/sha-256-part-3: (39 commits)
  t: remove test_oid_init in tests
  docs: add documentation for extensions.objectFormat
  ci: run tests with SHA-256
  t: make SHA1 prerequisite depend on default hash
  t: allow testing different hash algorithms via environment
  t: add test_oid option to select hash algorithm
  repository: enable SHA-256 support by default
  setup: add support for reading extensions.objectformat
  bundle: add new version for use with SHA-256
  builtin/verify-pack: implement an --object-format option
  http-fetch: set up git directory before parsing pack hashes
  t0410: mark test with SHA1 prerequisite
  t5308: make test work with SHA-256
  t9700: make hash size independent
  t9500: ensure that algorithm info is preserved in config
  t9350: make hash size independent
  t9301: make hash size independent
  t9300: use $ZERO_OID instead of hard-coded object ID
  t9300: abstract away SHA-1-specific constants
  t8011: make hash size independent
  ...

1 files changed, 4 insertions, 2 deletions

diff --git a/t/t9700/test.pl b/t/t9700/test.pl
index c59a015f89..e046f7db76 100755
--- a/t/t9700/test.pl
+++ b/t/t9700/test.pl
@@ -23,6 +23,8 @@ sub adjust_dirsep {
 	return $path;
 }
 
+my $oid_re = qr/^[0-9a-fA-F]{40}(?:[0-9a-fA-F]{24})?$/;
+
 BEGIN { use_ok('Git') }
 
 # set up
@@ -93,7 +95,7 @@ is(Git::hash_object("blob", $tmpfile), $file1hash, "hash_object: roundtrip");
 open TEMPFILE, ">$tmpfile" or die "Can't open $tmpfile: $!";
 print TEMPFILE my $test_text = "test blob, to be inserted\n";
 close TEMPFILE or die "Failed writing to $tmpfile: $!";
-like(our $newhash = $r->hash_and_insert_object($tmpfile), qr/[0-9a-fA-F]{40}/,
+like(our $newhash = $r->hash_and_insert_object($tmpfile), $oid_re,
      "hash_and_insert_object: returns hash");
 open TEMPFILE, "+>$tmpfile" or die "Can't open $tmpfile: $!";
 is($r->cat_blob($newhash, \*TEMPFILE), length $test_text, "cat_blob: roundtrip size");
@@ -119,7 +121,7 @@ is($r2->wc_subdir, "directory2/", "wc_subdir initial (2)");
 
 # commands in sub directory
 my $last_commit = $r2->command_oneline(qw(rev-parse --verify HEAD));
-like($last_commit, qr/^[0-9a-fA-F]{40}$/, 'rev-parse returned hash');
+like($last_commit, $oid_re, 'rev-parse returned hash');
 my $dir_commit = $r2->command_oneline('log', '-n1', '--pretty=format:%H', '.');
 isnt($last_commit, $dir_commit, 'log . does not show last commit');