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, 5 insertions, 1 deletions

diff --git a/http-fetch.c b/http-fetch.c
index 1df376e745..c4ccc5fea9 100644
--- a/http-fetch.c
+++ b/http-fetch.c
@@ -84,8 +84,11 @@ int cmd_main(int argc, const char **argv)
 	int get_verbosely = 0;
 	int get_recover = 0;
 	int packfile = 0;
+	int nongit;
 	struct object_id packfile_hash;
 
+	setup_git_directory_gently(&nongit);
+
 	while (arg < argc && argv[arg][0] == '-') {
 		const char *p;
 
@@ -115,7 +118,8 @@ int cmd_main(int argc, const char **argv)
 	if (argc != arg + 2 - (commits_on_stdin || packfile))
 		usage(http_fetch_usage);
 
-	setup_git_directory();
+	if (nongit)
+		die(_("not a git repository"));
 
 	git_config(git_default_config, NULL);