diff mbox series

[v2,13/44] fetch-pack: detect when the server doesn't support our hash

Message ID 20200525195930.309665-14-sandals@crustytoothpaste.net (mailing list archive)
State New, archived
Headers show
Series SHA-256 part 2/3: protocol functionality | expand

Commit Message

brian m. carlson May 25, 2020, 7:58 p.m. UTC 
Detect when the server doesn't support our hash algorithm and abort.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
---
 fetch-pack.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/fetch-pack.c b/fetch-pack.c
index 7eaa19d7c1..34c339a5fe 100644
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -1040,6 +1040,8 @@  static struct ref *do_fetch_pack(struct fetch_pack_args *args,
 		print_verbose(args, _("Server supports %s"), "deepen-relative");
 	else if (args->deepen_relative)
 		die(_("Server does not support --deepen"));
+	if (!server_supports_hash(the_hash_algo->name, NULL))
+		die(_("Server does not support this repository's object format"));
 
 	if (!args->no_dependents) {
 		mark_complete_and_common_ref(negotiator, args, &ref);