Implement the object-format extensions that let us determine the hash
algorithm in use when pushing, pulling, and fetching.
Signed-off-by: brian m. carlson <sandals@xxxxxxxxxxxxxxxxxxxx>
---
remote-curl.c | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/remote-curl.c b/remote-curl.c
index 1c9aa3d0ab..3ed0dfec1b 100644
--- a/remote-curl.c
+++ b/remote-curl.c
@@ -41,7 +41,9 @@ struct options {
deepen_relative : 1,
from_promisor : 1,
no_dependents : 1,
- atomic : 1;
+ atomic : 1,
+ object_format : 1;
+ const struct git_hash_algo *hash_algo;
};
static struct options options;
static struct string_list cas_options = STRING_LIST_INIT_DUP;
@@ -190,6 +192,16 @@ static int set_option(const char *name, const char *value)
} else if (!strcmp(name, "filter")) {
options.filter = xstrdup(value);
return 0;
+ } else if (!strcmp(name, "object-format")) {
+ int algo;
+ options.object_format = 1;
+ if (strcmp(value, "true")) {
+ algo = hash_algo_by_name(value);
+ if (algo == GIT_HASH_UNKNOWN)
+ die("unknown object format '%s'", value);
+ options.hash_algo = &hash_algos[algo];
+ }
+ return 0;
} else {
return 1 /* unsupported */;
}
@@ -231,6 +243,7 @@ static struct ref *parse_git_refs(struct discovery *heads, int for_push)
case protocol_v0:
get_remote_heads(&reader, &list, for_push ? REF_NORMAL : 0,
NULL, &heads->shallow);
+ options.hash_algo = reader.hash_algo;
break;
case protocol_unknown_version:
BUG("unknown protocol version");
@@ -509,6 +522,9 @@ static struct ref *get_refs(int for_push)
static void output_refs(struct ref *refs)
{
struct ref *posn;
+ if (options.object_format && options.hash_algo) {
+ printf(":object-format %s\n", options.hash_algo->name);
+ }
for (posn = refs; posn; posn = posn->next) {
if (posn->symref)
printf("@%s %s\n", posn->symref, posn->name);
@@ -1439,6 +1455,7 @@ int cmd_main(int argc, const char **argv)
printf("option\n");
printf("push\n");
printf("check-connectivity\n");
+ printf("object-format\n");
printf("\n");
fflush(stdout);
} else if (skip_prefix(buf.buf, "stateless-connect ", &arg)) {
