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get_remote_heads: convert to struct object_id

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Replace an unsigned char array with struct object_id and express several
hard-coded constants in terms of GIT_SHA1_HEXSZ.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Jeff King <peff@peff.net>
This commit is contained in:
brian m. carlson 2015-11-10 02:22:23 +00:00 committed by Jeff King
parent 8338c911d1
commit e96b16cc2a
1 changed files with 12 additions and 10 deletions
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22
connect.c
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@ -120,7 +120,7 @@ struct ref **get_remote_heads(int in, char *src_buf, size_t src_len,
*list = NULL;
for (;;) {
struct ref *ref;
unsigned char old_sha1[20];
struct object_id old_oid;
char *name;
int len, name_len;
char *buffer = packet_buffer;
@ -139,34 +139,36 @@ struct ref **get_remote_heads(int in, char *src_buf, size_t src_len,
if (len > 4 && skip_prefix(buffer, "ERR ", &arg))
die("remote error: %s", arg);
if (len == 48 && skip_prefix(buffer, "shallow ", &arg)) {
if (get_sha1_hex(arg, old_sha1))
if (len == GIT_SHA1_HEXSZ + strlen("shallow ") &&
skip_prefix(buffer, "shallow ", &arg)) {
if (get_oid_hex(arg, &old_oid))
die("protocol error: expected shallow sha-1, got '%s'", arg);
if (!shallow_points)
die("repository on the other end cannot be shallow");
sha1_array_append(shallow_points, old_sha1);
sha1_array_append(shallow_points, old_oid.hash);
continue;
}
if (len < 42 || get_sha1_hex(buffer, old_sha1) || buffer[40] != ' ')
if (len < GIT_SHA1_HEXSZ + 2 || get_oid_hex(buffer, &old_oid) ||
buffer[GIT_SHA1_HEXSZ] != ' ')
die("protocol error: expected sha/ref, got '%s'", buffer);
name = buffer + 41;
name = buffer + GIT_SHA1_HEXSZ + 1;
name_len = strlen(name);
if (len != name_len + 41) {
if (len != name_len + GIT_SHA1_HEXSZ + 1) {
free(server_capabilities);
server_capabilities = xstrdup(name + name_len + 1);
}
if (extra_have && !strcmp(name, ".have")) {
sha1_array_append(extra_have, old_sha1);
sha1_array_append(extra_have, old_oid.hash);
continue;
}
if (!check_ref(name, flags))
continue;
ref = alloc_ref(buffer + 41);
hashcpy(ref->old_oid.hash, old_sha1);
ref = alloc_ref(buffer + GIT_SHA1_HEXSZ + 1);
oidcpy(&ref->old_oid, &old_oid);
*list = ref;
list = &ref->next;
got_at_least_one_head = 1;