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clone: factor out HEAD update code

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While at it, update the comment at "if (remote_head)"

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy 2012-01-16 16:46:10 +07:00 committed by Junio C Hamano
parent c39852c18d
commit f034d3549f
1 changed files with 24 additions and 17 deletions
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41
builtin/clone.c
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@ -486,6 +486,29 @@ static void write_followtags(const struct ref *refs, const char *msg)
}
}
static void update_head(const struct ref *our, const struct ref *remote,
const char *msg)
{
if (our) {
/* Local default branch link */
create_symref("HEAD", our->name, NULL);
if (!option_bare) {
const char *head = skip_prefix(our->name, "refs/heads/");
update_ref(msg, "HEAD", our->old_sha1, NULL, 0, DIE_ON_ERR);
install_branch_config(0, head, option_origin, our->name);
}
} else if (remote) {
/*
* We know remote HEAD points to a non-branch, or
* HEAD points to a branch but we don't know which one, or
* we asked for a specific branch but it did not exist.
* Detach HEAD in all these cases.
*/
update_ref(msg, "HEAD", remote->old_sha1,
NULL, REF_NODEREF, DIE_ON_ERR);
}
}
static int checkout(void)
{
unsigned char sha1[20];
@ -807,23 +830,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
reflog_msg.buf);
}
if (our_head_points_at) {
/* Local default branch link */
create_symref("HEAD", our_head_points_at->name, NULL);
if (!option_bare) {
const char *head = skip_prefix(our_head_points_at->name,
"refs/heads/");
update_ref(reflog_msg.buf, "HEAD",
our_head_points_at->old_sha1,
NULL, 0, DIE_ON_ERR);
install_branch_config(0, head, option_origin,
our_head_points_at->name);
}
} else if (remote_head) {
/* Source had detached HEAD pointing somewhere. */
update_ref(reflog_msg.buf, "HEAD", remote_head->old_sha1,
NULL, REF_NODEREF, DIE_ON_ERR);
}
update_head(our_head_points_at, remote_head, reflog_msg.buf);
if (transport) {
transport_unlock_pack(transport);