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refs: deploy git_repository_set_head() usage

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nulltoken 2012-09-22 12:51:34 +02:00
parent 7eca3c561d
commit f3cc78340a
1 changed files with 13 additions and 17 deletions
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30
src/refs.c
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@ -1343,6 +1343,7 @@ int git_reference_rename(git_reference *ref, const char *new_name, int force)
unsigned int normalization_flags;
git_buf aux_path = GIT_BUF_INIT;
char normalized[GIT_REFNAME_MAX];
bool should_head_be_updated = false;
const char *head_target = NULL;
git_reference *head = NULL;
@ -1366,6 +1367,15 @@ int git_reference_rename(git_reference *ref, const char *new_name, int force)
if (git_buf_joinpath(&aux_path, ref->owner->path_repository, new_name) < 0)
return -1;
/*
* Check if we have to update HEAD.
*/
if (git_repository_head(&head, ref->owner) < 0)
goto cleanup;
should_head_be_updated = !strcmp(git_reference_name(head), ref->name);
git_reference_free(head);
/*
* Now delete the old ref and remove an possibly existing directory
* named `new_name`. Note that using the internal `reference_delete`
@ -1390,25 +1400,13 @@ int git_reference_rename(git_reference *ref, const char *new_name, int force)
goto rollback;
/*
* Check if we have to update HEAD.
* Update HEAD it was poiting to the reference being renamed.
*/
if (git_reference_lookup(&head, ref->owner, GIT_HEAD_FILE) < 0) {
giterr_set(GITERR_REFERENCE,
"Failed to update HEAD after renaming reference");
goto cleanup;
}
head_target = git_reference_target(head);
if (head_target && !strcmp(head_target, ref->name)) {
git_reference_free(head);
head = NULL;
if (git_reference_create_symbolic(&head, ref->owner, GIT_HEAD_FILE, new_name, 1) < 0) {
if (should_head_be_updated &&
git_repository_set_head(ref->owner, new_name) < 0) {
giterr_set(GITERR_REFERENCE,
"Failed to update HEAD after renaming reference");
goto cleanup;
}
}
/*
@ -1426,12 +1424,10 @@ int git_reference_rename(git_reference *ref, const char *new_name, int force)
/* The reference is no longer packed */
ref->flags &= ~GIT_REF_PACKED;
git_reference_free(head);
git_buf_free(&aux_path);
return 0;
cleanup:
git_reference_free(head);
git_buf_free(&aux_path);
return -1;