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reflog: simplify the append logic

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Remove some duplicated logic.
This commit is contained in:
Carlos Martín Nieto 2014-03-19 06:59:09 +01:00
parent 1afe140043
commit afc57eb48f
1 changed files with 7 additions and 22 deletions
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29
src/refdb_fs.c
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@ -1572,11 +1572,10 @@ success:
/* Append to the reflog, must be called under reference lock */
static int reflog_append(refdb_fs_backend *backend, const git_reference *ref, const git_oid *old, const git_oid *new, const git_signature *who, const char *message)
{
int error, is_symbolic, currently_exists;
int error, is_symbolic;
git_oid old_id = {{0}}, new_id = {{0}};
git_buf buf = GIT_BUF_INIT, path = GIT_BUF_INIT;
git_repository *repo = backend->repo;
git_reference *current_ref = NULL;
is_symbolic = ref->type == GIT_REF_SYMBOLIC;
@ -1586,37 +1585,23 @@ static int reflog_append(refdb_fs_backend *backend, const git_reference *ref, co
!(old && new))
return 0;
error = git_reference_lookup(&current_ref, repo, ref->name);
if (error < 0 && error != GIT_ENOTFOUND)
return error;
currently_exists = !!current_ref;
git_reference_free(current_ref);
/* From here on is_symoblic also means that it's HEAD */
if (old) {
git_oid_cpy(&old_id, old);
} else if (currently_exists) {
} else {
error = git_reference_name_to_id(&old_id, repo, ref->name);
if (error == GIT_ENOTFOUND) {
memset(&old_id, 0, sizeof(git_oid));
error = 0;
}
if (error < 0)
if (error < 0 && error != GIT_ENOTFOUND)
return error;
}
if (is_symbolic) {
error = git_reference_name_to_id(&new_id, repo, git_reference_symbolic_target(ref));
if (error != 0 && error != GIT_ENOTFOUND)
goto cleanup;
if (error < 0 && error != GIT_ENOTFOUND)
return error;
/* detaching HEAD does not create an entry */
if (error == GIT_ENOTFOUND) {
error = 0;
goto cleanup;
}
if (error == GIT_ENOTFOUND)
return 0;
giterr_clear();
}