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repo: ensure is_empty() checks there are no refs

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This commit is contained in:
nulltoken 2012-11-17 07:19:14 -08:00
parent f5a0e734bc
commit 6091457e76
3 changed files with 50 additions and 29 deletions
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2
include/git2/repository.h
View File

@ -305,7 +305,7 @@ GIT_EXTERN(int) git_repository_head_orphan(git_repository *repo);
* Check if a repository is empty
*
* An empty repository has just been initialized and contains
* no commits.
* no references.
*
* @param repo Repo to test
* @return 1 if the repository is empty, 0 if it isn't, error code

51
src/repository.c
View File

@ -1241,36 +1241,47 @@ int git_repository_head_orphan(git_repository *repo)
return 0;
}
int at_least_one_cb(const char *refname, void *payload)
{
GIT_UNUSED(refname);
GIT_UNUSED(payload);
return GIT_EUSER;
}
static int repo_contains_no_reference(git_repository *repo)
{
int error;
error = git_reference_foreach(repo, GIT_REF_LISTALL, at_least_one_cb, NULL);
if (error == GIT_EUSER)
return 0;
return error == 0 ? 1 : error;
}
int git_repository_is_empty(git_repository *repo)
{
git_reference *head = NULL, *branch = NULL;
int error;
git_reference *head = NULL;
int error, ref_count = 0;
if (git_reference_lookup(&head, repo, GIT_HEAD_FILE) < 0)
return -1;
if (git_reference_type(head) != GIT_REF_SYMBOLIC) {
git_reference_free(head);
return 0;
}
if (!(error = git_reference_type(head) == GIT_REF_SYMBOLIC))
goto cleanup;
if (strcmp(git_reference_target(head), GIT_REFS_HEADS_DIR "master") != 0) {
git_reference_free(head);
return 0;
}
if (!(error = strcmp(
git_reference_target(head),
GIT_REFS_HEADS_DIR "master") == 0))
goto cleanup;
error = git_reference_resolve(&branch, head);
error = repo_contains_no_reference(repo);
cleanup:
git_reference_free(head);
git_reference_free(branch);
if (error == GIT_ENOTFOUND)
return 1;
if (error < 0)
return -1;
return 0;
return error < 0 ? -1 : error;
}
const char *git_repository_path(git_repository *repo)

26
tests-clar/repo/getters.c
View File

@ -1,16 +1,26 @@
#include "clar_libgit2.h"
void test_repo_getters__empty(void)
void test_repo_getters__is_empty_correctly_deals_with_pristine_looking_repos(void)
{
git_repository *repo_empty, *repo_normal;
git_repository *repo;
cl_git_pass(git_repository_open(&repo_normal, cl_fixture("testrepo.git")));
cl_assert(git_repository_is_empty(repo_normal) == 0);
git_repository_free(repo_normal);
repo = cl_git_sandbox_init("empty_bare.git");
cl_git_remove_placeholders(git_repository_path(repo), "dummy-marker.txt");
cl_git_pass(git_repository_open(&repo_empty, cl_fixture("empty_bare.git")));
cl_assert(git_repository_is_empty(repo_empty) == 1);
git_repository_free(repo_empty);
cl_assert_equal_i(true, git_repository_is_empty(repo));
cl_git_sandbox_cleanup();
}
void test_repo_getters__is_empty_can_detect_used_repositories(void)
{
git_repository *repo;
cl_git_pass(git_repository_open(&repo, cl_fixture("testrepo.git")));
cl_assert_equal_i(false, git_repository_is_empty(repo));
git_repository_free(repo);
}
void test_repo_getters__retrieving_the_odb_honors_the_refcount(void)