Skip to content

G
git2
Commit e0011be3 by Vicent Marti
Options

Fix the opening of empty repositories 

We were checking for the index file, which is not assured to exist on
clean git repositories.

Signed-off-by: Vicent Marti <tanoku@gmail.com>
parent 45314a7e
Showing with 71 additions and 51 deletions
src/repository.c
......@@ -68,12 +68,12 @@ uint32_t object_table_hash(const void *key, int hash_id)
*
* Open a repository object from its path
*/
static int assign_repository_DIRs(git_repository *repo,
static int assign_repository_dirs(
git_repository *repo,
const char *git_dir,
const char *git_object_directory,
const char *git_index_file,
const char *git_work_tree,
int is_repo_being_created)
const char *git_work_tree)
{
char path_aux[GIT_PATH_MAX];
size_t git_dir_path_len;
......@@ -104,22 +104,11 @@ static int assign_repository_DIRs(git_repository *repo,
return error;
}
/* Ensure GIT_OBJECT_DIRECTORY exists */
if (gitfo_isdir(path_aux) < GIT_SUCCESS)
return GIT_ENOTFOUND;
/* Store GIT_OBJECT_DIRECTORY */
repo->path_odb = git__strdup(path_aux);
if (repo->path_odb == NULL)
return GIT_ENOMEM;
if (!is_repo_being_created) {
/* Ensure HEAD file exists */
git__joinpath(path_aux, repo->path_repository, GIT_HEAD_FILE);
if (gitfo_exists(path_aux) < 0)
return GIT_ENOTAREPO;
}
/* path to GIT_WORK_TREE */
if (git_work_tree == NULL)
repo->is_bare = 1;
......@@ -142,12 +131,6 @@ static int assign_repository_DIRs(git_repository *repo,
return error;
}
if (!is_repo_being_created) {
/* Ensure GIT_INDEX_FILE exists */
if (gitfo_exists(path_aux) < 0)
return GIT_ENOTAREPO;
}
/* store GIT_INDEX_FILE */
repo->path_index = git__strdup(path_aux);
if (repo->path_index == NULL)
......@@ -157,32 +140,42 @@ static int assign_repository_DIRs(git_repository *repo,
return GIT_SUCCESS;
}
static int guess_repository_DIRs(git_repository *repo, const char *repository_path, int is_repo_being_created)
static int check_repository_dirs(git_repository *repo)
{
char path_odb[GIT_PATH_MAX] = "\0", path_index[GIT_PATH_MAX] = "\0", path_work_tree[GIT_PATH_MAX] = "\0";
char dir_name[MAX_GITDIR_TREE_STRUCTURE_PATH_LENGTH];
char path_aux[GIT_PATH_MAX];
int error = GIT_SUCCESS;
if (gitfo_isdir(repo->path_repository) < GIT_SUCCESS)
return GIT_ENOTAREPO;
/* Path to objects database */
git__joinpath(path_odb, repository_path, GIT_OBJECTS_DIR);
/* Ensure GIT_OBJECT_DIRECTORY exists */
if (gitfo_isdir(repo->path_odb) < GIT_SUCCESS)
return GIT_ENOTAREPO;
/* Git directory name */
if (git__basename_r(dir_name, sizeof(dir_name), repository_path) < 0)
return GIT_EINVALIDPATH;
/* Ensure HEAD file exists */
git__joinpath(path_aux, repo->path_repository, GIT_HEAD_FILE);
if (gitfo_exists(path_aux) < 0)
return GIT_ENOTAREPO;
return GIT_SUCCESS;
}
if (strcmp(dir_name, DOT_GIT) == 0) {
static int guess_repository_dirs(git_repository *repo, const char *repository_path)
{
char buffer[GIT_PATH_MAX];
const char *path_work_tree = NULL;
/* Path to index file */
git__joinpath(path_index, repository_path, GIT_INDEX_FILE);
/* Git directory name */
if (git__basename_r(buffer, sizeof(buffer), repository_path) < 0)
return GIT_EINVALIDPATH;
if (strcmp(buffer, DOT_GIT) == 0) {
/* Path to working dir */
if (git__dirname_r(path_work_tree, sizeof(path_work_tree), repository_path) < 0)
if (git__dirname_r(buffer, sizeof(buffer), repository_path) < 0)
return GIT_EINVALIDPATH;
path_work_tree = buffer;
}
error = assign_repository_DIRs(repo, repository_path, path_odb, !*path_index ? NULL : path_index, !*path_work_tree ? NULL : path_work_tree, is_repo_being_created);
return error;
return assign_repository_dirs(repo, repository_path, NULL, NULL, path_work_tree);
}
static git_repository *repository_alloc()
......@@ -243,16 +236,19 @@ int git_repository_open3(git_repository **repo_out,
if (repo == NULL)
return GIT_ENOMEM;
error = assign_repository_DIRs(repo,
error = assign_repository_dirs(repo,
git_dir,
NULL,
git_index_file,
git_work_tree,
0);
git_work_tree);
if (error < GIT_SUCCESS)
goto cleanup;
error = check_repository_dirs(repo);
if (error < GIT_SUCCESS)
goto cleanup;
repo->db = object_database;
*repo_out = repo;
......@@ -279,13 +275,16 @@ int git_repository_open2(git_repository **repo_out,
if (repo == NULL)
return GIT_ENOMEM;
error = assign_repository_DIRs(repo,
error = assign_repository_dirs(repo,
git_dir,
git_object_directory,
git_index_file,
git_work_tree,
0);
git_work_tree);
if (error < GIT_SUCCESS)
goto cleanup;
error = check_repository_dirs(repo);
if (error < GIT_SUCCESS)
goto cleanup;
......@@ -301,7 +300,7 @@ cleanup:
return error;
}
static int repository_open_internal(git_repository **repo_out, const char *path, int is_repo_being_created)
int git_repository_open(git_repository **repo_out, const char *path)
{
git_repository *repo;
int error = GIT_SUCCESS;
......@@ -312,7 +311,11 @@ static int repository_open_internal(git_repository **repo_out, const char *path,
if (repo == NULL)
return GIT_ENOMEM;
error = guess_repository_DIRs(repo, path, is_repo_being_created);
error = guess_repository_dirs(repo, path);
if (error < GIT_SUCCESS)
goto cleanup;
error = check_repository_dirs(repo);
if (error < GIT_SUCCESS)
goto cleanup;
......@@ -328,11 +331,6 @@ cleanup:
return error;
}
int git_repository_open(git_repository **repo_out, const char *path)
{
return repository_open_internal(repo_out, path, 0);
}
static void repository_free(git_repository *repo)
{
assert(repo);
......@@ -506,6 +504,7 @@ static int repo_init_find_dir(repo_init *results, const char* path)
int git_repository_init(git_repository **repo_out, const char *path, unsigned is_bare)
{
int error = GIT_SUCCESS;
git_repository *repo = NULL;
repo_init results;
assert(repo_out && path);
......@@ -524,15 +523,36 @@ int git_repository_init(git_repository **repo_out, const char *path, unsigned is
if (error < GIT_SUCCESS)
goto cleanup;
error = repository_open_internal(repo_out, results.path_repository, 1);
repo = repository_alloc();
if (repo == NULL) {
error = GIT_ENOMEM;
goto cleanup;
}
error = guess_repository_dirs(repo, results.path_repository);
if (error < GIT_SUCCESS)
goto cleanup;
assert((*repo_out)->is_bare == is_bare);
assert(repo->is_bare == is_bare);
error = init_odb(repo);
if (error < GIT_SUCCESS)
goto cleanup;
error = repo_init_createhead(*repo_out);
error = repo_init_createhead(repo);
if (error < GIT_SUCCESS)
goto cleanup;
/* should never fail */
assert(check_repository_dirs(repo) == GIT_SUCCESS);
free(results.path_repository);
*repo_out = repo;
return GIT_SUCCESS;
cleanup:
free(results.path_repository);
git_repository_free(repo);
return error;
}
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment