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Merge pull request #1385 from carlosmn/refs-iter

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Introduce a refs iterator
This commit is contained in:
Edward Thomson 2013-05-11 02:42:49 -07:00
commit b6cc559a78
23 changed files with 521 additions and 277 deletions
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2
examples/general.c
View File

@ -453,7 +453,7 @@ int main (int argc, char** argv)
// Here we will implement something like `git for-each-ref` simply listing
// out all available references and the object SHA they resolve to.
git_strarray ref_list;
git_reference_list(&ref_list, repo, GIT_REF_LISTALL);
git_reference_list(&ref_list, repo);
const char *refname;
git_reference *ref;

44
include/git2/refs.h
View File

@ -297,12 +297,6 @@ GIT_EXTERN(int) git_reference_delete(git_reference *ref);
/**
* Fill a list with all the references that can be found in a repository.
*
* Using the `list_flags` parameter, the listed references may be filtered
* by type (`GIT_REF_OID` or `GIT_REF_SYMBOLIC`) or using a bitwise OR of
* `git_ref_t` values. To include packed refs, include `GIT_REF_PACKED`.
* For convenience, use the value `GIT_REF_LISTALL` to obtain all
* references, including packed ones.
*
* The string array will be filled with the names of all references; these
* values are owned by the user and should be free'd manually when no
* longer needed, using `git_strarray_free()`.
@ -310,36 +304,27 @@ GIT_EXTERN(int) git_reference_delete(git_reference *ref);
* @param array Pointer to a git_strarray structure where
* the reference names will be stored
* @param repo Repository where to find the refs
* @param list_flags Filtering flags for the reference listing
* @return 0 or an error code
*/
GIT_EXTERN(int) git_reference_list(git_strarray *array, git_repository *repo, unsigned int list_flags);
GIT_EXTERN(int) git_reference_list(git_strarray *array, git_repository *repo);
typedef int (*git_reference_foreach_cb)(const char *refname, void *payload);
/**
* Perform a callback on each reference in the repository.
*
* Using the `list_flags` parameter, the references may be filtered by
* type (`GIT_REF_OID` or `GIT_REF_SYMBOLIC`) or using a bitwise OR of
* `git_ref_t` values. To include packed refs, include `GIT_REF_PACKED`.
* For convenience, use the value `GIT_REF_LISTALL` to obtain all
* references, including packed ones.
*
* The `callback` function will be called for each reference in the
* repository, receiving the name of the reference and the `payload` value
* passed to this method. Returning a non-zero value from the callback
* will terminate the iteration.
*
* @param repo Repository where to find the refs
* @param list_flags Filtering flags for the reference listing.
* @param callback Function which will be called for every listed ref
* @param payload Additional data to pass to the callback
* @return 0 on success, GIT_EUSER on non-zero callback, or error code
*/
GIT_EXTERN(int) git_reference_foreach(
git_repository *repo,
unsigned int list_flags,
git_reference_foreach_cb callback,
void *payload);
@ -359,6 +344,31 @@ GIT_EXTERN(void) git_reference_free(git_reference *ref);
*/
GIT_EXTERN(int) git_reference_cmp(git_reference *ref1, git_reference *ref2);
/**
* Create an iterator for the repo's references
*
* @param out pointer in which to store the iterator
* @param repo the repository
* @return 0 or an error code
*/
GIT_EXTERN(int) git_reference_iterator_new(git_reference_iterator **out, git_repository *repo);
/**
* Get the next reference name
*
* @param out pointer in which to store the string
* @param iter the iterator
* @param 0, GIT_ITEROVER if there are no more; or an error code
*/
GIT_EXTERN(int) git_reference_next(const char **out, git_reference_iterator *iter);
/**
* Free the iterator and its associated resources
*
* @param iter the iterator to free
*/
GIT_EXTERN(void) git_reference_iterator_free(git_reference_iterator *iter);
/**
* Perform a callback on each reference in the repository whose name
* matches the given pattern.
@ -373,7 +383,6 @@ GIT_EXTERN(int) git_reference_cmp(git_reference *ref1, git_reference *ref2);
*
* @param repo Repository where to find the refs
* @param glob Pattern to match (fnmatch-style) against reference name.
* @param list_flags Filtering flags for the reference listing.
* @param callback Function which will be called for every listed ref
* @param payload Additional data to pass to the callback
* @return 0 on success, GIT_EUSER on non-zero callback, or error code
@ -381,7 +390,6 @@ GIT_EXTERN(int) git_reference_cmp(git_reference *ref1, git_reference *ref2);
GIT_EXTERN(int) git_reference_foreach_glob(
git_repository *repo,
const char *glob,
unsigned int list_flags,
git_reference_foreach_cb callback,
void *payload);

64
include/git2/sys/refdb_backend.h
View File

@ -20,6 +20,23 @@
*/
GIT_BEGIN_DECL
/**
* Every backend's iterator must have a pointer to itself as the first
* element, so the API can talk to it. You'd define your iterator as
*
* struct my_iterator {
* git_reference_iterator parent;
* ...
* }
*
* and assign `iter->parent.backend` to your `git_refdb_backend`.
*/
struct git_reference_iterator {
git_refdb_backend *backend;
char *glob;
};
/** An instance for a custom backend */
struct git_refdb_backend {
unsigned int version;
@ -43,29 +60,42 @@ struct git_refdb_backend {
const char *ref_name);
/**
* Enumerates each reference in the refdb. A refdb implementation must
* provide this function.
* Allocate an iterator object for the backend.
*
* A refdb implementation must provide this function.
*/
int (*foreach)(
git_refdb_backend *backend,
unsigned int list_flags,
git_reference_foreach_cb callback,
void *payload);
int (*iterator)(
git_reference_iterator **iter,
struct git_refdb_backend *backend);
/**
* Enumerates each reference in the refdb that matches the given
* glob string. A refdb implementation may provide this function;
* if it is not provided, foreach will be used and the results filtered
* against the glob.
* Allocate a glob-filtering iterator object for the backend.
*
* A refdb implementation may provide this function. If it's
* not available, the glob matching will be done by the frontend.
*/
int (*foreach_glob)(
git_refdb_backend *backend,
const char *glob,
unsigned int list_flags,
git_reference_foreach_cb callback,
void *payload);
int (*iterator_glob)(
git_reference_iterator **iter,
struct git_refdb_backend *backend,
const char *glob);
/**
* Return the current value and advance the iterator.
*
* A refdb implementation must provide this function.
*/
int (*next)(
const char **name,
git_reference_iterator *iter);
/**
* Free the iterator
*
* A refdb implementation must provide this function.
*/
void (*iterator_free)(
git_reference_iterator *iter);
/*
* Writes the given reference to the refdb. A refdb implementation
* must provide this function.
*/

4
include/git2/types.h
View File

@ -165,6 +165,10 @@ typedef struct git_signature {
/** In-memory representation of a reference. */
typedef struct git_reference git_reference;
/** Iterator for references */
typedef struct git_reference_iterator git_reference_iterator;
/** Basic type of any Git reference. */
typedef enum {
GIT_REF_INVALID = 0, /** Invalid reference */

57
src/branch.c
View File

@ -124,40 +124,43 @@ on_error:
return error;
}
typedef struct {
git_branch_foreach_cb branch_cb;
void *callback_payload;
unsigned int branch_type;
} branch_foreach_filter;
static int branch_foreach_cb(const char *branch_name, void *payload)
{
branch_foreach_filter *filter = (branch_foreach_filter *)payload;
if (filter->branch_type & GIT_BRANCH_LOCAL &&
git__prefixcmp(branch_name, GIT_REFS_HEADS_DIR) == 0)
return filter->branch_cb(branch_name + strlen(GIT_REFS_HEADS_DIR), GIT_BRANCH_LOCAL, filter->callback_payload);
if (filter->branch_type & GIT_BRANCH_REMOTE &&
git__prefixcmp(branch_name, GIT_REFS_REMOTES_DIR) == 0)
return filter->branch_cb(branch_name + strlen(GIT_REFS_REMOTES_DIR), GIT_BRANCH_REMOTE, filter->callback_payload);
return 0;
}
int git_branch_foreach(
git_repository *repo,
unsigned int list_flags,
git_branch_foreach_cb branch_cb,
git_branch_foreach_cb callback,
void *payload)
{
branch_foreach_filter filter;
git_reference_iterator *iter;
const char *name;
int error;
filter.branch_cb = branch_cb;
filter.branch_type = list_flags;
filter.callback_payload = payload;
if (git_reference_iterator_new(&iter, repo) < 0)
return -1;
while ((error = git_reference_next(&name, iter)) == 0) {
if (list_flags & GIT_BRANCH_LOCAL &&
git__prefixcmp(name, GIT_REFS_HEADS_DIR) == 0) {
if (callback(name + strlen(GIT_REFS_HEADS_DIR), GIT_BRANCH_LOCAL, payload)) {
error = GIT_EUSER;
break;
}
}
if (list_flags & GIT_BRANCH_REMOTE &&
git__prefixcmp(name, GIT_REFS_REMOTES_DIR) == 0) {
if (callback(name + strlen(GIT_REFS_REMOTES_DIR), GIT_BRANCH_REMOTE, payload)) {
error = GIT_EUSER;
break;
}
}
}
if (error == GIT_ITEROVER)
error = 0;
git_reference_iterator_free(iter);
return error;
return git_reference_foreach(repo, GIT_REF_LISTALL, &branch_foreach_cb, (void *)&filter);
}
int git_branch_move(

1
src/clone.c
View File

@ -243,7 +243,6 @@ static int update_head_to_remote(git_repository *repo, git_remote *remote)
/* Not master. Check all the other refs. */
if (git_reference_foreach(
repo,
GIT_REF_LISTALL,
reference_matches_remote_head,
&head_info) < 0)
goto cleanup;

98
src/refdb.c
View File

@ -124,15 +124,62 @@ int git_refdb_lookup(git_reference **out, git_refdb *db, const char *ref_name)
return error;
}
int git_refdb_foreach(
git_refdb *db,
unsigned int list_flags,
git_reference_foreach_cb callback,
void *payload)
int git_refdb_iterator(git_reference_iterator **out, git_refdb *db)
{
assert(db && db->backend);
if (!db->backend || !db->backend->iterator) {
giterr_set(GITERR_REFERENCE, "This backend doesn't support iterators");
return -1;
}
return db->backend->foreach(db->backend, list_flags, callback, payload);
if (db->backend->iterator(out, db->backend) < 0)
return -1;
return 0;
}
int git_refdb_iterator_glob(git_reference_iterator **out, git_refdb *db, const char *glob)
{
if (!db->backend) {
giterr_set(GITERR_REFERENCE, "There are no backends loaded");
return -1;
}
if (db->backend->iterator_glob)
return db->backend->iterator_glob(out, db->backend, glob);
/* If the backend doesn't support glob-filtering themselves, we have to do it */
if (db->backend->iterator(out, db->backend) < 0)
return -1;
(*out)->glob = git__strdup(glob);
if (!(*out)->glob) {
db->backend->iterator_free(*out);
return -1;
}
return 0;
}
int git_refdb_next(const char **out, git_reference_iterator *iter)
{
int error;
if (!iter->glob)
return iter->backend->next(out, iter);
/* If the iterator has a glob, we need to filter */
while ((error = iter->backend->next(out, iter)) == 0) {
if (!p_fnmatch(iter->glob, *out, 0))
break;
}
return error;
}
void git_refdb_iterator_free(git_reference_iterator *iter)
{
git__free(iter->glob);
iter->backend->iterator_free(iter);
}
struct glob_cb_data {
@ -141,43 +188,6 @@ struct glob_cb_data {
void *payload;
};
static int fromglob_cb(const char *reference_name, void *payload)
{
struct glob_cb_data *data = (struct glob_cb_data *)payload;
if (!p_fnmatch(data->glob, reference_name, 0))
return data->callback(reference_name, data->payload);
return 0;
}
int git_refdb_foreach_glob(
git_refdb *db,
const char *glob,
unsigned int list_flags,
git_reference_foreach_cb callback,
void *payload)
{
int error;
struct glob_cb_data data;
assert(db && db->backend && glob && callback);
if(db->backend->foreach_glob != NULL)
error = db->backend->foreach_glob(db->backend,
glob, list_flags, callback, payload);
else {
data.glob = glob;
data.callback = callback;
data.payload = payload;
error = db->backend->foreach(db->backend,
list_flags, fromglob_cb, &data);
}
return error;
}
int git_refdb_write(git_refdb *db, const git_reference *ref)
{
assert(db && db->backend);

16
src/refdb.h
View File

@ -26,18 +26,10 @@ int git_refdb_lookup(
git_refdb *refdb,
const char *ref_name);
int git_refdb_foreach(
git_refdb *refdb,
unsigned int list_flags,
git_reference_foreach_cb callback,
void *payload);
int git_refdb_foreach_glob(
git_refdb *refdb,
const char *glob,
unsigned int list_flags,
git_reference_foreach_cb callback,
void *payload);
int git_refdb_iterator(git_reference_iterator **out, git_refdb *db);
int git_refdb_iterator_glob(git_reference_iterator **out, git_refdb *db, const char *glob);
int git_refdb_next(const char **out, git_reference_iterator *iter);
void git_refdb_iterator_free(git_reference_iterator *iter);
int git_refdb_write(git_refdb *refdb, const git_reference *ref);

190
src/refdb_fs.c
View File

@ -13,6 +13,7 @@
#include "reflog.h"
#include "refdb.h"
#include "refdb_fs.h"
#include "iterator.h"
#include <git2/tag.h>
#include <git2/object.h>
@ -180,6 +181,9 @@ static int packed_load(refdb_fs_backend *backend)
GITERR_CHECK_ALLOC(ref_cache->packfile);
}
if (backend->path == NULL)
return 0;
result = reference_read(&packfile, &ref_cache->packfile_time,
backend->path, GIT_PACKEDREFS_FILE, &updated);
@ -558,65 +562,21 @@ struct dirent_list_data {
int callback_error;
};
static git_ref_t loose_guess_rtype(const git_buf *full_path)
{
git_buf ref_file = GIT_BUF_INIT;
git_ref_t type;
type = GIT_REF_INVALID;
if (git_futils_readbuffer(&ref_file, full_path->ptr) == 0) {
if (git__prefixcmp((const char *)(ref_file.ptr), GIT_SYMREF) == 0)
type = GIT_REF_SYMBOLIC;
else
type = GIT_REF_OID;
}
git_buf_free(&ref_file);
return type;
}
static int _dirent_loose_listall(void *_data, git_buf *full_path)
{
struct dirent_list_data *data = (struct dirent_list_data *)_data;
const char *file_path = full_path->ptr + data->repo_path_len;
if (git_path_isdir(full_path->ptr) == true)
return git_path_direach(full_path, _dirent_loose_listall, _data);
/* do not add twice a reference that exists already in the packfile */
if (git_strmap_exists(data->backend->refcache.packfile, file_path))
return 0;
if (data->list_type != GIT_REF_LISTALL) {
if ((data->list_type & loose_guess_rtype(full_path)) == 0)
return 0; /* we are filtering out this reference */
}
/* Locked references aren't returned */
if (!git__suffixcmp(file_path, GIT_FILELOCK_EXTENSION))
return 0;
if (data->callback(file_path, data->callback_payload))
data->callback_error = GIT_EUSER;
return data->callback_error;
}
static int refdb_fs_backend__foreach(
git_refdb_backend *_backend,
unsigned int list_type,
git_reference_foreach_cb callback,
void *payload)
typedef struct {
git_reference_iterator parent;
unsigned int loose;
/* packed */
git_strmap *h;
khiter_t k;
/* loose */
git_iterator *fsiter;
git_buf buf;
} refdb_fs_iter;
static int refdb_fs_backend__iterator(git_reference_iterator **out, git_refdb_backend *_backend)
{
refdb_fs_iter *iter;
refdb_fs_backend *backend;
int result;
struct dirent_list_data data;
git_buf refs_path = GIT_BUF_INIT;
const char *ref_name;
void *ref = NULL;
GIT_UNUSED(ref);
assert(_backend);
backend = (refdb_fs_backend *)_backend;
@ -624,32 +584,104 @@ static int refdb_fs_backend__foreach(
if (packed_load(backend) < 0)
return -1;
/* list all the packed references first */
if (list_type & GIT_REF_OID) {
git_strmap_foreach(backend->refcache.packfile, ref_name, ref, {
if (callback(ref_name, payload))
return GIT_EUSER;
});
iter = git__calloc(1, sizeof(refdb_fs_iter));
GITERR_CHECK_ALLOC(iter);
iter->parent.backend = _backend;
iter->h = backend->refcache.packfile;
iter->k = kh_begin(backend->refcache.packfile);
*out = (git_reference_iterator *)iter;
return 0;
}
static void refdb_fs_backend__iterator_free(git_reference_iterator *_iter)
{
refdb_fs_iter *iter = (refdb_fs_iter *) _iter;
git_buf_free(&iter->buf);
git_iterator_free(iter->fsiter);
git__free(iter);
}
static int iter_packed(const char **out, refdb_fs_iter *iter)
{
/* Move forward to the next entry */
while (!kh_exist(iter->h, iter->k)) {
iter->k++;
if (iter->k == kh_end(iter->h))
return GIT_ITEROVER;
}
/* now list the loose references, trying not to
* duplicate the ref names already in the packed-refs file */
*out = kh_key(iter->h, iter->k);
iter->k++;
data.repo_path_len = strlen(backend->path);
data.list_type = list_type;
data.backend = backend;
data.callback = callback;
data.callback_payload = payload;
data.callback_error = 0;
return 0;
}
if (git_buf_joinpath(&refs_path, backend->path, GIT_REFS_DIR) < 0)
static int iter_loose(const char **out, refdb_fs_iter *iter)
{
const git_index_entry *entry;
int retry;
git_strmap *packfile_refs;
refdb_fs_backend *backend = (refdb_fs_backend *) iter->parent.backend;
packfile_refs = backend->refcache.packfile;
do {
khiter_t pos;
if (git_iterator_current(&entry, iter->fsiter) < 0)
return -1;
git_buf_clear(&iter->buf);
if (!entry)
return GIT_ITEROVER;
if (git_buf_printf(&iter->buf, "refs/%s", entry->path) < 0)
return -1;
git_iterator_advance(NULL, iter->fsiter);
/* Skip this one if we already listed it in packed */
pos = git_strmap_lookup_index(packfile_refs, git_buf_cstr(&iter->buf));
retry = 0;
if (git_strmap_valid_index(packfile_refs, pos) ||
!git_reference_is_valid_name(git_buf_cstr(&iter->buf)))
retry = 1;
*out = git_buf_cstr(&iter->buf);
} while (retry);
return 0;
}
static int iter_loose_setup(refdb_fs_iter *iter)
{
refdb_fs_backend *backend = (refdb_fs_backend *) iter->parent.backend;
git_buf_clear(&iter->buf);
if (git_buf_printf(&iter->buf, "%s/refs", backend->path) < 0)
return -1;
result = git_path_direach(&refs_path, _dirent_loose_listall, &data);
return git_iterator_for_filesystem(&iter->fsiter, git_buf_cstr(&iter->buf), 0, NULL, NULL);
}
git_buf_free(&refs_path);
static int refdb_fs_backend__next(const char **out, git_reference_iterator *_iter)
{
refdb_fs_iter *iter = (refdb_fs_iter *)_iter;
return data.callback_error ? GIT_EUSER : result;
/* First round of checks to make sure where we are */
if (!iter->loose && iter->k == kh_end(iter->h)) {
if (iter_loose_setup(iter) < 0)
return -1;
iter->loose = 1;
}
if (!iter->loose)
return iter_packed(out, iter);
else
return iter_loose(out, iter);
}
static int loose_write(refdb_fs_backend *backend, const git_reference *ref)
@ -1027,6 +1059,10 @@ static int setup_namespace(git_buf *path, git_repository *repo)
{
char *parts, *start, *end;
/* Not all repositories have a path */
if (repo->path_repository == NULL)
return 0;
/* Load the path to the repo first */
git_buf_puts(path, repo->path_repository);
@ -1081,7 +1117,9 @@ int git_refdb_backend_fs(
backend->parent.exists = &refdb_fs_backend__exists;
backend->parent.lookup = &refdb_fs_backend__lookup;
backend->parent.foreach = &refdb_fs_backend__foreach;
backend->parent.iterator = &refdb_fs_backend__iterator;
backend->parent.next = &refdb_fs_backend__next;
backend->parent.iterator_free = &refdb_fs_backend__iterator_free;
backend->parent.write = &refdb_fs_backend__write;
backend->parent.delete = &refdb_fs_backend__delete;
backend->parent.compress = &refdb_fs_backend__compress;

86
src/refs.c
View File

@ -139,7 +139,7 @@ static int reference_path_available(
data.available = 1;
error = git_reference_foreach(
repo, GIT_REF_LISTALL, _reference_available_cb, (void *)&data);
repo, _reference_available_cb, (void *)&data);
if (error < 0)
return error;
@ -619,14 +619,59 @@ int git_reference_resolve(git_reference **ref_out, const git_reference *ref)
int git_reference_foreach(
git_repository *repo,
unsigned int list_flags,
git_reference_foreach_cb callback,
void *payload)
{
git_refdb *refdb;
git_repository_refdb__weakptr(&refdb, repo);
git_reference_iterator *iter;
const char *name;
int error;
return git_refdb_foreach(refdb, list_flags, callback, payload);
if (git_reference_iterator_new(&iter, repo) < 0)
return -1;
while ((error = git_reference_next(&name, iter)) == 0) {
if (callback(name, payload)) {
error = GIT_EUSER;
goto out;
}
}
if (error == GIT_ITEROVER)
error = 0;
out:
git_reference_iterator_free(iter);
return error;
}
int git_reference_iterator_new(git_reference_iterator **out, git_repository *repo)
{
git_refdb *refdb;
if (git_repository_refdb__weakptr(&refdb, repo) < 0)
return -1;
return git_refdb_iterator(out, refdb);
}
int git_reference_iterator_glob_new(git_reference_iterator **out, git_repository *repo, const char *glob)
{
git_refdb *refdb;
if (git_repository_refdb__weakptr(&refdb, repo) < 0)
return -1;
return git_refdb_iterator_glob(out, refdb, glob);
}
int git_reference_next(const char **out, git_reference_iterator *iter)
{
return git_refdb_next(out, iter);
}
void git_reference_iterator_free(git_reference_iterator *iter)
{
git_refdb_iterator_free(iter);
}
static int cb__reflist_add(const char *ref, void *data)
@ -636,8 +681,7 @@ static int cb__reflist_add(const char *ref, void *data)
int git_reference_list(
git_strarray *array,
git_repository *repo,
unsigned int list_flags)
git_repository *repo)
{
git_vector ref_list;
@ -650,7 +694,7 @@ int git_reference_list(
return -1;
if (git_reference_foreach(
repo, list_flags, &cb__reflist_add, (void *)&ref_list) < 0) {
repo, &cb__reflist_add, (void *)&ref_list) < 0) {
git_vector_free(&ref_list);
return -1;
}
@ -950,19 +994,29 @@ int git_reference__update_terminal(
int git_reference_foreach_glob(
git_repository *repo,
const char *glob,
unsigned int list_flags,
int (*callback)(
const char *reference_name,
void *payload),
git_reference_foreach_cb callback,
void *payload)
{
git_refdb *refdb;
git_reference_iterator *iter;
const char *name;
int error;
assert(repo && glob && callback);
if (git_reference_iterator_glob_new(&iter, repo, glob) < 0)
return -1;
git_repository_refdb__weakptr(&refdb, repo);
while ((error = git_reference_next(&name, iter)) == 0) {
if (callback(name, payload)) {
error = GIT_EUSER;
goto out;
}
}
return git_refdb_foreach_glob(refdb, glob, list_flags, callback, payload);
if (error == GIT_ITEROVER)
error = 0;
out:
git_reference_iterator_free(iter);
return error;
}
int git_reference_has_log(

33
src/remote.c
View File

@ -1251,14 +1251,6 @@ static int update_branch_remote_config_entry(
update_config_entries_cb, &data);
}
static int rename_cb(const char *ref, void *data)
{
if (git__prefixcmp(ref, GIT_REFS_REMOTES_DIR))
return 0;
return git_vector_insert((git_vector *)data, git__strdup(ref));
}
static int rename_one_remote_reference(
git_repository *repo,
const char *reference_name,
@ -1298,16 +1290,29 @@ static int rename_remote_references(
int error = -1;
unsigned int i;
char *name;
const char *refname;
git_reference_iterator *iter;
if (git_vector_init(&refnames, 8, NULL) < 0)
return -1;
if (git_reference_iterator_new(&iter, repo) < 0)
goto cleanup;
if (git_reference_foreach(
repo,
GIT_REF_LISTALL,
rename_cb,
&refnames) < 0)
goto cleanup;
while ((error = git_reference_next(&refname, iter)) == 0) {
if (git__prefixcmp(refname, GIT_REFS_REMOTES_DIR))
continue;
if ((error = git_vector_insert(&refnames, git__strdup(refname))) < 0)
break;
}
git_reference_iterator_free(iter);
if (error == GIT_ITEROVER)
error = 0;
else
goto cleanup;
git_vector_foreach(&refnames, i, name) {
if ((error = rename_one_remote_reference(repo, name, old_name, new_name)) < 0)

2
src/repository.c
View File

@ -1473,7 +1473,7 @@ static int at_least_one_cb(const char *refname, void *payload)
static int repo_contains_no_reference(git_repository *repo)
{
int error = git_reference_foreach(repo, GIT_REF_LISTALL, at_least_one_cb, NULL);
int error = git_reference_foreach(repo, at_least_one_cb, NULL);
if (error == GIT_EUSER)
return 0;

2
src/revwalk.c
View File

@ -186,7 +186,7 @@ static int push_glob(git_revwalk *walk, const char *glob, int hide)
data.hide = hide;
if (git_reference_foreach_glob(
walk->repo, git_buf_cstr(&buf), GIT_REF_LISTALL, push_glob_cb, &data) < 0)
walk->repo, git_buf_cstr(&buf), push_glob_cb, &data) < 0)
goto on_error;
regfree(&preg);

2
src/tag.c
View File

@ -427,7 +427,7 @@ int git_tag_foreach(git_repository *repo, git_tag_foreach_cb cb, void *cb_data)
data.cb_data = cb_data;
data.repo = repo;
return git_reference_foreach(repo, GIT_REF_OID, &tags_cb, &data);
return git_reference_foreach(repo, &tags_cb, &data);
}
typedef struct {

2
src/transports/local.c
View File

@ -124,7 +124,7 @@ static int store_refs(transport_local *t)
assert(t);
if (git_reference_list(&ref_names, t->repo, GIT_REF_LISTALL) < 0 ||
if (git_reference_list(&ref_names, t->repo) < 0 ||
git_vector_init(&t->refs, ref_names.count, NULL) < 0)
goto on_error;

2
src/transports/smart_protocol.c
View File

@ -193,7 +193,7 @@ static int fetch_setup_walk(git_revwalk **out, git_repository *repo)
unsigned int i;
git_reference *ref;
if (git_reference_list(&refs, repo, GIT_REF_LISTALL) < 0)
if (git_reference_list(&refs, repo) < 0)
return -1;
if (git_revwalk_new(&walk, repo) < 0)

6
tests-clar/network/fetchlocal.c
View File

@ -34,7 +34,7 @@ void test_network_fetchlocal__complete(void)
cl_git_pass(git_remote_download(origin, transfer_cb, &callcount));
cl_git_pass(git_remote_update_tips(origin));
cl_git_pass(git_reference_list(&refnames, repo, GIT_REF_LISTALL));
cl_git_pass(git_reference_list(&refnames, repo));
cl_assert_equal_i(19, (int)refnames.count);
cl_assert(callcount > 0);
@ -58,7 +58,7 @@ void test_network_fetchlocal__partial(void)
const char *url;
cl_set_cleanup(&cleanup_sandbox, NULL);
cl_git_pass(git_reference_list(&refnames, repo, GIT_REF_LISTALL));
cl_git_pass(git_reference_list(&refnames, repo));
cl_assert_equal_i(1, (int)refnames.count);
url = cl_git_fixture_url("testrepo.git");
@ -69,7 +69,7 @@ void test_network_fetchlocal__partial(void)
git_strarray_free(&refnames);
cl_git_pass(git_reference_list(&refnames, repo, GIT_REF_LISTALL));
cl_git_pass(git_reference_list(&refnames, repo));
cl_assert_equal_i(20, (int)refnames.count); /* 18 remote + 1 local */
cl_assert(callcount > 0);

4
tests-clar/refdb/inmemory.c
View File

@ -163,7 +163,7 @@ void test_refdb_inmemory__foreach(void)
cl_git_pass(git_oid_fromstr(&oid3, "763d71aadf09a7951596c9746c024e7eece7c7af"));
cl_git_pass(git_reference_create(&write3, repo, GIT_REFS_HEADS_DIR "test3", &oid3, 0));
cl_git_pass(git_reference_foreach(repo, GIT_REF_LISTALL, foreach_test, &i));
cl_git_pass(git_reference_foreach(repo,foreach_test, &i));
cl_assert_equal_i(3, (int)i);
git_reference_free(write1);
@ -210,7 +210,7 @@ void test_refdb_inmemory__delete(void)
git_reference_delete(write3);
git_reference_free(write3);
cl_git_pass(git_reference_foreach(repo, GIT_REF_LISTALL, delete_test, &i));
cl_git_pass(git_reference_foreach(repo, delete_test, &i));
cl_assert_equal_i(1, (int)i);
git_reference_free(write2);

56
tests-clar/refdb/testdb.c
View File

@ -112,33 +112,49 @@ static int refdb_test_backend__lookup(
return GIT_ENOTFOUND;
}
static int refdb_test_backend__foreach(
git_refdb_backend *_backend,
unsigned int list_flags,
git_reference_foreach_cb callback,
void *payload)
{
refdb_test_backend *backend;
refdb_test_entry *entry;
typedef struct {
git_reference_iterator parent;
size_t i;
} refdb_test_iter;
assert(_backend);
backend = (refdb_test_backend *)_backend;
static int refdb_test_backend__iterator(git_reference_iterator **out, git_refdb_backend *_backend)
{
refdb_test_iter *iter;
git_vector_foreach(&backend->refs, i, entry) {
if (entry->type == GIT_REF_OID && (list_flags & GIT_REF_OID) == 0)
continue;
GIT_UNUSED(_backend);
if (entry->type == GIT_REF_SYMBOLIC && (list_flags & GIT_REF_SYMBOLIC) == 0)
continue;
iter = git__calloc(1, sizeof(refdb_test_iter));
GITERR_CHECK_ALLOC(iter);
if (callback(entry->name, payload) != 0)
return GIT_EUSER;
}
iter->parent.backend = _backend;
iter->i = 0;
*out = (git_reference_iterator *) iter;
return 0;
}
static int refdb_test_backend__next(const char **name, git_reference_iterator *_iter)
{
refdb_test_entry *entry;
refdb_test_backend *backend = (refdb_test_backend *) _iter->backend;
refdb_test_iter *iter = (refdb_test_iter *) _iter;
entry = git_vector_get(&backend->refs, iter->i);
if (!entry)
return GIT_ITEROVER;
*name = entry->name;
iter->i++;
return 0;
}
static void refdb_test_backend__iterator_free(git_reference_iterator *iter)
{
git__free(iter);
}
static void refdb_test_entry_free(refdb_test_entry *entry)
{
if (entry->type == GIT_REF_SYMBOLIC)
@ -200,7 +216,9 @@ int refdb_backend_test(
backend->parent.exists = &refdb_test_backend__exists;
backend->parent.lookup = &refdb_test_backend__lookup;
backend->parent.foreach = &refdb_test_backend__foreach;
backend->parent.iterator = &refdb_test_backend__iterator;
backend->parent.next = &refdb_test_backend__next;
backend->parent.iterator_free = &refdb_test_backend__iterator_free;
backend->parent.write = &refdb_test_backend__write;
backend->parent.delete = &refdb_test_backend__delete;
backend->parent.free = &refdb_test_backend__free;

14
tests-clar/refs/foreachglob.c
View File

@ -37,11 +37,11 @@ static int count_cb(const char *reference_name, void *payload)
return 0;
}
static void assert_retrieval(const char *glob, unsigned int flags, int expected_count)
static void assert_retrieval(const char *glob, int expected_count)
{
int count = 0;
cl_git_pass(git_reference_foreach_glob(repo, glob, flags, count_cb, &count));
cl_git_pass(git_reference_foreach_glob(repo, glob, count_cb, &count));
cl_assert_equal_i(expected_count, count);
}
@ -49,17 +49,17 @@ static void assert_retrieval(const char *glob, unsigned int flags, int expected_
void test_refs_foreachglob__retrieve_all_refs(void)
{
/* 12 heads (including one packed head) + 1 note + 2 remotes + 7 tags */
assert_retrieval("*", GIT_REF_LISTALL, 22);
assert_retrieval("*", 22);
}
void test_refs_foreachglob__retrieve_remote_branches(void)
{
assert_retrieval("refs/remotes/*", GIT_REF_LISTALL, 2);
assert_retrieval("refs/remotes/*", 2);
}
void test_refs_foreachglob__retrieve_local_branches(void)
{
assert_retrieval("refs/heads/*", GIT_REF_LISTALL, 12);
assert_retrieval("refs/heads/*", 12);
}
void test_refs_foreachglob__retrieve_partially_named_references(void)
@ -69,7 +69,7 @@ void test_refs_foreachglob__retrieve_partially_named_references(void)
* refs/remotes/test/master, refs/tags/test
*/
assert_retrieval("*test*", GIT_REF_LISTALL, 4);
assert_retrieval("*test*", 4);
}
@ -89,7 +89,7 @@ void test_refs_foreachglob__can_cancel(void)
int count = 0;
cl_assert_equal_i(GIT_EUSER, git_reference_foreach_glob(
repo, "*", GIT_REF_LISTALL, interrupt_cb, &count) );
repo, "*", interrupt_cb, &count) );
cl_assert_equal_i(11, count);
}

94
tests-clar/refs/iterator.c Normal file
View File

@ -0,0 +1,94 @@
#include "clar_libgit2.h"
#include "refs.h"
#include "vector.h"
static git_repository *repo;
void test_refs_iterator__initialize(void)
{
cl_git_pass(git_repository_open(&repo, cl_fixture("testrepo.git")));
}
void test_refs_iterator__cleanup(void)
{
git_repository_free(repo);
}
static const char *refnames[] = {
"refs/heads/br2",
"refs/heads/cannot-fetch",
"refs/heads/chomped",
"refs/heads/haacked",
"refs/heads/master",
"refs/heads/not-good",
"refs/heads/packed",
"refs/heads/packed-test",
"refs/heads/subtrees",
"refs/heads/test",
"refs/heads/track-local",
"refs/heads/trailing",
"refs/notes/fanout",
"refs/remotes/test/master",
"refs/tags/annotated_tag_to_blob",
"refs/tags/e90810b",
"refs/tags/hard_tag",
"refs/tags/point_to_blob",
"refs/tags/taggerless",
"refs/tags/test",
"refs/tags/wrapped_tag",
};
void test_refs_iterator__list(void)
{
git_reference_iterator *iter;
git_vector output;
char *refname;
int error;
size_t i;
cl_git_pass(git_vector_init(&output, 32, git__strcmp_cb));
cl_git_pass(git_reference_iterator_new(&iter, repo));
do {
const char *name;
error = git_reference_next(&name, iter);
cl_assert(error == 0 || error == GIT_ITEROVER);
if (error != GIT_ITEROVER) {
char *dup = git__strdup(name);
cl_assert(dup != NULL);
cl_git_pass(git_vector_insert(&output, dup));
}
} while (!error);
cl_assert_equal_i(output.length, ARRAY_SIZE(refnames));
git_vector_sort(&output);
git_vector_foreach(&output, i, refname) {
cl_assert_equal_s(refname, refnames[i]);
}
git_reference_iterator_free(iter);
git_vector_foreach(&output, i, refname) {
git__free(refname);
}
git_vector_free(&output);
}
void test_refs_iterator__empty(void)
{
git_reference_iterator *iter;
git_odb *odb;
const char *name;
git_repository *empty;
cl_git_pass(git_odb_new(&odb));
cl_git_pass(git_repository_wrap_odb(&empty, odb));
cl_git_pass(git_reference_iterator_new(&iter, empty));
cl_assert_equal_i(GIT_ITEROVER, git_reference_next(&name, iter));
git_reference_iterator_free(iter);
git_odb_free(odb);
git_repository_free(empty);
}

15
tests-clar/refs/list.c
View File

@ -25,7 +25,7 @@ void test_refs_list__all(void)
// try to list all the references in our test repo
git_strarray ref_list;
cl_git_pass(git_reference_list(&ref_list, g_repo, GIT_REF_LISTALL));
cl_git_pass(git_reference_list(&ref_list, g_repo));
/*{
unsigned short i;
@ -41,17 +41,6 @@ void test_refs_list__all(void)
git_strarray_free(&ref_list);
}
void test_refs_list__symbolic_only(void)
{
// try to list only the symbolic references
git_strarray ref_list;
cl_git_pass(git_reference_list(&ref_list, g_repo, GIT_REF_SYMBOLIC));
cl_assert(ref_list.count == 0); /* no symrefs in the test repo */
git_strarray_free(&ref_list);
}
void test_refs_list__do_not_retrieve_references_which_name_end_with_a_lock_extension(void)
{
git_strarray ref_list;
@ -61,7 +50,7 @@ void test_refs_list__do_not_retrieve_references_which_name_end_with_a_lock_exten
"./testrepo/.git/refs/heads/hanwen.lock",
"144344043ba4d4a405da03de3844aa829ae8be0e\n");
cl_git_pass(git_reference_list(&ref_list, g_repo, GIT_REF_LISTALL));
cl_git_pass(git_reference_list(&ref_list, g_repo));
cl_assert_equal_i((int)ref_list.count, 13);
git_strarray_free(&ref_list);

4
tests-clar/refs/listall.c
View File

@ -9,7 +9,7 @@ static void ensure_no_refname_starts_with_a_forward_slash(const char *path)
size_t i;
cl_git_pass(git_repository_open(&repo, path));
cl_git_pass(git_reference_list(&ref_list, repo, GIT_REF_LISTALL));
cl_git_pass(git_reference_list(&ref_list, repo));
cl_assert(ref_list.count > 0);
@ -38,7 +38,7 @@ void test_refs_listall__from_repository_opened_through_gitdir_path(void)
void test_refs_listall__from_repository_with_no_trailing_newline(void)
{
cl_git_pass(git_repository_open(&repo, cl_fixture("bad_tag.git")));
cl_git_pass(git_reference_list(&ref_list, repo, GIT_REF_LISTALL));
cl_git_pass(git_reference_list(&ref_list, repo));
cl_assert(ref_list.count > 0);