int git_reference_foreach_glob(
git_repository *repo,
const char *glob,
git_reference_foreach_name_cb callback,
void *payload)
{
git_reference_iterator *iter;
const char *refname;
int error;
if ((error = git_reference_iterator_glob_new(&iter, repo, glob)) < 0)
return error;
while (!(error = git_reference_next_name(&refname, iter))) {
if ((error = callback(refname, payload)) != 0) {
giterr_set_after_callback(error);
break;
}
}
if (error == GIT_ITEROVER)
error = 0;
git_reference_iterator_free(iter);
return error;
}
int git_reference_foreach(
git_repository *repo,
git_reference_foreach_cb callback,
void *payload)
{
git_reference_iterator *iter;
git_reference *ref;
int error;
if ((error = git_reference_iterator_new(&iter, repo)) < 0)
return error;
while (!(error = git_reference_next(&ref, iter))) {
if ((error = callback(ref, payload)) != 0) {
giterr_set_after_callback(error);
break;
}
}
if (error == GIT_ITEROVER)
error = 0;
git_reference_iterator_free(iter);
return error;
}
int git_note_foreach(
git_repository *repo,
const char *notes_ref,
git_note_foreach_cb note_cb,
void *payload)
{
int error;
git_note_iterator *iter = NULL;
git_oid note_id, annotated_id;
if ((error = git_note_iterator_new(&iter, repo, notes_ref)) < 0)
return error;
while (!(error = git_note_next(¬e_id, &annotated_id, iter))) {
if ((error = note_cb(¬e_id, &annotated_id, payload)) != 0) {
giterr_set_after_callback(error);
break;
}
}
if (error == GIT_ITEROVER)
error = 0;
git_note_iterator_free(iter);
return error;
}
int git_blob_create_fromchunks(
git_oid *oid,
git_repository *repo,
const char *hintpath,
int (*source_cb)(char *content, size_t max_length, void *payload),
void *payload)
{
int error;
char *content = NULL;
git_filebuf file = GIT_FILEBUF_INIT;
git_buf path = GIT_BUF_INIT;
assert(oid && repo && source_cb);
if ((error = git_buf_joinpath(
&path, git_repository_path(repo), GIT_OBJECTS_DIR "streamed")) < 0)
goto cleanup;
content = git__malloc(BUFFER_SIZE);
GITERR_CHECK_ALLOC(content);
if ((error = git_filebuf_open(
&file, git_buf_cstr(&path), GIT_FILEBUF_TEMPORARY, 0666)) < 0)
goto cleanup;
while (1) {
int read_bytes = source_cb(content, BUFFER_SIZE, payload);
if (!read_bytes)
break;
if (read_bytes > BUFFER_SIZE) {
giterr_set(GITERR_OBJECT, "Invalid chunk size while creating blob");
error = GIT_EBUFS;
} else if (read_bytes < 0) {
error = giterr_set_after_callback(read_bytes);
} else {
error = git_filebuf_write(&file, content, read_bytes);
}
if (error < 0)
goto cleanup;
}
if ((error = git_filebuf_flush(&file)) < 0)
goto cleanup;
error = git_blob__create_from_paths(
oid, NULL, repo, file.path_lock, hintpath, 0, hintpath != NULL);
cleanup:
git_buf_free(&path);
git_filebuf_cleanup(&file);
git__free(content);
return error;
}
int git_repository_fetchhead_foreach(git_repository *repo,
git_repository_fetchhead_foreach_cb cb,
void *payload)
{
git_buf path = GIT_BUF_INIT, file = GIT_BUF_INIT, name = GIT_BUF_INIT;
const char *ref_name;
git_oid oid;
const char *remote_url;
unsigned int is_merge = 0;
char *buffer, *line;
size_t line_num = 0;
int error = 0;
assert(repo && cb);
if (git_buf_joinpath(&path, repo->path_repository, GIT_FETCH_HEAD_FILE) < 0)
return -1;
if ((error = git_futils_readbuffer(&file, git_buf_cstr(&path))) < 0)
goto done;
buffer = file.ptr;
while ((line = git__strsep(&buffer, "\n")) != NULL) {
++line_num;
if ((error = fetchhead_ref_parse(
&oid, &is_merge, &name, &remote_url, line, line_num)) < 0)
goto done;
if (git_buf_len(&name) > 0)
ref_name = git_buf_cstr(&name);
else
ref_name = NULL;
error = cb(ref_name, remote_url, &oid, is_merge, payload);
if (error) {
giterr_set_after_callback(error);
goto done;
}
}
if (*buffer) {
giterr_set(GITERR_FETCHHEAD, "No EOL at line %"PRIuZ, line_num+1);
error = -1;
goto done;
}
done:
git_buf_free(&file);
git_buf_free(&path);
git_buf_free(&name);
return error;
}
int git_path_walk_up(
git_buf *path,
const char *ceiling,
int (*cb)(void *data, git_buf *),
void *data)
{
int error = 0;
git_buf iter;
ssize_t stop = 0, scan;
char oldc = '\0';
assert(path && cb);
if (ceiling != NULL) {
if (git__prefixcmp(path->ptr, ceiling) == 0)
stop = (ssize_t)strlen(ceiling);
else
stop = git_buf_len(path);
}
scan = git_buf_len(path);
iter.ptr = path->ptr;
iter.size = git_buf_len(path);
iter.asize = path->asize;
while (scan >= stop) {
error = cb(data, &iter);
iter.ptr[scan] = oldc;
if (error) {
giterr_set_after_callback(error);
break;
}
scan = git_buf_rfind_next(&iter, '/');
if (scan >= 0) {
scan++;
oldc = iter.ptr[scan];
iter.size = scan;
iter.ptr[scan] = '\0';
}
}
if (scan >= 0)
iter.ptr[scan] = oldc;
return error;
}
int git_path_walk_up(
git_buf *path,
const char *ceiling,
int (*cb)(void *data, const char *),
void *data)
{
int error = 0;
git_buf iter;
ssize_t stop = 0, scan;
char oldc = '\0';
assert(path && cb);
if (ceiling != NULL) {
if (git__prefixcmp(path->ptr, ceiling) == 0)
stop = (ssize_t)strlen(ceiling);
else
stop = git_buf_len(path);
}
scan = git_buf_len(path);
/* empty path: yield only once */
if (!scan) {
error = cb(data, "");
if (error)
giterr_set_after_callback(error);
return error;
}
iter.ptr = path->ptr;
iter.size = git_buf_len(path);
iter.asize = path->asize;
while (scan >= stop) {
error = cb(data, iter.ptr);
iter.ptr[scan] = oldc;
if (error) {
giterr_set_after_callback(error);
break;
}
scan = git_buf_rfind_next(&iter, '/');
if (scan >= 0) {
scan++;
oldc = iter.ptr[scan];
iter.size = scan;
iter.ptr[scan] = '\0';
}
}
if (scan >= 0)
iter.ptr[scan] = oldc;
/* relative path: yield for the last component */
if (!error && stop == 0 && iter.ptr[0] != '/') {
error = cb(data, "");
if (error)
giterr_set_after_callback(error);
}
return error;
}
int git_path_direach(
git_buf *path,
uint32_t flags,
int (*fn)(void *, git_buf *),
void *arg)
{
int error = 0;
ssize_t wd_len;
DIR *dir;
struct dirent *de;
#ifdef GIT_USE_ICONV
git_path_iconv_t ic = GIT_PATH_ICONV_INIT;
#endif
GIT_UNUSED(flags);
if (git_path_to_dir(path) < 0)
return -1;
wd_len = git_buf_len(path);
if ((dir = opendir(path->ptr)) == NULL) {
giterr_set(GITERR_OS, "Failed to open directory '%s'", path->ptr);
if (errno == ENOENT)
return GIT_ENOTFOUND;
return -1;
}
#ifdef GIT_USE_ICONV
if ((flags & GIT_PATH_DIR_PRECOMPOSE_UNICODE) != 0)
(void)git_path_iconv_init_precompose(&ic);
#endif
while ((de = readdir(dir)) != NULL) {
char *de_path = de->d_name;
size_t de_len = strlen(de_path);
if (git_path_is_dot_or_dotdot(de_path))
continue;
#ifdef GIT_USE_ICONV
if ((error = git_path_iconv(&ic, &de_path, &de_len)) < 0)
break;
#endif
if ((error = git_buf_put(path, de_path, de_len)) < 0)
break;
giterr_clear();
error = fn(arg, path);
git_buf_truncate(path, wd_len); /* restore path */
/* Only set our own error if the callback did not set one already */
if (error != 0) {
if (!giterr_last())
giterr_set_after_callback(error);
break;
}
}
closedir(dir);
#ifdef GIT_USE_ICONV
git_path_iconv_clear(&ic);
#endif
return error;
}
