void test_core_rmdir__can_remove_empty_parents(void)
{
git_buf file = GIT_BUF_INIT;
cl_git_pass(
git_buf_joinpath(&file, empty_tmp_dir, "/one/two_two/three/file.txt"));
cl_git_mkfile(git_buf_cstr(&file), "dummy");
cl_assert(git_path_isfile(git_buf_cstr(&file)));
cl_git_pass(git_futils_rmdir_r("one/two_two/three/file.txt", empty_tmp_dir,
GIT_RMDIR_REMOVE_FILES | GIT_RMDIR_EMPTY_PARENTS));
cl_assert(!git_path_exists(git_buf_cstr(&file)));
git_buf_rtruncate_at_char(&file, '/'); /* three (only contained file.txt) */
cl_assert(!git_path_exists(git_buf_cstr(&file)));
git_buf_rtruncate_at_char(&file, '/'); /* two_two (only contained three) */
cl_assert(!git_path_exists(git_buf_cstr(&file)));
git_buf_rtruncate_at_char(&file, '/'); /* one (contained two_one also) */
cl_assert(git_path_exists(git_buf_cstr(&file)));
cl_assert(git_path_exists(empty_tmp_dir) == true);
git_buf_dispose(&file);
cl_git_pass(git_futils_rmdir_r(empty_tmp_dir, NULL, GIT_RMDIR_EMPTY_HIERARCHY));
}
static void check_tree_entry(
git_iterator *i,
const char *oid,
const char *oid_p,
const char *oid_pp,
const char *oid_ppp)
{
const git_index_entry *ie;
const git_tree_entry *te;
const git_tree *tree;
git_buf path = GIT_BUF_INIT;
cl_git_pass(git_iterator_current_tree_entry(&te, i));
cl_assert(te);
cl_assert(git_oid_streq(te->oid, oid) == 0);
cl_git_pass(git_iterator_current(&ie, i));
cl_git_pass(git_buf_sets(&path, ie->path));
if (oid_p) {
git_buf_rtruncate_at_char(&path, '/');
cl_git_pass(git_iterator_current_parent_tree(&tree, i, path.ptr));
cl_assert(tree);
cl_assert(git_oid_streq(git_tree_id(tree), oid_p) == 0);
}
if (oid_pp) {
git_buf_rtruncate_at_char(&path, '/');
cl_git_pass(git_iterator_current_parent_tree(&tree, i, path.ptr));
cl_assert(tree);
cl_assert(git_oid_streq(git_tree_id(tree), oid_pp) == 0);
}
if (oid_ppp) {
git_buf_rtruncate_at_char(&path, '/');
cl_git_pass(git_iterator_current_parent_tree(&tree, i, path.ptr));
cl_assert(tree);
cl_assert(git_oid_streq(git_tree_id(tree), oid_ppp) == 0);
}
git_buf_free(&path);
}
static int futils__rm_first_parent(git_buf *path, const char *ceiling)
{
int error = GIT_ENOTFOUND;
struct stat st;
while (error == GIT_ENOTFOUND) {
git_buf_rtruncate_at_char(path, '/');
if (!path->size || git__prefixcmp(path->ptr, ceiling) != 0)
error = 0;
else if (p_lstat_posixly(path->ptr, &st) == 0) {
if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode))
error = p_unlink(path->ptr);
else if (!S_ISDIR(st.st_mode))
error = -1; /* fail to remove non-regular file */
} else if (errno != ENOTDIR)
error = -1;
}
if (error)
futils__error_cannot_rmdir(path->ptr, "cannot remove parent");
return error;
}
int git_futils_mkdir(
const char *path,
const char *base,
mode_t mode,
uint32_t flags)
{
int error = -1;
git_buf make_path = GIT_BUF_INIT;
ssize_t root = 0, min_root_len;
char lastch = '/', *tail;
struct stat st;
/* build path and find "root" where we should start calling mkdir */
if (git_path_join_unrooted(&make_path, path, base, &root) < 0)
return -1;
if (make_path.size == 0) {
giterr_set(GITERR_OS, "Attempt to create empty path");
goto done;
}
/* remove trailing slashes on path */
while (make_path.ptr[make_path.size - 1] == '/') {
make_path.size--;
make_path.ptr[make_path.size] = '\0';
}
/* if we are not supposed to made the last element, truncate it */
if ((flags & GIT_MKDIR_SKIP_LAST2) != 0) {
git_buf_rtruncate_at_char(&make_path, '/');
flags |= GIT_MKDIR_SKIP_LAST;
}
if ((flags & GIT_MKDIR_SKIP_LAST) != 0)
git_buf_rtruncate_at_char(&make_path, '/');
/* if nothing left after truncation, then we're done! */
if (!make_path.size) {
error = 0;
goto done;
}
/* if we are not supposed to make the whole path, reset root */
if ((flags & GIT_MKDIR_PATH) == 0)
root = git_buf_rfind(&make_path, '/');
/* advance root past drive name or network mount prefix */
min_root_len = git_path_root(make_path.ptr);
if (root < min_root_len)
root = min_root_len;
while (root >= 0 && make_path.ptr[root] == '/')
++root;
/* clip root to make_path length */
if (root > (ssize_t)make_path.size)
root = (ssize_t)make_path.size; /* i.e. NUL byte of string */
if (root < 0)
root = 0;
/* walk down tail of path making each directory */
for (tail = &make_path.ptr[root]; *tail; *tail = lastch) {
/* advance tail to include next path component */
while (*tail == '/')
tail++;
while (*tail && *tail != '/')
tail++;
/* truncate path at next component */
lastch = *tail;
*tail = '\0';
st.st_mode = 0;
/* make directory */
if (p_mkdir(make_path.ptr, mode) < 0) {
int tmp_errno = giterr_system_last();
/* ignore error if not at end or if directory already exists */
if (lastch == '\0' &&
(p_stat(make_path.ptr, &st) < 0 || !S_ISDIR(st.st_mode))) {
giterr_system_set(tmp_errno);
giterr_set(GITERR_OS, "Failed to make directory '%s'", make_path.ptr);
goto done;
}
/* with exclusive create, existing dir is an error */
if ((flags & GIT_MKDIR_EXCL) != 0) {
giterr_set(GITERR_OS, "Directory already exists '%s'", make_path.ptr);
error = GIT_EEXISTS;
goto done;
}
}
/* chmod if requested and necessary */
if (((flags & GIT_MKDIR_CHMOD_PATH) != 0 ||
(lastch == '\0' && (flags & GIT_MKDIR_CHMOD) != 0)) &&
st.st_mode != mode &&
(error = p_chmod(make_path.ptr, mode)) < 0 &&
lastch == '\0') {
giterr_set(GITERR_OS, "Failed to set permissions on '%s'", make_path.ptr);
goto done;
}
}
error = 0;
/* check that full path really is a directory if requested & needed */
if ((flags & GIT_MKDIR_VERIFY_DIR) != 0 &&
lastch != '\0' &&
(p_stat(make_path.ptr, &st) < 0 || !S_ISDIR(st.st_mode))) {
giterr_set(GITERR_OS, "Path is not a directory '%s'", make_path.ptr);
error = GIT_ENOTFOUND;
}
done:
git_buf_free(&make_path);
return error;
}
int git_futils_mkdir(
const char *path,
const char *base,
mode_t mode,
uint32_t flags)
{
git_buf make_path = GIT_BUF_INIT;
ssize_t root = 0;
char lastch, *tail;
/* build path and find "root" where we should start calling mkdir */
if (git_path_join_unrooted(&make_path, path, base, &root) < 0)
return -1;
if (make_path.size == 0) {
giterr_set(GITERR_OS, "Attempt to create empty path");
goto fail;
}
/* remove trailing slashes on path */
while (make_path.ptr[make_path.size - 1] == '/') {
make_path.size--;
make_path.ptr[make_path.size] = '\0';
}
/* if we are not supposed to made the last element, truncate it */
if ((flags & GIT_MKDIR_SKIP_LAST) != 0)
git_buf_rtruncate_at_char(&make_path, '/');
/* if we are not supposed to make the whole path, reset root */
if ((flags & GIT_MKDIR_PATH) == 0)
root = git_buf_rfind(&make_path, '/');
/* clip root to make_path length */
if (root >= (ssize_t)make_path.size)
root = (ssize_t)make_path.size - 1;
if (root < 0)
root = 0;
tail = & make_path.ptr[root];
while (*tail) {
/* advance tail to include next path component */
while (*tail == '/')
tail++;
while (*tail && *tail != '/')
tail++;
/* truncate path at next component */
lastch = *tail;
*tail = '\0';
/* make directory */
if (p_mkdir(make_path.ptr, mode) < 0 &&
(errno != EEXIST || (flags & GIT_MKDIR_EXCL) != 0))
{
giterr_set(GITERR_OS, "Failed to make directory '%s'",
make_path.ptr);
goto fail;
}
/* chmod if requested */
if ((flags & GIT_MKDIR_CHMOD_PATH) != 0 ||
((flags & GIT_MKDIR_CHMOD) != 0 && lastch == '\0'))
{
if (p_chmod(make_path.ptr, mode) < 0) {
giterr_set(GITERR_OS, "Failed to set permissions on '%s'",
make_path.ptr);
goto fail;
}
}
*tail = lastch;
}
git_buf_free(&make_path);
return 0;
fail:
git_buf_free(&make_path);
return -1;
}
