return fnmatch(pattern, string, flags | (ignore_case ? FNM_CASEFOLD : 0));
}
-static int common_prefix(const char **pathspec)
+static size_t common_prefix_len(const char **pathspec)
{
- const char *path, *slash, *next;
- int prefix;
+ const char *n, *first;
+ size_t max = 0;
if (!pathspec)
- return 0;
+ return max;
+
+ first = *pathspec;
+ while ((n = *pathspec++)) {
+ size_t i, len = 0;
+ for (i = 0; first == n || i < max; i++) {
+ char c = n[i];
+ if (!c || c != first[i] || is_glob_special(c))
+ break;
+ if (c == '/')
+ len = i + 1;
+ }
+ if (first == n || len < max) {
+ max = len;
+ if (!max)
+ break;
+ }
+ }
+ return max;
+}
- path = *pathspec;
- slash = strrchr(path, '/');
- if (!slash)
- return 0;
+/*
+ * Returns a copy of the longest leading path common among all
+ * pathspecs.
+ */
+char *common_prefix(const char **pathspec)
+{
+ unsigned long len = common_prefix_len(pathspec);
- /*
- * The first 'prefix' characters of 'path' are common leading
- * path components among the pathspecs we have seen so far,
- * including the trailing slash.
- */
- prefix = slash - path + 1;
- while ((next = *++pathspec) != NULL) {
- int len, last_matching_slash = -1;
- for (len = 0; len < prefix && next[len] == path[len]; len++)
- if (next[len] == '/')
- last_matching_slash = len;
- if (len == prefix)
- continue;
- if (last_matching_slash < 0)
- return 0;
- prefix = last_matching_slash + 1;
- }
- return prefix;
+ return len ? xmemdupz(*pathspec, len) : NULL;
}
int fill_directory(struct dir_struct *dir, const char **pathspec)
{
- const char *path;
- int len;
+ size_t len;
/*
* Calculate common prefix for the pathspec, and
* use that to optimize the directory walk
*/
- len = common_prefix(pathspec);
- path = "";
-
- if (len)
- path = xmemdupz(*pathspec, len);
+ len = common_prefix_len(pathspec);
/* Read the directory and prune it */
- read_directory(dir, path, len, pathspec);
+ read_directory(dir, pathspec ? *pathspec : "", len, pathspec);
return len;
}
return -1; /* undecided */
}
-int excluded(struct dir_struct *dir, const char *pathname, int *dtype_p)
+static int excluded(struct dir_struct *dir, const char *pathname, int *dtype_p)
{
int pathlen = strlen(pathname);
int st;
return 0;
}
+void path_exclude_check_init(struct path_exclude_check *check,
+ struct dir_struct *dir)
+{
+ check->dir = dir;
+ strbuf_init(&check->path, 256);
+}
+
+void path_exclude_check_clear(struct path_exclude_check *check)
+{
+ strbuf_release(&check->path);
+}
+
+/*
+ * Is this name excluded? This is for a caller like show_files() that
+ * do not honor directory hierarchy and iterate through paths that are
+ * possibly in an ignored directory.
+ *
+ * A path to a directory known to be excluded is left in check->path to
+ * optimize for repeated checks for files in the same excluded directory.
+ */
+int path_excluded(struct path_exclude_check *check,
+ const char *name, int namelen, int *dtype)
+{
+ int i;
+ struct strbuf *path = &check->path;
+
+ /*
+ * we allow the caller to pass namelen as an optimization; it
+ * must match the length of the name, as we eventually call
+ * excluded() on the whole name string.
+ */
+ if (namelen < 0)
+ namelen = strlen(name);
+
+ if (path->len &&
+ path->len <= namelen &&
+ !memcmp(name, path->buf, path->len) &&
+ (!name[path->len] || name[path->len] == '/'))
+ return 1;
+
+ strbuf_setlen(path, 0);
+ for (i = 0; name[i]; i++) {
+ int ch = name[i];
+
+ if (ch == '/') {
+ int dt = DT_DIR;
+ if (excluded(check->dir, path->buf, &dt))
+ return 1;
+ }
+ strbuf_addch(path, ch);
+ }
+
+ /* An entry in the index; cannot be a directory with subentries */
+ strbuf_setlen(path, 0);
+
+ return excluded(check->dir, name, dtype);
+}
+
static struct dir_entry *dir_entry_new(const char *pathname, int len)
{
struct dir_entry *ent;
int check_only,
const struct path_simplify *simplify)
{
- DIR *fdir = opendir(*base ? base : ".");
+ DIR *fdir;
int contents = 0;
+ struct dirent *de;
+ struct strbuf path = STRBUF_INIT;
- if (fdir) {
- struct dirent *de;
- struct strbuf path = STRBUF_INIT;
-
- strbuf_add(&path, base, baselen);
-
- while ((de = readdir(fdir)) != NULL) {
- switch (treat_path(dir, de, &path, baselen, simplify)) {
- case path_recurse:
- contents += read_directory_recursive
- (dir, path.buf, path.len, 0, simplify);
- continue;
- case path_ignored:
- continue;
- case path_handled:
- break;
- }
- contents++;
- if (check_only)
- goto exit_early;
- else
- dir_add_name(dir, path.buf, path.len);
+ strbuf_add(&path, base, baselen);
+
+ fdir = opendir(path.len ? path.buf : ".");
+ if (!fdir)
+ goto out;
+
+ while ((de = readdir(fdir)) != NULL) {
+ switch (treat_path(dir, de, &path, baselen, simplify)) {
+ case path_recurse:
+ contents += read_directory_recursive(dir, path.buf,
+ path.len, 0,
+ simplify);
+ continue;
+ case path_ignored:
+ continue;
+ case path_handled:
+ break;
}
-exit_early:
- closedir(fdir);
- strbuf_release(&path);
+ contents++;
+ if (check_only)
+ break;
+ dir_add_name(dir, path.buf, path.len);
}
+ closedir(fdir);
+ out:
+ strbuf_release(&path);
return contents;
}
return ret;
}
-int remove_dir_recursively(struct strbuf *path, int flag)
+static int remove_dir_recurse(struct strbuf *path, int flag, int *kept_up)
{
DIR *dir;
struct dirent *e;
- int ret = 0, original_len = path->len, len;
+ int ret = 0, original_len = path->len, len, kept_down = 0;
int only_empty = (flag & REMOVE_DIR_EMPTY_ONLY);
+ int keep_toplevel = (flag & REMOVE_DIR_KEEP_TOPLEVEL);
unsigned char submodule_head[20];
if ((flag & REMOVE_DIR_KEEP_NESTED_GIT) &&
- !resolve_gitlink_ref(path->buf, "HEAD", submodule_head))
+ !resolve_gitlink_ref(path->buf, "HEAD", submodule_head)) {
/* Do not descend and nuke a nested git work tree. */
+ if (kept_up)
+ *kept_up = 1;
return 0;
+ }
+ flag &= ~REMOVE_DIR_KEEP_TOPLEVEL;
dir = opendir(path->buf);
- if (!dir)
- return rmdir(path->buf);
+ if (!dir) {
+ /* an empty dir could be removed even if it is unreadble */
+ if (!keep_toplevel)
+ return rmdir(path->buf);
+ else
+ return -1;
+ }
if (path->buf[original_len - 1] != '/')
strbuf_addch(path, '/');
if (lstat(path->buf, &st))
; /* fall thru */
else if (S_ISDIR(st.st_mode)) {
- if (!remove_dir_recursively(path, only_empty))
+ if (!remove_dir_recurse(path, flag, &kept_down))
continue; /* happy */
} else if (!only_empty && !unlink(path->buf))
continue; /* happy, too */
closedir(dir);
strbuf_setlen(path, original_len);
- if (!ret)
+ if (!ret && !keep_toplevel && !kept_down)
ret = rmdir(path->buf);
+ else if (kept_up)
+ /*
+ * report the uplevel that it is not an error that we
+ * did not rmdir() our directory.
+ */
+ *kept_up = !ret;
return ret;
}
+int remove_dir_recursively(struct strbuf *path, int flag)
+{
+ return remove_dir_recurse(path, flag, NULL);
+}
+
void setup_standard_excludes(struct dir_struct *dir)
{
const char *path;