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index 0e6b752cd5833bfb970619983b4efa880aaaf134..67c3af6a1a91e2acaa873587d6df5318d2fb9ba8 100644 (file)
--- a/dir.c
+++ b/dir.c
const char *path;
};
-static int read_directory_recursive(struct dir_struct *dir,
- const char *path, const char *base, int baselen,
+static int read_directory_recursive(struct dir_struct *dir, const char *path, int len,
int check_only, const struct path_simplify *simplify);
-static int get_dtype(struct dirent *de, const char *path);
+static int get_dtype(struct dirent *de, const char *path, int len);
-int common_prefix(const char **pathspec)
+static int common_prefix(const char **pathspec)
{
const char *path, *slash, *next;
int prefix;
return prefix;
}
+int fill_directory(struct dir_struct *dir, const char **pathspec)
+{
+ const char *path;
+ int 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);
+
+ /* Read the directory and prune it */
+ read_directory(dir, path, len, pathspec);
+ return len;
+}
+
/*
* Does 'match' match the given name?
* A match is found if
which->excludes[which->nr++] = x;
}
-static int add_excludes_from_file_1(const char *fname,
- const char *base,
- int baselen,
- char **buf_p,
- struct exclude_list *which)
+static void *read_skip_worktree_file_from_index(const char *path, size_t *size)
+{
+ int pos, len;
+ unsigned long sz;
+ enum object_type type;
+ void *data;
+ struct index_state *istate = &the_index;
+
+ len = strlen(path);
+ pos = index_name_pos(istate, path, len);
+ if (pos < 0)
+ return NULL;
+ if (!ce_skip_worktree(istate->cache[pos]))
+ return NULL;
+ data = read_sha1_file(istate->cache[pos]->sha1, &type, &sz);
+ if (!data || type != OBJ_BLOB) {
+ free(data);
+ return NULL;
+ }
+ *size = xsize_t(sz);
+ return data;
+}
+
+int add_excludes_from_file_to_list(const char *fname,
+ const char *base,
+ int baselen,
+ char **buf_p,
+ struct exclude_list *which,
+ int check_index)
{
struct stat st;
int fd, i;
char *buf, *entry;
fd = open(fname, O_RDONLY);
- if (fd < 0 || fstat(fd, &st) < 0)
- goto err;
- size = xsize_t(st.st_size);
- if (size == 0) {
- close(fd);
- return 0;
+ if (fd < 0 || fstat(fd, &st) < 0) {
+ if (0 <= fd)
+ close(fd);
+ if (!check_index ||
+ (buf = read_skip_worktree_file_from_index(fname, &size)) == NULL)
+ return -1;
+ if (size == 0) {
+ free(buf);
+ return 0;
+ }
+ if (buf[size-1] != '\n') {
+ buf = xrealloc(buf, size+1);
+ buf[size++] = '\n';
+ }
}
- buf = xmalloc(size+1);
- if (read_in_full(fd, buf, size) != size)
- {
- free(buf);
- goto err;
+ else {
+ size = xsize_t(st.st_size);
+ if (size == 0) {
+ close(fd);
+ return 0;
+ }
+ buf = xmalloc(size+1);
+ if (read_in_full(fd, buf, size) != size) {
+ free(buf);
+ close(fd);
+ return -1;
+ }
+ buf[size++] = '\n';
+ close(fd);
}
- close(fd);
if (buf_p)
*buf_p = buf;
- buf[size++] = '\n';
entry = buf;
for (i = 0; i < size; i++) {
if (buf[i] == '\n') {
}
}
return 0;
-
- err:
- if (0 <= fd)
- close(fd);
- return -1;
}
void add_excludes_from_file(struct dir_struct *dir, const char *fname)
{
- if (add_excludes_from_file_1(fname, "", 0, NULL,
- &dir->exclude_list[EXC_FILE]) < 0)
+ if (add_excludes_from_file_to_list(fname, "", 0, NULL,
+ &dir->exclude_list[EXC_FILE], 0) < 0)
die("cannot use %s as an exclude file", fname);
}
memcpy(dir->basebuf + current, base + current,
stk->baselen - current);
strcpy(dir->basebuf + stk->baselen, dir->exclude_per_dir);
- add_excludes_from_file_1(dir->basebuf,
- dir->basebuf, stk->baselen,
- &stk->filebuf, el);
+ add_excludes_from_file_to_list(dir->basebuf,
+ dir->basebuf, stk->baselen,
+ &stk->filebuf, el, 1);
dir->exclude_stack = stk;
current = stk->baselen;
}
/* Scan the list and let the last match determine the fate.
* Return 1 for exclude, 0 for include and -1 for undecided.
*/
-static int excluded_1(const char *pathname,
- int pathlen, const char *basename, int *dtype,
- struct exclude_list *el)
+int excluded_from_list(const char *pathname,
+ int pathlen, const char *basename, int *dtype,
+ struct exclude_list *el)
{
int i;
int to_exclude = x->to_exclude;
if (x->flags & EXC_FLAG_MUSTBEDIR) {
+ if (!dtype) {
+ if (!prefixcmp(pathname, exclude))
+ return to_exclude;
+ else
+ continue;
+ }
if (*dtype == DT_UNKNOWN)
- *dtype = get_dtype(NULL, pathname);
+ *dtype = get_dtype(NULL, pathname, pathlen);
if (*dtype != DT_DIR)
continue;
}
prep_exclude(dir, pathname, basename-pathname);
for (st = EXC_CMDL; st <= EXC_FILE; st++) {
- switch (excluded_1(pathname, pathlen, basename,
- dtype_p, &dir->exclude_list[st])) {
+ switch (excluded_from_list(pathname, pathlen, basename,
+ dtype_p, &dir->exclude_list[st])) {
case 0:
return 0;
case 1:
@@ -396,7 +455,7 @@ static struct dir_entry *dir_add_name(struct dir_struct *dir, const char *pathna
static struct dir_entry *dir_add_ignored(struct dir_struct *dir, const char *pathname, int len)
{
- if (cache_name_pos(pathname, len) >= 0)
+ if (!cache_name_is_other(pathname, len))
return NULL;
ALLOC_GROW(dir->ignored, dir->ignored_nr+1, dir->ignored_alloc);
/* This is the "show_other_directories" case */
if (!(dir->flags & DIR_HIDE_EMPTY_DIRECTORIES))
return show_directory;
- if (!read_directory_recursive(dir, dirname, dirname, len, 1, simplify))
+ if (!read_directory_recursive(dir, dirname, len, 1, simplify))
return ignore_directory;
return show_directory;
}
@@ -547,11 +606,52 @@ static int in_pathspec(const char *path, int len, const struct path_simplify *si
return 0;
}
-static int get_dtype(struct dirent *de, const char *path)
+static int get_index_dtype(const char *path, int len)
+{
+ int pos;
+ struct cache_entry *ce;
+
+ ce = cache_name_exists(path, len, 0);
+ if (ce) {
+ if (!ce_uptodate(ce))
+ return DT_UNKNOWN;
+ if (S_ISGITLINK(ce->ce_mode))
+ return DT_DIR;
+ /*
+ * Nobody actually cares about the
+ * difference between DT_LNK and DT_REG
+ */
+ return DT_REG;
+ }
+
+ /* Try to look it up as a directory */
+ pos = cache_name_pos(path, len);
+ if (pos >= 0)
+ return DT_UNKNOWN;
+ pos = -pos-1;
+ while (pos < active_nr) {
+ ce = active_cache[pos++];
+ if (strncmp(ce->name, path, len))
+ break;
+ if (ce->name[len] > '/')
+ break;
+ if (ce->name[len] < '/')
+ continue;
+ if (!ce_uptodate(ce))
+ break; /* continue? */
+ return DT_DIR;
+ }
+ return DT_UNKNOWN;
+}
+
+static int get_dtype(struct dirent *de, const char *path, int len)
{
int dtype = de ? DTYPE(de) : DT_UNKNOWN;
struct stat st;
+ if (dtype != DT_UNKNOWN)
+ return dtype;
+ dtype = get_index_dtype(path, len);
if (dtype != DT_UNKNOWN)
return dtype;
if (lstat(path, &st))
return dtype;
}
+enum path_treatment {
+ path_ignored,
+ path_handled,
+ path_recurse,
+};
+
+static enum path_treatment treat_one_path(struct dir_struct *dir,
+ char *path, int *len,
+ const struct path_simplify *simplify,
+ int dtype, struct dirent *de)
+{
+ int exclude = excluded(dir, path, &dtype);
+ if (exclude && (dir->flags & DIR_COLLECT_IGNORED)
+ && in_pathspec(path, *len, simplify))
+ dir_add_ignored(dir, path, *len);
+
+ /*
+ * Excluded? If we don't explicitly want to show
+ * ignored files, ignore it
+ */
+ if (exclude && !(dir->flags & DIR_SHOW_IGNORED))
+ return path_ignored;
+
+ if (dtype == DT_UNKNOWN)
+ dtype = get_dtype(de, path, *len);
+
+ /*
+ * Do we want to see just the ignored files?
+ * We still need to recurse into directories,
+ * even if we don't ignore them, since the
+ * directory may contain files that we do..
+ */
+ if (!exclude && (dir->flags & DIR_SHOW_IGNORED)) {
+ if (dtype != DT_DIR)
+ return path_ignored;
+ }
+
+ switch (dtype) {
+ default:
+ return path_ignored;
+ case DT_DIR:
+ memcpy(path + *len, "/", 2);
+ (*len)++;
+ switch (treat_directory(dir, path, *len, simplify)) {
+ case show_directory:
+ if (exclude != !!(dir->flags
+ & DIR_SHOW_IGNORED))
+ return path_ignored;
+ break;
+ case recurse_into_directory:
+ return path_recurse;
+ case ignore_directory:
+ return path_ignored;
+ }
+ break;
+ case DT_REG:
+ case DT_LNK:
+ break;
+ }
+ return path_handled;
+}
+
+static enum path_treatment treat_path(struct dir_struct *dir,
+ struct dirent *de,
+ char *path, int path_max,
+ int baselen,
+ const struct path_simplify *simplify,
+ int *len)
+{
+ int dtype;
+
+ if (is_dot_or_dotdot(de->d_name) || !strcmp(de->d_name, ".git"))
+ return path_ignored;
+ *len = strlen(de->d_name);
+ /* Ignore overly long pathnames! */
+ if (*len + baselen + 8 > path_max)
+ return path_ignored;
+ memcpy(path + baselen, de->d_name, *len + 1);
+ *len += baselen;
+ if (simplify_away(path, *len, simplify))
+ return path_ignored;
+
+ dtype = DTYPE(de);
+ return treat_one_path(dir, path, len, simplify, dtype, de);
+}
+
/*
* Read a directory tree. We currently ignore anything but
* directories, regular files and symlinks. That's because git
* Also, we ignore the name ".git" (even if it is not a directory).
* That likely will not change.
*/
-static int read_directory_recursive(struct dir_struct *dir, const char *path, const char *base, int baselen, int check_only, const struct path_simplify *simplify)
+static int read_directory_recursive(struct dir_struct *dir,
+ const char *base, int baselen,
+ int check_only,
+ const struct path_simplify *simplify)
{
- DIR *fdir = opendir(*path ? path : ".");
+ DIR *fdir = opendir(*base ? base : ".");
int contents = 0;
if (fdir) {
struct dirent *de;
- char fullname[PATH_MAX + 1];
- memcpy(fullname, base, baselen);
+ char path[PATH_MAX + 1];
+ memcpy(path, base, baselen);
while ((de = readdir(fdir)) != NULL) {
- int len, dtype;
- int exclude;
-
- if (is_dot_or_dotdot(de->d_name) ||
- !strcmp(de->d_name, ".git"))
+ int len;
+ switch (treat_path(dir, de, path, sizeof(path),
+ baselen, simplify, &len)) {
+ case path_recurse:
+ contents += read_directory_recursive
+ (dir, path, len, 0, simplify);
continue;
- len = strlen(de->d_name);
- /* Ignore overly long pathnames! */
- if (len + baselen + 8 > sizeof(fullname))
+ case path_ignored:
continue;
- memcpy(fullname + baselen, de->d_name, len+1);
- if (simplify_away(fullname, baselen + len, simplify))
- continue;
-
- dtype = DTYPE(de);
- exclude = excluded(dir, fullname, &dtype);
- if (exclude && (dir->flags & DIR_COLLECT_IGNORED)
- && in_pathspec(fullname, baselen + len, simplify))
- dir_add_ignored(dir, fullname, baselen + len);
-
- /*
- * Excluded? If we don't explicitly want to show
- * ignored files, ignore it
- */
- if (exclude && !(dir->flags & DIR_SHOW_IGNORED))
- continue;
-
- if (dtype == DT_UNKNOWN)
- dtype = get_dtype(de, fullname);
-
- /*
- * Do we want to see just the ignored files?
- * We still need to recurse into directories,
- * even if we don't ignore them, since the
- * directory may contain files that we do..
- */
- if (!exclude && (dir->flags & DIR_SHOW_IGNORED)) {
- if (dtype != DT_DIR)
- continue;
- }
-
- switch (dtype) {
- default:
- continue;
- case DT_DIR:
- memcpy(fullname + baselen + len, "/", 2);
- len++;
- switch (treat_directory(dir, fullname, baselen + len, simplify)) {
- case show_directory:
- if (exclude != !!(dir->flags
- & DIR_SHOW_IGNORED))
- continue;
- break;
- case recurse_into_directory:
- contents += read_directory_recursive(dir,
- fullname, fullname, baselen + len, 0, simplify);
- continue;
- case ignore_directory:
- continue;
- }
- break;
- case DT_REG:
- case DT_LNK:
+ case path_handled:
break;
}
contents++;
if (check_only)
goto exit_early;
else
- dir_add_name(dir, fullname, baselen + len);
+ dir_add_name(dir, path, len);
}
exit_early:
closedir(fdir);
free(simplify);
}
-int read_directory(struct dir_struct *dir, const char *path, const char *base, int baselen, const char **pathspec)
+static int treat_leading_path(struct dir_struct *dir,
+ const char *path, int len,
+ const struct path_simplify *simplify)
+{
+ char pathbuf[PATH_MAX];
+ int baselen, blen;
+ const char *cp;
+
+ while (len && path[len - 1] == '/')
+ len--;
+ if (!len)
+ return 1;
+ baselen = 0;
+ while (1) {
+ cp = path + baselen + !!baselen;
+ cp = memchr(cp, '/', path + len - cp);
+ if (!cp)
+ baselen = len;
+ else
+ baselen = cp - path;
+ memcpy(pathbuf, path, baselen);
+ pathbuf[baselen] = '\0';
+ if (!is_directory(pathbuf))
+ return 0;
+ if (simplify_away(pathbuf, baselen, simplify))
+ return 0;
+ blen = baselen;
+ if (treat_one_path(dir, pathbuf, &blen, simplify,
+ DT_DIR, NULL) == path_ignored)
+ return 0; /* do not recurse into it */
+ if (len <= baselen)
+ return 1; /* finished checking */
+ }
+}
+
+int read_directory(struct dir_struct *dir, const char *path, int len, const char **pathspec)
{
struct path_simplify *simplify;
- if (has_symlink_leading_path(path, strlen(path)))
+ if (has_symlink_leading_path(path, len))
return dir->nr;
simplify = create_simplify(pathspec);
- read_directory_recursive(dir, path, base, baselen, 0, simplify);
+ if (!len || treat_leading_path(dir, path, len, simplify))
+ read_directory_recursive(dir, path, len, 0, simplify);
free_simplify(simplify);
qsort(dir->entries, dir->nr, sizeof(struct dir_entry *), cmp_name);
qsort(dir->ignored, dir->ignored_nr, sizeof(struct dir_entry *), cmp_name);
if (!dir)
return NULL;
if (!getcwd(buffer, size))
- die("can't find the current directory: %s", strerror(errno));
+ die_errno("can't find the current directory");
if (!is_absolute_path(dir))
dir = make_absolute_path(dir);
return ret;
}
-int remove_dir_recursively(struct strbuf *path, int only_empty)
+int remove_dir_recursively(struct strbuf *path, int flag)
{
- DIR *dir = opendir(path->buf);
+ DIR *dir;
struct dirent *e;
int ret = 0, original_len = path->len, len;
+ int only_empty = (flag & REMOVE_DIR_EMPTY_ONLY);
+ unsigned char submodule_head[20];
+
+ if ((flag & REMOVE_DIR_KEEP_NESTED_GIT) &&
+ !resolve_gitlink_ref(path->buf, "HEAD", submodule_head))
+ /* Do not descend and nuke a nested git work tree. */
+ return 0;
+ dir = opendir(path->buf);
if (!dir)
return -1;
if (path->buf[original_len - 1] != '/')