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-rw-r--r--dir.c96
1 files changed, 78 insertions, 18 deletions
diff --git a/dir.c b/dir.c
index 23b6de4703..98bb50fbab 100644
--- a/dir.c
+++ b/dir.c
@@ -126,10 +126,13 @@ static size_t common_prefix_len(const struct pathspec *pathspec)
PATHSPEC_MAXDEPTH |
PATHSPEC_LITERAL |
PATHSPEC_GLOB |
- PATHSPEC_ICASE);
+ PATHSPEC_ICASE |
+ PATHSPEC_EXCLUDE);
for (n = 0; n < pathspec->nr; n++) {
size_t i = 0, len = 0, item_len;
+ if (pathspec->items[n].magic & PATHSPEC_EXCLUDE)
+ continue;
if (pathspec->items[n].magic & PATHSPEC_ICASE)
item_len = pathspec->items[n].prefix;
else
@@ -192,6 +195,9 @@ int within_depth(const char *name, int namelen,
return 1;
}
+#define DO_MATCH_EXCLUDE 1
+#define DO_MATCH_DIRECTORY 2
+
/*
* Does 'match' match the given name?
* A match is found if
@@ -205,7 +211,7 @@ int within_depth(const char *name, int namelen,
* It returns 0 when there is no match.
*/
static int match_pathspec_item(const struct pathspec_item *item, int prefix,
- const char *name, int namelen)
+ const char *name, int namelen, unsigned flags)
{
/* name/namelen has prefix cut off by caller */
const char *match = item->match + prefix;
@@ -215,7 +221,7 @@ static int match_pathspec_item(const struct pathspec_item *item, int prefix,
* The normal call pattern is:
* 1. prefix = common_prefix_len(ps);
* 2. prune something, or fill_directory
- * 3. match_pathspec_depth()
+ * 3. match_pathspec()
*
* 'prefix' at #1 may be shorter than the command's prefix and
* it's ok for #2 to match extra files. Those extras will be
@@ -254,7 +260,11 @@ static int match_pathspec_item(const struct pathspec_item *item, int prefix,
if (match[matchlen-1] == '/' || name[matchlen] == '/')
return MATCHED_RECURSIVELY;
- }
+ } else if ((flags & DO_MATCH_DIRECTORY) &&
+ match[matchlen - 1] == '/' &&
+ namelen == matchlen - 1 &&
+ !ps_strncmp(item, match, name, namelen))
+ return MATCHED_EXACTLY;
if (item->nowildcard_len < item->len &&
!git_fnmatch(item, match, name,
@@ -279,18 +289,20 @@ static int match_pathspec_item(const struct pathspec_item *item, int prefix,
* pathspec did not match any names, which could indicate that the
* user mistyped the nth pathspec.
*/
-int match_pathspec_depth(const struct pathspec *ps,
- const char *name, int namelen,
- int prefix, char *seen)
+static int do_match_pathspec(const struct pathspec *ps,
+ const char *name, int namelen,
+ int prefix, char *seen,
+ unsigned flags)
{
- int i, retval = 0;
+ int i, retval = 0, exclude = flags & DO_MATCH_EXCLUDE;
GUARD_PATHSPEC(ps,
PATHSPEC_FROMTOP |
PATHSPEC_MAXDEPTH |
PATHSPEC_LITERAL |
PATHSPEC_GLOB |
- PATHSPEC_ICASE);
+ PATHSPEC_ICASE |
+ PATHSPEC_EXCLUDE);
if (!ps->nr) {
if (!ps->recursive ||
@@ -309,9 +321,21 @@ int match_pathspec_depth(const struct pathspec *ps,
for (i = ps->nr - 1; i >= 0; i--) {
int how;
+
+ if ((!exclude && ps->items[i].magic & PATHSPEC_EXCLUDE) ||
+ ( exclude && !(ps->items[i].magic & PATHSPEC_EXCLUDE)))
+ continue;
+
if (seen && seen[i] == MATCHED_EXACTLY)
continue;
- how = match_pathspec_item(ps->items+i, prefix, name, namelen);
+ /*
+ * Make exclude patterns optional and never report
+ * "pathspec ':(exclude)foo' matches no files"
+ */
+ if (seen && ps->items[i].magic & PATHSPEC_EXCLUDE)
+ seen[i] = MATCHED_FNMATCH;
+ how = match_pathspec_item(ps->items+i, prefix, name,
+ namelen, flags);
if (ps->recursive &&
(ps->magic & PATHSPEC_MAXDEPTH) &&
ps->max_depth != -1 &&
@@ -334,6 +358,22 @@ int match_pathspec_depth(const struct pathspec *ps,
return retval;
}
+int match_pathspec(const struct pathspec *ps,
+ const char *name, int namelen,
+ int prefix, char *seen, int is_dir)
+{
+ int positive, negative;
+ unsigned flags = is_dir ? DO_MATCH_DIRECTORY : 0;
+ positive = do_match_pathspec(ps, name, namelen,
+ prefix, seen, flags);
+ if (!(ps->magic & PATHSPEC_EXCLUDE) || !positive)
+ return positive;
+ negative = do_match_pathspec(ps, name, namelen,
+ prefix, seen,
+ flags | DO_MATCH_EXCLUDE);
+ return negative ? 0 : positive;
+}
+
/*
* Return the length of the "simple" part of a path match limiter.
*/
@@ -1375,11 +1415,18 @@ int read_directory(struct dir_struct *dir, const char *path, int len, const stru
PATHSPEC_MAXDEPTH |
PATHSPEC_LITERAL |
PATHSPEC_GLOB |
- PATHSPEC_ICASE);
+ PATHSPEC_ICASE |
+ PATHSPEC_EXCLUDE);
if (has_symlink_leading_path(path, len))
return dir->nr;
+ /*
+ * exclude patterns are treated like positive ones in
+ * create_simplify. Usually exclude patterns should be a
+ * subset of positive ones, which has no impacts on
+ * create_simplify().
+ */
simplify = create_simplify(pathspec ? pathspec->_raw : NULL);
if (!len || treat_leading_path(dir, path, len, simplify))
read_directory_recursive(dir, path, len, 0, simplify);
@@ -1476,8 +1523,13 @@ static int remove_dir_recurse(struct strbuf *path, int flag, int *kept_up)
flag &= ~REMOVE_DIR_KEEP_TOPLEVEL;
dir = opendir(path->buf);
if (!dir) {
- /* an empty dir could be removed even if it is unreadble */
- if (!keep_toplevel)
+ if (errno == ENOENT)
+ return keep_toplevel ? -1 : 0;
+ else if (errno == EACCES && !keep_toplevel)
+ /*
+ * An empty dir could be removable even if it
+ * is unreadable:
+ */
return rmdir(path->buf);
else
return -1;
@@ -1493,13 +1545,21 @@ static int remove_dir_recurse(struct strbuf *path, int flag, int *kept_up)
strbuf_setlen(path, len);
strbuf_addstr(path, e->d_name);
- if (lstat(path->buf, &st))
- ; /* fall thru */
- else if (S_ISDIR(st.st_mode)) {
+ if (lstat(path->buf, &st)) {
+ if (errno == ENOENT)
+ /*
+ * file disappeared, which is what we
+ * wanted anyway
+ */
+ continue;
+ /* fall thru */
+ } else if (S_ISDIR(st.st_mode)) {
if (!remove_dir_recurse(path, flag, &kept_down))
continue; /* happy */
- } else if (!only_empty && !unlink(path->buf))
+ } else if (!only_empty &&
+ (!unlink(path->buf) || errno == ENOENT)) {
continue; /* happy, too */
+ }
/* path too long, stat fails, or non-directory still exists */
ret = -1;
@@ -1509,7 +1569,7 @@ static int remove_dir_recurse(struct strbuf *path, int flag, int *kept_up)
strbuf_setlen(path, original_len);
if (!ret && !keep_toplevel && !kept_down)
- ret = rmdir(path->buf);
+ ret = (!rmdir(path->buf) || errno == ENOENT) ? 0 : -1;
else if (kept_up)
/*
* report the uplevel that it is not an error that we