git-clean: Honor pathspec.

git-clean "*.rej" should attempt to look at only paths that match
pattern "*.rej", but rewrite to C broke it.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin-clean.c b/builtin-clean.c
index 56ae4eb9bb4efad179f7d664880457535bd6048f..ae30d4e76c3e758689464f41a63dda0605d60e9f 100644 (file)
--- a/builtin-clean.c
+++ b/builtin-clean.c
@@ -27,13 +27,14 @@ static int git_clean_config(const char *var, const char *value)
 
 int cmd_clean(int argc, const char **argv, const char *prefix)
 {
-       int j;
+       int i;
        int show_only = 0, remove_directories = 0, quiet = 0, ignored = 0;
        int ignored_only = 0, baselen = 0, config_set = 0;
        struct strbuf directory;
        struct dir_struct dir;
        const char *path, *base;
        static const char **pathspec;
+       char *seen = NULL;
        struct option options[] = {
                OPT__QUIET(&quiet),
                OPT__DRY_RUN(&show_only),
@@ -85,12 +86,14 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
        read_directory(&dir, path, base, baselen, pathspec);
        strbuf_init(&directory, 0);
 
-       for (j = 0; j < dir.nr; ++j) {
-               struct dir_entry *ent = dir.entries[j];
-               int len, pos, specs;
+       if (pathspec)
+               seen = xmalloc(argc);
+
+       for (i = 0; i < dir.nr; i++) {
+               struct dir_entry *ent = dir.entries[i];
+               int len, pos, matches;
                struct cache_entry *ce;
                struct stat st;
-               char *seen;
 
                /*
                 * Remove the '/' at the end that directory
@@ -110,25 +113,29 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
                                continue; /* Yup, this one exists unmerged */
                }
 
-               if (!lstat(ent->name, &st) && (S_ISDIR(st.st_mode))) {
-                       int matched_path = 0;
+               /*
+                * we might have removed this as part of earlier
+                * recursive directory removal, so lstat() here could
+                * fail with ENOENT.
+                */
+               if (lstat(ent->name, &st))
+                       continue;
+
+               if (pathspec) {
+                       memset(seen, 0, argc);
+                       matches = match_pathspec(pathspec, ent->name, ent->len,
+                                                baselen, seen);
+               } else {
+                       matches = 0;
+               }
+
+               if (S_ISDIR(st.st_mode)) {
                        strbuf_addstr(&directory, ent->name);
-                       if (pathspec) {
-                               for (specs =0; pathspec[specs]; ++specs)
-                                       /* nothing */;
-                               seen = xcalloc(specs, 1);
-                               /* Check if directory was explictly passed as
-                                * pathspec.  If so we want to remove it */
-                               if (match_pathspec(pathspec, ent->name, ent->len,
-                                                  baselen, seen))
-                                       matched_path = 1;
-                               free(seen);
-                       }
-                       if (show_only && (remove_directories || matched_path)) {
+                       if (show_only && (remove_directories || matches)) {
                                printf("Would remove %s\n", directory.buf);
-                       } else if (quiet && (remove_directories || matched_path)) {
+                       } else if (quiet && (remove_directories || matches)) {
                                remove_dir_recursively(&directory, 0);
-                       } else if (remove_directories || matched_path) {
+                       } else if (remove_directories || matches) {
                                printf("Removing %s\n", directory.buf);
                                remove_dir_recursively(&directory, 0);
                        } else if (show_only) {
@@ -138,6 +145,8 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
                        }
                        strbuf_reset(&directory);
                } else {
+                       if (pathspec && !matches)
+                               continue;
                        if (show_only) {
                                printf("Would remove %s\n", ent->name);
                                continue;
@@ -147,6 +156,7 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
                        unlink(ent->name);
                }
        }
+       free(seen);
 
        strbuf_release(&directory);
        return 0;