expose a helper function peel_to_type().

diff --git a/builtin-clean.c b/builtin-clean.c
index ae30d4e76c3e758689464f41a63dda0605d60e9f..eb853a37cf993a875f2acd1992ee5191783740a1 100644 (file)
--- a/builtin-clean.c
+++ b/builtin-clean.c
@@ -34,6 +34,7 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
        struct dir_struct dir;
        const char *path, *base;
        static const char **pathspec;
+       int prefix_offset = 0;
        char *seen = NULL;
        struct option options[] = {
                OPT__QUIET(&quiet),
@@ -71,6 +72,8 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
        if (!ignored)
                setup_standard_excludes(&dir);
 
+       if (prefix)
+               prefix_offset = strlen(prefix);
        pathspec = get_pathspec(prefix, argv);
        read_cache();
 
@@ -87,7 +90,7 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
        strbuf_init(&directory, 0);
 
        if (pathspec)
-               seen = xmalloc(argc);
+               seen = xmalloc(argc > 0 ? argc : 1);
 
        for (i = 0; i < dir.nr; i++) {
                struct dir_entry *ent = dir.entries[i];
@@ -122,7 +125,7 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
                        continue;
 
                if (pathspec) {
-                       memset(seen, 0, argc);
+                       memset(seen, 0, argc > 0 ? argc : 1);
                        matches = match_pathspec(pathspec, ent->name, ent->len,
                                                 baselen, seen);
                } else {
@@ -132,26 +135,32 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
                if (S_ISDIR(st.st_mode)) {
                        strbuf_addstr(&directory, ent->name);
                        if (show_only && (remove_directories || matches)) {
-                               printf("Would remove %s\n", directory.buf);
+                               printf("Would remove %s\n",
+                                      directory.buf + prefix_offset);
                        } else if (quiet && (remove_directories || matches)) {
                                remove_dir_recursively(&directory, 0);
                        } else if (remove_directories || matches) {
-                               printf("Removing %s\n", directory.buf);
+                               printf("Removing %s\n",
+                                      directory.buf + prefix_offset);
                                remove_dir_recursively(&directory, 0);
                        } else if (show_only) {
-                               printf("Would not remove %s\n", directory.buf);
+                               printf("Would not remove %s\n",
+                                      directory.buf + prefix_offset);
                        } else {
-                               printf("Not removing %s\n", directory.buf);
+                               printf("Not removing %s\n",
+                                      directory.buf + prefix_offset);
                        }
                        strbuf_reset(&directory);
                } else {
                        if (pathspec && !matches)
                                continue;
                        if (show_only) {
-                               printf("Would remove %s\n", ent->name);
+                               printf("Would remove %s\n",
+                                      ent->name + prefix_offset);
                                continue;
                        } else if (!quiet) {
-                               printf("Removing %s\n", ent->name);
+                               printf("Removing %s\n",
+                                      ent->name + prefix_offset);
                        }
                        unlink(ent->name);
                }