for-each-ref: report broken references correctly

diff --git a/dir.c b/dir.c
index fcb68729b1f559008e1797ff50f38acf81268d3d..0943a81964ddb7b5b1d83c9c8eafe2b3b2b9da09 100644 (file)
--- a/dir.c
+++ b/dir.c
@@ -377,6 +377,49 @@ int match_pathspec(const struct pathspec *ps,
        return negative ? 0 : positive;
 }
 
+int report_path_error(const char *ps_matched,
+                     const struct pathspec *pathspec,
+                     const char *prefix)
+{
+       /*
+        * Make sure all pathspec matched; otherwise it is an error.
+        */
+       struct strbuf sb = STRBUF_INIT;
+       int num, errors = 0;
+       for (num = 0; num < pathspec->nr; num++) {
+               int other, found_dup;
+
+               if (ps_matched[num])
+                       continue;
+               /*
+                * The caller might have fed identical pathspec
+                * twice.  Do not barf on such a mistake.
+                * FIXME: parse_pathspec should have eliminated
+                * duplicate pathspec.
+                */
+               for (found_dup = other = 0;
+                    !found_dup && other < pathspec->nr;
+                    other++) {
+                       if (other == num || !ps_matched[other])
+                               continue;
+                       if (!strcmp(pathspec->items[other].original,
+                                   pathspec->items[num].original))
+                               /*
+                                * Ok, we have a match already.
+                                */
+                               found_dup = 1;
+               }
+               if (found_dup)
+                       continue;
+
+               error("pathspec '%s' did not match any file(s) known to git.",
+                     pathspec->items[num].original);
+               errors++;
+       }
+       strbuf_release(&sb);
+       return errors;
+}
+
 /*
  * Return the length of the "simple" part of a path match limiter.
  */
@@ -826,9 +869,9 @@ static void prep_exclude(struct dir_struct *dir, const char *base, int baselen)
        current = stk ? stk->baselen : -1;
        strbuf_setlen(&dir->basebuf, current < 0 ? 0 : current);
        while (current < baselen) {
-               struct exclude_stack *stk = xcalloc(1, sizeof(*stk));
                const char *cp;
 
+               stk = xcalloc(1, sizeof(*stk));
                if (current < 0) {
                        cp = base;
                        current = 0;
@@ -1507,12 +1550,16 @@ int dir_inside_of(const char *subdir, const char *dir)
 
 int is_inside_dir(const char *dir)
 {
-       char cwd[PATH_MAX];
+       char *cwd;
+       int rc;
+
        if (!dir)
                return 0;
-       if (!getcwd(cwd, sizeof(cwd)))
-               die_errno("can't find the current directory");
-       return dir_inside_of(cwd, dir) >= 0;
+
+       cwd = xgetcwd();
+       rc = (dir_inside_of(cwd, dir) >= 0);
+       free(cwd);
+       return rc;
 }
 
 int is_empty_dir(const char *path)