Merge branch 'jk/clean-d-pathspec' into maint

"git clean -d pathspec" did not use the given pathspec correctly
and ended up cleaning too much.

* jk/clean-d-pathspec:
  clean: simplify dir/not-dir logic
  clean: respect pathspecs with "-d"

builtin/clean.c

@@ -946,17 +946,15 @@ int cmd_clean(int argc, const char **argv, const char *prefix)
 		if (pathspec.nr)
 			matches = dir_path_match(ent, &pathspec, 0, NULL);
 
-		if (S_ISDIR(st.st_mode)) {
-			if (remove_directories || (matches == MATCHED_EXACTLY)) {
-				rel = relative_path(ent->name, prefix, &buf);
-				string_list_append(&del_list, rel);
-			}
-		} else {
-			if (pathspec.nr && !matches)
-				continue;
-			rel = relative_path(ent->name, prefix, &buf);
-			string_list_append(&del_list, rel);
-		}
+		if (pathspec.nr && !matches)
+			continue;
+
+		if (S_ISDIR(st.st_mode) && !remove_directories &&
+		    matches != MATCHED_EXACTLY)
+			continue;
+
+		rel = relative_path(ent->name, prefix, &buf);
+		string_list_append(&del_list, rel);
 	}
 
 	if (interactive && del_list.nr > 0)

t/t7300-clean.sh

@@ -511,4 +511,20 @@ test_expect_success SANITY 'git clean -d with an unreadable empty directory' '
 	! test -d foo
 '
 
+test_expect_success 'git clean -d respects pathspecs (dir is prefix of pathspec)' '
+	mkdir -p foo &&
+	mkdir -p foobar &&
+	git clean -df foobar &&
+	test_path_is_dir foo &&
+	test_path_is_missing foobar
+'
+
+test_expect_success 'git clean -d respects pathspecs (pathspec is prefix of dir)' '
+	mkdir -p foo &&
+	mkdir -p foobar &&
+	git clean -df foo &&
+	test_path_is_missing foo &&
+	test_path_is_dir foobar
+'
+
 test_done