Merge branch 'rs/archive-excluded-directory' into maint

"git archive", especially when used with pathspec, stored an empty
directory in its output, even though Git itself never does so.
This has been fixed.

* rs/archive-excluded-directory:
  archive: don't add empty directories to archives

archive.c

@@ -121,11 +121,6 @@ static int check_attr_export_subst(const struct attr_check *check)
 	return check && ATTR_TRUE(check->items[1].value);
 }
 
-static int should_queue_directories(const struct archiver_args *args)
-{
-	return args->pathspec.has_wildcard;
-}
-
 static int write_archive_entry(const unsigned char *sha1, const char *base,
 		int baselen, const char *filename, unsigned mode, int stage,
 		void *context)
@@ -147,7 +142,7 @@ static int write_archive_entry(const unsigned char *sha1, const char *base,
 		strbuf_addch(&path, '/');
 	path_without_prefix = path.buf + args->baselen;
 
-	if (!S_ISDIR(mode) || !should_queue_directories(args)) {
+	if (!S_ISDIR(mode)) {
 		const struct attr_check *check;
 		check = get_archive_attrs(path_without_prefix);
 		if (check_attr_export_ignore(check))
@@ -169,14 +164,6 @@ static int write_archive_entry(const unsigned char *sha1, const char *base,
 	return write_entry(args, sha1, path.buf, path.len, mode);
 }
 
-static int write_archive_entry_buf(const unsigned char *sha1, struct strbuf *base,
-		const char *filename, unsigned mode, int stage,
-		void *context)
-{
-	return write_archive_entry(sha1, base->buf, base->len,
-				     filename, mode, stage, context);
-}
-
 static void queue_directory(const unsigned char *sha1,
 		struct strbuf *base, const char *filename,
 		unsigned mode, int stage, struct archiver_context *c)
@@ -290,9 +277,7 @@ int write_archive_entries(struct archiver_args *args,
 	}
 
 	err = read_tree_recursive(args->tree, "", 0, 0, &args->pathspec,
-				  should_queue_directories(args) ?
-				  queue_or_write_archive_entry :
-				  write_archive_entry_buf,
+				  queue_or_write_archive_entry,
 				  &context);
 	if (err == READ_TREE_RECURSIVE)
 		err = 0;

t/t5001-archive-attr.sh

@@ -73,7 +73,7 @@ test_expect_missing	archive-pathspec/ignored-by-tree
 test_expect_missing	archive-pathspec/ignored-by-tree.d
 test_expect_missing	archive-pathspec/ignored-by-tree.d/file
 test_expect_exists	archive-pathspec/ignored-by-worktree
-test_expect_missing	archive-pathspec/excluded-by-pathspec.d failure
+test_expect_missing	archive-pathspec/excluded-by-pathspec.d
 test_expect_missing	archive-pathspec/excluded-by-pathspec.d/file
 
 test_expect_success 'git archive with wildcard pathspec' '

t/t5002-archive-attr-pattern.sh

@@ -76,7 +76,7 @@ test_expect_missing	archive/deep/and/slashless/ &&
 test_expect_missing	archive/deep/and/slashless/foo &&
 test_expect_missing	archive/deep/with/wildcard/ &&
 test_expect_missing	archive/deep/with/wildcard/foo &&
-test_expect_exists	archive/one-level-lower/
+test_expect_missing	archive/one-level-lower/
 test_expect_missing	archive/one-level-lower/two-levels-lower/ignored-only-if-dir/
 test_expect_missing	archive/one-level-lower/two-levels-lower/ignored-ony-if-dir/ignored-by-ignored-dir
 

t/t5004-archive-corner-cases.sh

@@ -108,14 +108,14 @@ test_expect_success 'archive empty subtree with no pathspec' '
 	git archive --format=tar $root_tree >subtree-all.tar &&
 	make_dir extract &&
 	"$TAR" xf subtree-all.tar -C extract &&
-	check_dir extract sub
+	check_dir extract
 '
 
 test_expect_success 'archive empty subtree by direct pathspec' '
 	git archive --format=tar $root_tree -- sub >subtree-path.tar &&
 	make_dir extract &&
 	"$TAR" xf subtree-path.tar -C extract &&
-	check_dir extract sub
+	check_dir extract
 '
 
 ZIPINFO=zipinfo