t7300: add tests to document behavior of clean and nested git

diff --git a/builtin/clone.c b/builtin/clone.c
index 13030ee1d15d59b049134cefe5b46e48e1253109..b878252bc2e64bbe95adbae5554618f017c9ac85 100644 (file)
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -293,16 +293,17 @@ static void copy_alternates(struct strbuf *src, struct strbuf *dst,
        struct strbuf line = STRBUF_INIT;
 
        while (strbuf_getline(&line, in, '\n') != EOF) {
-               char *abs_path, abs_buf[PATH_MAX];
+               char *abs_path;
                if (!line.len || line.buf[0] == '#')
                        continue;
                if (is_absolute_path(line.buf)) {
                        add_to_alternates_file(line.buf);
                        continue;
                }
-               abs_path = mkpath("%s/objects/%s", src_repo, line.buf);
-               normalize_path_copy(abs_buf, abs_path);
-               add_to_alternates_file(abs_buf);
+               abs_path = mkpathdup("%s/objects/%s", src_repo, line.buf);
+               normalize_path_copy(abs_path, abs_path);
+               add_to_alternates_file(abs_path);
+               free(abs_path);
        }
        strbuf_release(&line);
        fclose(in);