ci: exercise the whole test suite with uncommon code in pack-objects

diff --git a/read-cache.c b/read-cache.c
index 10f1c6bb8a316e85448445afc3478c832d61709c..fa3df2e72e0a520b2bc1ad5fdcb93beed445bfa0 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -2268,7 +2268,7 @@ static int do_write_index(struct index_state *istate, struct tempfile *tempfile,
 
        if (!istate->version) {
                istate->version = get_index_format_default();
-               if (getenv("GIT_TEST_SPLIT_INDEX"))
+               if (git_env_bool("GIT_TEST_SPLIT_INDEX", 0))
                        init_split_index(istate);
        }
 
@@ -2559,7 +2559,7 @@ int write_locked_index(struct index_state *istate, struct lock_file *lock,
                goto out;
        }
 
-       if (getenv("GIT_TEST_SPLIT_INDEX")) {
+       if (git_env_bool("GIT_TEST_SPLIT_INDEX", 0)) {
                int v = si->base_sha1[0];
                if ((v & 15) < 6)
                        istate->cache_changed |= SPLIT_INDEX_ORDERED;