The check (which uses the old oid) is yet to be implemented, but this part is just a refactor, so it can go separately first.
Signed-off-by: Stefan Beller <sbel...@google.com> --- unpack-trees.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) diff --git a/unpack-trees.c b/unpack-trees.c index 3a8ee19fe8..616a0ae4b2 100644 --- a/unpack-trees.c +++ b/unpack-trees.c @@ -1407,7 +1407,8 @@ static void invalidate_ce_path(const struct cache_entry *ce, * Currently, git does not checkout subprojects during a superproject * checkout, so it is not going to overwrite anything. */ -static int verify_clean_submodule(const struct cache_entry *ce, +static int verify_clean_submodule(const char *old_sha1, + const struct cache_entry *ce, enum unpack_trees_error_types error_type, struct unpack_trees_options *o) { @@ -1427,16 +1428,18 @@ static int verify_clean_subdirectory(const struct cache_entry *ce, struct dir_struct d; char *pathbuf; int cnt = 0; - unsigned char sha1[20]; - if (S_ISGITLINK(ce->ce_mode) && - resolve_gitlink_ref(ce->name, "HEAD", sha1) == 0) { - /* If we are not going to update the submodule, then + if (S_ISGITLINK(ce->ce_mode)) { + unsigned char sha1[20]; + int sub_head = resolve_gitlink_ref(ce->name, "HEAD", sha1); + /* + * If we are not going to update the submodule, then * we don't care. */ - if (!hashcmp(sha1, ce->oid.hash)) + if (!sub_head && !hashcmp(sha1, ce->oid.hash)) return 0; - return verify_clean_submodule(ce, error_type, o); + return verify_clean_submodule(sub_head ? NULL : sha1_to_hex(sha1), + ce, error_type, o); } /* -- 2.12.0.rc1.52.ge239d7e709.dirty