commit-graph: not compatible with grafts

Augment commit_graph_compatible(r) to return false when the given
repository r has commit grafts or is a shallow clone. Test that in these
situations we ignore existing commit-graph files and we do not write new
commit-graph files.

Helped-by: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Derrick Stolee
2018-08-20 18:24:30 +00:00
committed by Junio C Hamano
parent d6538246d3
commit 20fd6d5799
4 changed files with 46 additions and 1 deletions

View File

@ -202,6 +202,7 @@ typedef int (*each_commit_graft_fn)(const struct commit_graft *, void *);
struct commit_graft *read_graft_line(struct strbuf *line);
int register_commit_graft(struct repository *r, struct commit_graft *, int);
void prepare_commit_graft(struct repository *r);
struct commit_graft *lookup_commit_graft(struct repository *r, const struct object_id *oid);
extern struct commit_list *get_merge_bases(struct commit *rev1, struct commit *rev2);