diff options
Diffstat (limited to 'rerere.c')
-rw-r--r-- | rerere.c | 42 |
1 files changed, 25 insertions, 17 deletions
@@ -117,7 +117,9 @@ static struct rerere_dir *find_rerere_dir(const char *hex) static int has_rerere_resolution(const struct rerere_id *id) { - return (id->collection->status & RR_HAS_POSTIMAGE); + const int both = RR_HAS_POSTIMAGE|RR_HAS_PREIMAGE; + + return ((id->collection->status & both) == both); } static struct rerere_id *new_rerere_id_hex(char *hex) @@ -806,24 +808,30 @@ static int do_plain_rerere(struct string_list *rr, int fd) string_list_insert(rr, path)->util = id; /* - * If the directory does not exist, create - * it. mkdir_in_gitdir() will fail with - * EEXIST if there already is one. - * - * NEEDSWORK: make sure "gc" does not remove - * preimage without removing the directory. + * Ensure that the directory exists. + * mkdir_in_gitdir() will fail with EEXIST if there + * already is one. */ - if (mkdir_in_gitdir(rerere_path(id, NULL))) - continue; + if (mkdir_in_gitdir(rerere_path(id, NULL)) && + errno != EEXIST) + continue; /* NEEDSWORK: perhaps we should die? */ - /* - * We are the first to encounter this - * conflict. Ask handle_file() to write the - * normalized contents to the "preimage" file. - */ - handle_file(path, NULL, rerere_path(id, "preimage")); - id->collection->status |= RR_HAS_PREIMAGE; - fprintf(stderr, "Recorded preimage for '%s'\n", path); + if (id->collection->status & RR_HAS_PREIMAGE) { + ; + } else { + /* + * We are the first to encounter this + * conflict. Ask handle_file() to write the + * normalized contents to the "preimage" file. + * + * NEEDSWORK: what should happen if we had a + * leftover postimage that is totally + * unrelated? Perhaps we should unlink it? + */ + handle_file(path, NULL, rerere_path(id, "preimage")); + id->collection->status |= RR_HAS_PREIMAGE; + fprintf(stderr, "Recorded preimage for '%s'\n", path); + } } for (i = 0; i < rr->nr; i++) |