diff options
Diffstat (limited to 'replay.c')
| -rw-r--r-- | replay.c | 27 |
1 files changed, 17 insertions, 10 deletions
@@ -254,7 +254,10 @@ static struct commit *mapped_commit(kh_oid_map_t *replayed_commits, struct commit *commit, struct commit *fallback) { - khint_t pos = kh_get_oid_map(replayed_commits, commit->object.oid); + khint_t pos; + if (!commit) + return fallback; + pos = kh_get_oid_map(replayed_commits, commit->object.oid); if (pos == kh_end(replayed_commits)) return fallback; return kh_value(replayed_commits, pos); @@ -271,18 +274,26 @@ static struct commit *pick_regular_commit(struct repository *repo, struct commit *base, *replayed_base; struct tree *pickme_tree, *base_tree, *replayed_base_tree; - base = pickme->parents->item; - replayed_base = mapped_commit(replayed_commits, base, onto); + if (pickme->parents) { + base = pickme->parents->item; + base_tree = repo_get_commit_tree(repo, base); + } else { + base = NULL; + base_tree = lookup_tree(repo, repo->hash_algo->empty_tree); + } + replayed_base = mapped_commit(replayed_commits, base, onto); replayed_base_tree = repo_get_commit_tree(repo, replayed_base); pickme_tree = repo_get_commit_tree(repo, pickme); - base_tree = repo_get_commit_tree(repo, base); if (mode == REPLAY_MODE_PICK) { /* Cherry-pick: normal order */ merge_opt->branch1 = short_commit_name(repo, replayed_base); merge_opt->branch2 = short_commit_name(repo, pickme); - merge_opt->ancestor = xstrfmt("parent of %s", merge_opt->branch2); + if (pickme->parents) + merge_opt->ancestor = xstrfmt("parent of %s", merge_opt->branch2); + else + merge_opt->ancestor = xstrdup("empty tree"); merge_incore_nonrecursive(merge_opt, base_tree, @@ -364,8 +375,6 @@ int replay_revisions(struct rev_info *revs, set_up_replay_mode(revs->repo, &revs->cmdline, opts->onto, &detached_head, &advance, &revert, &onto, &update_refs); - /* FIXME: Should allow replaying commits with the first as a root commit */ - if (prepare_revision_walk(revs) < 0) { ret = error(_("error preparing revisions")); goto out; @@ -380,9 +389,7 @@ int replay_revisions(struct rev_info *revs, khint_t pos; int hr; - if (!commit->parents) - die(_("replaying down from root commit is not supported yet!")); - if (commit->parents->next) + if (commit->parents && commit->parents->next) die(_("replaying merge commits is not supported yet!")); last_commit = pick_regular_commit(revs->repo, commit, replayed_commits, |