diff options
| -rw-r--r-- | revision.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/revision.c b/revision.c index b963f2adfd..1cf6276ad8 100644 --- a/revision.c +++ b/revision.c @@ -280,7 +280,7 @@ int rev_same_tree_as_empty(struct rev_info *revs, struct tree *t1) static void try_to_simplify_commit(struct rev_info *revs, struct commit *commit) { struct commit_list **pp, *parent; - int tree_changed = 0; + int tree_changed = 0, tree_same = 0; if (!commit->tree) return; @@ -298,6 +298,7 @@ static void try_to_simplify_commit(struct rev_info *revs, struct commit *commit) parse_commit(p); switch (rev_compare_tree(revs, p->tree, commit->tree)) { case REV_TREE_SAME: + tree_same = 1; if (!revs->simplify_history || (p->object.flags & UNINTERESTING)) { /* Even if a merge with an uninteresting * side branch brought the entire change @@ -334,7 +335,7 @@ static void try_to_simplify_commit(struct rev_info *revs, struct commit *commit) } die("bad tree compare for commit %s", sha1_to_hex(commit->object.sha1)); } - if (tree_changed) + if (tree_changed && !tree_same) commit->object.flags |= TREECHANGE; } @@ -896,6 +897,8 @@ static int rewrite_one(struct rev_info *revs, struct commit **pp) struct commit *p = *pp; if (!revs->limited) add_parents_to_list(revs, p, &revs->commits); + if (p->parents && p->parents->next) + return 0; if (p->object.flags & (TREECHANGE | UNINTERESTING)) return 0; if (!p->parents) @@ -988,8 +991,15 @@ struct commit *get_revision(struct rev_info *revs) commit->parents && commit->parents->next) continue; if (revs->prune_fn && revs->dense) { - if (!(commit->object.flags & TREECHANGE)) - continue; + /* Commit without changes? */ + if (!(commit->object.flags & TREECHANGE)) { + /* drop merges unless we want parenthood */ + if (!revs->parents) + continue; + /* non-merge - always ignore it */ + if (commit->parents && !commit->parents->next) + continue; + } if (revs->parents) rewrite_parents(revs, commit); } |