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authorTaylor Blau <me@ttaylorr.com>2024-08-15 13:31:17 -0400
committerJunio C Hamano <gitster@pobox.com>2024-08-15 11:29:15 -0700
commit25b78668de62ac2f503ee5957e174474bd51ae6c (patch)
treea22ab1b81e3e6f088695ce266c5e0b791e9699c2 /pseudo-merge.c
parentt/t5333-pseudo-merge-bitmaps.sh: demonstrate empty pseudo-merge groups (diff)
downloadgit-25b78668de62ac2f503ee5957e174474bd51ae6c.tar.gz
git-25b78668de62ac2f503ee5957e174474bd51ae6c.zip
pseudo-merge.c: do not generate empty pseudo-merge commits
The previous commit demonstrated it is possible to generate empty pseudo-merge commits, which is not useful as such pseudo-merges carry no information. Ensure that we only generate non-empty groups by not pushing a new commit onto the bitmap_writer when that commit has no parents. Signed-off-by: Taylor Blau <me@ttaylorr.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'pseudo-merge.c')
-rw-r--r--pseudo-merge.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/pseudo-merge.c b/pseudo-merge.c
index f0fde13c47..6422be979c 100644
--- a/pseudo-merge.c
+++ b/pseudo-merge.c
@@ -357,8 +357,10 @@ static void select_pseudo_merges_1(struct bitmap_writer *writer,
p = commit_list_append(c, p);
} while (j % group->stable_size);
- bitmap_writer_push_commit(writer, merge, 1);
- writer->pseudo_merges_nr++;
+ if (merge->parents) {
+ bitmap_writer_push_commit(writer, merge, 1);
+ writer->pseudo_merges_nr++;
+ }
}
/* make up to group->max_merges pseudo merges for unstable commits */
@@ -398,8 +400,9 @@ static void select_pseudo_merges_1(struct bitmap_writer *writer,
p = commit_list_append(c, p);
}
- bitmap_writer_push_commit(writer, merge, 1);
- writer->pseudo_merges_nr++;
+ if (merge->parents) {
+ bitmap_writer_push_commit(writer, merge, 1);
+ writer->pseudo_merges_nr++; }
if (end >= matches->unstable_nr)
break;
}