From: Johannes Schindelin <johannes.schindelin@xxxxxx>
When `gc.writeCommitGraph = true`, it is possible that the commit-graph
is _still_ not written: replace objects, grafts and shallow repositories
are incompatible with the commit-graph feature.
Under such circumstances, we need to indicate to the user why the
commit-graph was not written instead of staying silent about it.
Signed-off-by: Johannes Schindelin <johannes.schindelin@xxxxxx>
---
Be clear why commit-graph was skipped
After repairing my local checkout
[https://github.com/gitgitgadget/git/pull/873], I was puzzled that the
commit-graph file was not written. Turns out that I still had almost a
dozen replace objects. But I only found out that they were blocking the
commit-graph when I stepped through git gc in a debugger. This is my
attempt to make it more straight-forward to recover from similar
situations in the future.
Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-875%2Fdscho%2Fwarn-if-commit-graph-is-skipped-v1
Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-875/dscho/warn-if-commit-graph-is-skipped-v1
Pull-Request: https://github.com/gitgitgadget/git/pull/875
commit-graph.c | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)
diff --git a/commit-graph.c b/commit-graph.c
index 65410602714e..9ad176fa7c8e 100644
--- a/commit-graph.c
+++ b/commit-graph.c
@@ -205,16 +205,24 @@ static int commit_graph_compatible(struct repository *r)
if (read_replace_refs) {
prepare_replace_object(r);
- if (hashmap_get_size(&r->objects->replace_map->map))
+ if (hashmap_get_size(&r->objects->replace_map->map)) {
+ warning(_("repository contains replace objects; "
+ "skipping commit-graph"));
return 0;
+ }
}
prepare_commit_graft(r);
if (r->parsed_objects &&
- (r->parsed_objects->grafts_nr || r->parsed_objects->substituted_parent))
+ (r->parsed_objects->grafts_nr || r->parsed_objects->substituted_parent)) {
+ warning(_("repository contains (deprecated) grafts; "
+ "skipping commit-graph"));
return 0;
- if (is_repository_shallow(r))
+ }
+ if (is_repository_shallow(r)) {
+ warning(_("repository is shallow; skipping commit-graph"));
return 0;
+ }
return 1;
}
base-commit: f9f2520108bab26a750bcbb00518dc27672cf0a2
--
gitgitgadget
