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-rw-r--r--commit-graph.c6
-rw-r--r--commit.c2
-rw-r--r--commit.h1
-rwxr-xr-xt/t5318-commit-graph.sh38
4 files changed, 46 insertions, 1 deletions
diff --git a/commit-graph.c b/commit-graph.c
index 2c01fa433f..c4eaedf4e5 100644
--- a/commit-graph.c
+++ b/commit-graph.c
@@ -68,6 +68,12 @@ static int commit_graph_compatible(struct repository *r)
return 0;
}
+ prepare_commit_graft(r);
+ if (r->parsed_objects && r->parsed_objects->grafts_nr)
+ return 0;
+ if (is_repository_shallow(r))
+ return 0;
+
return 1;
}
diff --git a/commit.c b/commit.c
index 30d1af2b20..ef9a2cbb23 100644
--- a/commit.c
+++ b/commit.c
@@ -209,7 +209,7 @@ static int read_graft_file(struct repository *r, const char *graft_file)
return 0;
}
-static void prepare_commit_graft(struct repository *r)
+void prepare_commit_graft(struct repository *r)
{
char *graft_file;
diff --git a/commit.h b/commit.h
index da0db36eba..5459e279fe 100644
--- a/commit.h
+++ b/commit.h
@@ -202,6 +202,7 @@ typedef int (*each_commit_graft_fn)(const struct commit_graft *, void *);
struct commit_graft *read_graft_line(struct strbuf *line);
int register_commit_graft(struct repository *r, struct commit_graft *, int);
+void prepare_commit_graft(struct repository *r);
struct commit_graft *lookup_commit_graft(struct repository *r, const struct object_id *oid);
extern struct commit_list *get_merge_bases(struct commit *rev1, struct commit *rev2);
diff --git a/t/t5318-commit-graph.sh b/t/t5318-commit-graph.sh
index e0c3c60f66..6aee861f78 100755
--- a/t/t5318-commit-graph.sh
+++ b/t/t5318-commit-graph.sh
@@ -281,6 +281,44 @@ test_expect_success 'replace-objects invalidates commit-graph' '
)
'
+test_expect_success 'commit grafts invalidate commit-graph' '
+ cd "$TRASH_DIRECTORY" &&
+ test_when_finished rm -rf graft &&
+ git clone full graft &&
+ (
+ cd graft &&
+ git commit-graph write --reachable &&
+ test_path_is_file .git/objects/info/commit-graph &&
+ H1=$(git rev-parse --verify HEAD~1) &&
+ H3=$(git rev-parse --verify HEAD~3) &&
+ echo "$H1 $H3" >.git/info/grafts &&
+ git -c core.commitGraph=false log >expect &&
+ git -c core.commitGraph=true log >actual &&
+ test_cmp expect actual &&
+ git commit-graph write --reachable &&
+ git -c core.commitGraph=false --no-replace-objects log >expect &&
+ git -c core.commitGraph=true --no-replace-objects log >actual &&
+ test_cmp expect actual &&
+ rm -rf .git/objects/info/commit-graph &&
+ git commit-graph write --reachable &&
+ test_path_is_missing .git/objects/info/commit-graph
+ )
+'
+
+test_expect_success 'replace-objects invalidates commit-graph' '
+ cd "$TRASH_DIRECTORY" &&
+ test_when_finished rm -rf shallow &&
+ git clone --depth 2 "file://$TRASH_DIRECTORY/full" shallow &&
+ (
+ cd shallow &&
+ git commit-graph write --reachable &&
+ test_path_is_missing .git/objects/info/commit-graph &&
+ git fetch origin --unshallow &&
+ git commit-graph write --reachable &&
+ test_path_is_file .git/objects/info/commit-graph
+ )
+'
+
# the verify tests below expect the commit-graph to contain
# exactly the commits reachable from the commits/8 branch.
# If the file changes the set of commits in the list, then the