@@ -10,7 +10,7 @@ static char const * const builtin_commit_graph_usage[] = {
N_("git commit-graph [--object-dir <objdir>]"),
N_("git commit-graph read [--object-dir <objdir>]"),
N_("git commit-graph verify [--object-dir <objdir>]"),
- N_("git commit-graph write [--object-dir <objdir>] [--append] [--reachable|--stdin-packs|--stdin-commits]"),
+ N_("git commit-graph write [--object-dir <objdir>] [--append|--split] [--reachable|--stdin-packs|--stdin-commits]"),
NULL
};
@@ -25,7 +25,7 @@ static const char * const builtin_commit_graph_read_usage[] = {
};
static const char * const builtin_commit_graph_write_usage[] = {
- N_("git commit-graph write [--object-dir <objdir>] [--append] [--reachable|--stdin-packs|--stdin-commits]"),
+ N_("git commit-graph write [--object-dir <objdir>] [--append|--split] [--reachable|--stdin-packs|--stdin-commits]"),
NULL
};
@@ -35,9 +35,9 @@ static struct opts_commit_graph {
int stdin_packs;
int stdin_commits;
int append;
+ int split;
} opts;
-
static int graph_verify(int argc, const char **argv)
{
struct commit_graph *graph = NULL;
@@ -156,6 +156,8 @@ static int graph_write(int argc, const char **argv)
N_("start walk at commits listed by stdin")),
OPT_BOOL(0, "append", &opts.append,
N_("include all commits already in the commit-graph file")),
+ OPT_BOOL(0, "split", &opts.split,
+ N_("allow writing an incremental commit-graph file")),
OPT_END(),
};
@@ -169,6 +171,8 @@ static int graph_write(int argc, const char **argv)
opts.obj_dir = get_object_directory();
if (opts.append)
flags |= COMMIT_GRAPH_APPEND;
+ if (opts.split)
+ flags |= COMMIT_GRAPH_SPLIT;
read_replace_refs = 0;
@@ -260,6 +260,32 @@ test_expect_success 'check that gc computes commit-graph' '
test_cmp_bin commit-graph-after-gc $objdir/info/commit-graph
'
+test_expect_success 'write split commit-graph' '
+ cd "$TRASH_DIRECTORY" &&
+ git clone full split &&
+ cd split &&
+ git config core.commitGraph true &&
+ for i in $(test_seq 1 20); do
+ test_commit padding-$i
+ done &&
+ git commit-graph write --reachable &&
+ test_commit split-commit &&
+ git branch -f split-commit &&
+ git commit-graph write --reachable --split &&
+ test_path_is_file .git/objects/info/commit-graphs/commit-graph-1
+'
+
+graph_git_behavior 'split graph, split-commit vs merge 1' bare split-commit merge/1
+
+test_expect_success 'collapse split commit-graph' '
+ cd "$TRASH_DIRECTORY/split" &&
+ git commit-graph write --reachable &&
+ test_path_is_missing .git/objects/info/commit-graphs/commit-graph-1 &&
+ test_path_is_file .git/objects/info/commit-graph
+'
+
+graph_git_behavior 'collapsed graph, split-commit vs merge 1' bare split-commit merge/1
+
test_expect_success 'replace-objects invalidates commit-graph' '
cd "$TRASH_DIRECTORY" &&
test_when_finished rm -rf replace &&