commit-graph: expire commit-graph files

diff --git a/builtin/commit-graph.c b/builtin/commit-graph.c
index d8efa5bab276a816bef48e9cb3891ccc0cb81aad..ff8bc3c8b9e01760abcb45bbc9ddbfeada866ace 100644 (file)
--- a/builtin/commit-graph.c
+++ b/builtin/commit-graph.c
@@ -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;