builtin/gc: move pruning of worktrees into a separate function

In a subsequent commit we will introduce a new "worktree-prune" task for git-maintenance(1). To prepare for this, refactor the code that spawns `git worktree prune` into a separate function. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Patrick Steinhardt committed May 7, 2025 at 09:21 UTC ae76c1c99089903ce2b786a42a7e5598a7be5c5c
1 file changed +15 -10
builtin/gc.c
+15 -10
@@ -333,6 +333,18 @@ static int maintenance_task_reflog_expire(struct maintenance_run_opts *opts UNUS
333 return run_command(&cmd);
334 }
335
336 +static int maintenance_task_worktree_prune(struct maintenance_run_opts *opts UNUSED,
337 + struct gc_config *cfg)
338 +{
339 + struct child_process prune_worktrees_cmd = CHILD_PROCESS_INIT;
340 +
341 + prune_worktrees_cmd.git_cmd = 1;
342 + strvec_pushl(&prune_worktrees_cmd.args, "worktree", "prune", "--expire", NULL);
343 + strvec_push(&prune_worktrees_cmd.args, cfg->prune_worktrees_expire);
344 +
345 + return run_command(&prune_worktrees_cmd);
346 +}
347 +
348 static int too_many_loose_objects(struct gc_config *cfg)
349 {
350 /*
@@ -913,16 +925,9 @@ int cmd_gc(int argc,
925 }
926 }
927
916 - if (cfg.prune_worktrees_expire) {
917 - struct child_process prune_worktrees_cmd = CHILD_PROCESS_INIT;
918 -
919 - prune_worktrees_cmd.git_cmd = 1;
920 - strvec_pushl(&prune_worktrees_cmd.args, "worktree", "prune", "--expire", NULL);
921 - strvec_push(&prune_worktrees_cmd.args, cfg.prune_worktrees_expire);
922 -
923 - if (run_command(&prune_worktrees_cmd))
924 - die(FAILED_RUN, prune_worktrees_cmd.args.v[0]);
925 - }
928 + if (cfg.prune_worktrees_expire &&
929 + maintenance_task_worktree_prune(&opts, &cfg))
930 + die(FAILED_RUN, "worktree");
931
932 rerere_cmd.git_cmd = 1;
933 strvec_pushl(&rerere_cmd.args, "rerere", "gc", NULL);