The "git show" invocation added in 66335298a47 (rebase: add --show-current-patch, 2018-02-11) is one where we're not calling oid_to_hex() twice. So we can rely on the static buffer that oid_to_hex() points to, rather than xstrdup()-ing it. As a result we can use the run_command_l_opt() function. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@xxxxxxxxx> --- builtin/am.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) diff --git a/builtin/am.c b/builtin/am.c index 39fea248330..1d298a91306 100644 --- a/builtin/am.c +++ b/builtin/am.c @@ -2186,16 +2186,10 @@ static int show_patch(struct am_state *state, enum show_patch_type sub_mode) const char *patch_path; int len; - if (!is_null_oid(&state->orig_commit)) { - const char *av[4] = { "show", NULL, "--", NULL }; - char *new_oid_str; - int ret; - - av[1] = new_oid_str = xstrdup(oid_to_hex(&state->orig_commit)); - ret = run_command_v_opt(av, RUN_GIT_CMD); - free(new_oid_str); - return ret; - } + if (!is_null_oid(&state->orig_commit)) + return run_command_l_opt(RUN_GIT_CMD, "show", + oid_to_hex(&state->orig_commit), + "--", NULL); switch (sub_mode) { case SHOW_PATCH_RAW: -- 2.38.0.1091.gf9d18265e59