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submodule: use strvec_pushf() for --super-prefix

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absorb_git_dir_into_superproject() uses a strbuf and strvec_pushl() to
build and add the --super-prefix option and its argument.  Use a single
strvec_pushf() call to add the stuck form instead, which reduces the
code size and avoids a strbuf allocation and release.  The same is
already done in submodule_reset_index() and submodule_move_head().

Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe 2022-10-23 08:47:35 +02:00 committed by Junio C Hamano
parent d5b41391a4
commit cdc3db33ce
1 changed files with 3 additions and 9 deletions
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12
submodule.c
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@ -2361,26 +2361,20 @@ void absorb_git_dir_into_superproject(const char *path,
if (flags & ABSORB_GITDIR_RECURSE_SUBMODULES) {
struct child_process cp = CHILD_PROCESS_INIT;
struct strbuf sb = STRBUF_INIT;
if (flags & ~ABSORB_GITDIR_RECURSE_SUBMODULES)
BUG("we don't know how to pass the flags down?");
strbuf_addstr(&sb, get_super_prefix_or_empty());
strbuf_addstr(&sb, path);
strbuf_addch(&sb, '/');
cp.dir = path;
cp.git_cmd = 1;
cp.no_stdin = 1;
strvec_pushl(&cp.args, "--super-prefix", sb.buf,
"submodule--helper",
strvec_pushf(&cp.args, "--super-prefix=%s%s/",
get_super_prefix_or_empty(), path);
strvec_pushl(&cp.args, "submodule--helper",
"absorbgitdirs", NULL);
prepare_submodule_repo_env(&cp.env);
if (run_command(&cp))
die(_("could not recurse into submodule '%s'"), path);
strbuf_release(&sb);
}
}