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wt-status: use argv_array for environment 

Instead of using a PATH_MAX buffer, use argv_array for constructing the
environment for git submodule summary.  This simplifies the code a bit
and removes the arbitrary length limit.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
maint
René Scharfe 2014-06-29 22:47:00 +02:00 committed by Junio C Hamano
parent 341e7e8eda
commit 85dd6bf491
1 changed files with 4 additions and 5 deletions
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9
wt-status.c
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@ -735,8 +735,7 @@ static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitt
{
struct child_process sm_summary;
char summary_limit[64];
char index[PATH_MAX];
const char *env[] = { NULL, NULL };
struct argv_array env = ARGV_ARRAY_INIT;
struct argv_array argv = ARGV_ARRAY_INIT;
struct strbuf cmd_stdout = STRBUF_INIT;
struct strbuf summary = STRBUF_INIT;
@ -744,9 +743,8 @@ static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitt
size_t len;

sprintf(summary_limit, "%d", s->submodule_summary);
snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", s->index_file);
argv_array_pushf(&env, "GIT_INDEX_FILE=%s", s->index_file);

env[0] = index;
argv_array_push(&argv, "submodule");
argv_array_push(&argv, "summary");
argv_array_push(&argv, uncommitted ? "--files" : "--cached");
@ -758,13 +756,14 @@ static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitt

memset(&sm_summary, 0, sizeof(sm_summary));
sm_summary.argv = argv.argv;
sm_summary.env = env;
sm_summary.env = env.argv;
sm_summary.git_cmd = 1;
sm_summary.no_stdin = 1;
fflush(s->fp);
sm_summary.out = -1;

run_command(&sm_summary);
argv_array_clear(&env);
argv_array_clear(&argv);

len = strbuf_read(&cmd_stdout, sm_summary.out, 1024);