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use child_process member "args" instead of string array variable

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Use run_command() with a struct child_process variable and populate its
"args" member directly instead of building a string array and passing it
to run_command_v_opt().  This avoids the use of magic index numbers and
makes simplifies the possible addition of more arguments in the future.

Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
This commit is contained in:
René Scharfe 2022-10-30 12:50:27 +01:00 committed by Taylor Blau
parent 242aa33de0
commit 4120294cbf
6 changed files with 42 additions and 42 deletions
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17
builtin/difftool.c
View file

@ -360,8 +360,8 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
struct pair_entry *entry;
struct index_state wtindex;
struct checkout lstate, rstate;
int flags = RUN_GIT_CMD, err = 0;
const char *helper_argv[] = { "difftool--helper", NULL, NULL, NULL };
int err = 0;
struct child_process cmd = CHILD_PROCESS_INIT;
struct hashmap wt_modified, tmp_modified;
int indices_loaded = 0;
@ -563,16 +563,17 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
}
strbuf_setlen(&ldir, ldir_len);
helper_argv[1] = ldir.buf;
strbuf_setlen(&rdir, rdir_len);
helper_argv[2] = rdir.buf;
if (extcmd) {
helper_argv[0] = extcmd;
flags = 0;
} else
strvec_push(&cmd.args, extcmd);
} else {
strvec_push(&cmd.args, "difftool--helper");
cmd.git_cmd = 1;
setenv("GIT_DIFFTOOL_DIRDIFF", "true", 1);
ret = run_command_v_opt(helper_argv, flags);
}
strvec_pushl(&cmd.args, ldir.buf, rdir.buf, NULL);
ret = run_command(&cmd);
/* TODO: audit for interaction with sparse-index. */
ensure_full_index(&wtindex);

28
builtin/merge.c
View file

@ -347,33 +347,25 @@ static int save_state(struct object_id *stash)
static void read_empty(const struct object_id *oid)
{
int i = 0;
const char *args[7];
struct child_process cmd = CHILD_PROCESS_INIT;
args[i++] = "read-tree";
args[i++] = "-m";
args[i++] = "-u";
args[i++] = empty_tree_oid_hex();
args[i++] = oid_to_hex(oid);
args[i] = NULL;
strvec_pushl(&cmd.args, "read-tree", "-m", "-u", empty_tree_oid_hex(),
oid_to_hex(oid), NULL);
cmd.git_cmd = 1;
if (run_command_v_opt(args, RUN_GIT_CMD))
if (run_command(&cmd))
die(_("read-tree failed"));
}
static void reset_hard(const struct object_id *oid)
{
int i = 0;
const char *args[6];
struct child_process cmd = CHILD_PROCESS_INIT;
args[i++] = "read-tree";
args[i++] = "-v";
args[i++] = "--reset";
args[i++] = "-u";
args[i++] = oid_to_hex(oid);
args[i] = NULL;
strvec_pushl(&cmd.args, "read-tree", "-v", "--reset", "-u",
oid_to_hex(oid), NULL);
cmd.git_cmd = 1;
if (run_command_v_opt(args, RUN_GIT_CMD))
if (run_command(&cmd))
die(_("read-tree failed"));
}

14
builtin/remote.c
View file

@ -92,13 +92,15 @@ static int verbose;
static int fetch_remote(const char *name)
{
const char *argv[] = { "fetch", name, NULL, NULL };
if (verbose) {
argv[1] = "-v";
argv[2] = name;
}
struct child_process cmd = CHILD_PROCESS_INIT;
strvec_push(&cmd.args, "fetch");
if (verbose)
strvec_push(&cmd.args, "-v");
strvec_push(&cmd.args, name);
cmd.git_cmd = 1;
printf_ln(_("Updating %s"), name);
if (run_command_v_opt(argv, RUN_GIT_CMD))
if (run_command(&cmd))
return error(_("Could not fetch %s"), name);
return 0;
}

11
compat/mingw.c
View file

@ -196,16 +196,19 @@ static int read_yes_no_answer(void)
static int ask_yes_no_if_possible(const char *format, ...)
{
char question[4096];
const char *retry_hook[] = { NULL, NULL, NULL };
const char *retry_hook;
va_list args;
va_start(args, format);
vsnprintf(question, sizeof(question), format, args);
va_end(args);
if ((retry_hook[0] = mingw_getenv("GIT_ASK_YESNO"))) {
retry_hook[1] = question;
return !run_command_v_opt(retry_hook, 0);
retry_hook = mingw_getenv("GIT_ASK_YESNO");
if (retry_hook) {
struct child_process cmd = CHILD_PROCESS_INIT;
strvec_pushl(&cmd.args, retry_hook, question, NULL);
return !run_command(&cmd);
}
if (!isatty(_fileno(stdin)) || !isatty(_fileno(stderr)))

7
ll-merge.c
View file

@ -193,7 +193,7 @@ static enum ll_merge_result ll_ext_merge(const struct ll_merge_driver *fn,
struct strbuf cmd = STRBUF_INIT;
struct strbuf_expand_dict_entry dict[6];
struct strbuf path_sq = STRBUF_INIT;
const char *args[] = { NULL, NULL };
struct child_process child = CHILD_PROCESS_INIT;
int status, fd, i;
struct stat st;
enum ll_merge_result ret;
@ -219,8 +219,9 @@ static enum ll_merge_result ll_ext_merge(const struct ll_merge_driver *fn,
strbuf_expand(&cmd, fn->cmdline, strbuf_expand_dict_cb, &dict);
args[0] = cmd.buf;
status = run_command_v_opt(args, RUN_USING_SHELL);
child.use_shell = 1;
strvec_push(&child.args, cmd.buf);
status = run_command(&child);
fd = open(temp[1], O_RDONLY);
if (fd < 0)
goto bad;

7
t/helper/test-fake-ssh.c
View file

@ -8,7 +8,7 @@ int cmd_main(int argc, const char **argv)
struct strbuf buf = STRBUF_INIT;
FILE *f;
int i;
const char *child_argv[] = { NULL, NULL };
struct child_process cmd = CHILD_PROCESS_INIT;
/* First, print all parameters into $TRASH_DIRECTORY/ssh-output */
if (!trash_directory)
@ -25,6 +25,7 @@ int cmd_main(int argc, const char **argv)
/* Now, evaluate the *last* parameter */
if (argc < 2)
return 0;
child_argv[0] = argv[argc - 1];
return run_command_v_opt(child_argv, RUN_USING_SHELL);
cmd.use_shell = 1;
strvec_push(&cmd.args, argv[argc - 1]);
return run_command(&cmd);
}