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use child_process members "args" and "env" directly

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Build argument list and environment of child processes by using
struct child_process and populating its members "args" and "env"
directly instead of maintaining separate strvecs and letting
run_command_v_opt() and friends populate these members.  This is
simpler, shorter and slightly more efficient.

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 12:51:14 +01:00
committed by Taylor Blau
parent 4120294cbf
commit 0e90673957
13 changed files with 185 additions and 206 deletions
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15
git.c
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@ -787,7 +787,7 @@ static int run_argv(int *argcp, const char ***argv)
if (!done_alias)
handle_builtin(*argcp, *argv);
else if (get_builtin(**argv)) {
struct strvec args = STRVEC_INIT;
struct child_process cmd = CHILD_PROCESS_INIT;
int i;
/*
@ -804,18 +804,21 @@ static int run_argv(int *argcp, const char ***argv)
commit_pager_choice();
strvec_push(&args, "git");
strvec_push(&cmd.args, "git");
for (i = 0; i < *argcp; i++)
strvec_push(&args, (*argv)[i]);
strvec_push(&cmd.args, (*argv)[i]);
trace_argv_printf(args.v, "trace: exec:");
trace_argv_printf(cmd.args.v, "trace: exec:");
/*
* if we fail because the command is not found, it is
* OK to return. Otherwise, we just pass along the status code.
*/
i = run_command_v_opt_tr2(args.v, RUN_SILENT_EXEC_FAILURE |
RUN_CLEAN_ON_EXIT | RUN_WAIT_AFTER_CLEAN, "git_alias");
cmd.silent_exec_failure = 1;
cmd.clean_on_exit = 1;
cmd.wait_after_clean = 1;
cmd.trace2_child_class = "git_alias";
i = run_command(&cmd);
if (i >= 0 || errno != ENOENT)
exit(i);
die("could not execute builtin %s", **argv);