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v0.7.0
Revision 9cb90b80fc1ec09d8e51451b18a7c8ef7eac8908 authored by Rene Scharfe on 08 October 2006, 13:44:50 UTC, committed by Junio C Hamano on 08 October 2006, 19:43:07 UTC 
git-tar-tree: don't RUN_SETUP
 
Noted by Jiri Slaby, git-tar-tree --remote doesn't need to be run
from inside of a git archive.  Since git-tar-tree is now only a
wrapper for git-archive, which calls setup_git_directory() as
needed, we should drop the flag RUN_SETUP.

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <junkio@cox.net>
1 parent 7a0cf2d
Raw File
run-command.c 
#include "cache.h"
#include "run-command.h"
#include <sys/wait.h>
#include "exec_cmd.h"

int run_command_v_opt(int argc, const char **argv, int flags)
{
	pid_t pid = fork();

	if (pid < 0)
		return -ERR_RUN_COMMAND_FORK;
	if (!pid) {
		if (flags & RUN_COMMAND_NO_STDIO) {
			int fd = open("/dev/null", O_RDWR);
			dup2(fd, 0);
			dup2(fd, 1);
			close(fd);
		}
		if (flags & RUN_GIT_CMD) {
			execv_git_cmd(argv);
		} else {
			execvp(argv[0], (char *const*) argv);
		}
		die("exec %s failed.", argv[0]);
	}
	for (;;) {
		int status, code;
		pid_t waiting = waitpid(pid, &status, 0);

		if (waiting < 0) {
			if (errno == EINTR)
				continue;
			error("waitpid failed (%s)", strerror(errno));
			return -ERR_RUN_COMMAND_WAITPID;
		}
		if (waiting != pid)
			return -ERR_RUN_COMMAND_WAITPID_WRONG_PID;
		if (WIFSIGNALED(status))
			return -ERR_RUN_COMMAND_WAITPID_SIGNAL;

		if (!WIFEXITED(status))
			return -ERR_RUN_COMMAND_WAITPID_NOEXIT;
		code = WEXITSTATUS(status);
		if (code)
			return -code;
		return 0;
	}
}

int run_command_v(int argc, const char **argv)
{
	return run_command_v_opt(argc, argv, 0);
}

int run_command(const char *cmd, ...)
{
	int argc;
	const char *argv[MAX_RUN_COMMAND_ARGS];
	const char *arg;
	va_list param;

	va_start(param, cmd);
	argv[0] = (char*) cmd;
	argc = 1;
	while (argc < MAX_RUN_COMMAND_ARGS) {
		arg = argv[argc++] = va_arg(param, char *);
		if (!arg)
			break;
	}
	va_end(param);
	if (MAX_RUN_COMMAND_ARGS <= argc)
		return error("too many args to run %s", cmd);
	return run_command_v_opt(argc, argv, 0);
}
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