X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=run-command.c;h=cfbad74d145145944352c568064cc2f8c0d4c5cb;hb=850844e28f728625ba96b7880a0a264a5578e4c6;hp=8bf5922fc3b30d06ca7336a8df18a12c389c8681;hpb=128aed684d0b3099092b7597c8644599b45b7503;p=git.git

diff --git a/run-command.c b/run-command.c
index 8bf5922fc..cfbad74d1 100644
--- a/run-command.c
+++ b/run-command.c
@@ -1,34 +1,39 @@
 #include "cache.h"
 #include "run-command.h"
-#include <sys/wait.h>
+#include "exec_cmd.h"
 
-int run_command_v_opt(int argc, char **argv, int flags)
+int run_command_v_opt(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) {
+		if (flags & RUN_COMMAND_NO_STDIN) {
 			int fd = open("/dev/null", O_RDWR);
 			dup2(fd, 0);
-			dup2(fd, 1);
-			close(fd);			
+			close(fd);
+		}
+		if (flags & RUN_COMMAND_STDOUT_TO_STDERR)
+			dup2(2, 1);
+		if (flags & RUN_GIT_CMD) {
+			execv_git_cmd(argv);
+		} else {
+			execvp(argv[0], (char *const*) argv);
 		}
-		execvp(argv[0], (char *const*) argv);
 		die("exec %s failed.", argv[0]);
 	}
 	for (;;) {
 		int status, code;
-		int retval = waitpid(pid, &status, 0);
+		pid_t waiting = waitpid(pid, &status, 0);
 
-		if (retval < 0) {
+		if (waiting < 0) {
 			if (errno == EINTR)
 				continue;
-			error("waitpid failed (%s)", strerror(retval));
+			error("waitpid failed (%s)", strerror(errno));
 			return -ERR_RUN_COMMAND_WAITPID;
 		}
-		if (retval != pid)
+		if (waiting != pid)
 			return -ERR_RUN_COMMAND_WAITPID_WRONG_PID;
 		if (WIFSIGNALED(status))
 			return -ERR_RUN_COMMAND_WAITPID_SIGNAL;
@@ -42,19 +47,17 @@ int run_command_v_opt(int argc, char **argv, int flags)
 	}
 }
 
-int run_command_v(int argc, char **argv)
+int run_command_v(const char **argv)
 {
-	return run_command_v_opt(argc, argv, 0);
+	return run_command_v_opt(argv, 0);
 }
 
-int run_command(const char *cmd, ...)
+static int run_command_va_opt(int opt, const char *cmd, va_list param)
 {
 	int argc;
-	char *argv[MAX_RUN_COMMAND_ARGS];
+	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) {
@@ -62,8 +65,29 @@ int run_command(const char *cmd, ...)
 		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);
+	return run_command_v_opt(argv, opt);
+}
+
+int run_command_opt(int opt, const char *cmd, ...)
+{
+	va_list params;
+	int r;
+
+	va_start(params, cmd);
+	r = run_command_va_opt(opt, cmd, params);
+	va_end(params);
+	return r;
+}
+
+int run_command(const char *cmd, ...)
+{
+	va_list params;
+	int r;
+
+	va_start(params, cmd);
+	r = run_command_va_opt(0, cmd, params);
+	va_end(params);
+	return r;
 }