git-compat-util.h: add missing semicolon after struct itimerval
[gitweb.git] / run-command.c
index 3914d9c5117f29651b56772da143f0a226494a62..35a3ebf07b1792ac7b0ecef30781223591413093 100644 (file)
@@ -279,6 +279,9 @@ int start_command(struct child_process *cmd)
        int failed_errno;
        char *str;
 
+       if (!cmd->argv)
+               cmd->argv = cmd->args.argv;
+
        /*
         * In case of errors we must keep the promise to close FDs
         * that have been passed in via ->in and ->out.
@@ -328,6 +331,7 @@ int start_command(struct child_process *cmd)
 fail_pipe:
                        error("cannot create %s pipe for %s: %s",
                                str, cmd->argv[0], strerror(failed_errno));
+                       argv_array_clear(&cmd->args);
                        errno = failed_errno;
                        return -1;
                }
@@ -450,7 +454,6 @@ int start_command(struct child_process *cmd)
 {
        int fhin = 0, fhout = 1, fherr = 2;
        const char **sargv = cmd->argv;
-       char **env = environ;
 
        if (cmd->no_stdin)
                fhin = open("/dev/null", O_RDWR);
@@ -475,24 +478,19 @@ int start_command(struct child_process *cmd)
        else if (cmd->out > 1)
                fhout = dup(cmd->out);
 
-       if (cmd->env)
-               env = make_augmented_environ(cmd->env);
-
        if (cmd->git_cmd)
                cmd->argv = prepare_git_cmd(cmd->argv);
        else if (cmd->use_shell)
                cmd->argv = prepare_shell_cmd(cmd->argv);
 
-       cmd->pid = mingw_spawnvpe(cmd->argv[0], cmd->argv, env, cmd->dir,
-                                 fhin, fhout, fherr);
+       cmd->pid = mingw_spawnvpe(cmd->argv[0], cmd->argv, (char**) cmd->env,
+                       cmd->dir, fhin, fhout, fherr);
        failed_errno = errno;
        if (cmd->pid < 0 && (!cmd->silent_exec_failure || errno != ENOENT))
                error("cannot spawn %s: %s", cmd->argv[0], strerror(errno));
        if (cmd->clean_on_exit && cmd->pid >= 0)
                mark_child_for_cleanup(cmd->pid);
 
-       if (cmd->env)
-               free_environ(env);
        if (cmd->git_cmd)
                free(cmd->argv);
 
@@ -519,6 +517,7 @@ int start_command(struct child_process *cmd)
                        close_pair(fderr);
                else if (cmd->err)
                        close(cmd->err);
+               argv_array_clear(&cmd->args);
                errno = failed_errno;
                return -1;
        }
@@ -543,7 +542,9 @@ int start_command(struct child_process *cmd)
 
 int finish_command(struct child_process *cmd)
 {
-       return wait_or_whine(cmd->pid, cmd->argv[0]);
+       int ret = wait_or_whine(cmd->pid, cmd->argv[0]);
+       argv_array_clear(&cmd->args);
+       return ret;
 }
 
 int run_command(struct child_process *cmd)
@@ -760,38 +761,51 @@ char *find_hook(const char *name)
        return path;
 }
 
-int run_hook(const char *index_file, const char *name, ...)
+int run_hook_ve(const char *const *env, const char *name, va_list args)
 {
        struct child_process hook;
-       struct argv_array argv = ARGV_ARRAY_INIT;
-       const char *p, *env[2];
-       char index[PATH_MAX];
-       va_list args;
-       int ret;
+       const char *p;
 
        p = find_hook(name);
        if (!p)
                return 0;
 
-       argv_array_push(&argv, p);
+       memset(&hook, 0, sizeof(hook));
+       argv_array_push(&hook.args, p);
+       while ((p = va_arg(args, const char *)))
+               argv_array_push(&hook.args, p);
+       hook.env = env;
+       hook.no_stdin = 1;
+       hook.stdout_to_stderr = 1;
+
+       return run_command(&hook);
+}
+
+int run_hook_le(const char *const *env, const char *name, ...)
+{
+       va_list args;
+       int ret;
 
        va_start(args, name);
-       while ((p = va_arg(args, const char *)))
-               argv_array_push(&argv, p);
+       ret = run_hook_ve(env, name, args);
        va_end(args);
 
-       memset(&hook, 0, sizeof(hook));
-       hook.argv = argv.argv;
-       hook.no_stdin = 1;
-       hook.stdout_to_stderr = 1;
-       if (index_file) {
-               snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file);
-               env[0] = index;
-               env[1] = NULL;
-               hook.env = env;
-       }
+       return ret;
+}
+
+int run_hook_with_custom_index(const char *index_file, const char *name, ...)
+{
+       const char *hook_env[3] =  { NULL };
+       char index[PATH_MAX];
+       va_list args;
+       int ret;
+
+       snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file);
+       hook_env[0] = index;
+
+       va_start(args, name);
+       ret = run_hook_ve(hook_env, name, args);
+       va_end(args);
 
-       ret = run_command(&hook);
-       argv_array_clear(&argv);
        return ret;
 }