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authorAlex Riesen <raa.lkml@gmail.com>2007-05-22 23:48:23 +0200
committerJunio C Hamano <junkio@cox.net>2007-05-23 22:38:44 -0700
commit1568fea01eb25a293f8dae570a31ca34d41b5442 (patch)
tree9155915d612621b41c4a1869881846feea94711a /run-command.c
parent98ee8187e4e331716be0797169ba9ddbb26efe56 (diff)
downloadgit-1568fea01eb25a293f8dae570a31ca34d41b5442.tar.gz
git-1568fea01eb25a293f8dae570a31ca34d41b5442.tar.xz
Add run_command_v_opt_cd: chdir into a directory before exec
It can make code simplier (no need to preserve cwd) and safer (no chance the cwd of the current process is accidentally forgotten). Signed-off-by: Alex Riesen <raa.lkml@gmail.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
Diffstat (limited to 'run-command.c')
-rw-r--r--run-command.c27
1 files changed, 22 insertions, 5 deletions
diff --git a/run-command.c b/run-command.c
index eff523e19..043b5701a 100644
--- a/run-command.c
+++ b/run-command.c
@@ -73,6 +73,9 @@ int start_command(struct child_process *cmd)
close(cmd->out);
}
+ if (cmd->dir && chdir(cmd->dir))
+ die("exec %s: cd to %s failed (%s)", cmd->argv[0],
+ cmd->dir, strerror(errno));
if (cmd->git_cmd) {
execv_git_cmd(cmd->argv);
} else {
@@ -133,13 +136,27 @@ int run_command(struct child_process *cmd)
return finish_command(cmd);
}
+static void prepare_run_command_v_opt(struct child_process *cmd,
+ const char **argv, int opt)
+{
+ memset(cmd, 0, sizeof(*cmd));
+ cmd->argv = argv;
+ cmd->no_stdin = opt & RUN_COMMAND_NO_STDIN ? 1 : 0;
+ cmd->git_cmd = opt & RUN_GIT_CMD ? 1 : 0;
+ cmd->stdout_to_stderr = opt & RUN_COMMAND_STDOUT_TO_STDERR ? 1 : 0;
+}
+
int run_command_v_opt(const char **argv, int opt)
{
struct child_process cmd;
- memset(&cmd, 0, sizeof(cmd));
- cmd.argv = argv;
- cmd.no_stdin = opt & RUN_COMMAND_NO_STDIN ? 1 : 0;
- cmd.git_cmd = opt & RUN_GIT_CMD ? 1 : 0;
- cmd.stdout_to_stderr = opt & RUN_COMMAND_STDOUT_TO_STDERR ? 1 : 0;
+ prepare_run_command_v_opt(&cmd, argv, opt);
+ return run_command(&cmd);
+}
+
+int run_command_v_opt_cd(const char **argv, int opt, const char *dir)
+{
+ struct child_process cmd;
+ prepare_run_command_v_opt(&cmd, argv, opt);
+ cmd.dir = dir;
return run_command(&cmd);
}