git: simplify environment save/restore logic

diff --git a/run-command.c b/run-command.c
index 4d73e90fad159184bfdd204b82dd8637ad28a955..a573ab88d0dc731a89a84a1708d0638bdfa00549 100644 (file)
--- a/run-command.c
+++ b/run-command.c
@@ -200,7 +200,6 @@ static int execv_shell_cmd(const char **argv)
 #endif
 
 #ifndef GIT_WINDOWS_NATIVE
-static int child_err = 2;
 static int child_notifier = -1;
 
 static void notify_parent(void)
@@ -212,17 +211,6 @@ static void notify_parent(void)
         */
        xwrite(child_notifier, "", 1);
 }
-
-static NORETURN void die_child(const char *err, va_list params)
-{
-       vwritef(child_err, "fatal: ", err, params);
-       exit(128);
-}
-
-static void error_child(const char *err, va_list params)
-{
-       vwritef(child_err, "error: ", err, params);
-}
 #endif
 
 static inline void set_cloexec(int fd)
@@ -248,7 +236,7 @@ static int wait_or_whine(pid_t pid, const char *argv0)
                error("waitpid is confused (%s)", argv0);
        } else if (WIFSIGNALED(status)) {
                code = WTERMSIG(status);
-               if (code != SIGINT && code != SIGQUIT)
+               if (code != SIGINT && code != SIGQUIT && code != SIGPIPE)
                        error("%s died of signal %d", argv0, code);
                /*
                 * This return value is chosen so that code & 0xff
@@ -362,11 +350,10 @@ int start_command(struct child_process *cmd)
                 * in subsequent call paths use the parent's stderr.
                 */
                if (cmd->no_stderr || need_err) {
-                       child_err = dup(2);
+                       int child_err = dup(2);
                        set_cloexec(child_err);
+                       set_error_handle(fdopen(child_err, "w"));
                }
-               set_die_routine(die_child);
-               set_error_routine(error_child);
 
                close(notify_pipe[0]);
                set_cloexec(notify_pipe[1]);