From afa1ef98fe940719c7085e93643185c6de94d300 Mon Sep 17 00:00:00 2001
From: Simon Ruderich <simon@ruderich.org>
Date: Sat, 29 Jun 2013 23:09:05 +0200
Subject: [PATCH] Restore environment for execvpe() if the exec fails.

---
 src/coloredstderr.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/coloredstderr.c b/src/coloredstderr.c
index 15581a6..a78fdd9 100644
--- a/src/coloredstderr.c
+++ b/src/coloredstderr.c
@@ -646,10 +646,16 @@ HOOK_FUNC_DEF2(int, execvp, char const *, file, char * const *, argv) {
 #ifdef HAVE_EXECVPE
 extern char **environ;
 int execvpe(char const *file, char * const argv[], char * const envp[]) {
+    int result;
+    char **old_environ = environ;
+
     /* Fake the environment so we can reuse execvp(). */
     environ = (char **)envp;
 
     /* execvp() updates the environment. */
-    return execvp(file, argv);
+    result = execvp(file, argv);
+
+    environ = old_environ;
+    return result;
 }
 #endif
-- 
2.45.2