2 files changed, 9 insertions, 3 deletions
diff --git a/ChangeLog b/ChangeLog
index 4cb7af7a71..aac5f12899 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Thu Jun 14 22:10:50 2012  Tanaka Akira  <akr@fsij.org>
+
+	* process.c (proc_exec_sh): don't strip leading spaces of the script.
+
 Thu Jun 14 15:54:02 2012  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* file.c (rb_file_s_basename, rb_file_s_dirname): documentaion fix.
diff --git a/process.c b/process.c
index b4e2b7c94c..41206e180a 100644
--- a/process.c
+++ b/process.c
@@ -1205,11 +1205,13 @@ proc_exec_sh(const char *str, VALUE envp_str)
     rb_notimplement();
     UNREACHABLE;
 #else
+    const char *s;
 
-    while (*str == ' ' || *str == '\t' || *str == '\n')
-	str++;
+    s = str;
+    while (*s == ' ' || *s == '\t' || *s == '\n')
+	s++;
 
-    if (!*str) {
+    if (!*s) {
         errno = ENOENT;
         return -1;
     }