From e36215f2be80fccf2158f09279f2ea4d8242da31 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Thu, 23 Oct 2014 00:05:57 -0400
Subject: [PATCH] git-rewrite-authors: use plain shell to speed up

---
 .bin/git-rewrite-authors | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/.bin/git-rewrite-authors b/.bin/git-rewrite-authors
index e5d4b08..e136e59 100755
--- a/.bin/git-rewrite-authors
+++ b/.bin/git-rewrite-authors
@@ -1,6 +1,7 @@
-#!/bin/bash
+#!/bin/sh
 
-tmp=$(mktemp)
+tmp=$(mktemp -t "${0##*/}.XXXXXX")
+trap "rm -rf '${tmp}'" EXIT
 cat << \EOF > ${tmp}
 decode() {
 	awk -vid="$1" -vtype="$2" '$1 == id {
@@ -9,18 +10,20 @@ decode() {
 		email = a[2];
 		print "export GIT_"type"_NAME='\''" name "'\'';"
 		print "export GIT_"type"_EMAIL='\''" email "'\'';"
-	}' ${author_file}
+	}' "${author_file}"
 }
 EOF
 
 for x in cvs-authors authors ; do
-	export author_file=${PWD}/.git/$x
-	[ -e ${author_file} ] && break
+	export author_file="${PWD}/.git/${x}"
+	[ -e "${author_file}" ] && break
+	if [ -L "${author_file}" ] ; then
+		echo "error: ${author_file} is a broken link"
+		exit 1
+	fi
 done
 git filter-branch \
 	--env-filter ". ${tmp};"' \
 		eval `decode "${GIT_AUTHOR_NAME}" AUTHOR`; \
 		eval `decode "${GIT_COMMITTER_NAME}" COMMITTER`; \
 ' "$@"
-
-rm -f $tmp
-- 
2.39.5