From 175270768e9c4e5d9c74b51f9e6ebdcd9070439f Mon Sep 17 00:00:00 2001
From: Sebastian Pipping <sebastian@pipping.org>
Date: Sun, 8 Apr 2012 21:41:19 +0200
Subject: [PATCH] Reduce code duplication in set_bootloader_grub

---
 gen_bootloader.sh | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/gen_bootloader.sh b/gen_bootloader.sh
index 1debfe9..d14b313 100755
--- a/gen_bootloader.sh
+++ b/gen_bootloader.sh
@@ -33,20 +33,24 @@ set_bootloader_grub_read_device_map() {
 
 set_bootloader_grub2() {
     local GRUB_CONF
-    if [ -e "${BOOTDIR}/grub2/grub.cfg" ]
-    then
-		GRUB_CONF="${BOOTDIR}/grub2/grub.cfg"
-    elif [ -e "${BOOTDIR}/grub/grub.cfg" ]
-    then
-		GRUB_CONF="${BOOTDIR}/grub/grub.cfg"
-    else
+	for candidate in \
+			"${BOOTDIR}/grub2/grub.cfg" \
+			"${BOOTDIR}/grub/grub.cfg" \
+			; do
+		if [[ -e "${candidate}" ]]; then
+			GRUB_CONF=${candidate}
+			break
+		fi
+	done
+
+	if [[ -z "${GRUB_CONF}" ]]; then
 		print_error 1 "Error! Grub2 configuration file does not exist, please ensure grub2 is correctly setup first."
-        	return 0
+		return 0
     fi
 
     print_info 1 "You can customize Grub2 parameters in /etc/defaults/grub."
     print_info 1 "Running grub-mkconfig to create ${GRUB_CONF}..."
-    grub-mkconfig -o ${GRUB_CONF}
+    grub-mkconfig -o "${GRUB_CONF}"
 }
 
 set_bootloader_grub() {
-- 
2.26.2