X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=scripts%2Flive-bottom%2F12fstab;h=d246a5905c34dfa1069b1d494bc36a57b95d0d67;hb=10af87f0f8566c5913d60330fccec6bcc402faea;hp=b5b5602ca9e993d12efa79bee46b8dca68500cf9;hpb=4328832d0d00e2d8f6608ae6db2e8a70a4a8571e;p=live-boot-grml.git

diff --git a/scripts/live-bottom/12fstab b/scripts/live-bottom/12fstab
index b5b5602..d246a59 100755
--- a/scripts/live-bottom/12fstab
+++ b/scripts/live-bottom/12fstab
@@ -5,6 +5,7 @@
 # initramfs-tools header
 
 PREREQ=""
+FSTAB=/root/etc/fstab
 
 prereqs()
 {
@@ -22,17 +23,38 @@ esac
 
 . /scripts/live-functions
 
-log_begin_msg "Configuring fstab..."
+if [ -n "${NOFSTAB}" ]
+then
+	exit 0
+fi
+
+log_begin_msg "Configuring fstab"
 
 # live-initramfs script
 
-FSTAB=/root/etc/fstab
+# Create a fake fstab only if it doesn't exist or if its the debootstrap template
+if [ ! -f "${FSTAB}" ] || grep -qs 'UNCONFIGURED FSTAB FOR BASE SYSTEM' "${FSTAB}"
+then
+
+cat > ${FSTAB} << EOF
+# /etc/fstab: static file system information.
+#
+# <file system> <mount point>   <type>  <options>       <dump>  <pass>
 
-cat >> $FSTAB << EOF
-${UNIONTYPE} / ${UNIONTYPE} rw 0 0
-tmpfs /tmp tmpfs nosuid,nodev 0 0
 EOF
 
+fi
+
+if ! grep -qs  "^${UNIONTYPE}" "${FSTAB}"
+then
+	echo "${UNIONTYPE} / ${UNIONTYPE} rw 0 0" >> "${FSTAB}"
+fi
+
+if ! grep -qs "^tmpfs /tmp" "${FSTAB}"
+then
+	echo "tmpfs /tmp tmpfs nosuid,nodev 0 0" >> "${FSTAB}"
+fi
+
 # disabled for now
 #rm -f /root/etc/rcS.d/S*checkroot.sh