preseed: script to generate a new preseed image.

debian-preseed/build.sh

+#!/bin/bash
+
+DEBIANVERSION=7.4.0
+ISONAME=debian-$DEBIANVERSION-amd64-netinst.iso
+
+set -e 
+
+if [ ! -f $ISONAME ]; then
+  wget http://cdimage.debian.org/debian-cd/$DEBIANVERSION/amd64/iso-cd/$ISONAME
+fi
+
+mkdir -p loopdir
+mount -o loop $ISONAME loopdir
+#rm -rf cd
+#mkdir cd
+rsync -a -H --exclude=TRANS.TBL loopdir/ cd
+umount loopdir
+
+mkdir irmod
+cd irmod
+# This path to install.amd can variate
+INITRD_PATH=../cd/install.amd/initrd.gz
+gzip -d < $INITRD_PATH | cpio --extract --verbose --make-directories --no-absolute-filenames
+cp ../preseed.cfg preseed.cfg
+find . | cpio -H newc --create --verbose | gzip -9 > $INITRD_PATH
+cd ../
+rm -fr irmod/
+
+cd cd
+md5sum `find -follow -type f` > md5sum.txt
+cd ..
+
+rm -rf $ISONAME.patched
+genisoimage -o $ISONAME.patched -r -J -no-emul-boot -boot-load-size 4 -boot-info-table -b isolinux/isolinux.bin -c isolinux/boot.cat ./cd
+
+isohybrid $ISONAME.patched