From 6f3be1243d15d3e90e4e3bde7bfc3fa07ebf8a4f Mon Sep 17 00:00:00 2001
From: Ralph Ronnquist <rrq@rrq.au>
Date: Sat, 28 Oct 2023 18:04:04 +1100
Subject: [PATCH] * commenting cleanup * add password-less root login *
 populate the extra partition from directory extra/ if any

---
 mkit.sh | 37 +++++++++++++++++++++++++------------
 1 file changed, 25 insertions(+), 12 deletions(-)

diff --git a/mkit.sh b/mkit.sh
index 728fe33..4012566 100755
--- a/mkit.sh
+++ b/mkit.sh
@@ -9,21 +9,21 @@
 
 set -e
 
-### Step 1. Download original .deb file from the source
+echo '### Step 1. Download original Packages file from the source'
 REPO="deb.devuan.org/merged"
 SUITE="daedalus"
 SECTION="main"
 ARCH="amd64"
-MBR=dos # or dos
+MBR=dos # gpt
 
 PKGFILE=${REPO//\//_}_${SUITE}_${SECTION}_binary-${ARCH}_Packages
 if [ ! -r $PKGFILE ] ; then
-    wget -O - http://$REPO/dists/$SUITE/$SECTION/binary-$ARCH/Packages.xz | \
+    wget -qO - http://$REPO/dists/$SUITE/$SECTION/binary-$ARCH/Packages.xz | \
 	xzcat - > ${PKGFILE}
 fi
 
-# Reduce that Packages file into two maps for finding filename and depends
-echo "# Creating mapdepends.txt and mapfile.txt"
+echo '# Reduce Packages file into two maps for finding filename and depends'
+echo "# ..creating mapdepends.txt and mapfile.txt"
 awk '
 BEGIN { print "###" > "mapdepends.txt"; print "###" > "mapfile.txt"; }
 $1=="Package:" {P=$2; next}
@@ -42,7 +42,7 @@ maplookup() {
 debfile() {
     local F="$(maplookup $1 mapfile.txt)"
     if [ ! -e "${F##*/}" ] ; then
-	wget "http://$REPO/$F" || return 1
+	wget -q "http://$REPO/$F" || return 1
     fi
     echo "${F##*/}"
 }
@@ -54,12 +54,12 @@ debextract() {
 }
 
 # Deteremine which kernel to use; this is
-echo -n "# Determining kernel: "
+echo "# Determine kernel"
 KERNEL="$(maplookup linux-image-amd64 mapdepends.txt | \
 		    sed 's/.*\(linux-image[^ ]*\).*/\1/')"
-echo $KERNEL
+echo "# ... $KERNEL"
 
-### Step 2. Create and populate the initrd, and packit up.
+echo '### Step 2. Create and populate the initrd, and packit up.'
 # The initrd contains only a few kernel modules for coping with a
 # later pivoting onto a "full" filesystem.
 
@@ -132,10 +132,14 @@ rm -f initrd/sbin/init # just in case
 cp init/init initrd/init
 chmod a+x initrd/init
 
+echo "# Declare password-less root"
+mkdir -p initrd/etc
+echo 'root::0:0:root:/root:/bin/bash' > initrd/etc/passwd
+
 echo "# Now pack up that initrd as initrd.gz"
 ( cd initrd ; find . | fakeroot cpio -H newc -o | gzip ) >initrd.gz
 
-### Step 3. create a 32  Mb fat filesystem with bios and UEFI boot
+echo '### Step 3. create a 32  Mb fat filesystem with bios and UEFI boot'
 rm -f bootimage.raw
 dd if=/dev/zero of=bootimage.raw bs=32M count=1
 
@@ -151,9 +155,10 @@ EOF
 mkfs.fat -n TINIEST --offset 2048 -F 16 bootimage.raw
 IMG="-i bootimage.raw@@$((2048*512))"
 
-# Add an ext2 filesystem at offset 61440*512
+# Add an ext2 filesystem at offset 34816*512
 # Copy initrd.gz and kernel into the fat filesystem root
-mke2fs -t ext4 -E offset=$((34816*512)) -F bootimage.raw 15M
+EXT=offset=$((34816*512))
+mke2fs -t ext4 -E $EXT -F bootimage.raw 15M
 
 mcopy $IMG initrd.gz ::
 mcopy $IMG kernel/boot/vm* ::/vmlinuz
@@ -204,4 +209,12 @@ esac
 dd conv=notrunc of=bootimage.raw bs=440 count=1 \
    if=kernel/usr/lib/syslinux/mbr/$MBRBIN
 
+echo "# populate the extra partition"
+if [ -d extra ] ; then
+    mkdir -p X
+    fuse2fs -o fakeroot -o$EXT bootimage.raw X
+    rsync -r extra/. X/.
+    umount X
+fi
+
 exit
-- 
2.39.2