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Format partition to ext4 & cp packages there & switch_root

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This commit is contained in:
aheirman 2021-02-14 18:34:51 +01:00
parent f5bf272992
commit bb4afc18c9
3 changed files with 66 additions and 23 deletions
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27
build_utils Executable file
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@ -0,0 +1,27 @@
cp_packages (){
#IMPORTANT: must be run from the folder where the iglunix repo is.
#NOTE: this will assume that there always is a '*-dev'/'*-doc' package,\n this is not true.
# That's why the errors are shown to some one who cares.
echo "Hello this is build-utils"
for pkg in ${packages[@]}
do
if [ ! -d pkgs/${pkg}/out ]; then
echo "NOTE: ${pkg} was not yet build, building it now"
cd pkgs/${pkg}/
../../iglupkg.sh
cd ../..
fi
echo "Going to copy: $pkg to $1"
tar -xf pkgs/${pkg}/out/${pkg}.*.tar.xz -C $1
tar -xf pkgs/${pkg}/out/${pkg}-dev.*.tar.xz -C $1 2> /dev/null
tar -xf pkgs/${pkg}/out/${pkg}-doc.*.tar.xz -C $1 2> /dev/null
done
}

24
createimg.sh
View file

@ -1,9 +1,13 @@
#!/bin/sh
echo "Createimg.sh"
rm iglunix.img
dd if=../tiny-linux-bootloader/disk of=iglunix.img
source build_utils
FILE_SIZE=$(stat -c %s iglunix.img)
echo "FILE_SIZE=${FILE_SIZE}"
PARTITION_START=$(($FILE_SIZE / 512))
@ -24,6 +28,26 @@ ${PARTITION_START}
w
" | fdisk iglunix.img
PARTITION_START2=$((${PARTITION_START} * 512))
echo "PARTITION_START2: ${PARTITION_START2}"
LOOPBACK=$(losetup -o ${PARTITION_START2} -s -f iglunix.img)
echo "LOOPBACK: ${LOOPBACK}"
mke2fs -t ext4 -L "__IGLUNIX_ROOT" ${LOOPBACK}
umount /mnt/__IGLUNIX_ROOT
rm -rf /mnt/__IGLUNIX_ROOT
mkdir -p /mnt/__IGLUNIX_ROOT
mount ${LOOPBACK} /mnt/__IGLUNIX_ROOT
packages=(musl mksh bmake gmake libressl cmake curl rsync flex byacc om4 zlib samurai libffi python ca-certificates zlib expat gettext-tiny git kati netbsd-curses kakoune iglunix rust toybox busybox less file pci-ids e2fsprogs)
cp_packages /mnt/__IGLUNIX_ROOT
echo "Unmounting & closing loopback"
umount /mnt/__IGLUNIX_ROOT
losetup -d ${LOOPBACK}
exit
# losetup -o 32256 /dev/loop0 iglunix.img

38
geninitrd.sh
View file

@ -11,37 +11,29 @@
# Create the root fs dir
echo "geninitrd.sh"
source build_utils
rm -rf isoout isoroot
mkdir isoroot
mkdir isoout
cp_packages (){
#NOTE: this will assume that there always is a '*-dev'/'*-doc' package,\n this is not true.
# That's why the errors are shown to some one who cares.
for pkg in ${packages[@]}
do
echo "Going to copy: $pkg to $1"
tar -xf pkgs/${pkg}/out/${pkg}.*.tar.xz -C $1
tar -xf pkgs/${pkg}/out/${pkg}-dev.*.tar.xz -C $1 2> /dev/null
tar -xf pkgs/${pkg}/out/${pkg}-doc.*.tar.xz -C $1 2> /dev/null
done
}
# This should be a minimal number of packages, if we want fast boot times.
# The remaining packages are in createimg.sh
#packages=(musl mksh bmake gmake libressl cmake curl rsync linux flex byacc om4 zlib samurai libffi python ca-certificates zlib expat gettext-tiny git kati netbsd-curses kakoune iglunix)
packages=(musl linux mksh busybox toybox iglunix)
cp_packages ./isoroot
#packages=(musl mksh busybox toybox llvm bmake gmake libressl cmake curl rsync linux flex byacc om4 zlib samurai libffi python ca-certificates zlib expat gettext-tiny git kati netbsd-curses kakoune iglunix rust less heirloom-doctools file pci-ids)
#cp_packages ./isoroot
cat >isoroot/init << EOF
#!/bin/sh
exec /sbin/init
EOF
rm isoroot/sbin/init
cat >isoroot/sbin/init << EOF
cat >isoroot/sbin/init << 'EOF'
#!/bin/sh
export PATH=/usr/sbin:/usr/bin:/sbin:/bin
@ -55,17 +47,17 @@ mount -t tmpfs tmpfs /tmp
busybox mdev -s
busybox mdev -d
exec /bin/sh
mkdir /mnt
# while not mount $(blkid -L IGLUNIX_BS_MEDIA) /mnt; do
# echo "Failed to mount boot disk"
# echo "Retrying"
# sleep 0.5
# done
while ! mount $(findfs LABEL=__IGLUNIX_ROOT) /mnt; do
echo "Failed to mount boot disk"
echo "Retrying"
sleep 0.5
done
exec switch_root /mnt
echo "Starting switch_root"
exec switch_root /mnt /bin/sh
EOF