banan-os/script/image.sh

75 lines
2.0 KiB
Bash
Executable File

#!/bin/bash
if [ -z $BANAN_DISK_IMAGE_PATH ]; then
echo "You must set the BANAN_DISK_IMAGE_PATH environment variable" >&2
exit 1
fi
if [ -z $BANAN_SYSROOT ]; then
echo "You must set the BANAN_SYSROOT environment variable" >&2
exit 1
fi
if [ -z $BANAN_FAKEROOT ]; then
echo "You must set the BANAN_FAKEROOT environment variable" >&2
exit 1
fi
if [ -z $BANAN_BUILD_DIR ]; then
echo "You must set the BANAN_BUILD_DIR environment variable" >&2
exit 1
fi
if [ "$1" == "full" ] || [ ! -f $BANAN_DISK_IMAGE_PATH ]; then
$BANAN_SCRIPT_DIR/image-create.sh || exit 1
fi
set -u
MOUNT_DIR="$BANAN_BUILD_DIR/mount"
mkdir -p $MOUNT_DIR
LOOP_DEV="$(sudo losetup --show -Pf $BANAN_DISK_IMAGE_PATH || exit 1)"
ROOT_PARTITION="${LOOP_DEV}p2"
if [ ! -b $ROOT_PARTITION ]; then
echo "Failed to probe partitions for banan disk image." >&2
sudo losetup -d $LOOP_DEV
exit 1
fi
if sudo mount $ROOT_PARTITION $MOUNT_DIR; then
if (($BANAN_INITRD)); then
fakeroot -i $BANAN_FAKEROOT tar -C $BANAN_SYSROOT -cf $BANAN_SYSROOT.initrd .
sudo mkdir -p $MOUNT_DIR/boot
sudo cp $BANAN_BUILD_DIR/kernel/banan-os.kernel $MOUNT_DIR/boot/banan-os.kernel
sudo mv $BANAN_SYSROOT.initrd $MOUNT_DIR/boot/banan-os.initrd
else
sudo rsync -rulHpt $BANAN_SYSROOT/ $MOUNT_DIR
fakeroot -i $BANAN_FAKEROOT find $BANAN_SYSROOT -printf './%P|%U|%G\n' >$BANAN_BUILD_DIR/sysroot-perms.txt
sudo bash -c "
if enable stat &>/dev/null; then
while IFS='|' read -r path uid gid; do
full=\"$MOUNT_DIR/\$path\"
stat \"\$full\"
if [[ \${STAT[uid]} != \$uid ]] || [[ \${STAT[gid]} != \$gid ]]; then
chown -h \"\$uid:\$gid\" \"\$full\"
fi
done <$BANAN_BUILD_DIR/sysroot-perms.txt
else
while IFS='|' read -r path uid gid; do
full=\"$MOUNT_DIR/\$path\"
if [[ \$(stat -c '%u %g' \"\$full\") != \"\$uid \$gid\" ]]; then
chown -h \"\$uid:\$gid\" \"\$full\"
fi
done <$BANAN_BUILD_DIR/sysroot-perms.txt
fi
"
fi
sudo umount $MOUNT_DIR
fi
sudo losetup -d $LOOP_DEV