ladybird/Meta/build-native-partition.sh
demostanis 48aea321c5 Meta: Don't tell to run script as root when that's not the actual error
Before, and that was the cause of many confusion in #build-problems
on Discord, the Meta/build-image-*.sh scripts would error out with
the message "this script needs to run as root" while the actual error
was unrelated.
2022-10-15 01:40:01 +02:00

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#!/bin/sh
set -e
die() {
echo "die: $*"
exit 1
}
cleanup() {
if [ -d mnt ]; then
umount mnt || ( sleep 1 && sync && umount mnt )
rmdir mnt
echo "done"
fi
}
if [ "$(id -u)" != 0 ]; then
set +e
${SUDO} -E -- sh -c "\"$0\" $* || exit 42"
case $? in
1)
die "this script needs to run as root"
;;
42)
exit 1
;;
*)
exit 0
;;
esac
else
: "${SUDO_UID:=0}" "${SUDO_GID:=0}"
fi
if [ -z "$SERENITY_TARGET_INSTALL_PARTITION" ]; then
die "SERENITY_TARGET_INSTALL_PARTITION environment variable was not set!"
fi
printf "verifying partition %s is already ext2... " "$SERENITY_TARGET_INSTALL_PARTITION"
if file -sL "$SERENITY_TARGET_INSTALL_PARTITION" 2>&1 | grep "ext2" > /dev/null; then
echo "done"
else
die "$SERENITY_TARGET_INSTALL_PARTITION is not an ext2 partition!"
fi
trap cleanup EXIT
printf "mounting filesystem on device %s... " "$SERENITY_TARGET_INSTALL_PARTITION"
mkdir -p mnt
if ! eval "mount $SERENITY_TARGET_INSTALL_PARTITION mnt/"; then
die "could not mount existing ext2 filesystem on $SERENITY_TARGET_INSTALL_PARTITION"
else
echo "done"
fi
script_path=$(cd -P -- "$(dirname -- "$0")" && pwd -P)
"$script_path/build-root-filesystem.sh"