forked from lix-project/lix
108 lines
2.9 KiB
Bash
108 lines
2.9 KiB
Bash
![]() |
#!/bin/sh
|
||
|
set -e
|
||
|
|
||
|
root_disks() {
|
||
|
diskutil list -plist /
|
||
|
}
|
||
|
|
||
|
apfs_volumes_for() {
|
||
|
disk=$1
|
||
|
diskutil apfs list -plist "$disk"
|
||
|
}
|
||
|
|
||
|
disk_identifier() {
|
||
|
xpath "/plist/dict/key[text()='WholeDisks']/following-sibling::array[1]/string/text()" 2>/dev/null
|
||
|
}
|
||
|
|
||
|
volume_get() {
|
||
|
key=$1 i=$2
|
||
|
xpath "/plist/dict/array/dict/key[text()='Volumes']/following-sibling::array/dict[$i]/key[text()='$key']/following-sibling::string[1]/text()" 2> /dev/null
|
||
|
}
|
||
|
|
||
|
find_nix_volume() {
|
||
|
disk=$1
|
||
|
i=1
|
||
|
volumes=$(apfs_volumes_for "$disk")
|
||
|
while true; do
|
||
|
name=$(echo "$volumes" | volume_get "Name" "$i")
|
||
|
if [ -z "$name" ]; then
|
||
|
break
|
||
|
fi
|
||
|
case "$name" in
|
||
|
[Nn]ix*)
|
||
|
echo "$name"
|
||
|
break
|
||
|
;;
|
||
|
esac
|
||
|
i=$((i+1))
|
||
|
done
|
||
|
}
|
||
|
|
||
|
test_fstab() {
|
||
|
grep -q "/nix" /etc/fstab 2>/dev/null
|
||
|
}
|
||
|
|
||
|
test_synthetic_conf() {
|
||
|
grep -q "^nix" /etc/synthetic.conf 2>/dev/null
|
||
|
}
|
||
|
|
||
|
test_nix() {
|
||
|
test -d "/nix"
|
||
|
}
|
||
|
|
||
|
main() {
|
||
|
(
|
||
|
echo ""
|
||
|
echo " ------------------------------------------------------------------ "
|
||
|
echo " | This installer will create a volume for the nix store and |"
|
||
|
echo " | configure it to mount at /nix. Follow these steps to uninstall. |"
|
||
|
echo " ------------------------------------------------------------------ "
|
||
|
echo ""
|
||
|
echo " 1. Remove the entry from fstab using 'sudo vifs'"
|
||
|
echo " 2. Destroy the data volume using 'diskutil apfs deleteVolume'"
|
||
|
echo " 3. Delete /etc/synthetic.conf"
|
||
|
echo ""
|
||
|
) >&2
|
||
|
|
||
|
if [ -L "/nix" ]; then
|
||
|
echo "error: /nix is a symlink, please remove it or edit synthetic.conf (requires reboot)" >&2
|
||
|
echo " /nix -> $(readlink "/nix")" >&2
|
||
|
exit 2
|
||
|
fi
|
||
|
|
||
|
if ! test_synthetic_conf; then
|
||
|
echo "Configuring /etc/synthetic.conf..." >&2
|
||
|
echo nix | sudo tee /etc/synthetic.conf
|
||
|
/System/Library/Filesystems/apfs.fs/Contents/Resources/apfs.util -B
|
||
|
fi
|
||
|
|
||
|
if ! test_nix; then
|
||
|
echo "Creating mountpoint for /nix..." >&2
|
||
|
sudo mkdir /nix
|
||
|
fi
|
||
|
|
||
|
disk=$(root_disks | disk_identifier)
|
||
|
volume=$(find_nix_volume "$disk")
|
||
|
if [ -z "$volume" ]; then
|
||
|
echo "Creating a Nix Store volume..." >&2
|
||
|
sudo diskutil apfs addVolume "$disk" APFS 'Nix Store' -mountpoint /nix
|
||
|
volume="Nix Store"
|
||
|
else
|
||
|
echo "Using existing '$volume' volume" >&2
|
||
|
fi
|
||
|
|
||
|
if ! test_fstab; then
|
||
|
echo "Configuring /etc/fstab..." >&2
|
||
|
label=$(echo "$volume" | sed 's/ /\\040/g')
|
||
|
printf "\$a\nLABEL=%s /nix apfs rw\n.\nwq\n" "$label" | EDITOR=ed sudo vifs
|
||
|
fi
|
||
|
|
||
|
echo "The following options can be enabled to disable spotlight indexing" >&2
|
||
|
echo "of the volume, which might be desirable." >&2
|
||
|
echo "" >&2
|
||
|
echo " $ mdutil -i off /nix" >&2
|
||
|
echo "" >&2
|
||
|
}
|
||
|
|
||
|
main "$@"
|