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install: make synthetic.conf and fstab checks stricter

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Daiderd Jordan 2020-03-18 20:34:46 +01:00
parent 04f597c3f4
commit bc24c09968
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GPG key ID: D02435D05B810C96
1 changed files with 9 additions and 5 deletions
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14
scripts/create-darwin-volume.sh
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@ -39,11 +39,15 @@ find_nix_volume() {
}
test_fstab() {
grep -q "/nix" /etc/fstab 2>/dev/null
grep -q "/nix apfs rw" /etc/fstab 2>/dev/null
}
test_nix_symlink() {
[ -L "/nix" ] || grep -q "^nix." /etc/synthetic.conf 2>/dev/null
}
test_synthetic_conf() {
grep -q "^nix" /etc/synthetic.conf 2>/dev/null
grep -q "^nix$" /etc/synthetic.conf 2>/dev/null
}
test_nix() {
@ -60,12 +64,12 @@ main() {
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 " 3. Remove the 'nix' line from /etc/synthetic.conf or the file"
echo ""
) >&2
if [ -L "/nix" ]; then
echo "error: /nix is a symlink, please remove it or edit synthetic.conf (requires reboot)" >&2
if test_nix_symlink; then
echo "error: /nix is a symlink, please remove it and make sure it's not in synthetic.conf (in which case a reboot is required)" >&2
echo " /nix -> $(readlink "/nix")" >&2
exit 2
fi