ska/nixos-production
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Update configuration.nix

Browse Source
This commit is contained in:
ska
2025-12-22 16:12:00 +00:00
parent 7762d471db
commit b0ff40cf13
1 changed files with 17 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
configuration.nix
View File

@@ -218,6 +218,9 @@
serviceConfig = { serviceConfig = {
Type = "simple"; Type = "simple";
Restart = "always";
RestartSec = "1";
ExecStart = pkgs.writeShellScript "watch-root-device" '' ExecStart = pkgs.writeShellScript "watch-root-device" ''
set -e set -e
@@ -227,10 +230,14 @@
SLEEP=${pkgs.coreutils}/bin/sleep SLEEP=${pkgs.coreutils}/bin/sleep
SYSTEMCTL=${pkgs.systemd}/bin/systemctl SYSTEMCTL=${pkgs.systemd}/bin/systemctl
ROOT_SRC="$($FINDMNT -n -o SOURCE / || true)" # Wait until root is visible
[ -z "$ROOT_SRC" ] && exit 0 while true; do
ROOT_SRC="$($FINDMNT -n -o SOURCE / 2>/dev/null || true)"
[ -n "$ROOT_SRC" ] && break
$SLEEP 1
done
# Resolve to top-level disk exactly once # Resolve to top-level block device
PARENT="$($LSBLK -ndo PKNAME "$ROOT_SRC" 2>/dev/null || true)" PARENT="$($LSBLK -ndo PKNAME "$ROOT_SRC" 2>/dev/null || true)"
if [ -n "$PARENT" ]; then if [ -n "$PARENT" ]; then
ROOT_DEV="/dev/$PARENT" ROOT_DEV="/dev/$PARENT"
@@ -240,16 +247,18 @@
DEV_NAME="$($BASENAME "$ROOT_DEV")" DEV_NAME="$($BASENAME "$ROOT_DEV")"
# Sanity check: ensure device exists before watching # Wait until sysfs entry exists
[ ! -e "/sys/class/block/$DEV_NAME" ] && exit 0 while [ ! -e "/sys/class/block/$DEV_NAME" ]; do
while [ -e "/sys/class/block/$DEV_NAME" ]; do
$SLEEP 1 $SLEEP 1
done done
# Watch until device disappears
while [ -e "/sys/class/block/$DEV_NAME" ]; do
$SLEEP 0.5
done
$SYSTEMCTL poweroff $SYSTEMCTL poweroff
''; '';
Restart = "no";
}; };
}; };