smooooth/smooooth.sh
2025-05-21 18:08:49 +10:00

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SACRED_SPACE="$1"
BLOCKERS="$2"
PERIOD="$3"
scrapePids() {
for pid in /proc/*; do
if [[ "$pid" =~ ^[0-9]*$ ]]; then
if grep -E "$BLOCKERS" -q /proc/"$pid"/comm; then
if [[ "$(readlink /proc/"$pid"/cwd)" == "$SACRED_SPACE"* ]]; then
echo "$pid with name $(cat /proc/"$pid"/comm) is blocking"
return 0
fi
fi
fi
done
return 1
}
while true; do
inotifywait -r "$SACRED_SPACE"
notify-send "smooooth" "config change detected. waiting for blockers to resolve.."
while scrapePids; do
echo "found blocker in $SACRED_SPACE, waiting.."
sleep "$PERIOD"
done
echo "building system"
notify-send "smooooth" "rebuilding your nixos config - please stand by"
temp="$(mktemp -d)"
build="$temp/system"
nix build --out-link "$build" "$SACRED_SPACE"#nixosConfigurations."$HOSTNAME".config.system.build.toplevel
echo "built - attempting to activate system"
notify-send "smooooth" "activating your new config"
switch="$(readlink "$build")/bin/switch-to-configuration"
pkexec "$switch" switch
echo "cleaning up"
rm -r "$temp"
done