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nix/rebuild.sh

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#!/usr/bin/env bash
set -e
pushd ~/.nix
# nvim flake.nix
# alejandra . &>/dev/null
git diff -U0 *.nix
# add generation comment to flake.nix
if grep -q '^# generation:' flake.nix; then
sed -i "1s/^# generation:.*/# generation: $gen/" flake.nix
else
sed -i "1i# generation: $gen" flake.nix
fi
echo "nixos rebuilding..."
sudo nixos-rebuild switch --flake ~/.nix#snowbelle &>.nixos-switch-log || (
cat nixos-switch.log | grep --color error && false)
gen=$(nixos-rebuild list-generations | grep current)
git commit -am "$gen"
popd