nix-config/rebuild.sh

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#!/usr/bin/env bash
if [ -d "result" ];
then
preserve_result=true
else
preserve_result=false
fi
while [ $# -gt 0 ]; do
case "$1" in
--target*|-t*)
if [[ "$1" != *=* ]]; then shift; fi # Value is next arg if no `=`
target="${1#*=}"
;;
--flake*|-h*)
if [[ "$1" != *=* ]]; then shift; fi
flake="${1#*=}"
;;
--mode*|-m*)
if [[ "$1" != *=* ]]; then shift; fi
mode="${1#*=}"
;;
--user*|-u*)
if [[ "$1" != *=* ]]; then shift; fi
user="${1#*=}"
;;
--preserve-result)
preserve_result=true
;;
--no-preserve-result)
preserve_result=false
;;
--help|-h)
echo "--help -h: print this message"
echo "--target -t: set the target system to rebuild on"
echo "--flake -f: set the flake to rebuild on the target system"
echo "--mode -m: set the mode to rebuild flake as on the target system"
echo "--user -u: set the user to rebuild flake as on the target system"
echo "--preserve-result: do not remove the generated result folder after building"
echo "--no-preserve-result: remove any result folder after building"
exit 0
;;
*)
echo "Error: Invalid argument $1"
exit 1
;;
esac
shift
done
target=${target:-$(hostname)}
flake=${flake:-$target}
mode=${mode:-switch}
user=${user:-$USER}
# path: prefixes on rebuilds here make nix not treat this flake like it has a git repo so we can
# access secret files in the submodule this is kinda bad and we should find a way to not need it
if [[ "$target" == "$(hostname)" ]];
then
nixos-rebuild $mode --use-remote-sudo --flake .#$flake
else
nixos-rebuild $mode --use-remote-sudo --target-host $user@$target --flake .#$flake
fi
if [ -d "result" ];
then
if [[ "$preserve_result" == "false" ]];
then
rm -r result
fi
fi