Hyprland/nix/update-inputs.sh

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#!/usr/bin/env -S nix shell nixpkgs#gawk nixpkgs#git nixpkgs#moreutils nixpkgs#jq nixpkgs#ripgrep -c bash
set -ex
# get wlroots revision from submodule
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SUB_REV=$(git submodule status | rg wlroots | awk '{ print substr($1,2)}')
# and from lockfile
CRT_REV=$(jq <flake.lock '.nodes.wlroots.locked.rev' -r)
if [ "$SUB_REV" != "$CRT_REV" ]; then
# update inputs to latest versions
nix flake update
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# update wlroots to submodule revision
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nix flake lock --override-input wlroots "gitlab:wlroots/wlroots/$SUB_REV?host=gitlab.freedesktop.org"
# remove "dirty" mark from lockfile
jq <flake.lock 'del(.nodes.wlroots.original.rev)' | sponge flake.lock
else
echo "wlroots is up to date!"
fi