Hyprland/nix/update-wlroots.sh

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#!/usr/bin/env -S nix shell nixpkgs#gawk nixpkgs#git nixpkgs#gnused nixpkgs#jq nixpkgs#ripgrep -c bash
# get wlroots revision from submodule
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
echo "Updating wlroots..."
# update wlroots to submodule revision
nix flake lock --override-input wlroots "gitlab:wlroots/wlroots/$SUB_REV?host=gitlab.freedesktop.org"
# fix revision in wlroots.wrap
sed -Ei "s/[a-z0-9]{40}/$SUB_REV/g" subprojects/wlroots.wrap
else
echo "wlroots is up to date!"
fi