opentabletdriver: simpler update script

pkgs/by-name/op/opentabletdriver/update.sh

@@ -1,23 +1,8 @@
 #!/usr/bin/env nix-shell
-#!nix-shell -I nixpkgs=./. -i bash -p curl gnused jq common-updater-scripts nixfmt-rfc-style
-set -eo pipefail
+#!nix-shell --pure -i bash -p bash nix nix-update git cacert
+set -euo pipefail
 
-verlte() {
-    printf '%s\n' "$1" "$2" | sort -C -V
-}
-
-new_version="$(curl ${GITHUB_TOKEN:+" -u \":$GITHUB_TOKEN\""} -s "https://api.github.com/repos/OpenTabletDriver/OpenTabletDriver/releases" |
-    jq -r  'map(select(.prerelease == false)) | .[0].tag_name' |
-    cut -c2-)"
-old_version="$(nix --extra-experimental-features 'nix-command' eval --file default.nix opentabletdriver.version --raw)"
-
-if verlte "$new_version" "$old_version"; then
-  echo "Already up to date!"
-  [[ "${1}" != "--force" ]] && exit 0
-fi
-
-update-source-version opentabletdriver "$new_version"
-eval "$(nix-build -A opentabletdriver.fetch-deps --no-out-link)"
-
-cd "$(dirname "${BASH_SOURCE[0]}")"
-nixfmt deps.nix
+prev_version=$(nix eval --raw -f. opentabletdriver.version)
+nix-update opentabletdriver
+[[ $(nix eval --raw -f. opentabletdriver.version) == "$prev_version" ]] ||
+  "$(nix-build . -A opentabletdriver.fetch-deps --no-out-link)"