tjh.dev
1#!/usr/bin/env nix-shell
2#!nix-shell -I nixpkgs=./. -i bash -p curl jq nix-prefetch-github yj git
3# shellcheck shell=bash
4
5set -euo pipefail
6
7cd $(readlink -e $(dirname "${BASH_SOURCE[0]}"))
8
9# Download the latest pubspec.lock (which is a YAML file), convert it to JSON and write it to
10# the package directory as pubspec.lock.json
11update_pubspec_json() {
12 local version; version="$1"
13 echo "Updating pubspec.lock.json"
14
15 curl -s \
16 "https://raw.githubusercontent.com/canonical/multipass/refs/tags/v${version}/src/client/gui/pubspec.lock" \
17 | yj > pubspec.lock.json
18}
19
20# Update the SRI hash of a particular overridden Dart package in the Nix expression
21update_dart_pkg_hash() {
22 local pkg_name; pkg_name="$1"
23 local owner; owner="$2";
24 local repo; repo="$3";
25 echo "Updating dart package hash: $pkg_name"
26
27 resolved_ref="$(jq -r --arg PKG "$pkg_name" '.packages[$PKG].description."resolved-ref"' pubspec.lock.json)"
28 hash="$(nix-prefetch-github --rev "$resolved_ref" "$owner" "$repo" | jq '.hash')"
29 sed -i "s|${pkg_name} = \".*\";|${pkg_name} = $hash;|" gui.nix
30}
31
32# Update the hash of the multipass source code in the Nix expression.
33update_multipass_source() {
34 local version; version="$1"
35 echo "Updating multipass source"
36
37 sri_hash="$(nix-prefetch-github canonical multipass --rev "refs/tags/v${version}" --fetch-submodules | jq -r '.hash')"
38
39 sed -i "s|version = \".*$|version = \"$version\";|" package.nix
40 sed -i "s|hash = \".*$|hash = \"${sri_hash}\";|" package.nix
41}
42
43LATEST_TAG="$(curl -s ${GITHUB_TOKEN:+-u ":$GITHUB_TOKEN"} https://api.github.com/repos/canonical/multipass/releases/latest | jq -r '.tag_name')"
44LATEST_VERSION="$(expr "$LATEST_TAG" : 'v\(.*\)')"
45CURRENT_VERSION="$(grep -Po "version = \"\K[^\"]+" package.nix)"
46
47if [[ "$CURRENT_VERSION" == "$LATEST_VERSION" ]]; then
48 echo "multipass is up to date: ${CURRENT_VERSION}"
49 exit 0
50fi
51
52update_pubspec_json "$LATEST_VERSION"
53
54update_dart_pkg_hash dartssh2 canonical dartssh2
55update_dart_pkg_hash hotkey_manager_linux canonical hotkey_manager
56update_dart_pkg_hash tray_menu canonical tray_menu
57update_dart_pkg_hash window_size google flutter-desktop-embedding
58update_dart_pkg_hash xterm levkropp xterm.dart
59
60update_multipass_source "$LATEST_VERSION"
61