tjh.dev
1#!/usr/bin/env nix-shell
2#!nix-shell -I nixpkgs=./. -i bash -p curl jq gawk libossp_uuid libuuid libxml2 nix
3# shellcheck shell=bash
4
5set -euo pipefail
6
7DEFAULT_NIX="$(realpath "./pkgs/by-name/go/google-chrome/package.nix")"
8
9get_version_info() {
10 local platform="$1"
11 local start_pattern="$2"
12 local end_pattern="$3"
13
14 local url="https://versionhistory.googleapis.com/v1/chrome/platforms/${platform}/channels/stable/versions/all/releases?filter=endtime=none,fraction%3E=0.5&order_by=version%20desc"
15 local response
16 local version
17 local current_version
18
19 response="$(curl --silent --fail "$url")"
20 version="$(jq ".releases[0].version" --raw-output <<< "$response")"
21 current_version="$(awk "/${start_pattern}/,/${end_pattern}/ { if (\$0 ~ /version = \"/) { match(\$0, /version = \"([^\"]+)\"/, arr); print arr[1]; exit } }" "$DEFAULT_NIX")"
22
23 echo "$version" "$current_version"
24}
25
26update_linux() {
27 local version_info
28 local version
29 local current_version
30 local new_hash
31 local new_sri_hash
32
33 read -ra version_info <<< "$(get_version_info "linux" "linux = stdenvNoCC.mkDerivation" "});")"
34 version="${version_info[0]}"
35 current_version="${version_info[1]}"
36
37 if [[ "$current_version" = "$version" ]]; then
38 echo "[Nix] Linux google chrome: same version"
39 return 0
40 fi
41
42 local download_url="https://dl.google.com/linux/chrome/deb/pool/main/g/google-chrome-stable/google-chrome-stable_${version}-1_amd64.deb"
43 new_hash="$(nix-prefetch-url "$download_url" 2>/dev/null)"
44 new_sri_hash="$(nix --extra-experimental-features nix-command hash to-sri --type sha256 "$new_hash")"
45
46 sed -i "/^ linux = stdenvNoCC.mkDerivation/,/^ });/s/version = \".*\"/version = \"$version\"/" "$DEFAULT_NIX"
47 sed -i "/^ linux = stdenvNoCC.mkDerivation/,/^ });/s|hash = \".*\"|hash = \"$new_sri_hash\"|" "$DEFAULT_NIX"
48
49 echo "[Nix] Linux google-chrome: $current_version -> $version with hash $new_hash"
50}
51
52update_darwin() {
53 local version_info
54 local version
55 local current_version
56 local uuid
57 local url
58 local pkg
59 local manifest_version
60 local new_hash
61 local new_sri_hash
62
63 read -ra version_info <<< "$(get_version_info "mac" "darwin = stdenvNoCC.mkDerivation" "});")"
64 version="${version_info[0]}"
65 current_version="${version_info[1]}"
66 uuid="$(uuidgen)"
67
68 if [[ "$current_version" = "$version" ]]; then
69 echo "[Nix] Darwin google chrome: same version"
70 exit 0
71 fi
72
73 local post_data="<?xml version='1.0' encoding='UTF-8'?>
74 <request protocol='3.0' version='1.3.23.9' shell_version='1.3.21.103' ismachine='1'
75 sessionid='$uuid' installsource='ondemandcheckforupdate'
76 requestid='$uuid' dedup='cr'>
77 <hw sse='1' sse2='1' sse3='1' ssse3='1' sse41='1' sse42='1' avx='1' physmemory='12582912' />
78 <os platform='mac' version='$version' arch='arm64'/>
79 <app appid='com.google.Chrome' ap=' ' version=' ' nextversion=' ' lang=' ' brand='GGLS' client=' '>
80 <updatecheck/>
81 </app>
82 </request>"
83
84 response="$(curl -s -X POST -H "Content-Type: text/xml" --data "$post_data" "https://tools.google.com/service/update2")"
85 url="$(echo "$response" | xmllint --xpath "string(//url[contains(@codebase, 'http://dl.google.com/release2')]/@codebase)" -)"
86 pkg="$(echo "$response" | xmllint --xpath "string(//package/@name)" -)"
87 manifest_version="$(echo "$response" | xmllint --xpath "string(//manifest/@version)" -)"
88
89 local download_url="$url$pkg"
90 new_hash="$(nix --extra-experimental-features nix-command hash to-sri --type sha256 "$(nix-prefetch-url "$download_url" 2>/dev/null)")"
91 new_sri_hash="$(nix --extra-experimental-features nix-command hash to-sri --type sha256 "$new_hash")"
92
93 sed -i "/^ darwin = stdenvNoCC.mkDerivation/,/^ });/s/version = \".*\"/version = \"$manifest_version\"/" "$DEFAULT_NIX"
94 sed -i "/^ darwin = stdenvNoCC.mkDerivation/,/^ });/s|hash = \".*\"|hash = \"$new_sri_hash\"|" "$DEFAULT_NIX"
95 sed -i "/^ darwin = stdenvNoCC.mkDerivation/,/^ });/s|url = \".*\"|url = \"$download_url\"|" "$DEFAULT_NIX"
96
97 echo "[Nix] Darwin google-chrome: $current_version -> $manifest_version with hash $new_hash"
98}
99
100update_linux
101update_darwin