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|
{ system ? builtins.currentSystem }:
let
inherit (import <nixpkgs> {
inherit system;
}) lib writeText stdenv;
sources = if builtins.pathExists ./sources.nix
then import ./sources.nix
else null;
bucketURL = "http://commondatastorage.googleapis.com/"
+ "chromium-browser-official";
debURL = "https://dl.google.com/linux/chrome/deb/pool/main/g";
# Untrusted mirrors, don't try to update from them!
debMirrors = [
"http://95.31.35.30/chrome/pool/main/g"
"http://mirror.pcbeta.com/google/chrome/deb/pool/main/g"
];
tryChannel = channel: let
chan = builtins.getAttr channel sources;
in if sources != null then ''
oldver="${chan.version}";
echo -n "Checking if $oldver ($channel) is up to date..." >&2;
if [ "x$(get_newest_ver "$version" "$oldver")" != "x$oldver" ];
then
echo " no, getting sha256 for new version $version:" >&2;
sha256="$(prefetch_sha "$channel" "$version")" || return 1;
else
echo " yes, keeping old sha256." >&2;
sha256="${chan.sha256}";
${if (chan ? sha256bin32 && chan ? sha256bin64) then ''
sha256="$sha256.${chan.sha256bin32}.${chan.sha256bin64}";
'' else ''
sha256="$sha256.$(prefetch_deb_sha "$channel" "$version")";
''}
fi;
'' else ''
sha256="$(prefetch_sha "$channel" "$version")" || return 1;
'';
caseChannel = channel: ''
${channel}) ${tryChannel channel};;
'';
in rec {
getChannel = channel: let
chanAttrs = builtins.getAttr channel sources;
in {
inherit (chanAttrs) version;
main = {
url = "${bucketURL}/chromium-${chanAttrs.version}.tar.xz";
inherit (chanAttrs) sha256;
};
binary = let
pname = if channel == "dev"
then "google-chrome-unstable"
else "google-chrome-${channel}";
arch = if stdenv.is64bit then "amd64" else "i386";
relpath = "${pname}/${pname}_${chanAttrs.version}-1_${arch}.deb";
in lib.optionalAttrs (chanAttrs ? sha256bin64) {
urls = map (url: "${url}/${relpath}") ([ debURL ] ++ debMirrors);
sha256 = if stdenv.is64bit
then chanAttrs.sha256bin64
else chanAttrs.sha256bin32;
};
};
updateHelpers = writeText "update-helpers.sh" ''
prefetch_main_sha()
{
nix-prefetch-url "${bucketURL}/chromium-$2.tar.xz";
}
prefetch_deb_sha()
{
channel="$1";
version="$2";
case "$1" in
dev) pname="google-chrome-unstable";;
*) pname="google-chrome-$channel";;
esac;
deb_pre="${debURL}/$pname/$pname";
deb32=$(nix-prefetch-url "''${deb_pre}_$version-1_i386.deb");
deb64=$(nix-prefetch-url "''${deb_pre}_$version-1_amd64.deb");
echo "$deb32.$deb64";
return 0;
}
prefetch_sha()
{
main_sha="$(prefetch_main_sha "$@")" || return 1;
deb_sha="$(prefetch_deb_sha "$@")" || return 1;
echo "$main_sha.$deb_sha";
return 0;
}
get_sha256()
{
channel="$1";
version="$2";
case "$channel" in
${lib.concatMapStrings caseChannel [ "stable" "dev" "beta" ]}
esac;
sha_insert "$version" "$sha256";
echo "$sha256";
return 0;
}
'';
}
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