nixpkgs/maintainers/scripts/update-discord
Tadeo Kondrak 70167b64c5 maintainers/scripts/update-discord: improve
- add comment specifying file is generated
- remove repetition of version number
2019-10-15 21:21:13 -07:00

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#!/usr/bin/env bash
# script to generate `pkgs/networking/instant-messengers/discord/default.nix`
set -e
exec >${1:?usage: $0 <output-file>}
cat <<EOF
{ branch ? "stable", pkgs }:
# Generated by /maintainers/scripts/update-discord
let
inherit (pkgs) callPackage fetchurl;
in {
EOF
for branch in "" ptb canary; do
url=$(curl -sI "https://discordapp.com/api/download${branch:+/}${branch}?platform=linux&format=tar.gz" | grep -oP 'location: \K\S+')
version=${url##https://dl*.discordapp.net/apps/linux/}
version=${version%%/*.tar.gz}
echo " ${branch:-stable} = callPackage ./base.nix rec {"
echo " pname = \"discord${branch:+-}${branch}\";"
case $branch in
"") suffix="" ;;
ptb) suffix="PTB" ;;
canary) suffix="Canary" ;;
esac
echo " binaryName = \"Discord${suffix}\";"
echo " desktopName = \"Discord${suffix:+ }${suffix}\";"
echo " version = \"${version}\";"
echo " src = fetchurl {"
echo " url = \"${url//${version}/\$\{version\}}\";"
echo " sha256 = \"$(nix-prefetch-url "$url")\";"
echo " };"
echo " };"
done
echo "}.\${branch}"