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touchosc: add updateScript

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Lily Foster 2022-10-21 11:36:28 -04:00
parent d2cfe468f8
commit 9ae845e3bf
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2 changed files with 35 additions and 0 deletions
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2
pkgs/applications/audio/touchosc/default.nix
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@ -96,6 +96,8 @@ stdenv.mkDerivation rec {
runHook postInstall
'';
passthru.updateScript = ./update.sh;
meta = with lib; {
homepage = "https://hexler.net/touchosc";
description = "Next generation modular control surface";

33
pkgs/applications/audio/touchosc/update.sh Executable file
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@ -0,0 +1,33 @@
#!/usr/bin/env nix-shell
#!nix-shell -i bash -p nix curl libxml2 jq common-updater-scripts
set -euo pipefail
nixpkgs="$(git rev-parse --show-toplevel || (printf 'Could not find root of nixpkgs repo\nAre we running from within the nixpkgs git repo?\n' >&2; exit 1))"
attr="${UPDATE_NIX_ATTR_PATH:-touchosc}"
version="$(curl -sSL https://hexler.net/touchosc/appcast/linux | xmllint --xpath '/rss/channel/item/enclosure/@*[local-name()="version"]' - | cut -d= -f2- | tr -d '"' | head -n1)"
findpath() {
path="$(nix --extra-experimental-features nix-command eval --json --impure -f "$nixpkgs" "$1.meta.position" | jq -r . | cut -d: -f1)"
outpath="$(nix --extra-experimental-features nix-command eval --json --impure --expr "builtins.fetchGit \"$nixpkgs\"")"
if [ -n "$outpath" ]; then
path="${path/$(echo "$outpath" | jq -r .)/$nixpkgs}"
fi
echo "$path"
}
pkgpath="$(findpath "$attr")"
sed -i -e "/version\s*=/ s|\"$UPDATE_NIX_OLD_VERSION\"|\"$version\"|" "$pkgpath"
for system in aarch64-linux armv7l-linux x86_64-linux; do
url="$(nix --extra-experimental-features nix-command eval --json --impure --argstr system "$system" -f "$nixpkgs" "$attr".src.url | jq -r .)"
curhash="$(nix --extra-experimental-features nix-command eval --json --impure --argstr system "$system" -f "$nixpkgs" "$attr".src.outputHash | jq -r .)"
newhash="$(nix --extra-experimental-features nix-command store prefetch-file --json "$url" | jq -r .hash)"
sed -i -e "s|\"$curhash\"|\"$newhash\"|" "$pkgpath"
done