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