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60 lines
1.1 KiB
Nix
60 lines
1.1 KiB
Nix
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{ lib
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, writeScript
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, common-updater-scripts
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, bash
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, coreutils
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, curl
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, gnugrep
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, gnupg
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, gnused
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, nix
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}:
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with lib;
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let
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downloadPageUrl = "https://download.electrum.org";
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signingKeys = ["6694 D8DE 7BE8 EE56 31BE D950 2BD5 824B 7F94 70E6"];
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in
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writeScript "update-electrum" ''
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#! ${bash}/bin/bash
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set -eu -o pipefail
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export PATH=${makeBinPath [
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common-updater-scripts
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coreutils
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curl
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gnugrep
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gnupg
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gnused
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nix
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]}
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version=$(curl -L --list-only -- '${downloadPageUrl}' \
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| grep -Po '<a href="\K([[:digit:]]+\.?)+' \
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| sort -Vu \
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| tail -n1)
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srcName=Electrum-$version
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srcFile=$srcName.tar.gz
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srcUrl="${downloadPageUrl}/$version/$srcFile"
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sigUrl=$srcUrl.asc
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sigFile=$srcFile.asc
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[[ -e "$srcFile" ]] || curl -L -o "$srcFile" -- "$srcUrl"
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[[ -e "$sigFile" ]] || curl -L -o "$sigFile" -- "$sigUrl"
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export GNUPGHOME=$PWD/gnupg
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mkdir -m 700 -p "$GNUPGHOME"
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gpg --batch --recv-keys ${concatStringsSep " " (map (x: "'${x}'") signingKeys)}
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gpg --batch --verify "$sigFile" "$srcFile"
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sha256=$(nix-prefetch-url --type sha256 "file://$PWD/$srcFile")
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update-source-version electrum "$version" "$sha256"
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''
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