70 lines
1.5 KiB
Nix
70 lines
1.5 KiB
Nix
{ 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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let
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downloadPageUrl = "https://dist.torproject.org";
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# See https://support.torproject.org/little-t-tor/#fetching-the-tor-developers-key
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signingKeys = [
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"514102454D0A87DB0767A1EBBE6A0531C18A9179" # Alexander Færøy
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"B74417EDDF22AC9F9E90F49142E86A2A11F48D36" # David Goulet
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"2133BC600AB133E1D826D173FE43009C4607B1FB" # Nick Mathewson
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];
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in
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writeScript "update-tor" ''
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#! ${bash}/bin/bash
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set -eu -o pipefail
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export PATH=${lib.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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srcBase=$(curl -L --list-only -- "${downloadPageUrl}" \
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| grep -Eo 'tor-([[:digit:]]+\.?)+\.tar\.gz' \
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| sort -Vu \
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| tail -n1)
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srcFile=$srcBase
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srcUrl=${downloadPageUrl}/$srcBase
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srcName=''${srcBase/.tar.gz/}
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srcVers=(''${srcName//-/ })
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version=''${srcVers[1]}
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checksumUrl=$srcUrl.sha256sum
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checksumFile=''${checksumUrl##*/}
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sigUrl=$checksumUrl.asc
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sigFile=''${sigUrl##*/}
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# upstream does not support byte ranges ...
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[[ -e "$srcFile" ]] || curl -L -o "$srcFile" -- "$srcUrl"
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[[ -e "$checksumFile" ]] || curl -L -o "$checksumFile" -- "$checksumUrl"
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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 ${lib.concatStringsSep " " (map (x: "'${x}'") signingKeys)}
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gpg --batch --verify "$sigFile" "$checksumFile"
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sha256sum -c "$checksumFile"
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update-source-version tor "$version" "$(cut -d ' ' "$checksumFile")"
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''
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