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|
{ lib
, writeScript
, common-updater-scripts
, bash
, coreutils
, curl
, gnugrep
, gnupg
, gnused
, nix
}:
let
downloadPageUrl = "https://dist.torproject.org";
# See https://support.torproject.org/little-t-tor/#fetching-the-tor-developers-key
signingKeys = [
"514102454D0A87DB0767A1EBBE6A0531C18A9179" # Alexander Færøy
"B74417EDDF22AC9F9E90F49142E86A2A11F48D36" # David Goulet
"2133BC600AB133E1D826D173FE43009C4607B1FB" # Nick Mathewson
];
in
writeScript "update-tor" ''
#! ${bash}/bin/bash
set -eu -o pipefail
export PATH=${lib.makeBinPath [
common-updater-scripts
coreutils
curl
gnugrep
gnupg
gnused
nix
]}
srcBase=$(curl -L --list-only -- "${downloadPageUrl}" \
| grep -Eo 'tor-([[:digit:]]+\.?)+\.tar\.gz' \
| sort -Vu \
| tail -n1)
srcFile=$srcBase
srcUrl=${downloadPageUrl}/$srcBase
srcName=''${srcBase/.tar.gz/}
srcVers=(''${srcName//-/ })
version=''${srcVers[1]}
checksumUrl=$srcUrl.sha256sum
checksumFile=''${checksumUrl##*/}
sigUrl=$checksumUrl.asc
sigFile=''${sigUrl##*/}
# upstream does not support byte ranges ...
[[ -e "$srcFile" ]] || curl -L -o "$srcFile" -- "$srcUrl"
[[ -e "$checksumFile" ]] || curl -L -o "$checksumFile" -- "$checksumUrl"
[[ -e "$sigFile" ]] || curl -L -o "$sigFile" -- "$sigUrl"
export GNUPGHOME=$PWD/gnupg
mkdir -m 700 -p "$GNUPGHOME"
gpg --batch --recv-keys ${lib.concatStringsSep " " (map (x: "'${x}'") signingKeys)}
gpg --batch --verify "$sigFile" "$checksumFile"
sha256sum -c "$checksumFile"
update-source-version tor "$version" "$(cut -d ' ' "$checksumFile")"
''
|