nix-bitcoin/helper/fetch-release

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#!/usr/bin/env nix-shell
#!nix-shell -i bash -p bash coreutils curl jq gnupg
set -euo pipefail
scriptDir=$(cd "${BASH_SOURCE[0]%/*}" && pwd)
repo=fort-nix/nix-bitcoin
if [[ ! -v version ]]; then
version=$(curl --silent "https://api.github.com/repos/$repo/releases/latest" | jq -r '.tag_name' | tail -c +2)
fi
TMPDIR=$(mktemp -d)
trap "rm -rf $TMPDIR" EXIT
GPG_HOME=$TMPDIR/gpg-home
mkdir -p -m 700 "$GPG_HOME"
cd $TMPDIR
baseUrl=https://github.com/$repo/releases/download/v$version
curl --silent -L -O $baseUrl/SHA256SUMS.txt
curl --silent -L -O $baseUrl/SHA256SUMS.txt.asc
# Import key
gpg --homedir $GPG_HOME --import "$scriptDir/key-jonasnick.bin" &> /dev/null
# Verify key fingerprint
gpg --homedir $GPG_HOME --list-keys 36C71A37C9D988BDE82508D9B1A70E4F8DCD0366 > /dev/null
# Verify signature for SHA256SUMS.txt
gpg --homedir $GPG_HOME --verify SHA256SUMS.txt.asc &> /dev/null || {
echo "Error: Signature verification failed. Please open an issue in the project repository."
exit 1
}
sha256=$(cat SHA256SUMS.txt | cut -d\ -f1)
cat <<EOF
{
url = "$baseUrl/nix-bitcoin-$version.tar.gz";
sha256 = "$sha256";
}
EOF