#! /usr/bin/env nix-shell
#! nix-shell -i bash -p git gnupg
set -euo pipefail

TMPDIR="$(mktemp -d -p /tmp)"
trap "rm -rf $TMPDIR" EXIT
cd $TMPDIR

echo "Fetching latest release"
git clone https://github.com/simplexum/python-bitcointx 2> /dev/null
cd python-bitcointx
latest=python-bitcointx-v1.1.3
echo "Latest release is ${latest}"

# GPG verification
export GNUPGHOME=$TMPDIR
echo "Fetching Dimitry Pethukov's Key"
gpg --keyserver hkps://keyserver.ubuntu.com --recv-keys B17A35BBA187395784E2A6B32301D26BDC15160D 2> /dev/null
echo "Verifying latest release"
git verify-commit ${latest}

echo "tag: ${latest}"
# The prefix option is necessary because GitHub prefixes the archive contents in this format
echo "sha256: $(git archive --format tar.gz --prefix=python-bitcointx-"${latest}"/ ${latest} | sha256sum | cut -d\  -f1)"