#!/usr/bin/env nix-shell
#! nix-shell -i bash -p nix-prefetch-git jq git git-lfs
WORK_DIR=$(mktemp -d)
URL=https://git.chir.rs/darkkirb/lotte-art
TARGET_DIR="$PWD"
function cleanup {
grep "fatal" $WORK_DIR/nix-prefetch-git.out >/dev/stderr || true
rm -rf "$WORK_DIR"
}
trap cleanup EXIT
echo "Fetching source code $REVISION from $URL"
JSON=$(nix-prefetch-git --url "$URL" --fetch-lfs 2> $WORK_DIR/nix-prefetch-git.out | grep -v "Git")
REVISION=$(echo $JSON | jq -r .rev)
SHA=$(echo $JSON | jq -r .sha256)
cat > source.nix << EOF
{fetchgit}:
fetchgit {
url = "$URL";
rev = "$REVISION";
sha256 = "$SHA";
fetchLFS = true;
EOF
