nixpkgs/pkgs/development/libraries/rure/update.sh
2024-07-14 13:48:13 -04:00

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#!/usr/bin/env nix-shell
#! nix-shell -p nix jq curl cargo rsync
#! nix-shell -i bash
set -eu
cd "$(dirname "$0")"
crate=rure
echo "Getting latest version from crates.io API" >&2
curlOpts=(
-H "Accept: application/json"
-H "User-Agent: $crate update script (https://github.com/nixos/nixpkgs/)"
)
version="$(curl "${curlOpts[@]}" "https://crates.io/api/v1/crates/$crate" \
| jq -r .crate.max_stable_version)"
echo "Prefetching latest tarball from crates.io" >&2
url="https://crates.io/api/v1/crates/$crate/$version/download"
prefetch="$(nix-prefetch-url --print-path --type sha256 --unpack "$url")"
cat > pin.json <<EOF
{
"pname": "$crate",
"version": "$version",
"hash": "$(nix hash to-sri --type sha256 "$(printf '%s' "$prefetch" | head -n1)")"
}
EOF
echo "Generating updated Cargo.lock" >&2
tmp="$(mktemp -d)"
cleanup() {
echo "Removing $tmp" >&2
rm -rf "$tmp"
}
trap cleanup EXIT
rsync -a --chmod=ugo=rwX "$(printf '%s' "$prefetch" | tail -n1)/" "$tmp"
pushd "$tmp"
cargo update
popd
cp "$tmp/Cargo.lock" ./Cargo.lock