pkgs/development/libraries/rure/update.sh

   1 #!/usr/bin/env nix-shell
   2 #! nix-shell -p nix jq curl cargo rsync
   3 #! nix-shell -i bash
   4
   5 set -eu
   6
   7 cd "$(dirname "$0")"
   8
   9 crate=rure
  10
  11 echo "Getting latest version from crates.io API" >&2
  12
  13 curlOpts=(
  14   -H "Accept: application/json"
  15   -H "User-Agent: $crate update script (https://github.com/nixos/nixpkgs/)"
  16 )
  17
  18 version="$(curl "${curlOpts[@]}" "https://crates.io/api/v1/crates/$crate" \
  19   | jq -r .crate.max_stable_version)"
  20
  21 echo "Prefetching latest tarball from crates.io" >&2
  22
  23 url="https://crates.io/api/v1/crates/$crate/$version/download"
  24 prefetch="$(nix-prefetch-url --print-path --type sha256 --unpack "$url")"
  25
  26 cat > pin.json <<EOF
  27 {
  28   "pname": "$crate",
  29   "version": "$version",
  30   "sha256": "$(printf '%s' "$prefetch" | head -n1)"
  31 }
  32 EOF
  33
  34 echo "Generating updated Cargo.lock" >&2
  35
  36 tmp="$(mktemp -d)"
  37
  38 cleanup() {
  39   echo "Removing $tmp" >&2
  40   rm -rf "$tmp"
  41 }
  42
  43 trap cleanup EXIT
  44
  45 rsync -a --chmod=ugo=rwX "$(printf '%s' "$prefetch" | tail -n1)/" "$tmp"
  46
  47 pushd "$tmp"
  48 cargo update
  49 popd
  50
  51 cp "$tmp/Cargo.lock" ./Cargo.lock