lemminx: fix update script

  jdk_headless,

  jre_minimal,

  maven,

  writeScript,

  lemminx,

  writeShellApplication,

  curl,

  pcre,

  common-updater-scripts,

  jq,

  gnused,

}:

let

  nativeBuildInputs = [ makeWrapper ];

  passthru.updateScript = writeScript "update-lemminx" ''

    #!/usr/bin/env nix-shell

    #!nix-shell -i bash -p curl pcre common-updater-scripts jq gnused

    set -eu -o pipefail

  passthru = {

    updateScript =

      let

        pkgFile = builtins.toString ./package.nix;

      in

      lib.getExe (writeShellApplication {

        name = "update-${pname}";

        runtimeInputs = [

          curl

          pcre

          common-updater-scripts

          jq

          gnused

        ];

        text = ''

          if [ -z "''${GITHUB_TOKEN:-}" ]; then

              echo "no GITHUB_TOKEN provided - you could meet API request limiting" >&2

          fi

    LATEST_TAG=$(curl https://api.github.com/repos/eclipse/lemminx/tags | \

          LATEST_TAG=$(curl -H "Accept: application/vnd.github+json" \

            ''${GITHUB_TOKEN:+-H "Authorization: bearer $GITHUB_TOKEN"} \

            -Lsf https://api.github.com/repos/${src.owner}/${src.repo}/tags | \

            jq -r '[.[] | select(.name | test("^[0-9]"))] | sort_by(.name | split(".") |

            map(tonumber)) | reverse | .[0].name')

    update-source-version lemminx "$LATEST_TAG"

    sed -i '0,/mvnHash *= *"[^"]*"/{s/mvnHash = "[^"]*"/mvnHash = ""/}' ${lemminx}

          update-source-version ${pname} "$LATEST_TAG"

          sed -i '0,/mvnHash *= *"[^"]*"/{s/mvnHash = "[^"]*"/mvnHash = ""/}' ${pkgFile}

          echo -e "\nFetching all mvn dependencies to calculate the mvnHash. This may take a while ..."

    nix-build -A lemminx.fetchedMavenDeps 2> lemminx-stderr.log || true

          nix-build -A ${pname}.fetchedMavenDeps 2> ${pname}-stderr.log || true

    NEW_MVN_HASH=$(cat lemminx-stderr.log | grep "got:" | awk '{print ''$2}')

    rm lemminx-stderr.log

          NEW_MVN_HASH=$(grep "got:" ${pname}-stderr.log | awk '{print ''$2}')

          rm ${pname}-stderr.log

          # escaping double quotes looks ugly but is needed for variable substitution

          # use # instead of / as separator because the sha256 might contain the / character

    sed -i "0,/mvnHash *= *\"[^\"]*\"/{s#mvnHash = \"[^\"]*\"#mvnHash = \"$NEW_MVN_HASH\"#}" ${lemminx}

          sed -i "0,/mvnHash *= *\"[^\"]*\"/{s#mvnHash = \"[^\"]*\"#mvnHash = \"$NEW_MVN_HASH\"#}" ${pkgFile}

        '';

      });

  };

  meta = with lib; {

    description = "XML Language Server";