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‎.github/workflows/launchers.yml‎

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name: Launchers
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on:
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push:
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branches:
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- master
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pull_request:
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jobs:
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generate-launchers:
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runs-on: ${{ matrix.os }}
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strategy:
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fail-fast: false
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matrix:
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os: [ubuntu-latest, windows-2016, macos-latest]
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steps:
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- uses: actions/checkout@v2
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with:
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fetch-depth: 0
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submodules: true
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- uses: coursier/[email protected]
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- uses: coursier/setup-action@v1
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with:
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jvm: 8
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- run: |
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./mill -i "native.writeNativeImageScript" generate.sh && \
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./generate.sh && \
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./mill -i "native.copyToArtifacts" artifacts/
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if: runner.os != 'Windows'
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- run: |
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@call ./mill.bat -i "native.writeNativeImageScript" generate.bat
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@call generate.bat
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@call ./mill.bat -i "native.copyToArtifacts" artifacts/
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shell: cmd
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if: runner.os == 'Windows'
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- uses: actions/[email protected]
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with:
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name: launcher-${{ matrix.os }}
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path: artifacts/
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if-no-files-found: error
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retention-days: 1
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- run: ./mill -i upload artifacts/
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if: github.event_name == 'push'
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env:
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UPLOAD_GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

‎.gitignore‎

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out/

‎.mill-jvm-opts‎

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-Xmx256m
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-Xms128m

‎.mill-version‎

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0.9.8

‎build.sc‎

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import $ivy.`io.github.alexarchambault.mill::mill-native-image_mill0.9:0.1.10`
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import $ivy.`io.github.alexarchambault.mill::mill-native-image-upload:0.1.10`
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import io.github.alexarchambault.millnativeimage.NativeImage
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import io.github.alexarchambault.millnativeimage.upload.Upload
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import mill._
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import mill.scalalib._
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def scalafmtVersion = "3.0.0"
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object native extends ScalaModule with NativeImage {
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def scalaVersion = "2.13.6"
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def nativeImagePersist = System.getenv("CI") != null
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def nativeImageGraalVmJvmId = "graalvm-java11:21.2.0"
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def nativeImageName = "scalafmt"
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def ivyDeps = super.ivyDeps() ++ Seq(
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ivy"org.scalameta::scalafmt-cli:$scalafmtVersion"
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)
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def nativeImageClassPath = T{
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runClasspath()
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}
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def nativeImageMainClass = "org.scalafmt.cli.Cli"
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def copyToArtifacts(directory: String = "artifacts/") = T.command {
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val _ = Upload.copyLauncher(
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nativeImage().path,
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directory,
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s"scalafmt-$scalafmtVersion",
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compress = true
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)
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}
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}
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def upload(directory: String = "artifacts/") = T.command {
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val version = scalafmtVersion
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val path = os.Path(directory, os.pwd)
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val launchers = os.list(path).filter(os.isFile(_)).map { path =>
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path.toNIO -> path.last
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}
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val ghToken = Option(System.getenv("UPLOAD_GH_TOKEN")).getOrElse {
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sys.error("UPLOAD_GH_TOKEN not set")
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}
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val (tag, overwriteAssets) = ("launchers", false)
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Upload.upload("alexarchambault", "scalafmt-native-image", ghToken, tag, dryRun = false, overwrite = overwriteAssets)(launchers: _*)
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}

‎mill‎

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#!/usr/bin/env sh
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# This is a wrapper script, that automatically download mill from GitHub release pages
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# You can give the required mill version with --mill-version parameter
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# If no version is given, it falls back to the value of DEFAULT_MILL_VERSION
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#
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# Project page: https://github.com/lefou/millw
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#
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# If you want to improve this script, please also contribute your changes back!
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#
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# Licensed under the Apache License, Version 2.0
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DEFAULT_MILL_VERSION=0.9.5
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set -e
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MILL_REPO_URL="https://github.com/com-lihaoyi/mill"
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# Explicit commandline argument takes precedence over all other methods
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if [ "x$1" = "x--mill-version" ] ; then
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shift
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if [ "x$1" != "x" ] ; then
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MILL_VERSION="$1"
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shift
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else
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echo "You specified --mill-version without a version."
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echo "Please provide a version that matches one provided on"
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echo "${MILL_REPO_URL}/releases"
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false
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fi
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fi
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# Please note, that if a MILL_VERSION is already set in the environment,
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# We reuse it's value and skip searching for a value.
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# If not already set, read .mill-version file
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if [ "x${MILL_VERSION}" = "x" ] ; then
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if [ -f ".mill-version" ] ; then
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MILL_VERSION="$(head -n 1 .mill-version 2> /dev/null)"
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fi
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fi
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if [ "x${XDG_CACHE_HOME}" != "x" ] ; then
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MILL_DOWNLOAD_PATH="${XDG_CACHE_HOME}/mill/download"
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else
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MILL_DOWNLOAD_PATH="${HOME}/.cache/mill/download"
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fi
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# If not already set, try to fetch newest from Github
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if [ "x${MILL_VERSION}" = "x" ] ; then
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# TODO: try to load latest version from release page
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echo "No mill version specified."
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echo "You should provide a version via '.mill-version' file or --mill-version option."
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mkdir -p "${MILL_DOWNLOAD_PATH}"
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LANG=C touch -d '1 hour ago' "${MILL_DOWNLOAD_PATH}/.expire_latest"
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if [ "${MILL_DOWNLOAD_PATH}/.latest" -nt "${MILL_DOWNLOAD_PATH}/.expire_latest" ] ; then
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# we know a current latest version
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MILL_VERSION="$(head -n 1 ${MILL_DOWNLOAD_PATH}/.latest 2> /dev/null)"
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fi
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if [ "x${MILL_VERSION}" = "x" ] ; then
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# we don't know a current latest version
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echo "Retrieving latest mill version ..."
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LANG=C curl -s -i -f -I ${MILL_REPO_URL}/releases/latest 2> /dev/null | grep --ignore-case Location: | sed s'/^.*tag\///' | tr -d '\r\n' > "${MILL_DOWNLOAD_PATH}/.latest"
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MILL_VERSION="$(head -n 1 ${MILL_DOWNLOAD_PATH}/.latest 2> /dev/null)"
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fi
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if [ "x${MILL_VERSION}" = "x" ] ; then
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# Last resort
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MILL_VERSION="${DEFAULT_MILL_VERSION}"
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echo "Falling back to hardcoded mill version ${MILL_VERSION}"
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else
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echo "Using mill version ${MILL_VERSION}"
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fi
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fi
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MILL="${MILL_DOWNLOAD_PATH}/${MILL_VERSION}"
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# If not already downloaded, download it
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if [ ! -s "${MILL}" ] ; then
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# support old non-XDG download dir
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MILL_OLD_DOWNLOAD_PATH="${HOME}/.mill/download"
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OLD_MILL="${MILL_OLD_DOWNLOAD_PATH}/${MILL_VERSION}"
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if [ -x "${OLD_MILL}" ] ; then
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MILL="${OLD_MILL}"
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else
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VERSION_PREFIX="$(echo -n $MILL_VERSION | cut -b -4)"
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case $VERSION_PREFIX in
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0.0. | 0.1. | 0.2. | 0.3. | 0.4. )
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DOWNLOAD_SUFFIX=""
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;;
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*)
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DOWNLOAD_SUFFIX="-assembly"
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;;
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esac
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unset VERSION_PREFIX
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DOWNLOAD_FILE=$(mktemp mill.XXXX)
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# TODO: handle command not found
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echo "Downloading mill ${MILL_VERSION} from ${MILL_REPO_URL}/releases ..."
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curl -L -o "${DOWNLOAD_FILE}" "${MILL_REPO_URL}/releases/download/${MILL_VERSION%%-*}/${MILL_VERSION}${DOWNLOAD_SUFFIX}"
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chmod +x "${DOWNLOAD_FILE}"
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mkdir -p "${MILL_DOWNLOAD_PATH}"
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mv "${DOWNLOAD_FILE}" "${MILL}"
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unset DOWNLOAD_FILE
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unset DOWNLOAD_SUFFIX
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fi
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fi
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unset MILL_DOWNLOAD_PATH
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unset MILL_OLD_DOWNLOAD_PATH
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unset OLD_MILL
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unset MILL_VERSION
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unset MILL_REPO_URL
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exec $MILL "$@"

‎mill.bat‎

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@echo off
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rem This is a wrapper script, that automatically download mill from GitHub release pages
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rem You can give the required mill version with --mill-version parameter
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rem If no version is given, it falls back to the value of DEFAULT_MILL_VERSION
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rem
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rem Project page: https://github.com/lefou/millw
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rem
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rem If you want to improve this script, please also contribute your changes back!
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rem
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rem Licensed under the Apache License, Version 2.0
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rem setlocal seems to be unavailable on Windows 95/98/ME
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rem but I don't think we need to support them in 2019
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setlocal enabledelayedexpansion
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set "DEFAULT_MILL_VERSION=0.9.5"
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set "MILL_REPO_URL=https://github.com/com-lihaoyi/mill"
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rem %~1% removes surrounding quotes
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if [%~1%]==[--mill-version] (
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rem shift command doesn't work within parentheses
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if not [%~2%]==[] (
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set MILL_VERSION=%~2%
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set "STRIP_VERSION_PARAMS=true"
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) else (
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echo You specified --mill-version without a version.
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echo Please provide a version that matches one provided on
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echo %MILL_REPO_URL%/releases
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exit /b 1
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)
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)
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if [!MILL_VERSION!]==[] (
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if exist .mill-version (
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set /p MILL_VERSION=<.mill-version
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)
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)
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if [!MILL_VERSION!]==[] (
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set MILL_VERSION=%DEFAULT_MILL_VERSION%
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)
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set MILL_DOWNLOAD_PATH=%USERPROFILE%\.mill\download
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rem without bat file extension, cmd doesn't seem to be able to run it
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set MILL=%MILL_DOWNLOAD_PATH%\!MILL_VERSION!.bat
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if not exist "%MILL%" (
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set VERSION_PREFIX=%MILL_VERSION:~0,4%
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set DOWNLOAD_SUFFIX=-assembly
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if [!VERSION_PREFIX!]==[0.0.] set DOWNLOAD_SUFFIX=
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if [!VERSION_PREFIX!]==[0.1.] set DOWNLOAD_SUFFIX=
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if [!VERSION_PREFIX!]==[0.2.] set DOWNLOAD_SUFFIX=
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if [!VERSION_PREFIX!]==[0.3.] set DOWNLOAD_SUFFIX=
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if [!VERSION_PREFIX!]==[0.4.] set DOWNLOAD_SUFFIX=
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set VERSION_PREFIX=
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for /F "delims=-" %%A in ("!MILL_VERSION!") do (
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set MILL_BASE_VERSION=%%A
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)
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rem there seems to be no way to generate a unique temporary file path (on native Windows)
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set DOWNLOAD_FILE=%MILL%.tmp
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set DOWNLOAD_URL=%MILL_REPO_URL%/releases/download/!MILL_BASE_VERSION!/!MILL_VERSION!!DOWNLOAD_SUFFIX!
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echo Downloading mill %MILL_VERSION% from %MILL_REPO_URL%/releases ...
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if not exist "%MILL_DOWNLOAD_PATH%" mkdir "%MILL_DOWNLOAD_PATH%"
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rem curl is bundled with recent Windows 10
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rem but I don't think we can expect all the users to have it in 2019
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where /Q curl
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if %ERRORLEVEL% EQU 0 (
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curl -L "!DOWNLOAD_URL!" -o "!DOWNLOAD_FILE!"
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) else (
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rem bitsadmin seems to be available on Windows 7
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rem without /dynamic, github returns 403
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rem bitsadmin is sometimes needlessly slow but it looks better with /priority foreground
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bitsadmin /transfer millDownloadJob /dynamic /priority foreground "!DOWNLOAD_URL!" "!DOWNLOAD_FILE!"
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)
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if not exist "!DOWNLOAD_FILE!" (
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echo Could not download mill %MILL_VERSION%
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exit /b 1
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)
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move /y "!DOWNLOAD_FILE!" "%MILL%"
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set DOWNLOAD_FILE=
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set DOWNLOAD_SUFFIX=
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)
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set MILL_DOWNLOAD_PATH=
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set MILL_VERSION=
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set MILL_REPO_URL=
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set MILL_PARAMS=%*
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if defined STRIP_VERSION_PARAMS (
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for /f "tokens=1-2*" %%a in ("%*") do (
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rem strip %%a - It's the "--mill-version" option.
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rem strip %%b - it's the version number that comes after the option.
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rem keep %%c - It's the remaining options.
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set MILL_PARAMS=%%c
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)
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)
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"%MILL%" %MILL_PARAMS%

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