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| 1 | +#!/usr/bin/env sh |
| 2 | + |
| 3 | +set -e |
| 4 | + |
| 5 | +if [ -z "${DEFAULT_MILL_VERSION}" ] ; then DEFAULT_MILL_VERSION="1.1.6-20-5bb57d"; fi |
| 6 | + |
| 7 | +if [ -z "${GITHUB_RELEASE_CDN}" ] ; then GITHUB_RELEASE_CDN=""; fi |
| 8 | + |
| 9 | +if [ -z "$MILL_MAIN_CLI" ] ; then MILL_MAIN_CLI="${0}"; fi |
| 10 | + |
| 11 | +MILL_REPO_URL="https://github.com/com-lihaoyi/mill" |
| 12 | + |
| 13 | +MILL_BUILD_SCRIPT="" |
| 14 | + |
| 15 | +if [ -f "build.mill" ] ; then |
| 16 | + MILL_BUILD_SCRIPT="build.mill" |
| 17 | +elif [ -f "build.mill.scala" ] ; then |
| 18 | + MILL_BUILD_SCRIPT="build.mill.scala" |
| 19 | +elif [ -f "build.sc" ] ; then |
| 20 | + MILL_BUILD_SCRIPT="build.sc" |
| 21 | +fi |
| 22 | + |
| 23 | +# `s/.*://`: |
| 24 | +# This is a greedy match that removes everything from the beginning of the line up to (and including) the last |
| 25 | +# colon (:). This effectively isolates the value part of the declaration. |
| 26 | +# |
| 27 | +# `s/#.*//`: |
| 28 | +# This removes any comments at the end of the line. |
| 29 | +# |
| 30 | +# `s/['\"]//g`: |
| 31 | +# This removes all single and double quotes from the string, wherever they appear (g is for "global"). |
| 32 | +# |
| 33 | +# `s/^[[:space:]]*//; s/[[:space:]]*$//`: |
| 34 | +# These two expressions trim any leading or trailing whitespace ([[:space:]] matches spaces and tabs). |
| 35 | +TRIM_VALUE_SED="s/.*://; s/#.*//; s/['\"]//g; s/^[[:space:]]*//; s/[[:space:]]*$//" |
| 36 | + |
| 37 | +if [ -z "${MILL_VERSION}" ] ; then |
| 38 | + if [ -f ".mill-version" ] ; then |
| 39 | + MILL_VERSION="$(tr '\r' '\n' < .mill-version | head -n 1 2> /dev/null)" |
| 40 | + elif [ -f ".config/mill-version" ] ; then |
| 41 | + MILL_VERSION="$(tr '\r' '\n' < .config/mill-version | head -n 1 2> /dev/null)" |
| 42 | + elif [ -f "build.mill.yaml" ] ; then |
| 43 | + MILL_VERSION="$(grep -E "mill-version:" "build.mill.yaml" | sed -E "$TRIM_VALUE_SED")" |
| 44 | + elif [ -n "${MILL_BUILD_SCRIPT}" ] ; then |
| 45 | + MILL_VERSION="$(grep -E "//\|.*mill-version" "${MILL_BUILD_SCRIPT}" | sed -E "$TRIM_VALUE_SED")" |
| 46 | + fi |
| 47 | +fi |
| 48 | + |
| 49 | +if [ -z "${MILL_VERSION}" ] ; then MILL_VERSION="${DEFAULT_MILL_VERSION}"; fi |
| 50 | + |
| 51 | +MILL_USER_CACHE_DIR="${XDG_CACHE_HOME:-${HOME}/.cache}/mill" |
| 52 | + |
| 53 | +if [ -z "${MILL_FINAL_DOWNLOAD_FOLDER}" ] ; then MILL_FINAL_DOWNLOAD_FOLDER="${MILL_USER_CACHE_DIR}/download"; fi |
| 54 | + |
| 55 | +MILL_NATIVE_SUFFIX="-native" |
| 56 | +MILL_JVM_SUFFIX="-jvm" |
| 57 | +ARTIFACT_SUFFIX="" |
| 58 | + |
| 59 | +# Check if GLIBC version is at least the required version |
| 60 | +# Returns 0 (true) if GLIBC >= required version, 1 (false) otherwise |
| 61 | +check_glibc_version() { |
| 62 | + required_version="2.39" |
| 63 | + required_major=$(echo "$required_version" | cut -d. -f1) |
| 64 | + required_minor=$(echo "$required_version" | cut -d. -f2) |
| 65 | + # Get GLIBC version from ldd --version (first line contains version like "ldd (GNU libc) 2.31") |
| 66 | + glibc_version=$(ldd --version 2>/dev/null | head -n 1 | grep -oE '[0-9]+\.[0-9]+$' || echo "") |
| 67 | + if [ -z "$glibc_version" ]; then |
| 68 | + # If we can't determine GLIBC version, assume it's too old |
| 69 | + return 1 |
| 70 | + fi |
| 71 | + glibc_major=$(echo "$glibc_version" | cut -d. -f1) |
| 72 | + glibc_minor=$(echo "$glibc_version" | cut -d. -f2) |
| 73 | + if [ "$glibc_major" -gt "$required_major" ]; then |
| 74 | + return 0 |
| 75 | + elif [ "$glibc_major" -eq "$required_major" ] && [ "$glibc_minor" -ge "$required_minor" ]; then |
| 76 | + return 0 |
| 77 | + else |
| 78 | + return 1 |
| 79 | + fi |
| 80 | +} |
| 81 | + |
| 82 | +set_artifact_suffix() { |
| 83 | + if [ "$(uname -s 2>/dev/null | cut -c 1-5)" = "Linux" ]; then |
| 84 | + # Native binaries require new enough GLIBC; fall back to JVM launcher if older |
| 85 | + if ! check_glibc_version; then |
| 86 | + return |
| 87 | + fi |
| 88 | + if [ "$(uname -m)" = "aarch64" ]; then ARTIFACT_SUFFIX="-native-linux-aarch64" |
| 89 | + else ARTIFACT_SUFFIX="-native-linux-amd64"; fi |
| 90 | + elif [ "$(uname)" = "Darwin" ]; then |
| 91 | + if [ "$(uname -m)" = "arm64" ]; then ARTIFACT_SUFFIX="-native-mac-aarch64" |
| 92 | + else ARTIFACT_SUFFIX="-native-mac-amd64"; fi |
| 93 | + else |
| 94 | + echo "This native mill launcher supports only Linux and macOS." 1>&2 |
| 95 | + exit 1 |
| 96 | + fi |
| 97 | +} |
| 98 | + |
| 99 | +case "$MILL_VERSION" in |
| 100 | + *"$MILL_NATIVE_SUFFIX") |
| 101 | + MILL_VERSION=${MILL_VERSION%"$MILL_NATIVE_SUFFIX"} |
| 102 | + set_artifact_suffix |
| 103 | + ;; |
| 104 | + |
| 105 | + *"$MILL_JVM_SUFFIX") |
| 106 | + MILL_VERSION=${MILL_VERSION%"$MILL_JVM_SUFFIX"} |
| 107 | + ;; |
| 108 | + |
| 109 | + *) |
| 110 | + case "$MILL_VERSION" in |
| 111 | + 0.1.* | 0.2.* | 0.3.* | 0.4.* | 0.5.* | 0.6.* | 0.7.* | 0.8.* | 0.9.* | 0.10.* | 0.11.* | 0.12.*) |
| 112 | + ;; |
| 113 | + *) |
| 114 | + set_artifact_suffix |
| 115 | + ;; |
| 116 | + esac |
| 117 | + ;; |
| 118 | +esac |
| 119 | + |
| 120 | +MILL="${MILL_FINAL_DOWNLOAD_FOLDER}/$MILL_VERSION$ARTIFACT_SUFFIX" |
| 121 | + |
| 122 | +# If not already downloaded, download it |
| 123 | +if [ ! -s "${MILL}" ] || [ "$MILL_TEST_DRY_RUN_LAUNCHER_SCRIPT" = "1" ] ; then |
| 124 | + case $MILL_VERSION in |
| 125 | + 0.0.* | 0.1.* | 0.2.* | 0.3.* | 0.4.*) |
| 126 | + MILL_DOWNLOAD_SUFFIX="" |
| 127 | + MILL_DOWNLOAD_FROM_MAVEN=0 |
| 128 | + ;; |
| 129 | + 0.5.* | 0.6.* | 0.7.* | 0.8.* | 0.9.* | 0.10.* | 0.11.0-M*) |
| 130 | + MILL_DOWNLOAD_SUFFIX="-assembly" |
| 131 | + MILL_DOWNLOAD_FROM_MAVEN=0 |
| 132 | + ;; |
| 133 | + *) |
| 134 | + MILL_DOWNLOAD_SUFFIX="-assembly" |
| 135 | + MILL_DOWNLOAD_FROM_MAVEN=1 |
| 136 | + ;; |
| 137 | + esac |
| 138 | + case $MILL_VERSION in |
| 139 | + 0.12.0 | 0.12.1 | 0.12.2 | 0.12.3 | 0.12.4 | 0.12.5 | 0.12.6 | 0.12.7 | 0.12.8 | 0.12.9 | 0.12.10 | 0.12.11) |
| 140 | + MILL_DOWNLOAD_EXT="jar" |
| 141 | + ;; |
| 142 | + 0.12.*) |
| 143 | + MILL_DOWNLOAD_EXT="exe" |
| 144 | + ;; |
| 145 | + 0.*) |
| 146 | + MILL_DOWNLOAD_EXT="jar" |
| 147 | + ;; |
| 148 | + *) |
| 149 | + MILL_DOWNLOAD_EXT="exe" |
| 150 | + ;; |
| 151 | + esac |
| 152 | + |
| 153 | + MILL_TEMP_DOWNLOAD_FILE="${MILL_OUTPUT_DIR:-out}/mill-temp-download" |
| 154 | + mkdir -p "$(dirname "${MILL_TEMP_DOWNLOAD_FILE}")" |
| 155 | + |
| 156 | + if [ "$MILL_DOWNLOAD_FROM_MAVEN" = "1" ] ; then |
| 157 | + MILL_DOWNLOAD_URL="https://repo1.maven.org/maven2/com/lihaoyi/mill-dist${ARTIFACT_SUFFIX}/${MILL_VERSION}/mill-dist${ARTIFACT_SUFFIX}-${MILL_VERSION}.${MILL_DOWNLOAD_EXT}" |
| 158 | + else |
| 159 | + MILL_VERSION_TAG=$(echo "$MILL_VERSION" | sed -E 's/([^-]+)(-M[0-9]+)?(-.*)?/\1\2/') |
| 160 | + MILL_DOWNLOAD_URL="${GITHUB_RELEASE_CDN}${MILL_REPO_URL}/releases/download/${MILL_VERSION_TAG}/${MILL_VERSION}${MILL_DOWNLOAD_SUFFIX}" |
| 161 | + unset MILL_VERSION_TAG |
| 162 | + fi |
| 163 | + |
| 164 | + |
| 165 | + if [ "$MILL_TEST_DRY_RUN_LAUNCHER_SCRIPT" = "1" ] ; then |
| 166 | + echo "$MILL_DOWNLOAD_URL" |
| 167 | + echo "$MILL" |
| 168 | + exit 0 |
| 169 | + fi |
| 170 | + |
| 171 | + echo "Downloading mill ${MILL_VERSION} from ${MILL_DOWNLOAD_URL} ..." 1>&2 |
| 172 | + curl -f -L -o "${MILL_TEMP_DOWNLOAD_FILE}" "${MILL_DOWNLOAD_URL}" |
| 173 | + |
| 174 | + chmod +x "${MILL_TEMP_DOWNLOAD_FILE}" |
| 175 | + |
| 176 | + mkdir -p "${MILL_FINAL_DOWNLOAD_FOLDER}" |
| 177 | + mv "${MILL_TEMP_DOWNLOAD_FILE}" "${MILL}" |
| 178 | + |
| 179 | + unset MILL_TEMP_DOWNLOAD_FILE |
| 180 | + unset MILL_DOWNLOAD_SUFFIX |
| 181 | +fi |
| 182 | + |
| 183 | +MILL_FIRST_ARG="" |
| 184 | +if [ "$1" = "--bsp" ] || [ "${1#"-i"}" != "$1" ] || [ "$1" = "--interactive" ] || [ "$1" = "--no-server" ] || [ "$1" = "--no-daemon" ] || [ "$1" = "--help" ] ; then |
| 185 | + # Need to preserve the first position of those listed options |
| 186 | + MILL_FIRST_ARG=$1 |
| 187 | + shift |
| 188 | +fi |
| 189 | + |
| 190 | +unset MILL_FINAL_DOWNLOAD_FOLDER |
| 191 | +unset MILL_OLD_DOWNLOAD_PATH |
| 192 | +unset OLD_MILL |
| 193 | +unset MILL_VERSION |
| 194 | +unset MILL_REPO_URL |
| 195 | + |
| 196 | +# -D mill.main.cli is for compatibility with Mill 0.10.9 - 0.13.0-M2 |
| 197 | +# We don't quote MILL_FIRST_ARG on purpose, so we can expand the empty value without quotes |
| 198 | +# shellcheck disable=SC2086 |
| 199 | +exec "${MILL}" $MILL_FIRST_ARG -D "mill.main.cli=${MILL_MAIN_CLI}" "$@" |
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