49 lines
1.6 KiB
Bash
Executable file
49 lines
1.6 KiB
Bash
Executable file
#!/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 env variable
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# If no version is given, it falls back to the value of DEFAULT_MILL_VERSION
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DEFAULT_MILL_VERSION=0.9.5
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set -e
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if [ -z "$MILL_VERSION" ] ; then
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if [ -f ".mill-version" ] ; then
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MILL_VERSION="$(head -n 1 .mill-version 2> /dev/null)"
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elif [ -f "mill" ] && [ "$BASH_SOURCE" != "mill" ] ; then
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MILL_VERSION=$(grep -F "DEFAULT_MILL_VERSION=" "mill" | head -n 1 | cut -d= -f2)
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else
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MILL_VERSION=$DEFAULT_MILL_VERSION
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fi
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fi
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if [ "x${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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MILL_EXEC_PATH="${MILL_DOWNLOAD_PATH}/${MILL_VERSION}"
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version_remainder="$MILL_VERSION"
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MILL_MAJOR_VERSION="${version_remainder%%.*}"; version_remainder="${version_remainder#*.}"
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MILL_MINOR_VERSION="${version_remainder%%.*}"; version_remainder="${version_remainder#*.}"
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if [ ! -x "$MILL_EXEC_PATH" ] ; then
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mkdir -p $MILL_DOWNLOAD_PATH
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if [ "$MILL_MAJOR_VERSION" -gt 0 ] || [ "$MILL_MINOR_VERSION" -ge 5 ] ; then
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ASSEMBLY="-assembly"
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fi
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DOWNLOAD_FILE=$MILL_EXEC_PATH-tmp-download
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MILL_DOWNLOAD_URL="https://github.com/lihaoyi/mill/releases/download/${MILL_VERSION%%-*}/$MILL_VERSION${ASSEMBLY}"
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curl --fail -L -o "$DOWNLOAD_FILE" "$MILL_DOWNLOAD_URL"
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chmod +x "$DOWNLOAD_FILE"
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mv "$DOWNLOAD_FILE" "$MILL_EXEC_PATH"
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unset DOWNLOAD_FILE
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unset MILL_DOWNLOAD_URL
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fi
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unset MILL_DOWNLOAD_PATH
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unset MILL_VERSION
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exec $MILL_EXEC_PATH "$@"
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