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107 lines
3.8 KiB
Bash
107 lines
3.8 KiB
Bash
5 years ago
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#!/usr/bin/env bash
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# vim:ts=4:sts=4:sw=4:et
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#
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# Author: Hari Sekhon
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# Date: Sun Sep 9 21:20:49 2012 +0100
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#
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# https://github.com/harisekhon/bash-tools
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#
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# License: see accompanying Hari Sekhon LICENSE file
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#
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# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
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#
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# https://www.linkedin.com/in/harisekhon
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#
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# ============================================================================ #
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# J a v a
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# ============================================================================ #
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srcdir="${srcdir:-$(dirname "${BASH_SOURCE[0]}")/..}"
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# shellcheck disable=SC1090
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. "$srcdir/.bash.d/os_detection.sh"
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if [ -n "${APPLE:-}" ]; then
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mac_export_java_home(){
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local version="$1"
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local args
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local java_home
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local java_library_base="/Library/Java/JavaVirtualMachines"
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local java_home_variable="JAVA_HOME"
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# for cross compiling to be found by gradle build
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if [ -n "$version" ]; then
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args="-v 1.$version"
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java_home_variable="JAVA${version}_HOME"
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fi
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if [ -x /usr/libexec/java_home ]; then
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# want arg splutting
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# shellcheck disable=SC2086
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java_home="$(/usr/libexec/java_home $args 2>/dev/null)"
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# $? is fine here thanks shellcheck
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# shellcheck disable=SC2181
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if [ $? -eq 0 ] && [ -d "$java_home" ]; then
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export "$java_home_variable"="$java_home"
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if [ -n "$DEBUG" ]; then
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echo "Determined $java_home_variable from /usr/libexec/java_home to be '$java_home', update ~/.bashrc to optimize by setting this explicitly" >&2
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fi
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fi
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else
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## java_home=/Library/Java/JavaVirtualMachines/jdk1.7.0_45.jdk/Contents/Home
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## JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Home
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## JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Versions/Current/Home
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## JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Versions/1.6/Home
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java_home="$(find "$java_library_base/"*1."$version"* -type d -name 'Home*' 2>/dev/null | tail -n1)"
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if [ -d "$java_home" ]; then
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export "$java_home_variable"="$java_home"
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if [ -n "$DEBUG" ]; then
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echo "Determined $java_home_variable from searching $java_library_base to be '$java_home', update ~/.bashrc to optimize by setting this explicitly" >&2
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fi
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fi
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fi
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}
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if [ -z "$JAVA_HOME" ]; then
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mac_export_java_home
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mac_export_java_home 7
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fi
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else # assume Linux
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#hardware_platform="$(uname -i)"
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# prefers Sun's JDK than OpenJDK, put it higher in the testing list
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# Sun's JRE
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# Sun's JDK
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# Open JDK
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# TODO: update / improve this for more recent linux desktops for those who still use them
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# for candidate in \
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# /usr/java/latest/jre \
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# /usr/java/latest/ \
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# /usr/lib/jvm/jre-openjdk \
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# /usr/lib/jvm/java-6-openjdk-$hardware_platform \
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# ; do
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# if [ -x "$candidate/bin/java" ]; then
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# JAVA_HOME="$candidate"
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# break
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# fi
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# done
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if [ -z "$JAVA_HOME" ]; then
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if [ -n "$DEBUG" ]; then
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echo "WARNING: failed to find JAVA_HOME" >&2
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fi
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# last ditch effort, this will work with warnings
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if [ -x /usr/bin/java ]; then
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JAVA_HOME=/usr
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fi
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fi
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export JAVA_HOME
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fi
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export CLASSPATH="$CLASSPATH:$HOME/bin/java"
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j(){
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for x in "$@"; do
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echo "javac $x" &&
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javac "$x" &&
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echo "java ${x%.java} $x" &&
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java "${x%.java}" "$x"
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done
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}
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