/
migec
executable file
·144 lines (119 loc) · 2.94 KB
/
migec
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#!/bin/bash
java="java"
sedString="s/.*1\.\(.*\)\..*/\1/"
jVersion=$($java -version 2>&1 | grep version | awk '{ print $3 }' | sed $sedString)
if [[ $jVersion -lt 7 ]];
then
echo "Wrong java version. Please use Java 7 or higher."
exit 1
fi
# Linux readlink -f alternative for Mac OS X
function readlinkUniversal() {
targetFile=$1
cd `dirname $targetFile`
targetFile=`basename $targetFile`
# iterate down a (possible) chain of symlinks
while [ -L "$targetFile" ]
do
targetFile=`readlink $targetFile`
cd `dirname $targetFile`
targetFile=`basename $targetFile`
done
# compute the canonicalized name by finding the physical path
# for the directory we're in and appending the target file.
phys_dir=`pwd -P`
result=$phys_dir/$targetFile
echo $result
}
os=`uname`
delta=100
dir=""
case $os in
Darwin)
freeBlocks=$(vm_stat | grep free | awk '{ print $3 }' | sed 's/\.//')
inactiveBlocks=$(vm_stat | grep inactive | awk '{ print $3 }' | sed 's/\.//')
speculativeBlocks=$(vm_stat | grep speculative | awk '{ print $3 }' | sed 's/\.//')
freeMb=$((($freeBlocks+$speculativeBlocks)*4096/1048576))
inactiveMb=$(($inactiveBlocks*4096/1048576))
maxMb=$((($freeMb+$inactiveMb-$delta)))
dir=$(dirname "$(readlinkUniversal "$0")")
;;
Linux)
rFreeMb=$(free -m | grep Mem | awk '{ print $4 }')
maxMb=$(($rFreeMb-$delta))
dir="$(dirname "$(readlink -f "$0")")"
;;
*)
echo "Unknown OS."
exit 1
;;
esac
migec=${dir}/migec
migecArgs=()
javaArgs=()
needXmxXms=true
otherJar=""
while [[ $# > 0 ]]
do
key="$1"
shift
case $key in
-D*|-X*|-ea|-agentlib*)
javaArgs+=(${key})
case $key in
-Xmx*|-Xms*)
needXmxXms=false
;;
esac
;;
-jar|-V)
otherJar="$1"
shift
;;
*)
migecArgs+=("${key}")
;;
esac
done
if [[ ${needXmxXms} == true ]]
then
targetXmx=12000
if [[ $targetXmx -gt $maxMb ]];
then
targetXmx=$maxMb
fi
javaArgs+=("-Xmx${targetXmx}m")
targetXms=$((${targetXmx}*2/3))
if [[ $targetXms -lt 2000 ]];
then
targetXms=$targetXmx
fi
javaArgs+=("-Xms${targetXms}m")
fi
jar=""
if [[ -z "$otherJar" ]];
then
for j in "$dir/../jar/migec-1.2.9.jar" "$dir/migec-1.2.9.jar" $(ls -d -1 $dir/target/* 2> /dev/null | grep distribution.jar)
do
if [[ -e "$j" ]];
then
jar=$j
break
fi
done
else
for j in $(ls -1 ${dir}/* | grep "migec" | grep ".jar" | grep ${otherJar});
do
if [[ -e "$j" ]];
then
jar=$j
break
fi
done
fi
if [[ "$jar" == "" ]];
then
echo "No jar."
exit 1
fi
$java -XX:+AggressiveOpts "${javaArgs[@]}" -jar $jar "${migecArgs[@]}"