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      1 #!/bin/bash
      2 #
      3 # Copyright (C) 2012 The Android Open Source Project
      4 #
      5 # Licensed under the Apache License, Version 2.0 (the "License");
      6 # you may not use this file except in compliance with the License.
      7 # You may obtain a copy of the License at
      8 #
      9 #     http://www.apache.org/licenses/LICENSE-2.0
     10 #
     11 # Unless required by applicable law or agreed to in writing, software
     12 # distributed under the License is distributed on an "AS IS" BASIS,
     13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14 # See the License for the specific language governing permissions and
     15 # limitations under the License.
     16 
     17 # Set up prog to be the path of this script, including following symlinks,
     18 # and set up progdir to be the fully-qualified pathname of its directory.
     19 prog="$0"
     20 while [ -h "${prog}" ]; do
     21     newProg=`/bin/ls -ld "${prog}"`
     22     newProg=`expr "${newProg}" : ".* -> \(.*\)$"`
     23     if expr "x${newProg}" : 'x/' >/dev/null; then
     24         prog="${newProg}"
     25     else
     26         progdir=`dirname "${prog}"`
     27         prog="${progdir}/${newProg}"
     28     fi
     29 done
     30 oldwd=`pwd`
     31 progdir=`dirname "${prog}"`
     32 cd "${progdir}"
     33 progdir=`pwd`
     34 prog="${progdir}"/`basename "${prog}"`
     35 cd "${oldwd}"
     36 
     37 jarfile=dx.jar
     38 libdir="$progdir"
     39 
     40 if [ ! -r "$libdir/$jarfile" ]; then
     41     # set dx.jar location for the SDK case
     42     libdir=`dirname "$progdir"`/platform-tools/lib
     43 fi
     44 
     45 
     46 if [ ! -r "$libdir/$jarfile" ]; then
     47     # set dx.jar location for the Android tree case
     48     libdir=`dirname "$progdir"`/framework
     49 fi
     50 
     51 if [ ! -r "$libdir/$jarfile" ]; then
     52     echo `basename "$prog"`": can't find $jarfile"
     53     exit 1
     54 fi
     55 
     56 # By default, give dexmerger a max heap size of 1 gig. This can be overridden
     57 # by using a "-J" option (see below).
     58 defaultMx="-Xmx1024M"
     59 
     60 # The following will extract any initial parameters of the form
     61 # "-J<stuff>" from the command line and pass them to the Java
     62 # invocation (instead of to dexmerger). This makes it possible for you to add
     63 # a command-line parameter such as "-JXmx256M" in your scripts, for
     64 # example. "java" (with no args) and "java -X" give a summary of
     65 # available options.
     66 
     67 javaOpts=""
     68 
     69 while expr "x$1" : 'x-J' >/dev/null; do
     70     opt=`expr "x$1" : 'x-J\(.*\)'`
     71     javaOpts="${javaOpts} -${opt}"
     72     if expr "x${opt}" : "xXmx[0-9]" >/dev/null; then
     73         defaultMx="no"
     74     fi
     75     shift
     76 done
     77 
     78 if [ "${defaultMx}" != "no" ]; then
     79     javaOpts="${javaOpts} ${defaultMx}"
     80 fi
     81 
     82 if [ "$OSTYPE" = "cygwin" ]; then
     83     # For Cygwin, convert the jarfile path into native Windows style.
     84     jarpath=`cygpath -w "$libdir/$jarfile"`
     85 else
     86     jarpath="$libdir/$jarfile"
     87 fi
     88 
     89 exec java $javaOpts -cp "$jarpath" com.android.dx.merge.DexMerger "$@"
     90