126 lines
3.3 KiB
Bash
Executable File
126 lines
3.3 KiB
Bash
Executable File
#!/bin/sh
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#
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# Super-mega opticharger of doom
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# Shrinks apks by running pngcrush on png images
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#
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# Point APKCERTS at the full path to a generated apkcerts.txt file, such as:
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# /home/shade/dev/sources/android-cm-eclair/out/target/product/dream_sapphire/obj/PACKAGING/target_files_intermediates/cyanogen_dream_sapphire-target_files-eng.shade/META/apkcerts.txt
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#
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# cyanogen - shade@chemlab.org
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# ChrisSoyars - me@ctso.me
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OUT_TARGET_HOST=$(uname -a | grep Darwin)
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if [ -z "$OUT_TARGET_HOST" ]
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then
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OUT_TARGET_HOST=linux-x86
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else
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OUT_TARGET_HOST=darwin-x86
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fi
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set -e
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QUIET=1
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QFLAG=-q
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BASE=`pwd`
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TMPDIR=/tmp/opticharge-$$
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if [ "$APKCERTS" = "" ];
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then
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APKCERTS=$OUT/obj/PACKAGING/target_files_intermediates/$TARGET_PRODUCT-target_files-$TARGET_BUILD_VARIANT.$USER/META/apkcerts.txt
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if [ ! -f "$APKCERTS" ];
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then
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echo "Set APKCERTS to the path to your apkcerts.txt file"
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exit 1;
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fi
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fi
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if [ ! -f "$APKCERTS" ];
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then
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echo "Invalid path to apkcerts.txt, set APKCERTS to the correct path."
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fi
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if [ "`which pngcrush`" = "" ];
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then
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echo "Please install pngcrush"
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exit 1;
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fi
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if [ "`which aapt`" = "" ];
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then
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echo "Please ensure aapt is in your \$PATH"
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exit 1;
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fi
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if [ "`which zipalign`" = "" ];
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then
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echo "Please ensure zipalign is in your \$PATH"
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exit 1;
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fi
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if [ -e "$1" ];
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then
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NAME=`basename $1`;
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echo "Optimizing $NAME...";
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if [ "$2" != "" ];
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then
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CERT=build/target/product/security/$2.x509.pem
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KEY=build/target/product/security/$2.pk8
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if [ ! -f "$ANDROID_BUILD_TOP/$CERT" ];
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then
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echo "$CERT does not exist!";
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exit 1;
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fi
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else
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APKINFO=`grep "name=\"$NAME\"" $APKCERTS`;
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[ $QUIET ] || echo "APKINFO: $APKINFO";
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if [ "$APKINFO" = "" ];
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then
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echo "No apk info for $NAME";
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exit 1;
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fi
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CERT=`echo $APKINFO | awk {'print $2'} | cut -f 2 -d "=" | tr -d "\""`;
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KEY=`echo $APKINFO | awk {'print $3'} | cut -f 2 -d "=" | tr -d "\""`;
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if [ "$CERT" = "" ];
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then
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echo "Unable to find certificate for $NAME"
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exit 1;
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fi
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fi
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[ $QUIET ] || echo "Certificate: $CERT";
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[ -d $TMPDIR/$NAME ] && rm -rf $TMPDIR/$NAME
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mkdir -p $TMPDIR/$NAME
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trap "rm -rf $TMPDIR; exit" INT TERM EXIT
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cd $TMPDIR/$NAME
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unzip -q $BASE/$1
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for x in `find . -name "*.png" | grep -v "\.9.png$" | tr "\n" " "`
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do
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[ $QUIET ] || echo "Crushing $x"
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pngcrush $QFLAG $x $x.crushed 1>/dev/null
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if [ -e "$x.crushed" ];
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then
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mv $x.crushed $x
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fi
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done
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cp $BASE/$1 $BASE/$1.old
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[ $QUIET ] || echo "Repacking apk.."
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aapt p -0 .dat -0 .dict -F $NAME .
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[ $QUIET ] || echo "Resigning with cert: `echo $CERT`"
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[ $QUIET ] || echo java -jar $ANDROID_BUILD_TOP/out/host/$OUT_TARGET_HOST/framework/signapk.jar $ANDROID_BUILD_TOP/$CERT $ANDROID_BUILD_TOP/$KEY $NAME signed_$NAME
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java -jar $ANDROID_BUILD_TOP/out/host/$OUT_TARGET_HOST/framework/signapk.jar $ANDROID_BUILD_TOP/$CERT $ANDROID_BUILD_TOP/$KEY $NAME signed_$NAME
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[ $QUIET ] || echo "Zipalign.."
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zipalign -f 4 signed_$NAME $BASE/$1
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if [ ! $QUIET ]; then
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ls -l $BASE/$1.old
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ls -l $BASE/$1
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fi
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rm $BASE/$1.old
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else
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echo "Usage: $0 [apk file]"
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fi
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