50 lines
1.2 KiB
Bash
Executable File
50 lines
1.2 KiB
Bash
Executable File
#!/bin/sh
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if [ $# -gt 0 -a "$1" = "-v" ]
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then
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RETROFLAG="false"
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JARFLAG="v"
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shift
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set -x
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fi
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if [ $# -ne 1 ]
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then
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echo Provide on jar file to convert on the command line.
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exit 1
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fi
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REALPATH=$(realpath $0)
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BIN_DIR=`dirname "$REALPATH"`
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LIB_DIR=$BIN_DIR
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JAR_TO_CONVERT="$1"
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INPUT_DIR="$JAR_TO_CONVERT".inputdir
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OUTPUT_DIR="$JAR_TO_CONVERT".outputdir
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rm -rf "$INPUT_DIR"
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rm -rf "$OUTPUT_DIR"
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mkdir "$INPUT_DIR"
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mkdir "$OUTPUT_DIR"
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(cd "$INPUT_DIR"; jar -x${JARFLAG}f $OLDPWD/"$JAR_TO_CONVERT")
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echo "Converting..."
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java \
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-Dretrolambda.bytecodeVersion=49 \
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-Dretrolambda.defaultMethods=true \
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-Dretrolambda.inputDir="$INPUT_DIR" \
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-Dretrolambda.outputDir="$OUTPUT_DIR" \
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-Dretrolambda.classpath="$JAR_TO_CONVERT" \
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-Dretrolambda.javacHacks=true \
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-Dretrolambda.quiet=${RETROFLAG:-true} \
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-jar "$LIB_DIR"/retrolambda-2.5.6.jar
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# The order of the "m" and "f" must match the order that the
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# corresponding files appear in the argument list. This is
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# so stupid...
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NEW_JAR_NAME="${JAR_TO_CONVERT%.jar}-java5.jar"
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echo "Repackaging to ${NEW_JAR_NAME}"
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jar -c${JARFLAG}fm "${NEW_JAR_NAME}" \
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"$OUTPUT_DIR"/META-INF/MANIFEST.MF \
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-C "$OUTPUT_DIR" .
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