JAL-3210 Merge branch 'develop' into trialMerge

[jalview.git] / utils / modulify-jar.sh

diff --git a/utils/modulify-jar.sh b/utils/modulify-jar.sh
new file mode 100755 (executable)
index 0000000..f508ed2
--- /dev/null
+++ b/utils/modulify-jar.sh
@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+
+CMD=$(basename $0)
+
+usage() {
+  echo "Usage: $CMD /path/to/jarfile" >&2
+}
+
+usagexit() {
+  usage
+  exit 1
+}
+
+error() {
+  echo $1 >&2
+  usagexit
+}
+
+JARFILE=$1
+[ -z $JARFILE ] && usagexit
+[ -f $JARFILE ] || error "No file $JARFILE"
+[ -r $JARFILE ] || error "$JARFILE not readable"
+
+EXT=.jar
+SUFFIX=-MODULE
+FILENAME=$(basename $JARFILE)
+BASE=$(basename -s $EXT $JARFILE)
+DIR=$(dirname $JARFILE)
+
+# set absolute path to $JARFILE if not specified
+[ x${DIR#/} = x$DIR ] && DIR=$(cd "$DIR" && pwd)
+
+ABSJARFILE=$DIR/$FILENAME
+
+TMPDIR=/tmp/$USER-$CMD-$BASE-$$
+
+[ x$FILENAME = x$BASE ] && error "Should be $EXT file"
+
+mkdir -p $TMPDIR/jar || error "Could not create tmp dir $TMPDIR/jar"
+mkdir -p $TMPDIR/info || error "Could not create tmp dir $TMPDIR/info"
+cd $TMPDIR/jar
+jar -xvf $ABSJARFILE > /dev/null
+jdeps --module-path="$DIR" --generate-module-info $TMPDIR/info $ABSJARFILE
+# next line assuming only one module-info.java file created, I think this is always true...? It'll just use the last one if not.
+find $TMPDIR/info -name "module-info.java" -exec /bin/mv {} . \;
+[ -e ./module-info.java ] || error "No module-info.java file found in $TMPDIR/info"
+javac -d $TMPDIR/jar ./module-info.java
+jar -cvf $DIR/${BASE}${SUFFIX}${EXT} -C $TMPDIR/jar . > /dev/null
+rm -rf $TMPDIR
+
+