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#!/bin/sh
# Repackage upstream source to exclude non-distributable files
# should be called as "repack.sh --upstream-source <ver> <downloaded file>
# (for example, via uscan)

set -e
set -u

VER="$2"
FILE="$3"
PKG=`dpkg-parsechangelog|grep ^Source:|sed 's/^Source: //'`
NEWFILE="$(dirname $FILE)/$PKG-$VER.tar.gz"

REPACK_DIR="$PKG-$VER.orig" # DevRef ยง 6.7.8.2

echo -e "\nRepackaging $FILE\n"

DIR=`mktemp -d ./tmpRepackXXXXXX`
trap "rm -rf \"$DIR\"" QUIT INT EXIT

# Create an extra directory to cope with rootless tarballs
UP_BASE="$DIR/unpack"
mkdir "$UP_BASE"
unzip "$FILE" -d "$UP_BASE"

if [ `ls -1 "$UP_BASE" | wc -l` -eq 1 ]; then
	# Tarball does contain a root directory
	UP_BASE="$UP_BASE/`ls -1 "$UP_BASE"`"
fi

## Unpack and remove stuff
unzip $UP_BASE/microba-${VER}-sources.jar -d "$UP_BASE"
rm -vf $UP_BASE/microba-*.jar
## End

mv "$UP_BASE" "$DIR/$REPACK_DIR"

# Using a pipe hides tar errors!
tar cfC "$DIR/repacked.tar" "$DIR" "$REPACK_DIR"
gzip -9 < "$DIR/repacked.tar" > "$DIR/repacked.tar.gz"

mv "$DIR/repacked.tar.gz" "$NEWFILE"

echo "*** $FILE repackaged as $NEWFILE"