File daps-fetch-source-git of Package daps

#!/bin/bash
#
#
# Create DAPS source tarball from GitHub
# Needed because we would like to exclude unnecessary stuff from
# the source RPM in order to keep it lean
#
# Copyright (C) 2015 SUSE Linux GmbH
#
# Author:
# Frank Sundermeyer <fsundermeyer at opensuse dot org>
#

NAME=daps
VERSION=
SPECFILE=${NAME}.spec
TMPDIR=$(mktemp -q -d --tmpdir daps_XXXXXXXX)

#----------
# Functions
#----------

# exit on error
#
function exit_on_error {
    echo -e "$1"
#    rm -rf $TMPDIR
    exit 1
}

function help {
    echo -e "$(basename $0) <DAPS_ARCHIVE_FILENAME>\n"
}

#-----
# MAIN
#-----
#
# Check for archive file name
#
if [[ -z $1 ]]; then
    exit_on_error "Please specify a URl for a DAPS release archive on Github, e.g.\nhttps://github.com/openSUSE/daps/archive/daps-2.0-rc5.tar.gz"
else
    ARCHIVE_URL="$1"
    ARCHIVE_NAME="${ARCHIVE_URL##*/}"
fi

# This script needs to be called from the daps osc checkout directory, so
# lets check whether we are in the correct directory
#
if [[ ! -s daps.spec && ! -d .osc ]]; then
    echo "Looks like you are not in the daps checkout directory."
    read -p "Continue anyway (y/n) [n]: " CONT
    if [[ n = $CONT || N = $CONT ]]; then
        exit_on_error "Aborted by user."
    fi
fi

#-----------
# Download archive
#
echo "Downloading archive:"
(cd $TMPDIR && wget -nv $ARCHIVE_URL) || exit_on_error "Download of $ARCHIVE_URL failed"

#-----------
# Unpack archive
#

case ${ARCHIVE_NAME##*.} in
    zip)
	UNPACK="unzip"
	ARCHIVE_DIR=$(basename $ARCHIVE_NAME .zip)
	;;
    gz)
	UNPACK="tar xfz"
	ARCHIVE_DIR=$(basename $ARCHIVE_NAME .tar.gz)
	;;
    bz2)
	UNPACK="tar xfj"
	ARCHIVE_DIR=$(basename $ARCHIVE_NAME .tar.bz2)
	;;
    *)
	exit_on_error "Unknown archive format"
esac

SRC_DIR=${TMPDIR}/${NAME}
EXCLUDES=${SRC_DIR}/packaging/exclude-files_for_daps_package.txt

(cd $TMPDIR && $UNPACK $ARCHIVE_NAME) || exit_on_error "Unpacking $ARCHIVE_NAME failed"

mv ${TMPDIR}/${NAME}-${ARCHIVE_DIR}/ ${SRC_DIR}/

#-----------
# Get the version number
#
VERSION=$(egrep "^Version:\s*" ${SRC_DIR}/packaging/$SPECFILE | sed 's/^Version:\s*//')

if [[ -z $VERSION ]]; then
    exit_on_error "Couldn't get version number from spec-file."
fi

#-----------
# Create the tarball
#
export BZIP2=--best
tar cf ${NAME}-${VERSION}.tar -C ${TMPDIR} \
    --exclude-from=$EXCLUDES ${NAME} || exit_on_error "Failed to create the tarball."
bzip2 -9 ${NAME}-${VERSION}.tar

echo "Successfully wrote source tarball ${NAME}-${VERSION}.tar.bz2"
#
# Copy the spec file if necessary
#
diff -q $SPECFILE ${SRC_DIR}/packaging/$SPECFILE >/dev/null
if [[ 0 = $? ]]; then
    echo "Spec file is up-to-date."
else
    cp ${SRC_DIR}/packaging/$SPECFILE . || exit_on_error "Failed to copy the specfile."
    echo "Successfully updated the spec file."
fi
    
#rm -rf ${TMPDIR}

exit 0