suse-xsl-stylesheets/susexsl-fetch-source-git

#!/bin/bash
#
#
# Create suse-xsl 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=suse-xsl
PNAME=suse-xsl-stylesheets
VERSION=
SPECFILE=${PNAME}.spec
TMPDIR=$(mktemp -q -d --tmpdir susexsl_XXXXXXXX)

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

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

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

function download_archive {
 echo "Downloading archive:"
 (cd $TMPDIR && wget --connect-timeout=10 -nv $ARCHIVE_URL) || exit_on_error "Download of $ARCHIVE_URL failed"
}

function copy_archive {
  echo "Copying archive:"
  cp -v $ARCHIVE_URL $TMPDIR  || exit_on_error "Copying of $ARCHIVE_URL failed"
}

function detect_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
}

function unpack_archive {
  SRC_DIR=${TMPDIR}/${PNAME}
  pushd $TMPDIR
  mkdir $PNAME
  $UNPACK $ARCHIVE_NAME -C $PNAME --strip-components 1
  [[ $? ]] || exit_on_error "Unpacking $ARCHIVE_NAME failed"
  popd
}
#-----
# MAIN
#-----
#
# Check for archive file name
#
if [[ -z $1 ]]; then
    exit_on_error "Please specify a URL for a suse-xsl release archive on Github, e.g.\https://github.com/openSUSE/suse-xsl/archive/2.0-rc5.tar.gz. Alternatively, use --tag [TAG_NAME]."
elif [[ $1 = '--tag' ]] && [[ $2 ]]; then
    ARCHIVE_URL="https://github.com/openSUSE/suse-xsl/archive/$2.tar.gz"
    ARCHIVE_NAME="${ARCHIVE_URL##*/}"
else
    ARCHIVE_URL="$1"
    ARCHIVE_NAME="${ARCHIVE_URL##*/}"
fi

# This script needs to be called from the osc checkout directory, so
# lets check whether we are in the correct directory
#
if [[ ! -s $SPECFILE && ! -d .osc ]]; then
    echo "Looks like you are not in the suse-xsl 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
#

if [[ ${ARCHIVE_URL} == http* ]]; then
  download_archive
else
  copy_archive
fi

#-----------
# Unpack archive
#
detect_archive
unpack_archive


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

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

echo "Detected version=$VERSION"

#-----------
# Create the tarball
#
export BZIP2=--best
tar cf ${PNAME}-${VERSION}.tar -C ${TMPDIR} ${PNAME} || exit_on_error "Failed to create the tarball."
bzip2 ${PNAME}-${VERSION}.tar

echo "Successfully wrote source tarball ${PNAME}-${VERSION}.tar.bz2"
#
# Copy the spec file if necessary
#
if [[ -e ${SRC_DIR}/packaging/$SPECFILE ]]; then
    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
fi

#rm -rf ${TMPDIR}

exit 0