#!/bin/bash

#

# managed by salt - do not edit

#

# Copyright (C) 2013-2014, SUSE Linux Products GmbH

# Copyright (C) 2015-2016, SUSE Linux GmbH

# Author: Lars Vogdt

#

# All rights reserved.

#

# Redistribution and use in source and binary forms, with or without

# modification, are permitted provided that the following conditions are met:

#

# * Redistributions of source code must retain the above copyright notice, this

#   list of conditions and the following disclaimer.

#

# * Redistributions in binary form must reproduce the above copyright notice,

#   this list of conditions and the following disclaimer in the documentation

#   and/or other materials provided with the distribution.

#

# * Neither the name of the Novell nor the names of its contributors may be

#   used to endorse or promote products derived from this software without

#   specific prior written permission.

#

# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE

# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

# POSSIBILITY OF SUCH DAMAGE.

#

BASEDIR="$HOME"

DESTDIR="/srv/www/vhosts/doc.opensuse.org/release-notes/"

RELEASENOTES_DATA="$BASEDIR/etc/releasenotes"

RELNOTESDIR="$BASEDIR/release-notes"

LOGFILE="$BASEDIR/var/log/$(basename $0).log"

DO_ECHO=""

VERBOSE=""

UNRPM='/usr/bin/unrpm'

UNPACK_TEMPDIR='/tmp'

TEMPDIR=$(mktemp -d /tmp/update_release_notes-XXXXXX)

cleanup_and_exit() {

    local exitcode="$1"

    rm -rf "$TEMPDIR"

    exit $exitcode

}

usage() {

    echo

    echo "Usage: $(basename $0) [-t][-v]"

    echo "       -t : just test, do nothing"

    echo "       -v : be verbose"

    echo

    cleanup_and_exit $1

}

LOG(){

    LOG_DATE=`date "+%b %d %H:%M:%S"`

    HOST=`hostname`

    echo "$LOG_DATE $HOST : $1" >> $LOGFILE

    if [ "$VERBOSE" = "yes" ]; then

        echo "$1"

    fi

}

get_package_from_obs() {

    local server="$1"

    local localdir="$2"

    local url=$(echo $3 | sed "s|:/|:|g")

    local packagename="$4"

    local archs="$5"

    local attempt=$6 || local attempt=0

    attempt=$((attempt+1))

    if [ $attempt -gt 2 ]; then

        echo "Could not find a valid RPM at ${server}/build/$url/$arch/_repository/${packagename} after $attempt attempts - giving up." >&2

		LOG "Could not find a valid RPM at ${server}/build/$url/$arch/_repository/${packagename} after $attempt attempts - giving up"

        return

    fi

    for arch in $archs; do

        $DO_ECHO mkdir -p $VERBOSE "$localdir/$arch"

        $DO_ECHO curl -s -S $VERBOSE -o "$localdir/$arch"/${packagename}.rpm  "${server}/build/$url/$arch/_repository/${packagename}"

        FILETYPE=$(file --brief --mime "$localdir/$arch"/${packagename}.rpm)

        FOUND='no'

        case "$FILETYPE" in

            *application/x-rpm*)

                LOG "$localdir/$arch/${packagename}.rpm is a valid RPM - going forward"

                FOUND='yes'

            ;;

            *text/plain*)

                if [ "$VERBOSE" = "-v" ]; then

                    LOG "$localdir/$arch"/${packagename}.rpm has wrong mime - file content:"

                    cat "$localdir/$arch"/${packagename}.rpm" | tee "$LOGFILE"

                fi

            ;;

            *)

                LOG "$localdir/$arch/${packagename}.rpm has wrong/unknown mime type"

            ;;

         esac

         if [ "$FOUND" == "no" ]; then

             LOG "Did not find the wanted RPM at $url - trying different repos now"

             case "$url" in

                 *:Update/standard)

                     url=${url/:Update/}

                 ;;

             esac

             get_package_from_obs "$server" "$localdir" "$url" "$packagename" "$arch" $attempt

         fi

    done

}

output_package() {

    PACKAGE="$1"

    DESTINATION="$2"

    case $DESTINATION in

        "$RELNOTESDIR"/*)

        ;;

        *)

        echo "ERROR: dest is $DESTINATION" >&2

		LOG "ERROR: dest is $DESTINATION"

        return

        ;;

    esac

    TMPDIR=$(mktemp -d $TEMPDIR/output_package-XXXXXX)

    test -d "$TMPDIR" || return

    pushd "$TMPDIR" 1>/dev/null

    $DO_ECHO $UNRPM "$PACKAGE" 1>/dev/null 2>&1

    PACKNAME=$(rpm -qp --nosignature --nodigest --qf "%{NAME}.rpm" "$PACKAGE")

    popd 1>/dev/null

    $DO_ECHO rm -rf $VERBOSE "$DESTINATION"

    $DO_ECHO mkdir -p "$DESTINATION"

    $DO_ECHO cp -a $VERBOSE "$PACKAGE" "$DESTINATION/$PACKNAME"

    $DO_ECHO cp -a $VERBOSE $TMPDIR/usr/share/doc/release-notes/*.{html,rtf,txt} "$DESTINATION"/ 2>/dev/null

    $DO_ECHO cp -a $VERBOSE $TMPDIR/usr/share/doc/release-notes/*/*.{html,rtf,txt} "$DESTINATION"/ 2>/dev/null

    for dir in $TMPDIR/usr/share/doc/release-notes/*/release-notes-static ; do

	    test -d "$dir" || continue

	    test -L "$dir/index.html" -a -f "$dir/index.html" || continue

	    $DO_ECHO cp -a $VERBOSE "$dir"/* "$DESTINATION"/ 2>/dev/null

	    N=`readlink "$DESTINATION/index.html"`

	    pushd "$DESTINATION" >/dev/null 2>/dev/null

	    $DO_ECHO rm $VERBOSE index.html

	    $DO_ECHO cp -f $VERBOSE "$N" index.html

	    popd "$DESTINATION" >/dev/null 2>/dev/null

    done

    for i in "$DESTINATION"/*.html ; do

        test -L "$i" -a ! -f "$i" && $DO_ECHO rm $VERBOSE "$i"

    done

    pushd "$DESTINATION" 1>/dev/null

    for i in RELEASE-NOTES.*.html; do

	l="${i%.html}"

	l="${l##*.}"

	# use cp as symlinks do not work properly - see bnc #612554 for details (mod_proxy)

	$DO_ECHO cp -f $VERBOSE "$i" index.html."$l"

    done

    if [ ! -e index.html.en ]; then

	for i in en_US en_GB; do

	    if [ -e index.html.$i ]; then

		$DO_ECHO mv -f $VERBOSE index.html.$i index.html.en

		break

	    fi

	done

    fi

    popd 1>/dev/null

    if [ -d $TMPDIR/usr/share/doc/release-notes/*/static ]; then

        $DO_ECHO cp -a $VERBOSE "$TMPDIR"/usr/share/doc/release-notes/*/static "$DESTINATION"/

    fi

    rm -rf "$TMPDIR"

}

create_index_file() {

    DIRECTORY="$1"

    case $DIRECTORY in

        "$RELNOTESDIR"/*)

        ;;

        *)

        echo "ERROR: create_index_file directory is $DIRECTORY" >&2

        LOG "ERROR: create_index_file directory is $DIRECTORY"

        return

        ;;

    esac

    test -d "$DIRECTORY" || return

    if [ -f "$DIRECTORY/index.html" ]; then

        LOG "WARNING: $DIRECTORY/index.html exists - skipping"

        return

    else

        LOG "Creating $DIRECTORY/index.html"

    fi

    cat "$RELNOTESDIR/header.html.tmpl" > "$DIRECTORY/index.html" || return

    echo "
Directory Index Of $(basename $DIRECTORY)/
" >> "$DIRECTORY/index.html"

    echo "Parent Directory
" >> "$DIRECTORY/index.html"

    echo "
" >> "$DIRECTORY/index.html"

    for dir in $(find "$DIRECTORY" -maxdepth 1 -mindepth 1 -type d); do

        link=$(basename $dir);

        echo "
$link
" >> "$DIRECTORY/index.html";

    done

    echo "" >> "$DIRECTORY/index.html"

    cat "$RELNOTESDIR/footer.html.tmpl" >> "$DIRECTORY/index.html"

}

trap 'echo' SIGHUP SIGINT SIGQUIT

trap 'cleanup_and_exit 1' SIGTRAP SIGBUS SIGKILL SIGPIPE SIGTERM

trap 'cleanup_and_exit 0' EXIT

while getopts 'htv' OPTION; do

    case $OPTION in

        h) usage 0

        ;;

        t) DO_ECHO="echo "

        ;;

        v) VERBOSE="-v"

        ;;

        *) usage 1

        ;;

    esac

done

shift $(( OPTIND - 1 ))

if [ ! -x $UNRPM ]; then

    echo "ERROR: $UNRPM not found or not executable" >&2

    LOG "ERROR: $UNRPM not found or not executable"

    cleanup_and_exit 1

fi

if [ ! -f "$RELEASENOTES_DATA" ]; then

    echo "ERROR: $RELEASENOTES_DATA not found" >&2

    LOG "ERROR: $RELEASENOTES_DATA not found"

    cleanup_and_exit 1

fi

mkdir -p $(dirname $LOGFILE) || { echo "ERROR: could not create $(dirname $LOGFILE); LOG "ERROR: could not create $(dirname $LOGFILE); }

while read line; do

    ISBS="no"

    if [[ "$line" == \#* ]]; then

        continue

    fi

    if [[ "$line" == "" ]]; then

        continue

    fi

    DISTVERSION=$(echo $line | cut -d "|" -f 1)

    PRODUKT_NAME=$(echo $line | cut -d "|" -f 2)

    PRODUKT_VERSION=$(echo $line | cut -d "|" -f 3)

    RELEASENOTES_NAME=$(echo $line | cut -d "|" -f 4)

    PRODUKT_ARCHS=$(echo $line | cut -d "|" -f 5)

    case "$DISTVERSION" in

        obs:*)

            OBSDIR="$(mktemp -d "${TEMPDIR}/get_releasenotes-XXXXXX")"

            DISTVERSION=$(echo ${DISTVERSION/obs:\/\//} | sed "s|:|:/|g")

            DISTURL=$(echo ${DISTVERSION/obs:\/\//})

            ISBS="yes"

            INSTANCE="https://build.opensuse.org/public"

            get_package_from_obs "$INSTANCE" "${OBSDIR}/${DISTVERSION}" "$DISTURL" "$RELEASENOTES_NAME" "$PRODUKT_ARCHS"

        ;;

	*)

            DISTVERSION="$DISTVERSION-"

        ;;

    esac

    LOG "going for $OBSDIR/$DISTVERSION $PRODUKT_NAME/$PRODUKT_VERSION $RELEASENOTES_NAME"

    $DO_ECHO mkdir -p "$RELNOTESDIR" || { echo "Could not create $RELNOTESDIR" >&2; cleanup_and_exit 1; }

    if [ "$ISBS" == "yes" ]; then

      # special handling for noarch packages

      RELNOTES_RPM_IS_NOARCH=$(echo "$OBSDIR/$DISTVERSION/"*/$RELEASENOTES_NAME*.rpm | grep noarch)

      for arch in $PRODUKT_ARCHS; do

            if [ -n "$RELNOTES_RPM_IS_NOARCH" ]; then

                repoarch="noarch"

            else

                repoarch="$arch"

            fi

            for relrpm in "$OBSDIR/$DISTVERSION/${repoarch}/"$RELEASENOTES_NAME*.rpm; do

                test -f "$relrpm" || continue

                RPM_NAME=$(rpm -qp --nosignature --nodigest --qf "%{NAME}" "$relrpm")

                if [ "$RPM_NAME" = "$RELEASENOTES_NAME" ]; then

                    CHECKED=$(rpm --checksig "$relrpm" | grep -vE "md5 gpg OK|pgp md5 OK")

                    test -n "$CHECKED" && { echo "ERROR: $relrpm not signed" >&2 ; LOG "ERROR: $relrpm not signed"; continue ; }

                    PRODUKT_ARCH=$arch

                    output_package "$relrpm" "$RELNOTESDIR/$arch/$PRODUKT_NAME/$PRODUKT_VERSION"

        #            create_index_file "$RELNOTESDIR/$BUILDMACHINETYPE/$PRODUKT_NAME"

                    if [ "$RELEASENOTES_NAME" != "release-notes" ] ; then

                        $DO_ECHO cp -a "$RELNOTESDIR/$arch/$PRODUKT_NAME/$PRODUKT_VERSION"/$RELEASENOTES_NAME*.rpm "$RELNOTESDIR/$arch/$PRODUKT_NAME/$PRODUKT_VERSION/release-notes.rpm"

                    fi

                else

                    continue

                fi

            done

      done

      date "+%Y-%m-%d %H:%M:%S" > "$RELNOTESDIR/.last_sync"

    else

      echo "Unknown DISTVERSION: $DISTVERSION - can currently handle \"obs://\" URLs only" >&2

      LOG "Unknown DISTVERSION: $DISTVERSION - can currently handle \"obs://\" URLs only"

      cleanup_and_exit 1

    fi

done < "$RELEASENOTES_DATA"

# Only after everything suceeds, we rsync the contents to /srv

rsync -arz --delete-after "$@" "$RELNOTESDIR/*" "$DESTDIR"