#!/bin/bash

# Note: this script should be run from _outside_ the chroot

[ -f ~/.d-i_manual_daily ] || exit 1
. ~/.d-i_manual_daily

mainlog=$logdir/main.log
builddate=$(date +"%d %b %Y")
logpage="http://d-i.alioth.debian.org/manual/logs"

[ -e "$logdir" ] && cd $logdir || exit 1

if ! tmpdir=$(mktemp -td mail-logs.XXXXXX); then
	exit 1
fi

add-svnlog () {
    echo "" >>$mainlog
    echo "" >>$mainlog
    echo "=============== svn up ===============" >>$mainlog
    cat $logdir/svn_up.log >>$mainlog
    echo "" >>$mainlog
    echo "=============== svn ci ===============" >>$mainlog
    cat $logdir/svn_ci.log >>$mainlog
}

if [ -f $ROOT/do_not_build ] ; then
    echo "" >>$mainlog
    echo "Build or upload failed; no mails sent!" >>$mainlog
    add-svnlog

    mutt -s "D-I Manual build failed ($builddate)" $MAIL_FROM <$mainlog
    exit 0
fi

if [ "$DI_LOCAL_BUILD" != 1 ]; then
    # Only create mails for languages that were built
    for lang in $(grep -E "Language .* - (full|partial) build:" $mainlog | \
            cut -d " " -f 2 | sort -u); do
        mailaddress=$(grep -E "^$lang[[:space:]]" $ROOT/bin/langlist | cut -f 8)

        # Check for errors during build
        BUILD_ERRORS=0
        grepexp="^((Preparing|Starting) build|Building manual|(Updating PO|Creating XML) files for language|- (upd|cre)ating|Writing|Info:|Warning:|dvips:|found empty tag para|Error: no ID for constraint linkend:|$)"
        if grep -Eqv "$grepexp" $logdir/$lang.log; then
            BUILD_ERRORS=1
        fi

        # Create header file
        echo "From: $NAME_FROM <$MAIL_FROM>" >$tmpdir/header
        echo "To: $mailaddress" >>$tmpdir/header
        echo "Reply-To: $NAME_FROM <$MAIL_FROM>" >>$tmpdir/header
        if [ "$BUILD_ERRORS" = "0" ]; then
            echo "Subject: [D-I Manual] Build log for $lang ($builddate)" >>$tmpdir/header
        else
            echo "Subject: [D-I Manual] Build log for $lang ($builddate) - ERRORS DURING BUILD" >>$tmpdir/header
        fi

        # Create message file
        if [ "$BUILD_ERRORS" = "0" ]; then
            cat $ROOT/bin/msgtxt.ok >$tmpdir/message
        else
            cat $ROOT/bin/msgtxt.fail >$tmpdir/message
        fi

        ATTACHMENT=""
        # Check whether upload of logfile was successful
        if grep -Eq "Upload of $lang.log success" $mainlog ; then
            echo "A log of the build is available at:" >>$tmpdir/message
            echo "- $logpage/$lang.log" >>$tmpdir/message
        else
            echo "A log of the build has been attached." >>$tmpdir/message
            # Create attachment
            gzip -c $logdir/$lang.log >$logdir/$lang.log.gz
            ATTACHMENT="-a $logdir/$lang.log.gz"
        fi

        cat $ROOT/bin/msgtxt.common >>$tmpdir/message
        grep -E "^([UAD].[[:space:]]*(po/|)$lang/|Updated to revision)" \
                $logdir/svn_up.log >>$tmpdir/message

        # Mail message
        mutt -H $tmpdir/header $ATTACHMENT <$tmpdir/message

        [ -f $logdir/$lang.log.gz ] && rm $logdir/$lang.log.gz
    done

    echo "" >>$mainlog
    echo "Build successful; logmails have been sent!" >>$mainlog
fi

add-svnlog

mutt -s "D-I Manual build success ($builddate)" $MAIL_FROM <$mainlog

rm -rf $tmpdir
exit 0