#!/bin/sh

set -e

. /usr/share/mgatools/functions

if [ "$1" = "--dry-run" ]; then
    dryrun=echo
    shift
fi

sync=
if [ "$1" = "--sync" ]; then
    sync=yes
    shift
fi

noconfirm=
if [ "$1" = "--no-confirm" ]; then
    noconfirm=yes
    shift
fi

backport=
if [ "$1" = "--backports" ]; then
    shift
    backport=$1
    shift
fi

if [ $# != 3 ]; then
    echo "Usage: $0 [--dry-run] [--sync] [--no-confirm] [--backport <bug>] <release> <section> <src-rpm-name>" >&2
    exit 1
fi

valid_release "$1"
valid_section "$2"

release="$1"
section="$2"
srcname="$3"

exactsrpm=
sourcesubsection='updates_testing'
destinationsubsection='updates'
if [ 'cauldron' = "$release" ]; then
    if [ -n "$backport" ]; then
        echo "Error: Cannot use --backport with cauldron" >&2
        exit 1
    fi 
    destinationsubsection='release'
fi

if [ -n "$backport" ]; then
    sourcesubsection='backports_testing'
    destinationsubsection='backports'
fi

for file in "$distribdir/$release/SRPMS/$section/$sourcesubsection/"*.rpm; do
    pkg=$(rpm -qp --qf '%{NAME}' "$file")

    # Check exact match
    bfile=$(basename "$file")
    if [ "$bfile" = "$srcname" ]; then
        exactsrpm=y
        srcname=$pkg
        srcpkg=$bfile
        break
    fi

    # Check for src package name
    if [ "$pkg" = "$srcname" ]; then
        srcpkg=$bfile
        break
    fi
done

if [ -z "$srcpkg" ]; then
    echo "The package '$srcname' could not be found in the '$release/$section/$sourcesubsection' repository." >&2
    exit 2
fi

oldsrcpkg=
if [ 'release' = "$destinationsubsection" ]; then
    # In cauldron we also have to move the old version from release to ~schedbot/old/
    # We know srcname is a %{name} now.
    for file in "$distribdir/$release/SRPMS/$section/release/"*.rpm; do
        pkg=$(rpm -qp --qf '%{NAME}' "$file")
        if [ "$pkg" = "$srcname" ]; then
            oldsrcpkg=$bfile
            break
        fi
    done

    # (cg) Is this a valid check? What if it's a new package introduced first into testing
    # Ultimately this is not very likely, so ignore it for now.
    if [ -z "$oldsrcpkg" ]; then
        echo "The package '$srcname' could not be found in the '$release/$section/$sourcesubsection' repository." >&2
        exit 2
    fi
fi


# Safety check
if [ -n "$exactsrpm" -a -z "$noconfirm" -o 'release' = "$destinationsubsection" ]; then
    echo "This SRPM (and matching binaries) will be moved from '$sourcesubsection' to '$destinationsubsection':"
    echo "- $srcpkg"
    echo
    if [ 'release' = "$destinationsubsection" ]; then
        echo "This SRPM (and matching binaries) will be moved from 'release' to '\~schedbot/old':"
        echo "- $oldsrcpkg"
        echo
    fi

    read -p "Are you sure? [Y/n] " yn
    [ -z "$yn" ] yn=y
    case $yn in
        [Yy]*) continue;;
            *) exit;;
    esac
fi

function movepkg()
{
    srcdir="$1"
    destdir="$2"
    srcpkg="$3"
    content="$4"
    commands="$5"

    for file in "$srcdir/"*.rpm; do
        srpm=$(rpm -qp --qf '%{SOURCERPM}' "$file")
        if [ "$srpm" = "$srcpkg" ]; then
            echo "    $(basename $file)" | tee -a "$content"
            $dryrun mv -v -f "$file" "$destdir" >>"$commands" 2>&1
        fi
    done
}

mailcontent=$(mktemp)
mailcommands=$(mktemp)

if [ 'release' = "$destinationsubsection" ]; then
    echo ""
    echo "Moving binary and source rpms:" | tee -a "$mailcontent"
    for arch in $arches; do
        echo "- $arch:" | tee -a "$mailcontent"
        movepkg "$distribdir/$release/$arch/media/$section/release" "/var/lib/schedbot/old/" "$oldsrcpkg" "$mailcontent" "$mailcommands"
        movepkg "$distribdir/$release/$arch/media/debug/$section/release" "/var/lib/schedbot/old/" "$oldsrcpkg" "$mailcontent" "$mailcommands"
    done
    echo "- source:" | tee -a "$mailcontent"
    echo "    $oldsrcpkg" | tee -a "$mailcontent"
    echo >> "$mailcontent"
    echo >> "$mailcontent"
    $dryrun mv -v -f "$distribdir/$release/SRPMS/$section/release/$oldsrcpkg" "/var/lib/schedbot/old/" >>"$mailcommands" 2>&1
fi

echo ""
echo "Moving binary and source rpms:" | tee -a "$mailcontent"
for arch in $arches; do
    echo "- $arch:" | tee -a "$mailcontent"
    movepkg "$distribdir/$release/$arch/media/$section/$sourcesubsection" "$distribdir/$release/$arch/media/$section/$destinationsubsection/" "$srcpkg" "$mailcontent" "$mailcommands"
    movepkg "$distribdir/$release/$arch/media/debug/$section/$sourcesubsection" "$distribdir/$release/$arch/media/debug/$section/$destinationsubsection/" "$srcpkg" "$mailcontent" "$mailcommands"
done
echo "- source:" | tee -a "$mailcontent"
echo "    $srcpkg" | tee -a "$mailcontent"
echo >> "$mailcontent"
echo >> "$mailcontent"
$dryrun mv -v -f "$distribdir/$release/SRPMS/$section/$sourcesubsection/$srcpkg" "$distribdir/$release/SRPMS/$section/$destinationsubsection/" >>"$mailcommands" 2>&1

if [ -n "$dryrun" ]; then
    cat "$mailcontent" "$mailcommands"
else
    if [ -z "$sync" ]; then
        echo >>"$mailcontent"
        echo "Warning: hdlist update+sync was not performed during this move" >>"$mailcontent"
        echo >>"$mailcontent"
        echo >>"$mailcontent"
    fi

    if [ -n "$backport" ]; then
        export SIG="https://bugs.mageia.org/show_bug.cgi?id=$backport"
        $dryrun mutt -e 'set from="Mageia Backports <buildsystem-daemon@mageia.org>"' \
                     -e 'set signature="echo $SIG|"' \
                     -e 'set sig_dashes=no' \
                     backports-announce@ml.mageia.org -s "Package Backport: MGA $release/$section: $srcname" \
                     -i "$mailcontent"
    fi

    cat "$mailcommands" >>"$mailcontent"
    /usr/bin/mailx -s "mga-move-update $release $section $srcname" -S "from=$moveupdate_mailfrom" "$moveupdate_mailto" < "$mailcontent"

    if [ -n "$sync" ]; then
        update_distro_hdlist "$release" "$section" "$sourcesubsection"
        update_distro_hdlist "$release" "$section" "$destinationsubsection"
        update_common_MD5SUM "$release"
        mirror_repository "$release"
    fi
fi
rm -f "$mailcontent" "$mailcommands"