#!/bin/sh

# requires "lschanges"

set -e

ARCHIVE_DIR=/home/groups/pkg-gnome/archive
LSCHANGES=$ARCHIVE_DIR/bin/lschanges

umask 002

log() {
    echo "$*" >&2
}

log_i() {
    log "I:" "$@"
}

log_w() {
    log "W:" "$@"
}

log_e() {
    log "E:" "$@"
}

fatal() {
    log_e "$@"
    exit 1
}

if [ $# -ne 1 ]; then
    fatal "Usage: $0 <changes file>"
fi

cleanup() {
    log_i "Cleaning up $*..."
    rm -rf "$*"
}

CHANGES="$1"

if [ ! -e "$CHANGES" ]; then
    fatal "$CHANGES doesn't exist"
fi

distribution="$(sed -n 's/^Distribution: //p' "$CHANGES")"

if [ -z "$distribution" ]; then
    fatal "No Distribution field in $CHANGES"
fi

for f in $("$LSCHANGES" "$CHANGES"); do
    path=$(find "$ARCHIVE_DIR/$distribution" -name $f)
    if [ -z "$path" ]; then
        log_w "Couldn't not find $f in $ARCHIVE_DIR/$distribution"
    fi
    rm -vf "$path"
done
rm -vf "$CHANGES"