#!/bin/sh
#
# Merge all the source and binary .changes files for an upload to
# Debian unstable.

set -eu


is_for_unstable()
{
    grep '^Distribution: unstable$' "$1" > /dev/null
}

for candidate in "$@"
do
    if is_for_unstable "$candidate"
    then
        printf '%s\0' "$candidate"
    fi
done |
xargs -0 mergechanges -f