$ git clone -n https://src.fedoraproject.org/rpms/perl-Config-Properties.git /var/lib/mock/f45-build-22497-591/root/chroot_tmpdir/scmroot/perl-Config-Properties
Cloning into '/var/lib/mock/f45-build-22497-591/root/chroot_tmpdir/scmroot/perl-Config-Properties'...
$ git fetch origin b1fc7ba65d2c57d53c658a25998ea0be6e88ce9c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Config-Properties
 * [new ref]         b1fc7ba65d2c57d53c658a25998ea0be6e88ce9c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b1fc7ba Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild