$ git clone -n https://src.fedoraproject.org/rpms/perl-Config-Model.git /var/lib/mock/f45-build-22498-591/root/chroot_tmpdir/scmroot/perl-Config-Model
Cloning into '/var/lib/mock/f45-build-22498-591/root/chroot_tmpdir/scmroot/perl-Config-Model'...
$ git fetch origin 116c45e27bcbbdb63f99299af4195fe761abafb5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Config-Model
 * [new ref]         116c45e27bcbbdb63f99299af4195fe761abafb5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 116c45e 2.166 bump (rhbz#2510692)