$ git clone -n https://src.fedoraproject.org/rpms/perl-Rose-DB-Object.git /var/lib/mock/f45-build-26062-614/root/chroot_tmpdir/scmroot/perl-Rose-DB-Object
Cloning into '/var/lib/mock/f45-build-26062-614/root/chroot_tmpdir/scmroot/perl-Rose-DB-Object'...
$ git fetch origin 06cc0149ef329e699a118434fc1f6c7e8195d8df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Rose-DB-Object
 * [new ref]         06cc0149ef329e699a118434fc1f6c7e8195d8df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 06cc014 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild