$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-Version.git /var/lib/mock/f45-build-26936-620/root/chroot_tmpdir/scmroot/perl-Test-Version
Cloning into '/var/lib/mock/f45-build-26936-620/root/chroot_tmpdir/scmroot/perl-Test-Version'...
$ git fetch origin 82113fd7f72597acf9183b5cadf065ee5a974af7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-Version
 * [new ref]         82113fd7f72597acf9183b5cadf065ee5a974af7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 82113fd Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild