$ git clone -n https://src.fedoraproject.org/rpms/perl-Test2-Plugin-Cover.git /var/lib/mock/f45-build-26914-620/root/chroot_tmpdir/scmroot/perl-Test2-Plugin-Cover
Cloning into '/var/lib/mock/f45-build-26914-620/root/chroot_tmpdir/scmroot/perl-Test2-Plugin-Cover'...
$ git fetch origin ce1c911b1876ccb7e7c38fe1547577edc7f73255:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test2-Plugin-Cover
 * [new ref]         ce1c911b1876ccb7e7c38fe1547577edc7f73255 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce1c911 Perl 5.44 rebuild