$ git clone -n https://src.fedoraproject.org/rpms/perl-Text-Wrapper.git /var/lib/mock/f45-build-27164-621/root/chroot_tmpdir/scmroot/perl-Text-Wrapper
Cloning into '/var/lib/mock/f45-build-27164-621/root/chroot_tmpdir/scmroot/perl-Text-Wrapper'...
$ git fetch origin b09b1c1de97ccaaceba712cae62e333bff19edac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Text-Wrapper
 * [new ref]         b09b1c1de97ccaaceba712cae62e333bff19edac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b09b1c1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild