$ git clone -n https://src.fedoraproject.org/rpms/perl-Tk-Text-SuperText.git /var/lib/mock/f45-build-27240-622/root/chroot_tmpdir/scmroot/perl-Tk-Text-SuperText
Cloning into '/var/lib/mock/f45-build-27240-622/root/chroot_tmpdir/scmroot/perl-Tk-Text-SuperText'...
$ git fetch origin f0e4557abe37de48e6ddd4ecc3067f4efe3b349c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Tk-Text-SuperText
 * [new ref]         f0e4557abe37de48e6ddd4ecc3067f4efe3b349c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f0e4557 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild