$ git clone -n https://src.fedoraproject.org/rpms/perl-Tk-FontDialog.git /var/lib/mock/f45-build-27122-621/root/chroot_tmpdir/scmroot/perl-Tk-FontDialog
Cloning into '/var/lib/mock/f45-build-27122-621/root/chroot_tmpdir/scmroot/perl-Tk-FontDialog'...
$ git fetch origin 9972c6c64f21c8297d5377c4d6ed0c564d146eba:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Tk-FontDialog
 * [new ref]         9972c6c64f21c8297d5377c4d6ed0c564d146eba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9972c6c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild