$ git clone -n https://src.fedoraproject.org/rpms/perl-HTML-FormFu-Element-reCAPTCHA.git /var/lib/mock/f41-build-side-1-2781508-32531/root/chroot_tmpdir/scmroot/perl-HTML-FormFu-Element-reCAPTCHA
Cloning into '/var/lib/mock/f41-build-side-1-2781508-32531/root/chroot_tmpdir/scmroot/perl-HTML-FormFu-Element-reCAPTCHA'...
$ git fetch origin 1851c4a55c78f478b202344ed63383bd800d2d38:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-HTML-FormFu-Element-reCAPTCHA
 * [new ref]         1851c4a55c78f478b202344ed63383bd800d2d38 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1851c4a convert GPL+ or Artistic license to SPDX