$ git clone -n https://src.fedoraproject.org/rpms/perl-Pod-Xhtml.git /var/lib/mock/f41-build-side-1-2654839-27881/root/chroot_tmpdir/scmroot/perl-Pod-Xhtml
Cloning into '/var/lib/mock/f41-build-side-1-2654839-27881/root/chroot_tmpdir/scmroot/perl-Pod-Xhtml'...
$ git fetch origin 20560c7f15068778becba25985ad92f2e1b2f41a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Pod-Xhtml
 * [new ref]         20560c7f15068778becba25985ad92f2e1b2f41a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 20560c7 convert GPLv2+ license to SPDX