$ git clone -n https://src.fedoraproject.org/rpms/source-highlight-qt.git /var/lib/mock/f41-build-side-1-2816645-32973/root/chroot_tmpdir/scmroot/source-highlight-qt
Cloning into '/var/lib/mock/f41-build-side-1-2816645-32973/root/chroot_tmpdir/scmroot/source-highlight-qt'...
$ git fetch origin 376b4c1ba5384bac2f43fab84525a02de6cafc3b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/source-highlight-qt
 * [new ref]         376b4c1ba5384bac2f43fab84525a02de6cafc3b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 376b4c1 convert GPLv3 license to SPDX