$ git clone -n https://src.fedoraproject.org/rpms/gstreamer1-plugins-bad-free.git /var/lib/mock/f41-build-850704-165573/root/chroot_tmpdir/scmroot/gstreamer1-plugins-bad-free
Cloning into '/var/lib/mock/f41-build-850704-165573/root/chroot_tmpdir/scmroot/gstreamer1-plugins-bad-free'...
$ git fetch origin f2fa2198a645de7945193605a87440def9677bb1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gstreamer1-plugins-bad-free
 * [new ref]         f2fa2198a645de7945193605a87440def9677bb1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f2fa219 1.24.8