$ git clone -n https://src.fedoraproject.org/rpms/gstreamer1-plugins-bad-free.git /var/lib/mock/f41-build-861299-169603/root/chroot_tmpdir/scmroot/gstreamer1-plugins-bad-free
Cloning into '/var/lib/mock/f41-build-861299-169603/root/chroot_tmpdir/scmroot/gstreamer1-plugins-bad-free'...
$ git fetch origin f380f81c2dd4981c8f557d266a56b39ec02bdf21:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gstreamer1-plugins-bad-free
 * [new ref]         f380f81c2dd4981c8f557d266a56b39ec02bdf21 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f380f81 1.24.9