$ git clone -n https://src.fedoraproject.org/rpms/gstreamer1-plugins-bad-free.git /var/lib/mock/f42-build-865429-173104/root/chroot_tmpdir/scmroot/gstreamer1-plugins-bad-free
Cloning into '/var/lib/mock/f42-build-865429-173104/root/chroot_tmpdir/scmroot/gstreamer1-plugins-bad-free'...
$ git fetch origin f53611473722cb786e785b79fb9a9312934b5c8a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gstreamer1-plugins-bad-free
 * [new ref]         f53611473722cb786e785b79fb9a9312934b5c8a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f536114 1.24.11