$ git clone -n https://src.fedoraproject.org/rpms/gst-editing-services.git /var/lib/mock/f42-build-side-1-3498726-45963/root/chroot_tmpdir/scmroot/gst-editing-services
Cloning into '/var/lib/mock/f42-build-side-1-3498726-45963/root/chroot_tmpdir/scmroot/gst-editing-services'...
$ git fetch origin 43c7379a8282fc464798d14bde875f2aec1f0a7a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gst-editing-services
 * [new ref]         43c7379a8282fc464798d14bde875f2aec1f0a7a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 43c7379 Fix build issues