$ git clone -n https://src.fedoraproject.org/rpms/template-glib.git /var/lib/mock/f40-build-804311-144496/root/chroot_tmpdir/scmroot/template-glib
Cloning into '/var/lib/mock/f40-build-804311-144496/root/chroot_tmpdir/scmroot/template-glib'...
$ git fetch origin 93b7783c5a533e41f9ea9f9444bafeb97c44a2a3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/template-glib
 * [new ref]         93b7783c5a533e41f9ea9f9444bafeb97c44a2a3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 93b7783 Update to 3.36.2