$ git clone -n https://src.fedoraproject.org/rpms/libglibutil.git /var/lib/mock/f41-build-825803-154714/root/chroot_tmpdir/scmroot/libglibutil
Cloning into '/var/lib/mock/f41-build-825803-154714/root/chroot_tmpdir/scmroot/libglibutil'...
$ git fetch origin db5c37f7dd9b2bdc38a8056710cb5366c856642d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libglibutil
 * [new ref]         db5c37f7dd9b2bdc38a8056710cb5366c856642d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db5c37f 1.0.79