$ git clone -n https://src.fedoraproject.org/rpms/mingw-dlfcn.git /var/lib/mock/f43-build-59103182-6571102/root/chroot_tmpdir/scmroot/mingw-dlfcn
Cloning into '/var/lib/mock/f43-build-59103182-6571102/root/chroot_tmpdir/scmroot/mingw-dlfcn'...
$ git fetch origin a163f66ba7215de8ec64a422d9cff15d358ee296:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-dlfcn
 * [new ref]         a163f66ba7215de8ec64a422d9cff15d358ee296 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a163f66 Update to 1.4.2