$ git clone -n https://src.fedoraproject.org/rpms/uClibc.git /var/lib/mock/f41-build-1072468-19725/root/chroot_tmpdir/scmroot/uClibc
Cloning into '/var/lib/mock/f41-build-1072468-19725/root/chroot_tmpdir/scmroot/uClibc'...
$ git fetch origin a54a4fe7eaf031d9e1af156b0ec65ee8e3b36276:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/uClibc
 * [new ref]         a54a4fe7eaf031d9e1af156b0ec65ee8e3b36276 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a54a4fe Eliminate use of obsolete %patchN syntax (#2283636)