$ git clone -n https://src.fedoraproject.org/rpms/gnutls.git /var/lib/mock/f41-build-side-1-2750685-31065/root/chroot_tmpdir/scmroot/gnutls
Cloning into '/var/lib/mock/f41-build-side-1-2750685-31065/root/chroot_tmpdir/scmroot/gnutls'...
$ git fetch origin 760d4e32b2c756d77773a90daee6971f70ef2cb7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnutls
 * [new ref]         760d4e32b2c756d77773a90daee6971f70ef2cb7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 760d4e3 Remove mingw p11tool.exe