$ git clone -n https://src.fedoraproject.org/rpms/bluedevil.git /var/lib/mock/f41-build-856892-167809/root/chroot_tmpdir/scmroot/bluedevil
Cloning into '/var/lib/mock/f41-build-856892-167809/root/chroot_tmpdir/scmroot/bluedevil'...
$ git fetch origin 66c959b3f9e3cc129e2e1a02b66d1edc1826d67e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bluedevil
 * [new ref]         66c959b3f9e3cc129e2e1a02b66d1edc1826d67e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 66c959b 6.2.1