$ git clone -n https://src.fedoraproject.org/rpms/bluedevil.git /var/lib/mock/f38-build-side-42-init-devel-776787-27839/root/chroot_tmpdir/scmroot/bluedevil
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-776787-27839/root/chroot_tmpdir/scmroot/bluedevil'...
$ git fetch origin ffc830042f6c7efed9adda8117fb559b4dd9c9f8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bluedevil
 * [new ref]         ffc830042f6c7efed9adda8117fb559b4dd9c9f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ffc8300 5.27.4