$ git clone -n https://src.fedoraproject.org/rpms/rust-secret-service.git /var/lib/mock/f40-build-1967879-25215/root/chroot_tmpdir/scmroot/rust-secret-service
Cloning into '/var/lib/mock/f40-build-1967879-25215/root/chroot_tmpdir/scmroot/rust-secret-service'...
$ git fetch origin 64a9f0f31e71696ae5df8284b288c20ce2ab7cb4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-secret-service
 * [new ref]         64a9f0f31e71696ae5df8284b288c20ce2ab7cb4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 64a9f0f Update to version 3.1.0; Fixes RHBZ#2290833