$ git clone -n https://src.fedoraproject.org/rpms/optee_client.git /var/lib/mock/f39-build-1546754-36702/root/chroot_tmpdir/scmroot/optee_client
Cloning into '/var/lib/mock/f39-build-1546754-36702/root/chroot_tmpdir/scmroot/optee_client'...
$ git fetch origin 99c7b29318ee516a7d519f30eca7d5efd7241cd9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/optee_client
 * [new ref]         99c7b29318ee516a7d519f30eca7d5efd7241cd9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 99c7b29 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild