$ git clone -n https://src.fedoraproject.org/rpms/rust-tss-esapi.git /var/lib/mock/f45-build-45777-827/root/chroot_tmpdir/scmroot/rust-tss-esapi
Cloning into '/var/lib/mock/f45-build-45777-827/root/chroot_tmpdir/scmroot/rust-tss-esapi'...
$ git fetch origin d90d4c65a1a34256d86b412fafb7680473c7cec6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tss-esapi
 * [new ref]         d90d4c65a1a34256d86b412fafb7680473c7cec6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d90d4c6 Update to upstream version 7.7.0