$ git clone -n https://src.fedoraproject.org/rpms/rust-tokio-sync.git /var/lib/mock/f40-build-2658265-66917/root/chroot_tmpdir/scmroot/rust-tokio-sync
Cloning into '/var/lib/mock/f40-build-2658265-66917/root/chroot_tmpdir/scmroot/rust-tokio-sync'...
$ git fetch origin 6e6c9683d43e01d1986e7e14b2b16419cf4c7f91:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tokio-sync
 * [new ref]         6e6c9683d43e01d1986e7e14b2b16419cf4c7f91 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6e6c968 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild