$ git clone -n https://src.fedoraproject.org/rpms/rust-bitvec_helpers.git /var/lib/mock/f40-build-2053797-49096/root/chroot_tmpdir/scmroot/rust-bitvec_helpers
Cloning into '/var/lib/mock/f40-build-2053797-49096/root/chroot_tmpdir/scmroot/rust-bitvec_helpers'...
$ git fetch origin 36fbb82e6344d7717ee50ff0b141ea0fa8cb308e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-bitvec_helpers
 * [new ref]         36fbb82e6344d7717ee50ff0b141ea0fa8cb308e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 36fbb82 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild