$ git clone -n https://src.fedoraproject.org/rpms/rust-treebitmap.git /var/lib/mock/f39-build-1489219-34501/root/chroot_tmpdir/scmroot/rust-treebitmap
Cloning into '/var/lib/mock/f39-build-1489219-34501/root/chroot_tmpdir/scmroot/rust-treebitmap'...
$ git fetch origin c2b0a4740216571f597ea1ab8a8570206d9c6a48:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-treebitmap
 * [new ref]         c2b0a4740216571f597ea1ab8a8570206d9c6a48 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c2b0a47 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild