$ git clone -n https://src.fedoraproject.org/rpms/rust-lzma-sys.git /var/lib/mock/f40-build-2653040-66898/root/chroot_tmpdir/scmroot/rust-lzma-sys
Cloning into '/var/lib/mock/f40-build-2653040-66898/root/chroot_tmpdir/scmroot/rust-lzma-sys'...
$ git fetch origin e877b5c725e1b7fb586c3f1e55411fff5aaef6b1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-lzma-sys
 * [new ref]         e877b5c725e1b7fb586c3f1e55411fff5aaef6b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e877b5c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild