$ git clone -n https://src.fedoraproject.org/rpms/rust-alga.git /var/lib/mock/f40-build-2162704-50941/root/chroot_tmpdir/scmroot/rust-alga
Cloning into '/var/lib/mock/f40-build-2162704-50941/root/chroot_tmpdir/scmroot/rust-alga'...
$ git fetch origin ac8ebe25099e8e91c9f0763eba335b1a71b5f997:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-alga
 * [new ref]         ac8ebe25099e8e91c9f0763eba335b1a71b5f997 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac8ebe2 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild