$ git clone -n https://src.fedoraproject.org/rpms/rust-alga.git /var/lib/mock/f40-build-2639568-66370/root/chroot_tmpdir/scmroot/rust-alga
Cloning into '/var/lib/mock/f40-build-2639568-66370/root/chroot_tmpdir/scmroot/rust-alga'...
$ git fetch origin 2ee888abe727eef589396bf9d80bc7f611ebcef5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-alga
 * [new ref]         2ee888abe727eef589396bf9d80bc7f611ebcef5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2ee888a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild