$ git clone -n https://src.fedoraproject.org/rpms/rust-test-generator.git /var/lib/mock/f40-build-2683561-67972/root/chroot_tmpdir/scmroot/rust-test-generator
Cloning into '/var/lib/mock/f40-build-2683561-67972/root/chroot_tmpdir/scmroot/rust-test-generator'...
$ git fetch origin 8a2fa1be665103accf2b391bca28915a5622b53c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-test-generator
 * [new ref]         8a2fa1be665103accf2b391bca28915a5622b53c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8a2fa1b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild