$ git clone -n https://src.fedoraproject.org/rpms/rust-nom.git /var/lib/mock/f40-build-2402437-60556/root/chroot_tmpdir/scmroot/rust-nom
Cloning into '/var/lib/mock/f40-build-2402437-60556/root/chroot_tmpdir/scmroot/rust-nom'...
$ git fetch origin 76513891910f9715bd7525861e2790f8e6c1bc1e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-nom
 * [new ref]         76513891910f9715bd7525861e2790f8e6c1bc1e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7651389 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild