$ git clone -n https://src.fedoraproject.org/rpms/rust-atomic-polyfill0.1.git /var/lib/mock/f40-build-2710710-71756/root/chroot_tmpdir/scmroot/rust-atomic-polyfill0.1
Cloning into '/var/lib/mock/f40-build-2710710-71756/root/chroot_tmpdir/scmroot/rust-atomic-polyfill0.1'...
$ git fetch origin 13186a009aa58471a5fa8158834f271a8a8a3f07:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-atomic-polyfill0.1
 * [new ref]         13186a009aa58471a5fa8158834f271a8a8a3f07 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 13186a0 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild