$ git clone -n https://src.fedoraproject.org/rpms/rust-uu_base32.git /var/lib/mock/f40-build-779970-130573/root/chroot_tmpdir/scmroot/rust-uu_base32
Cloning into '/var/lib/mock/f40-build-779970-130573/root/chroot_tmpdir/scmroot/rust-uu_base32'...
$ git fetch origin 3c15e810423158f5531cee9c817fdd527f64e8d9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uu_base32
 * [new ref]         3c15e810423158f5531cee9c817fdd527f64e8d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3c15e81 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild