$ git clone -n https://src.fedoraproject.org/rpms/rust-argmax.git /var/lib/mock/f40-build-2053610-49096/root/chroot_tmpdir/scmroot/rust-argmax
Cloning into '/var/lib/mock/f40-build-2053610-49096/root/chroot_tmpdir/scmroot/rust-argmax'...
$ git fetch origin 11909c075e0d85f4daf8419eed3b5ec8fa05b0f5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-argmax
 * [new ref]         11909c075e0d85f4daf8419eed3b5ec8fa05b0f5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 11909c0 Regenerate with rust2rpm v25