$ git clone -n https://src.fedoraproject.org/rpms/rust-pico-args.git /var/lib/mock/f45-build-43848-807/root/chroot_tmpdir/scmroot/rust-pico-args
Cloning into '/var/lib/mock/f45-build-43848-807/root/chroot_tmpdir/scmroot/rust-pico-args'...
$ git fetch origin cbd0548cfe88010023ab6ee45fb02891b0b44f57:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pico-args
 * [new ref]         cbd0548cfe88010023ab6ee45fb02891b0b44f57 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cbd0548 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild