$ git clone -n https://src.fedoraproject.org/rpms/rust-procs.git /var/lib/mock/f40-build-2543983-61896/root/chroot_tmpdir/scmroot/rust-procs
Cloning into '/var/lib/mock/f40-build-2543983-61896/root/chroot_tmpdir/scmroot/rust-procs'...
$ git fetch origin 76797a3ac85428e1f683a82d052af9720cf3ea6d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-procs
 * [new ref]         76797a3ac85428e1f683a82d052af9720cf3ea6d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 76797a3 Re-add licenses