$ git clone -n https://src.fedoraproject.org/rpms/plasma-breeze.git /var/lib/mock/f40-build-2097856-50437/root/chroot_tmpdir/scmroot/plasma-breeze
Cloning into '/var/lib/mock/f40-build-2097856-50437/root/chroot_tmpdir/scmroot/plasma-breeze'...
$ git fetch origin 4ccc5a90e5f87d3530da2480800fc210cc0d9a32:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-breeze
 * [new ref]         4ccc5a90e5f87d3530da2480800fc210cc0d9a32 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ccc5a9 fix: rebuild