$ git clone -n https://src.fedoraproject.org/rpms/plasma-browser-integration.git /var/lib/mock/f41-build-1030862-18484/root/chroot_tmpdir/scmroot/plasma-browser-integration
Cloning into '/var/lib/mock/f41-build-1030862-18484/root/chroot_tmpdir/scmroot/plasma-browser-integration'...
$ git fetch origin 64b6ef7b2434ecc2e28bfaca6c6a697404785dd2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-browser-integration
 * [new ref]         64b6ef7b2434ecc2e28bfaca6c6a697404785dd2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 64b6ef7 6.1.0