$ git clone -n https://git.cclinux.org/stage/rpms/libproxy.git /var/lib/mock/dist-circle8_10-updates-build-118951-83006/root/chroot_tmpdir/scmroot/libproxy
Cloning into '/var/lib/mock/dist-circle8_10-updates-build-118951-83006/root/chroot_tmpdir/scmroot/libproxy'...
$ git fetch origin 5f2f7a8cf5e19046e797c72cf759ff0dcabac0f1:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/libproxy
 * [new ref]         5f2f7a8cf5e19046e797c72cf759ff0dcabac0f1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5f2f7a8 import libproxy-0.4.15-5.5.el8_10