$ git clone -n https://git.cclinux.org/stage/rpms/firefox.git /mnt/compose/mock/dist-circle8-update-firefox-build-111332-68027/root/chroot_tmpdir/scmroot/firefox
Cloning into '/mnt/compose/mock/dist-circle8-update-firefox-build-111332-68027/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin 91c376b716cb3024e0318a65e1817ca3b5b9bb39:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/firefox
 * [new ref]         91c376b716cb3024e0318a65e1817ca3b5b9bb39 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 91c376b import firefox-115.7.0-1.el8_9