$ git clone -n https://git.cclinux.org/stage/rpms/firefox.git /mnt/compose/mock/dist-circle8-update-firefox-build-104286-54769/root/chroot_tmpdir/scmroot/firefox
Cloning into '/mnt/compose/mock/dist-circle8-update-firefox-build-104286-54769/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin f90d86a3dd31be6e0cbc4e0b62a45ea8ee7ed185:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/firefox
 * [new ref]         f90d86a3dd31be6e0cbc4e0b62a45ea8ee7ed185 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f90d86a import firefox-115.3.1-1.el8_8