$ git clone -n https://git.cclinux.org/stage/rpms/firefox.git /mnt/compose/mock/dist-circle8-update-firefox-build-100439-51080/root/chroot_tmpdir/scmroot/firefox
Cloning into '/mnt/compose/mock/dist-circle8-update-firefox-build-100439-51080/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin 75c1e4a4fda98ed6fb5e300115298137dc061b5a:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/firefox
 * [new ref]         75c1e4a4fda98ed6fb5e300115298137dc061b5a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 75c1e4a import firefox-102.11.0-2.el8_7