$ git clone -n https://git.cclinux.org/stage/rpms/firefox.git /mnt/compose/mock/dist-circle8-update-firefox-build-103716-53978/root/chroot_tmpdir/scmroot/firefox
Cloning into '/mnt/compose/mock/dist-circle8-update-firefox-build-103716-53978/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin 57a1b53f5deb39bf4302fb087f22c29b6f900ae9:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/firefox
 * [new ref]         57a1b53f5deb39bf4302fb087f22c29b6f900ae9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 57a1b53 import firefox-102.15.0-1.el8_8