$ git clone -n https://git.cclinux.org/stage/rpms/firefox.git /var/lib/mock/dist-circle8_6-updates-build-64747-22981/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/dist-circle8_6-updates-build-64747-22981/root/chroot_tmpdir/scmroot/firefox'...
$ git reset --hard 17fe12eec1601432db46127e7e034b02613ec684
HEAD is now at 17fe12e import firefox-91.9.1-1.el8_6