$ git clone -n https://git.cclinux.org/stage/rpms/thunderbird.git /var/lib/mock/dist-circle8-update-firefox-build-118816-82520/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/var/lib/mock/dist-circle8-update-firefox-build-118816-82520/root/chroot_tmpdir/scmroot/thunderbird'...
$ git fetch origin aba7ad8231c039e79e30f208624dd1fe02b6396b:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/thunderbird
 * [new ref]         aba7ad8231c039e79e30f208624dd1fe02b6396b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aba7ad8 import thunderbird-128.3.1-1.el8_10