$ git clone -n https://git.cclinux.org/stage/rpms/thunderbird.git /mnt/compose/mock/dist-circle8-update-firefox-build-104039-54242/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/mnt/compose/mock/dist-circle8-update-firefox-build-104039-54242/root/chroot_tmpdir/scmroot/thunderbird'...
$ git fetch origin a4ea1747889664f4857776d17df44b7ca6c96440:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/thunderbird
 * [new ref]         a4ea1747889664f4857776d17df44b7ca6c96440 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a4ea174 import thunderbird-102.15.1-1.el8_8