$ git clone -n https://git.cclinux.org/stage/rpms/thunderbird.git /var/lib/mock/dist-circle8-update-firefox-build-118824-82529/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/var/lib/mock/dist-circle8-update-firefox-build-118824-82529/root/chroot_tmpdir/scmroot/thunderbird'...
$ git fetch origin 1f9cee94554eec4899ef888cdf419b380b79ce06:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/thunderbird
 * [new ref]         1f9cee94554eec4899ef888cdf419b380b79ce06 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1f9cee9 import thunderbird-128.4.0-1.el8_10