$ git clone -n https://git.cclinux.org/stage/rpms/thunderbird.git /mnt/compose/mock/dist-circle8-update-firefox-build-103638-53713/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/mnt/compose/mock/dist-circle8-update-firefox-build-103638-53713/root/chroot_tmpdir/scmroot/thunderbird'...
$ git fetch origin 3106a99f05155b6951c4ee3112b830464dfb6614:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/thunderbird
 * [new ref]         3106a99f05155b6951c4ee3112b830464dfb6614 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3106a99 import thunderbird-102.14.0-3.el8_8