$ git clone -n https://src.fedoraproject.org/rpms/awscli2.git /var/lib/mock/f40-build-1500820-23881/root/chroot_tmpdir/scmroot/awscli2
Cloning into '/var/lib/mock/f40-build-1500820-23881/root/chroot_tmpdir/scmroot/awscli2'...
$ git fetch origin ba5a737fab327b641c872747fb91c60b9ea84c51:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/awscli2
 * [new ref]         ba5a737fab327b641c872747fb91c60b9ea84c51 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ba5a737 Update to 2.17.6 upstream release