We can disable selecting a commit if there is only 1.
Patch 7c1d0860518dc53a56d8cd897fd5cbb8834d43f8 fixes this
7c1d0860518dc53a56d8cd897fd5cbb8834d43f8
Patch
7c1d0860518dc53a56d8cd897fd5cbb8834d43f8fixes this