log -m -p --first-parent master
log -m -p master
log -SF master
+log -S F master
log -SF -p master
log --decorate --all
log --decorate=full --all
diff --dirstat master~1 master~2
EOF
+test_expect_success 'log -S requires an argument' '
+ test_must_fail git log -S
+'
+
test_done