Re: [PATCH v16 5/7] bisect: introduce --no-checkout support into porcelain.

Jon Seymour [off-list ref] writes:

+bisect_head()
+{
+	if test -f "$GIT_DIR/BISECT_HEAD"; then
+		echo BISECT_HEAD;
+	else

	if test -f ...
        then
        	echo BISECT_HEAD
	else

+	    --no-checkout)
+		mode=--no-checkout;

You seem to be very fond of extraneous semicolons.

Also I very much prefer to write "then" on its own line, indented at the
same level as "if". Consistently doing so will make your if statement a
lot easier to read when some of them need to have multi-line conditionals.