If the manifest isn't a single file format manifest, the -o option
makes no sense, as you cannot export multiple files to a single
stream for display or redirection.
Signed-off-by: Shawn O. Pearce <sop@google.com>
Some of the help text is only related to the XML formatted manifest,
so only display that text if that is the current format.
Signed-off-by: Shawn O. Pearce <sop@google.com>
This can be useful to create a new manifest from an existing client,
especially if the client wants to use the "-r" option to set each
project's revision to the current commit SHA-1, making a sort of a
tag file that can be used to recreate this exact state elsewhere.
Signed-off-by: Shawn O. Pearce <sop@google.com>
