/*
** COMMAND: patch
**
** Usage: %fossil patch SUBCOMMAND ?ARGS ..?
**
** This command is used to creates, view, and apply Fossil binary patches.
** A Fossil binary patch is a single (binary) file that captures all of the
** uncommitted changes of a check-out.  Use Fossil binary patches to transfer
** proposed or incomplete changes between machines for testing or analysis.
**
** > fossil patch create [DIRECTORY] FILENAME
**
**       Create a new binary patch in FILENAME that captures all uncommitted
**       changes in the check-out at DIRECTORY, or the current directory if
**       DIRECTORY is omitted.  If FILENAME is "-" then the binary patch
**       is written to standard output.
**
**           -f|--force     Overwrite an existing patch with the same name.
**
** > fossil patch apply [DIRECTORY] FILENAME
**
**       Apply the changes in FILENAME to the check-out a DIRECTORY, or
**       in the current directory if DIRECTORY is omitted. Options:
**
**           -f|--force     Apply the patch even though there are unsaved
**                          changes in the current check-out.
**           -n|--dryrun    Do nothing, but print what would have happened.
**           -v|--verbose   Extra output explaining what happens.
**

**           -f|--force     Apply the patch even though there are unsaved
**                          changes in the current check-out.
**           -n|--dryrun    Do nothing, but print what would have happened.
**           -v|--verbose   Extra output explaining what happens.
**
** > fossil patch view FILENAME
**
**       View a summary of the the changes in the binary patch FILENAME.
**       Use "fossil patch diff" for detailed patch content.
**
**           -v|--verbose   Show extra detail about the patch.
**
*/
void patch_cmd(void){
  const char *zCmd;