Generate Haddocks HTML documentation for the cabal project.

Usage: cabal haddock-project [FLAGS]
   or: cabal haddock-project COMPONENTS [FLAGS]

Requires the program haddock, version 2.26.

Flags for haddock-project:
 -h, --help                   # Show this help text
 -v[n], --verbose[=n]         # Control verbosity (n is 0--3, default
                                verbosity level is 1)
 --builddir=DIR               # The directory where Cabal puts generated build
                                files (default dist)
 --cabal-file=PATH            # use this Cabal file
 --keep-temp-files            # Keep temporary files.
 --hackage                    # A short-cut option to build documentation
                                linked to hackage.
 --output[=DIRECTORY]         # Output directory
 --prologue[=PATH]            # File path to a prologue file in haddock format
 --hoogle                     # Generate a hoogle database
 --html-location=URL          # Location of HTML documentation for
                                pre-requisite packages
 --executables                # Run haddock for Executables targets
 --tests                      # Run haddock for Test Suite targets
 --benchmarks                 # Run haddock for Benchmark targets
 --foreign-libraries          # Run haddock for Foreign Library targets
 --all                        # Run haddock for all targets
 --internal                   # Run haddock for internal modules and include
                                all symbols
 --css=PATH                   # Use PATH as the haddock stylesheet
 --hscolour-css=PATH          # Use PATH as the HsColour stylesheet
 --resources-dir=DIR          # Location of Haddocks static / auxiliary files
 --use-unicode                # Pass --use-unicode option to haddock
 --with-ghc=PATH              # Give the path to ghc
 --with-haddock=PATH          # Give the path to haddock
 --PROG-option=OPT            # Give an extra option to PROG (passed directly
                                to PROG as a single argument)
 --ghc-options=OPTS           # Give extra options to ghc (split on spaces,
                                use "" to prevent splitting)
 --haddock-options=OPTS       # Give extra options to haddock (split on
                                spaces, use "" to prevent splitting)
