Generate a source distribution file (.tar.gz).

Usage: cabal sdist [FLAGS]

Flags for sdist:
 -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.
 --list-sources=FILE          # Just write a list of the package's sources to
                                a file
 --snapshot                   # Produce a snapshot source distribution
 --output-directory=DIR       # Generate a source distribution in the given
                                directory, without creating a tarball
