thodg/libgit2/src/cli/opt_usage.h

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• Hash : 8526cbd5
  Author :
  Date : 2021-11-26T09:37:29
  

  opt: use a custom function to print usage Our argument parser (https://github.com/ethomson/adopt) includes a function to print a usage message based on the allowed options. Omit this and use a cutom function that understands that we have subcommands ("checkout", "revert", etc) that each have their own options.

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• src/cli/opt_usage.h

• /*
   * Copyright (C) the libgit2 contributors. All rights reserved.
   *
   * This file is part of libgit2, distributed under the GNU GPL v2 with
   * a Linking Exception. For full terms see the included COPYING file.
   */
  
  #ifndef CLI_opt_usage_h__
  #define CLI_opt_usage_h__
  
  /**
   * Prints usage information to the given file handle.
   *
   * @param file The file to print information to
   * @param command The name of the command to use when printing
   * @param subcommand The name of the subcommand (eg "checkout") to use when printing, or NULL to skip
   * @param specs The specifications allowed by the command
   * @return 0 on success, -1 on failure
   */
  int cli_opt_usage_fprint(
  	FILE *file,
  	const char *command,
  	const char *subcommand,
  	const cli_opt_spec specs[]);
  
  int cli_opt_usage_error(
  	const char *subcommand,
  	const cli_opt_spec specs[],
  	const cli_opt *invalid_opt);
  
  int cli_opt_help_fprint(
  	FILE *file,
  	const cli_opt_spec specs[]);
  
  #endif /* CLI_opt_usage_h__ */
  

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