thodg/libgit2/src/config_cache.c

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• Hash : e54343a4
  Author :
  Date : 2019-06-29T09:17:32
  

  fileops: rename to "futils.h" to match function signatures Our file utils functions all have a "futils" prefix, e.g. `git_futils_touch`. One would thus naturally guess that their definitions and implementation would live in files "futils.h" and "futils.c", respectively, but in fact they live in "fileops.h". Rename the files to match expectations.

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• src/config_cache.c

• /*
   * 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.
   */
  
  #include "common.h"
  
  #include "futils.h"
  #include "repository.h"
  #include "config.h"
  #include "git2/config.h"
  #include "vector.h"
  #include "filter.h"
  
  struct map_data {
  	const char *name;
  	git_configmap *maps;
  	size_t map_count;
  	int default_value;
  };
  
  /*
   *	core.eol
   *		Sets the line ending type to use in the working directory for
   *	files that have the text property set. Alternatives are lf, crlf
   *	and native, which uses the platform's native line ending. The default
   *	value is native. See gitattributes(5) for more information on
   *	end-of-line conversion.
   */
  static git_configmap _configmap_eol[] = {
  	{GIT_CONFIGMAP_FALSE, NULL, GIT_EOL_UNSET},
  	{GIT_CONFIGMAP_STRING, "lf", GIT_EOL_LF},
  	{GIT_CONFIGMAP_STRING, "crlf", GIT_EOL_CRLF},
  	{GIT_CONFIGMAP_STRING, "native", GIT_EOL_NATIVE}
  };
  
  /*
   *	core.autocrlf
   *		Setting this variable to "true" is almost the same as setting
   *	the text attribute to "auto" on all files except that text files are
   *	not guaranteed to be normalized: files that contain CRLF in the
   *	repository will not be touched. Use this setting if you want to have
   *	CRLF line endings in your working directory even though the repository
   *	does not have normalized line endings. This variable can be set to input,
   *	in which case no output conversion is performed.
   */
  static git_configmap _configmap_autocrlf[] = {
  	{GIT_CONFIGMAP_FALSE, NULL, GIT_AUTO_CRLF_FALSE},
  	{GIT_CONFIGMAP_TRUE, NULL, GIT_AUTO_CRLF_TRUE},
  	{GIT_CONFIGMAP_STRING, "input", GIT_AUTO_CRLF_INPUT}
  };
  
  static git_configmap _configmap_safecrlf[] = {
  	{GIT_CONFIGMAP_FALSE, NULL, GIT_SAFE_CRLF_FALSE},
  	{GIT_CONFIGMAP_TRUE, NULL, GIT_SAFE_CRLF_FAIL},
  	{GIT_CONFIGMAP_STRING, "warn", GIT_SAFE_CRLF_WARN}
  };
  
  static git_configmap _configmap_logallrefupdates[] = {
  	{GIT_CONFIGMAP_FALSE, NULL, GIT_LOGALLREFUPDATES_FALSE},
  	{GIT_CONFIGMAP_TRUE, NULL, GIT_LOGALLREFUPDATES_TRUE},
  	{GIT_CONFIGMAP_STRING, "always", GIT_LOGALLREFUPDATES_ALWAYS},
  };
  
  /*
   * Generic map for integer values
   */
  static git_configmap _configmap_int[] = {
  	{GIT_CONFIGMAP_INT32, NULL, 0},
  };
  
  static struct map_data _configmaps[] = {
  	{"core.autocrlf", _configmap_autocrlf, ARRAY_SIZE(_configmap_autocrlf), GIT_AUTO_CRLF_DEFAULT},
  	{"core.eol", _configmap_eol, ARRAY_SIZE(_configmap_eol), GIT_EOL_DEFAULT},
  	{"core.symlinks", NULL, 0, GIT_SYMLINKS_DEFAULT },
  	{"core.ignorecase", NULL, 0, GIT_IGNORECASE_DEFAULT },
  	{"core.filemode", NULL, 0, GIT_FILEMODE_DEFAULT },
  	{"core.ignorestat", NULL, 0, GIT_IGNORESTAT_DEFAULT },
  	{"core.trustctime", NULL, 0, GIT_TRUSTCTIME_DEFAULT },
  	{"core.abbrev", _configmap_int, 1, GIT_ABBREV_DEFAULT },
  	{"core.precomposeunicode", NULL, 0, GIT_PRECOMPOSE_DEFAULT },
  	{"core.safecrlf", _configmap_safecrlf, ARRAY_SIZE(_configmap_safecrlf), GIT_SAFE_CRLF_DEFAULT},
  	{"core.logallrefupdates", _configmap_logallrefupdates, ARRAY_SIZE(_configmap_logallrefupdates), GIT_LOGALLREFUPDATES_DEFAULT},
  	{"core.protecthfs", NULL, 0, GIT_PROTECTHFS_DEFAULT },
  	{"core.protectntfs", NULL, 0, GIT_PROTECTNTFS_DEFAULT },
  	{"core.fsyncobjectfiles", NULL, 0, GIT_FSYNCOBJECTFILES_DEFAULT },
  };
  
  int git_config__configmap_lookup(int *out, git_config *config, git_configmap_item item)
  {
  	int error = 0;
  	struct map_data *data = &_configmaps[(int)item];
  	git_config_entry *entry;
  
  	if ((error = git_config__lookup_entry(&entry, config, data->name, false)) < 0)
  		return error;
  
  	if (!entry)
  		*out = data->default_value;
  	else if (data->maps)
  		error = git_config_lookup_map_value(
  			out, data->maps, data->map_count, entry->value);
  	else
  		error = git_config_parse_bool(out, entry->value);
  
  	git_config_entry_free(entry);
  	return error;
  }
  
  int git_repository__configmap_lookup(int *out, git_repository *repo, git_configmap_item item)
  {
  	*out = repo->configmap_cache[(int)item];
  
  	if (*out == GIT_CONFIGMAP_NOT_CACHED) {
  		int error;
  		git_config *config;
  
  		if ((error = git_repository_config__weakptr(&config, repo)) < 0 ||
  			(error = git_config__configmap_lookup(out, config, item)) < 0)
  			return error;
  
  		repo->configmap_cache[(int)item] = *out;
  	}
  
  	return 0;
  }
  
  void git_repository__configmap_lookup_cache_clear(git_repository *repo)
  {
  	int i;
  
  	for (i = 0; i < GIT_CONFIGMAP_CACHE_MAX; ++i)
  		repo->configmap_cache[i] = GIT_CONFIGMAP_NOT_CACHED;
  }
  
  

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