thodg/libgit2/examples/showindex.c

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• Hash : 4bf630b6
  Author :
  Date : 2013-10-31T14:36:52
  

  Make diff and status perform soft index reload This changes `git_index_read` to have two modes - a hard index reload that always resets the index to match the on-disk data (which was the old behavior) and a soft index reload that uses the timestamp / file size information and only replaces the index data if the file on disk has been modified. This then updates the git_status code to do a soft reload unless the new GIT_STATUS_OPT_NO_REFRESH flag is passed in. This also changes the behavior of the git_diff functions that use the index so that when an index is not explicitly passed in (i.e. when the functions call git_repository_index for you), they will also do a soft reload for you. This intentionally breaks the file signature of git_index_read because there has been some confusion about the behavior previously and it seems like all existing uses of the API should probably be examined to select the desired behavior.

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• examples/showindex.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"
  
  int main (int argc, char** argv)
  {
  	git_index *index;
  	unsigned int i, ecount;
  	char *dir = ".";
  	size_t dirlen;
  	char out[41];
  	out[40] = '\0';
  
  	git_threads_init();
  
  	if (argc > 2)
  		fatal("usage: showindex [<repo-dir>]", NULL);
  	if (argc > 1)
  		dir = argv[1];
  
  	dirlen = strlen(dir);
  	if (dirlen > 5 && strcmp(dir + dirlen - 5, "index") == 0) {
  		check_lg2(git_index_open(&index, dir), "could not open index", dir);
  	} else {
  		git_repository *repo;
  		check_lg2(git_repository_open_ext(&repo, dir, 0, NULL), "could not open repository", dir);
  		check_lg2(git_repository_index(&index, repo), "could not open repository index", NULL);
  		git_repository_free(repo);
  	}
  
  	git_index_read(index, 0);
  
  	ecount = git_index_entrycount(index);
  	if (!ecount)
  		printf("Empty index\n");
  
  	for (i = 0; i < ecount; ++i) {
  		const git_index_entry *e = git_index_get_byindex(index, i);
  
  		git_oid_fmt(out, &e->oid);
  
  		printf("File Path: %s\n", e->path);
  		printf("    Stage: %d\n", git_index_entry_stage(e));
  		printf(" Blob SHA: %s\n", out);
  		printf("File Mode: %07o\n", e->mode);
  		printf("File Size: %d bytes\n", (int)e->file_size);
  		printf("Dev/Inode: %d/%d\n", (int)e->dev, (int)e->ino);
  		printf("  UID/GID: %d/%d\n", (int)e->uid, (int)e->gid);
  		printf("    ctime: %d\n", (int)e->ctime.seconds);
  		printf("    mtime: %d\n", (int)e->mtime.seconds);
  		printf("\n");
  	}
  
  	git_index_free(index);
  	git_threads_shutdown();
  
  	return 0;
  }
  

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