thodg/libgit2/examples/showindex.c

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• Hash : 37f9e409
  Author :
  Date : 2013-09-13T21:43:00
  

  Some tests with ident and crlf filters
  
  Fixed the filter order to match core Git, too.
  
  This test demonstrates an interesting behavior of core Git (which
  is totally reasonable and which libgit2 matches, although mostly
  by coincidence).  If you use the ident filter and commit a file
  with a garbage ident in it, like '$Id: this is just garbage$' and
  then immediately do a 'git checkout-index' with the new file, Git
  will not consider the file out of date and will not overwrite the
  file with an updated $Id$.  Libgit2 has the same behavior.  If you
  remove the file and then do a checkout-index, it will be replaced
  with a filtered version that has injected the OID correctly.
  

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• examples/showindex.c

• #include <git2.h>
  #include <stdio.h>
  #include <string.h>
  
  int main (int argc, char** argv)
  {
  	git_repository *repo = NULL;
  	git_index *index;
  	unsigned int i, ecount;
  	char *dir = ".";
  	size_t dirlen;
  	char out[41];
  	out[40] = '\0';
  
  	git_threads_init();
  
  	if (argc > 1)
  		dir = argv[1];
  	if (!dir || argc > 2) {
  		fprintf(stderr, "usage: showindex [<repo-dir>]\n");
  		return 1;
  	}
  
  	dirlen = strlen(dir);
  	if (dirlen > 5 && strcmp(dir + dirlen - 5, "index") == 0) {
  		if (git_index_open(&index, dir) < 0) {
  			fprintf(stderr, "could not open index: %s\n", dir);
  			return 1;
  		}
  	} else {
  		if (git_repository_open_ext(&repo, dir, 0, NULL) < 0) {
  			fprintf(stderr, "could not open repository: %s\n", dir);
  			return 1;
  		}
  		if (git_repository_index(&index, repo) < 0) {
  			fprintf(stderr, "could not open repository index\n");
  			return 1;
  		}
  	}
  
  	git_index_read(index);
  
  	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_repository_free(repo);
  
  	git_threads_shutdown();
  
  	return 0;
  }
  
  

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