thodg/libgit2/examples/network/index-pack.c

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• Hash : ad62f2ee
  Author :
  Date : 2013-11-07T12:00:43
  

  update example to new packfile creation signature

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• examples/network/index-pack.c

• #include <git2.h>
  #include <stdlib.h>
  #include <stdio.h>
  #include <string.h>
  #include <sys/types.h>
  #include <sys/stat.h>
  #include <fcntl.h>
  #ifdef _WIN32
  # include <io.h>
  # include <Windows.h>
  
  # define open _open
  # define read _read
  # define close _close
  
  #define ssize_t unsigned int
  #else
  # include <unistd.h>
  #endif
  #include "common.h"
  
  // This could be run in the main loop whilst the application waits for
  // the indexing to finish in a worker thread
  static int index_cb(const git_transfer_progress *stats, void *data)
  {
  	(void)data;
  	printf("\rProcessing %d of %d", stats->indexed_objects, stats->total_objects);
  
  	return 0;
  }
  
  int index_pack(git_repository *repo, int argc, char **argv)
  {
  	git_indexer *idx;
  	git_transfer_progress stats = {0, 0};
  	int error;
  	char hash[GIT_OID_HEXSZ + 1] = {0};
  	int fd;
  	ssize_t read_bytes;
  	char buf[512];
  
  	(void)repo;
  
  	if (argc < 2) {
  		fprintf(stderr, "usage: %s index-pack <packfile>\n", argv[-1]);
  		return EXIT_FAILURE;
  	}
  
  	if (git_indexer_new(&idx, ".", 0, NULL, NULL, NULL) < 0) {
  		puts("bad idx");
  		return -1;
  	}
  
  	if ((fd = open(argv[1], 0)) < 0) {
  		perror("open");
  		return -1;
  	}
  
  	do {
  		read_bytes = read(fd, buf, sizeof(buf));
  		if (read_bytes < 0)
  			break;
  
  		if ((error = git_indexer_append(idx, buf, read_bytes, &stats)) < 0)
  			goto cleanup;
  
  		index_cb(&stats, NULL);
  	} while (read_bytes > 0);
  
  	if (read_bytes < 0) {
  		error = -1;
  		perror("failed reading");
  		goto cleanup;
  	}
  
  	if ((error = git_indexer_commit(idx, &stats)) < 0)
  		goto cleanup;
  
  	printf("\rIndexing %d of %d\n", stats.indexed_objects, stats.total_objects);
  
  	git_oid_fmt(hash, git_indexer_hash(idx));
  	puts(hash);
  
   cleanup:
  	close(fd);
  	git_indexer_free(idx);
  	return error;
  }
  

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