thodg/libgit2/examples/network/ls-remote.c

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• Hash : baaa8a44
  Author :
  Date : 2012-05-03T20:25:56
  

  remotes: change git_remote_new's signature Add a fetch refspec arguemnt and make the arguments (name, url, refspec), as that order makes more sense.

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• examples/network/ls-remote.c

• #include <git2.h>
  #include <stdlib.h>
  #include <stdio.h>
  #include <string.h>
  #include "common.h"
  
  static int show_ref__cb(git_remote_head *head, void *payload)
  {
  	char oid[GIT_OID_HEXSZ + 1] = {0};
  	git_oid_fmt(oid, &head->oid);
  	printf("%s\t%s\n", oid, head->name);
  	return GIT_SUCCESS;
  }
  
  int use_unnamed(git_repository *repo, const char *url)
  {
  	git_remote *remote = NULL;
  	int error;
  
  	// Create an instance of a remote from the URL. The transport to use
  	// is detected from the URL
  	error = git_remote_new(&remote, repo, NULL, url, NULL);
  	if (error < GIT_SUCCESS)
  		goto cleanup;
  
  	// When connecting, the underlying code needs to know wether we
  	// want to push or fetch
  	error = git_remote_connect(remote, GIT_DIR_FETCH);
  	if (error < GIT_SUCCESS)
  		goto cleanup;
  
  	// With git_remote_ls we can retrieve the advertised heads
  	error = git_remote_ls(remote, &show_ref__cb, NULL);
  
  cleanup:
  	git_remote_free(remote);
  	return error;
  }
  
  int use_remote(git_repository *repo, char *name)
  {
  	git_remote *remote = NULL;
  	int error;
  
  	// Find the remote by name
  	error = git_remote_load(&remote, repo, name);
  	if (error < GIT_SUCCESS)
  		goto cleanup;
  
  	error = git_remote_connect(remote, GIT_DIR_FETCH);
  	if (error < GIT_SUCCESS)
  		goto cleanup;
  
  	error = git_remote_ls(remote, &show_ref__cb, NULL);
  
  cleanup:
  	git_remote_free(remote);
  	return error;
  }
  
  // This gets called to do the work. The remote can be given either as
  // the name of a configured remote or an URL.
  
  int ls_remote(git_repository *repo, int argc, char **argv)
  {
  	int error, i;
  
  	/* If there's a ':' in the name, assume it's an URL */
  	if (strchr(argv[1], ':') != NULL) {
  		error = use_unnamed(repo, argv[1]);
  	} else {
  		error = use_remote(repo, argv[1]);
  	}
  
  	return error;
  }
  

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