add.c example: deploy helpers, reorg

examples/add.c

@@ -14,19 +14,49 @@ struct print_payload {
 	git_repository *repo;
 };
 
-void init_array(git_strarray *array, int argc, char **argv)
+/* Forward declarations for helpers */
+static void parse_opts(int *options, int *count, int argc, char *argv[]);
+void init_array(git_strarray *array, int argc, char **argv);
+int print_matched_cb(const char *path, const char *matched_pathspec, void *payload);
+
+int main (int argc, char** argv)
 {
-	unsigned int i;
+	git_index_matched_path_cb matched_cb = NULL;
+	git_repository *repo = NULL;
+	git_index *index;
+	git_strarray array = {0};
+	int options = 0, count = 0;
+	struct print_payload payload = {0};
 
-	array->count = argc;
-	array->strings = malloc(sizeof(char*) * array->count);
-	assert(array->strings!=NULL);
+	git_threads_init();
 
-	for(i=0; i<array->count; i++) {
-		array->strings[i]=argv[i];
+	parse_opts(&options, &count, argc, argv);
+
+	init_array(&array, argc-count, argv+count);
+
+	check_lg2(git_repository_open(&repo, "."), "No git repository", NULL);
+	check_lg2(git_repository_index(&index, repo), "Could not open repository index", NULL);
+
+	if (options&VERBOSE || options&SKIP) {
+		matched_cb = &print_matched_cb;
 	}
 
-	return;
+	payload.options = options;
+	payload.repo = repo;
+
+	if (options&UPDATE) {
+		git_index_update_all(index, &array, matched_cb, &payload);
+	} else {
+		git_index_add_all(index, &array, 0, matched_cb, &payload);
+	}
+
+	git_index_write(index);
+	git_index_free(index);
+	git_repository_free(repo);
+
+	git_threads_shutdown();
+
+	return 0;
 }
 
 int print_matched_cb(const char *path, const char *matched_pathspec, void *payload)
@@ -55,36 +85,46 @@ int print_matched_cb(const char *path, const char *matched_pathspec, void *paylo
 	return ret;
 }
 
+void init_array(git_strarray *array, int argc, char **argv)
+{
+	unsigned int i;
+
+	array->count = argc;
+	array->strings = malloc(sizeof(char*) * array->count);
+	assert(array->strings!=NULL);
+
+	for(i=0; i<array->count; i++) {
+		array->strings[i]=argv[i];
+	}
+
+	return;
+}
+
 void print_usage(void)
 {
 	fprintf(stderr, "usage: add [options] [--] file-spec [file-spec] [...]\n\n");
 	fprintf(stderr, "\t-n, --dry-run    dry run\n");
 	fprintf(stderr, "\t-v, --verbose    be verbose\n");
 	fprintf(stderr, "\t-u, --update     update tracked files\n");
+	exit(1);
 }
 
-
-int main (int argc, char** argv)
+static void parse_opts(int *options, int *count, int argc, char *argv[])
 {
-	git_index_matched_path_cb matched_cb = NULL;
-	git_repository *repo = NULL;
-	git_index *index;
-	git_strarray array = {0};
-	int i, options = 0;
-	struct print_payload payload = {0};
+	int i;
 
 	for (i = 1; i < argc; ++i) {
 		if (argv[i][0] != '-') {
 			break;
 		}
 		else if(!strcmp(argv[i], "--verbose") || !strcmp(argv[i], "-v")) {
-			options |= VERBOSE;
+			*options |= VERBOSE;
 		}
 		else if(!strcmp(argv[i], "--dry-run") || !strcmp(argv[i], "-n")) {
-			options |= SKIP;
+			*options |= SKIP;
 		}
 		else if(!strcmp(argv[i], "--update") || !strcmp(argv[i], "-u")) {
-			options |= UPDATE;
+			*options |= UPDATE;
 		}
 		else if(!strcmp(argv[i], "-h")) {
 			print_usage();
@@ -97,47 +137,11 @@ int main (int argc, char** argv)
 		else {
 			fprintf(stderr, "Unsupported option %s.\n", argv[i]);
 			print_usage();
-			return 1;
 		}
 	}
 
-	if (argc<=i) {
+	if (argc<=i)
 		print_usage();
-		return 1;
-	}
 
-	git_threads_init();
-
-	init_array(&array, argc-i, argv+i);
-
-	if (git_repository_open(&repo, ".") < 0) {
-		fprintf(stderr, "No git repository\n");
-		return 1;
-	}
-
-	if (git_repository_index(&index, repo) < 0) {
-		fprintf(stderr, "Could not open repository index\n");
-		return 1;
-	}
-
-	if (options&VERBOSE || options&SKIP) {
-		matched_cb = &print_matched_cb;
-	}
-
-	payload.options = options;
-	payload.repo = repo;
-
-	if (options&UPDATE) {
-		git_index_update_all(index, &array, matched_cb, &payload);
-	} else {
-		git_index_add_all(index, &array, 0, matched_cb, &payload);
-	}
-
-	git_index_write(index);
-	git_index_free(index);
-	git_repository_free(repo);
-
-	git_threads_shutdown();
-
-	return 0;
+	*count = i;
 }