http-fetch: refactor into function

cmd_main() in http-fetch.c will grow in a future patch, so refactor the
HTTP walking part into its own function.

Signed-off-by: Jonathan Tan <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

http-fetch.c

@@ -7,16 +7,49 @@
 static const char http_fetch_usage[] = "git http-fetch "
 "[-c] [-t] [-a] [-v] [--recover] [-w ref] [--stdin] commit-id url";
 
-int cmd_main(int argc, const char **argv)
+static int fetch_using_walker(const char *raw_url, int get_verbosely,
+			      int get_recover, int commits, char **commit_id,
+			      const char **write_ref, int commits_on_stdin)
 {
+	char *url = NULL;
 	struct walker *walker;
+	int rc;
+
+	str_end_url_with_slash(raw_url, &url);
+
+	http_init(NULL, url, 0);
+
+	walker = get_http_walker(url);
+	walker->get_verbosely = get_verbosely;
+	walker->get_recover = get_recover;
+	walker->get_progress = 0;
+
+	rc = walker_fetch(walker, commits, commit_id, write_ref, url);
+
+	if (commits_on_stdin)
+		walker_targets_free(commits, commit_id, write_ref);
+
+	if (walker->corrupt_object_found) {
+		fprintf(stderr,
+"Some loose object were found to be corrupt, but they might be just\n"
+"a false '404 Not Found' error message sent with incorrect HTTP\n"
+"status code.  Suggest running 'git fsck'.\n");
+	}
+
+	walker_free(walker);
+	http_cleanup();
+	free(url);
+
+	return rc;
+}
+
+int cmd_main(int argc, const char **argv)
+{
 	int commits_on_stdin = 0;
 	int commits;
 	const char **write_ref = NULL;
 	char **commit_id;
-	char *url = NULL;
 	int arg = 1;
-	int rc = 0;
 	int get_verbosely = 0;
 	int get_recover = 0;
 
@@ -47,34 +80,14 @@ int cmd_main(int argc, const char **argv)
 		commits = 1;
 	}
 
-	if (argv[arg])
-		str_end_url_with_slash(argv[arg], &url);
-
 	setup_git_directory();
 
 	git_config(git_default_config, NULL);
 
-	http_init(NULL, url, 0);
-	walker = get_http_walker(url);
-	walker->get_verbosely = get_verbosely;
-	walker->get_recover = get_recover;
-
-	rc = walker_fetch(walker, commits, commit_id, write_ref, url);
-
-	if (commits_on_stdin)
-		walker_targets_free(commits, commit_id, write_ref);
+	if (!argv[arg])
+		BUG("must have one arg remaining");
 
-	if (walker->corrupt_object_found) {
-		fprintf(stderr,
-"Some loose object were found to be corrupt, but they might be just\n"
-"a false '404 Not Found' error message sent with incorrect HTTP\n"
-"status code.  Suggest running 'git fsck'.\n");
-	}
-
-	walker_free(walker);
-	http_cleanup();
-
-	free(url);
-
-	return rc;
+	return fetch_using_walker(argv[arg], get_verbosely, get_recover,
+				  commits, commit_id, write_ref,
+				  commits_on_stdin);
 }