1 files changed, 37 insertions, 35 deletions
diff --git a/examples/rev-list.c b/examples/rev-list.c
index 1fb7ebf9f..5c0d751a3 100644
--- a/examples/rev-list.c
+++ b/examples/rev-list.c
@@ -1,17 +1,43 @@
-#include <stdio.h>
-#include <string.h>
+/*
+ * libgit2 "rev-list" example - shows how to transform a rev-spec into a list
+ * of commit ids
+ *
+ * Written by the libgit2 contributors
+ *
+ * To the extent possible under law, the author(s) have dedicated all copyright
+ * and related and neighboring rights to this software to the public domain
+ * worldwide. This software is distributed without any warranty.
+ *
+ * You should have received a copy of the CC0 Public Domain Dedication along
+ * with this software. If not, see
+ * <http://creativecommons.org/publicdomain/zero/1.0/>.
+ */
+
+#include "common.h"
+
+static int revwalk_parseopts(git_repository *repo, git_revwalk *walk, int nopts, char **opts);
 
-#include <git2.h>
-
-static void check_error(int error_code, const char *action)
+int main (int argc, char **argv)
 {
-	if (!error_code)
-		return;
+	git_repository *repo;
+	git_revwalk *walk;
+	git_oid oid;
+	char buf[41];
+
+	git_threads_init();
 
-	const git_error *error = giterr_last();
-	fprintf(stderr, "Error %d %s: %s\n", -error_code, action,
-	        (error && error->message) ? error->message : "???");
-	exit(1);
+	check_lg2(git_repository_open_ext(&repo, ".", 0, NULL), "opening repository", NULL);
+	check_lg2(git_revwalk_new(&walk, repo), "allocating revwalk", NULL);
+	check_lg2(revwalk_parseopts(repo, walk, argc-1, argv+1), "parsing options", NULL);
+
+	while (!git_revwalk_next(&oid, walk)) {
+		git_oid_fmt(buf, &oid);
+		buf[40] = '\0';
+		printf("%s\n", buf);
+	}
+
+	git_threads_shutdown();
+	return 0;
 }
 
 static int push_commit(git_revwalk *walk, const git_oid *oid, int hide)
@@ -93,27 +119,3 @@ static int revwalk_parseopts(git_repository *repo, git_revwalk *walk, int nopts,
 	return 0;
 }
 
-int main (int argc, char **argv)
-{
-	int error;
-	git_repository *repo;
-	git_revwalk *walk;
-	git_oid oid;
-	char buf[41];
-
-	error = git_repository_open_ext(&repo, ".", 0, NULL);
-	check_error(error, "opening repository");
-
-	error = git_revwalk_new(&walk, repo);
-	check_error(error, "allocating revwalk");
-	error = revwalk_parseopts(repo, walk, argc-1, argv+1);
-	check_error(error, "parsing options");
-
-	while (!git_revwalk_next(&oid, walk)) {
-		git_oid_fmt(buf, &oid);
-		buf[40] = '\0';
-		printf("%s\n", buf);
-	}
-
-	return 0;
-}