From e4b37f2b2691fb6c6821e3dd4a4dcabf86b5801f Mon Sep 17 00:00:00 2001
From: Anshul Gupta <ansg191@anshulg.com>
Date: Fri, 11 Apr 2025 13:15:54 -0700
Subject: Add option to skip forks

---
 src/config.c | 14 +++++++++++++-
 src/config.h |  3 +++
 src/main.c   |  6 ++++++
 3 files changed, 22 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/config.c b/src/config.c
index 154127e..a80aefb 100644
--- a/src/config.c
+++ b/src/config.c
@@ -170,7 +170,19 @@ static int parse_line_inner(struct config *cfg, enum config_section section,
 			cfg->head->user_agent = value;
 		else if (!strcmp(key, "owner"))
 			cfg->head->owner = value;
-		else {
+		else if (!strcmp(key, "skip-forks")) {
+			if (!strcmp(value, "true"))
+				cfg->head->skip_forks = 1;
+			else if (!strcmp(value, "false"))
+				cfg->head->skip_forks = 0;
+			else {
+				fprintf(stderr,
+					"Error parsing config file: "
+					"invalid value for skip-forks: %s\n",
+					value);
+				return -1;
+			}
+		} else {
 			fprintf(stderr,
 				"Error parsing config file: unknown key: %s\n",
 				key);
diff --git a/src/config.h b/src/config.h
index 13f2649..0f4709f 100644
--- a/src/config.h
+++ b/src/config.h
@@ -13,6 +13,9 @@
 extern const char *config_locations[];
 
 struct github_cfg {
+	/// Whether to skip mirroring fork repositories
+	int skip_forks;
+
 	// Borrowed
 	/// Github graphql API endpoint
 	const char *endpoint;
diff --git a/src/main.c b/src/main.c
index 64c369f..3bba961 100644
--- a/src/main.c
+++ b/src/main.c
@@ -88,6 +88,12 @@ static int mirror_owner(const char *git_base, const struct github_cfg *cfg)
 			return -1;
 
 		for (size_t i = 0; i < res.repos_len; i++) {
+			if (cfg->skip_forks && res.repos[i].is_fork) {
+				fprintf(stderr, "Skipping forked repo: %s\n",
+					res.repos[i].name);
+				continue;
+			}
+
 			printf("Repo: %s\t%s\n", res.repos[i].name,
 			       res.repos[i].url);
 
-- 
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