url: introduce `git_net_url_matches_pattern_list`

Provide a utility method on a url to determine if it matches any pattern
in a comma-separated list, similar to what one would find in `NO_PROXY`
environment variables.

2 files changed, 22 insertions, 0 deletions

diff --git a/src/net.c b/src/net.c
index f3cca5da7..3322f68c2 100644
--- a/src/net.c
+++ b/src/net.c
@@ -459,6 +459,25 @@ bool git_net_url_matches_pattern(git_net_url *url, const char *pattern)
 	return matches_pattern(url, pattern, strlen(pattern));
 }
 
+bool git_net_url_matches_pattern_list(
+	git_net_url *url,
+	const char *pattern_list)
+{
+	const char *pattern, *pattern_end, *sep;
+
+	for (pattern = pattern_list;
+	     pattern && *pattern;
+	     pattern = sep ? sep + 1 : NULL) {
+		sep = strchr(pattern, ',');
+		pattern_end = sep ? sep : strchr(pattern, '\0');
+
+		if (matches_pattern(url, pattern, (pattern_end - pattern)))
+			return true;
+	}
+
+	return false;
+}
+
 void git_net_url_dispose(git_net_url *url)
 {
 	if (url->username)
diff --git a/src/net.h b/src/net.h
index 4d4c7c7fe..971e002b6 100644
--- a/src/net.h
+++ b/src/net.h
@@ -58,6 +58,9 @@ extern int git_net_url_fmt_path(git_buf *buf, git_net_url *url);
 extern bool git_net_url_matches_pattern(
 	git_net_url *url,
 	const char *pattern);
+extern bool git_net_url_matches_pattern_list(
+	git_net_url *url,
+	const char *pattern_list);
 
 /** Disposes the contents of the structure. */
 extern void git_net_url_dispose(git_net_url *url);