Merge branch 'js/partial-urlmatch'

The same as js/partial-urlmatch-2.17, built on more recent codebase
to avoid unnecessary merge conflicts.

* js/partial-urlmatch:
  credential: handle `credential.<partial-URL>.<key>` again
  credential: optionally allow partial URLs in credential_from_url_gently()

credential.c

@@ -86,6 +86,22 @@ static int select_all(const struct urlmatch_item *a,
 	return 0;
 }
 
+static int match_partial_url(const char *url, void *cb)
+{
+	struct credential *c = cb;
+	struct credential want = CREDENTIAL_INIT;
+	int matches = 0;
+
+	if (credential_from_potentially_partial_url(&want, url) < 0)
+		warning(_("skipping credential lookup for key: credential.%s"),
+			url);
+	else
+		matches = credential_match(&want, c);
+	credential_clear(&want);
+
+	return matches;
+}
+
 static void credential_apply_config(struct credential *c)
 {
 	char *normalized_url;
@@ -105,6 +121,7 @@ static void credential_apply_config(struct credential *c)
 	config.collect_fn = credential_config_callback;
 	config.cascade_fn = NULL;
 	config.select_fn = select_all;
+	config.fallback_match_fn = match_partial_url;
 	config.cb = c;
 
 	credential_format(c, &url);

urlmatch.c

@@ -572,10 +572,14 @@ int urlmatch_config_entry(const char *var, const char *value, void *cb)
 
 		config_url = xmemdupz(key, dot - key);
 		norm_url = url_normalize_1(config_url, &norm_info, 1);
-		free(config_url);
+		if (norm_url)
-		if (!norm_url)
-			return 0;
 			retval = match_urls(url, &norm_info, &matched);
+		else if (collect->fallback_match_fn)
+			retval = collect->fallback_match_fn(config_url,
+							    collect->cb);
+		else
+			retval = 0;
+		free(config_url);
 		free(norm_url);
 		if (!retval)
 			return 0;

urlmatch.h

@@ -59,6 +59,11 @@ struct urlmatch_config {
 	 * specificity rules) than existing.
 	 */
 	int (*select_fn)(const struct urlmatch_item *found, const struct urlmatch_item *existing);
+	/*
+	 * An optional callback to allow e.g. for partial URLs; it shall
+	 * return 1 or 0 depending whether `url` matches or not.
+	 */
+	int (*fallback_match_fn)(const char *url, void *cb);
 };
 
 int urlmatch_config_entry(const char *var, const char *value, void *cb);