1 files changed, 22 insertions, 0 deletions
diff --git a/config.c b/config.c
index 777527dae..d0d8ce823 100644
--- a/config.c
+++ b/config.c
@@ -2094,6 +2094,28 @@ int git_config_get_expiry(const char *key, const char **output)
 	return ret;
 }
 
+int git_config_get_expiry_in_days(const char *key, timestamp_t *expiry, timestamp_t now)
+{
+	char *expiry_string;
+	intmax_t days;
+	timestamp_t when;
+
+	if (git_config_get_string(key, &expiry_string))
+		return 1; /* no such thing */
+
+	if (git_parse_signed(expiry_string, &days, maximum_signed_value_of_type(int))) {
+		const int scale = 86400;
+		*expiry = now - days * scale;
+		return 0;
+	}
+
+	if (!parse_expiry_date(expiry_string, &when)) {
+		*expiry = when;
+		return 0;
+	}
+	return -1; /* thing exists but cannot be parsed */
+}
+
 int git_config_get_untracked_cache(void)
 {
 	int val = -1;