From e92021e0c925e20bdfe3f94eeb19f0f0eb6c5f7d Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Fri, 18 Aug 2023 18:13:19 -0700
Subject: [PATCH] config: repeatablestring must copy values it parses into
 arena

---
 src/config.zig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/config.zig b/src/config.zig
index 773017a9a..a39e29814 100644
--- a/src/config.zig
+++ b/src/config.zig
@@ -1176,7 +1176,8 @@ pub const RepeatableString = struct {
 
     pub fn parseCLI(self: *Self, alloc: Allocator, input: ?[]const u8) !void {
         const value = input orelse return error.ValueRequired;
-        try self.list.append(alloc, value);
+        const copy = try alloc.dupe(u8, value);
+        try self.list.append(alloc, copy);
     }
 
     /// Deep copy of the struct. Required by Config.