From 638c73776aef397ff04209bb38279c72f0b85136 Mon Sep 17 00:00:00 2001
From: kvtb <76634406+kvtb@users.noreply.github.com>
Date: Sat, 2 Oct 2021 21:04:01 +0000
Subject: [PATCH] fix creation of NAR files >4GB on 32-bit platforms

`size_t` is 32-bit on 32-bit platforms, while the file size can be bigger
---
 src/libutil/archive.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/libutil/archive.cc b/src/libutil/archive.cc
index ed0eb2fb5..d78ec2b93 100644
--- a/src/libutil/archive.cc
+++ b/src/libutil/archive.cc
@@ -42,7 +42,7 @@ static string caseHackSuffix = "~nix~case~hack~";
 PathFilter defaultPathFilter = [](const Path &) { return true; };
 
 
-static void dumpContents(const Path & path, size_t size,
+static void dumpContents(const Path & path, off_t size,
     Sink & sink)
 {
     sink << "contents" << size;
@@ -76,7 +76,7 @@ static void dump(const Path & path, Sink & sink, PathFilter & filter)
         sink << "type" << "regular";
         if (st.st_mode & S_IXUSR)
             sink << "executable" << "";
-        dumpContents(path, (size_t) st.st_size, sink);
+        dumpContents(path, st.st_size, sink);
     }
 
     else if (S_ISDIR(st.st_mode)) {