From d3604fea44cad659aadac3676dc063db687eb562 Mon Sep 17 00:00:00 2001
From: kingiler <68145845+kingiler@users.noreply.github.com>
Date: Wed, 1 Oct 2025 19:31:16 +0100
Subject: [PATCH] fix: Add missing return in copy_file_impl fallback code
 (#1630)
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This fixes a compilation error with tl::expected ≥ 1.2.0 on non-Apple platforms where sendfile(2) is not available.

(cherry picked from commit 50ad20d7fa2db903ce45c9ba426ac5f694fb752b)
---
 src/ccache/util/file.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/ccache/util/file.cpp b/src/ccache/util/file.cpp
index d8f1cb55..c4ea997b 100644
--- a/src/ccache/util/file.cpp
+++ b/src/ccache/util/file.cpp
@@ -160,6 +160,7 @@ copy_file_impl(const fs::path& src,
     return tl::unexpected(
       FMT("Failed to copy {} to {}: {}", src, dest, strerror(errno)));
   }
+  return {};
 #  elif defined(HAVE_SYS_SENDFILE_H)
   DirEntry dir_entry(src, *src_fd);
   if (!dir_entry) {
@@ -180,10 +181,10 @@ copy_file_impl(const fs::path& src,
     }
     bytes_left -= n;
   }
+  return {};
 #  else
-  copy_fd(*src_fd, *dst_fd);
+  return copy_fd(*src_fd, *dst_fd);
 #  endif
-  return {};
 }
 
 #endif
-- 
2.47.3