From e6773144dbccf706c5d404e34eaacdc664c94333 Mon Sep 17 00:00:00 2001
From: daimond113 <72147841+daimond113@users.noreply.github.com>
Date: Sun, 13 Oct 2024 13:57:55 +0200
Subject: [PATCH] fix: allow writes to copied cas files

---
 CHANGELOG.md     |  1 +
 src/source/fs.rs | 16 +++++++++++++++-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 969eb90..124ec26 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 ### Fixed
 - Correct `pesde.toml` inclusion message in `publish` command by @daimond113
+- Allow writes to files when `link` is false in PackageFS::write_to by @daimond113
 
 ## [0.5.0-rc.5] - 2024-10-12
 ### Added
diff --git a/src/source/fs.rs b/src/source/fs.rs
index 6b04a0d..77f8aa4 100644
--- a/src/source/fs.rs
+++ b/src/source/fs.rs
@@ -160,7 +160,21 @@ impl PackageFS {
                             if link {
                                 std::fs::hard_link(cas_file_path, path)?;
                             } else {
-                                std::fs::copy(cas_file_path, path)?;
+                                let mut f = std::fs::File::create(&path)?;
+                                f.write_all(&std::fs::read(cas_file_path)?)?;
+
+                                let mut permissions = f.metadata()?.permissions();
+                                #[cfg(windows)]
+                                {
+                                    #[allow(clippy::permissions_set_readonly_false)]
+                                    permissions.set_readonly(false);
+                                }
+                                #[cfg(unix)]
+                                {
+                                    use std::os::unix::fs::PermissionsExt;
+                                    permissions.set_mode(permissions.mode() | 0o644);
+                                }
+                                f.set_permissions(permissions)?;
                             }
                         }
                         FSEntry::Directory => {