From 735810237e21504a027a65a7b3c25fd7e594288a Mon Sep 17 00:00:00 2001
From: Tahmin Ahmed <68072081+otamam818@users.noreply.github.com>
Date: Thu, 7 Mar 2024 04:30:13 +1100
Subject: [PATCH] fix: fix `plugins/fs` infinite loop on autoregen (#1029)

* Created safety check for redundant autogenerations

* Accounted for empty file case, added .changes file

* Update plugins/fs/build.rs
---
 .changes/file-autogen-fix.md | 6 ++++++
 plugins/fs/build.rs          | 7 +++++--
 2 files changed, 11 insertions(+), 2 deletions(-)
 create mode 100644 .changes/file-autogen-fix.md

diff --git a/.changes/file-autogen-fix.md b/.changes/file-autogen-fix.md
new file mode 100644
index 000000000..0a8705094
--- /dev/null
+++ b/.changes/file-autogen-fix.md
@@ -0,0 +1,6 @@
+---
+"fs": patch
+"fs-js": patch
+---
+
+Fix infinite loop on cargo build operations
\ No newline at end of file
diff --git a/plugins/fs/build.rs b/plugins/fs/build.rs
index 1901f3a48..dcfefd294 100644
--- a/plugins/fs/build.rs
+++ b/plugins/fs/build.rs
@@ -154,8 +154,11 @@ permissions = [
 ]"###
         );
 
-        std::fs::write(base_dirs.join(format!("{lower}.toml")), toml)
-            .unwrap_or_else(|e| panic!("unable to autogenerate ${upper}: {e}"));
+        let permission_path = base_dirs.join(format!("{lower}.toml"));
+        if toml != std::fs::read_to_string(&permission_path).unwrap_or_default() {
+            std::fs::write(permission_path, toml)
+                .unwrap_or_else(|e| panic!("unable to autogenerate ${lower}: {e}"));
+        }
     }
 
     tauri_plugin::Builder::new(COMMANDS)