Preserve indexed executable modes in WASI git

userland/git/src/changes.rs

@@ -238,6 +238,22 @@ pub fn status(repo: &gix::Repository) -> Result<Status> {
         .map_err(|e| error("status", e))?;
     for item in iter {
         let item = item.map_err(|e| error("status", e))?;
+        #[cfg(target_os = "wasi")]
+        if matches!(
+            &item,
+            Item::Modification {
+                status: gix::status::plumbing::index_as_worktree::EntryStatus::Change(
+                    gix::status::plumbing::index_as_worktree::Change::Modification {
+                        executable_bit_changed: true,
+                        content_change: None,
+                        ..
+                    }
+                ),
+                ..
+            }
+        ) {
+            continue;
+        }
         let path = item.rela_path().to_str_lossy().into_owned();
         let Some(summary) = item.summary() else {
             continue;
@@ -332,7 +348,7 @@ fn worktree_file(
     } else {
         entry.mode
     };
-    #[cfg(unix)]
+    #[cfg(all(unix, not(target_os = "wasi")))]
     let mode = if mode != 0o120000 && caps.executable_bit {
         use std::os::unix::fs::PermissionsExt;
         if meta.permissions().mode() & 0o111 != 0 {

userland/git/src/staging.rs

@@ -229,7 +229,7 @@ fn work_entry(
             Mode::SYMLINK,
         )
     } else if m.is_file() {
-        #[cfg(unix)]
+        #[cfg(all(unix, not(target_os = "wasi")))]
         let mode = {
             use std::os::unix::fs::PermissionsExt;
             if m.permissions().mode() & 0o111 != 0 {
@@ -238,7 +238,7 @@ fn work_entry(
                 Mode::FILE
             }
         };
-        #[cfg(not(unix))]
+        #[cfg(any(not(unix), target_os = "wasi"))]
         let mode = if previous == Some(Mode::FILE_EXECUTABLE) {
             Mode::FILE_EXECUTABLE
         } else {