Fix preopened current directory not working

This commit fixes the bug where preopening `.` is not reflected in the virtual filesystem, causing `path_open` to fail to find files. fixes #4361
wasmerio · Dec 18, 2023 · 866d483 · 866d483
1 parent 1abcd2c
commit 866d483
Show file tree

Hide file tree

Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/lib/cli/src/commands/run/wasi.rs b/lib/cli/src/commands/run/wasi.rs
@@ -332,6 +332,11 @@ impl Wasi {
                 let current_dir =
                     std::env::current_dir().context("could not determine current directory")?;
 
+                mapped_dirs.push(MappedDirectory {
+                    host: current_dir.clone(),
+                    guest: ".".to_string(),
+                });
+
                 MappedDirectory {
                     host: current_dir,
                     guest: Self::MAPPED_CURRENT_DIR_DEFAULT_PATH.to_string(),

diff --git a/lib/virtual-fs/src/mem_fs/file_opener.rs b/lib/virtual-fs/src/mem_fs/file_opener.rs
@@ -187,7 +187,7 @@ impl FileSystem {
                             let time = time();
                             Metadata {
                                 ft: FileType {
-                                    file: true,
+                                    dir: true,
                                     ..Default::default()
                                 },
                                 accessed: time,