Mount host's MNE data dir

.devcontainer/devcontainer.json

@@ -161,5 +161,8 @@
     // Do all git-config-related things here, otherwise we may run into problems; see:
     // https://github.com/microsoft/vscode-remote-release/issues/6810
     "configure-git": "${containerWorkspaceFolder}/.devcontainer/scripts/configure-git.sh"
-  }
+  },
+  "mounts": [
+    "source=${localEnv:HOME}${localEnv:USERPROFILE}/mne_data,target=/home/mne-user/mne_data,type=bind"
+  ]
 }

.devcontainer/scripts/create-data-dir

@@ -5,15 +5,15 @@ DIR=~/mne_data
 
 # Check if the directory already exists
 if [ -d "$DIR" ]; then
-    echo "Directory already exists: $DIR"
+    echo "Found existing MNE data directory: $DIR"
 else
     # Create the directory since it does not exist
     mkdir -p "$DIR"
     # Check if the directory creation was successful
     if [ $? -eq 0 ]; then
-        echo "Directory created: $DIR"
+        echo "MNE data directory created: $DIR"
     else
-        echo "Failed to create directory: $DIR"
+        echo "Failed to create MNE data directory: $DIR"
         exit 1
     fi
 fi

.devcontainer/scripts/create-data-dir.ps1

@@ -6,20 +6,20 @@ $newDirectoryPath = "$userProfilePath\mne_data"
 
 # Check if the directory already exists
 if (Test-Path -Path $newDirectoryPath) {
-    Write-Output "Directory already exists: $newDirectoryPath"
+    Write-Output "Found existing MNE data directory: $newDirectoryPath"
 } else {
     # Create the directory since it does not exist
     try {
         New-Item -ItemType Directory -Path $newDirectoryPath -Force
         # Verify if the directory was created successfully
         if (Test-Path -Path $newDirectoryPath) {
-            Write-Output "Directory created: $newDirectoryPath"
+            Write-Output "MNE data directory created: $newDirectoryPath"
         } else {
             Write-Output "Failed to create directory: $newDirectoryPath"
             exit 1
         }
     } catch {
-        Write-Output "Error creating directory: $_"
+        Write-Output "Error creating MNE data directory: $_"
         exit 1
     }
 }