Merge pull request #16 from github/post-install-cli

Install cli on onCreate.

Author: starcke

.devcontainer/devcontainer.json

@@ -8,5 +8,6 @@
       "openFiles": ["README.md"]
     }
   },
+  "onCreateCommand": "bash .devcontainer/onCreateCommand.sh",
   "postCreateCommand": "bash .devcontainer/postCreateCommand.sh"
 }

.devcontainer/onCreateCommand.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+# Assumes the gh CLI is present in the default Codespaces image.
+gh extensions install github/gh-codeql
+gh codeql version # first command starts the download of the CodeQL CLI
+# Make codeql visible to VSCode by using https://github.com/github/gh-codeql#codeql-stub, since VS Code expects an executable called codeql instead of gh codeql
+gh codeql install-stub ~/.local/bin/

.devcontainer/postCreateCommand.sh

@@ -1,9 +1,5 @@
 #!/bin/bash
 
-# Assumes the gh CLI is present in the default Codespaces image.
-# gh extensions install github/gh-codeql
-# gh codeql version # first command starts the download
-
 # Copy the dbscheme into the tutorial library, so it matches the DB.
 cp .tours/codeql-tutorial-database/db-csv/csv.dbscheme tutorial-queries/
 cp .tours/codeql-tutorial-database/db-csv/csv.dbscheme.stats tutorial-queries/