.devcontainer/downstream-docker-cocalc/devcontainer.json: Use onCreat…

…eCommand, updateContentCommand

.devcontainer/downstream-docker-cocalc/devcontainer.json

@@ -5,16 +5,14 @@
     "containerEnv": {
         "MAKE": "make -j4"
     },
-    // Run commands after the container is created.
     // libgmp.a is broken and leads to a build failure of ecm.
-    "postCreateCommand": ".devcontainer/post_create.sh && rm -f /usr/local/sage/local/lib/libgmp.a",
-    // Run commands after the container is started.
+    "onCreateCommand": ".devcontainer/post_create.sh && rm -f /usr/local/sage/local/lib/libgmp.a",
     // * If the workspace directory looks like a copy of the Sage source tree (SAGE_ROOT):
     //   - it bootstraps the Sage distribution,
     //   - sets the symlink ``venv`` as expected,
     // * Otherwise, it does nothing. This is so that users can copy this devcontainer.json file as is
     //   into their projects.
-    "postStartCommand": "if [ -d pkgs/sagemath-standard ]; then make configure && ./configure --enable-build-as-root --prefix=/usr/local/sage/local --with-sage-venv; else echo 'Edit .devcontainer/devcontainer.json (postStartCommand) to run project-specific startup commands'; fi",
+    "updateContentCommand": "if [ -d pkgs/sagemath-standard ]; then make configure && ./configure --enable-build-as-root --prefix=/usr/local/sage/local --with-sage-venv; else echo 'Edit .devcontainer/devcontainer.json (updateContentCommand) to run project-specific startup commands'; fi",
     "extensions": [
         "ms-python.python"
     ]