diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 63a3bb0599e661b7df412c5f44618dce1c95b93f..e5d9acf9f07a6ca1e67697fbef2083d9e5a790fe 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
                 python-version: '3.6'
         -   name: "Main Script"
             run: |
-                curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/prepare-and-run-flake8.sh
+                curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/prepare-and-run-flake8.sh
                 . ./prepare-and-run-flake8.sh boxtree test examples
 
     pylint:
@@ -33,7 +33,7 @@ jobs:
                 sed 's/python=3/python=3.7/' .test-conda-env-py3.yml > .test-conda-env.yml
                 CONDA_ENVIRONMENT=.test-conda-env.yml
                 USE_CONDA_BUILD=1
-                curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/prepare-and-run-pylint.sh
+                curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/prepare-and-run-pylint.sh
                 . ./prepare-and-run-pylint.sh boxtree test/test_*.py
 
     docs:
@@ -48,8 +48,8 @@ jobs:
         -   name: "Main Script"
             run: |
                 CONDA_ENVIRONMENT=.test-conda-env-py3.yml
-                curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/ci-support.sh
-                . ci-support.sh
+                curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/ci-support-v0
+                . ci-support-v0
                 build_py_project_in_conda_env
                 build_docs
 
@@ -62,7 +62,7 @@ jobs:
             run: |
                 CONDA_ENVIRONMENT=.test-conda-env-py3.yml
                 export MPLBACKEND=Agg
-                curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/build-and-test-py-project-within-miniconda.sh
+                curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/build-and-test-py-project-within-miniconda.sh
                 . ./build-and-test-py-project-within-miniconda.sh
 
     py3example:
@@ -73,9 +73,9 @@ jobs:
         -   name: "Main Script"
             run: |
                 CONDA_ENVIRONMENT=.test-conda-env-py3.yml
-                curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/build-py-project-within-miniconda.sh
+                curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/build-py-project-within-miniconda.sh
                 . ./build-py-project-within-miniconda.sh
-                curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/run-examples.sh
+                curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/run-examples.sh
                 . ./run-examples.sh
 
     downstream_tests:
@@ -97,7 +97,7 @@ jobs:
                 export CONDA_ENVIRONMENT=.test-conda-env-py3.yml
                 # Avoid slow or complicated tests in downstream projects
                 export PYTEST_ADDOPTS="-k 'not (slowtest or octave or mpi)'"
-                curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/ci-support.sh
+                curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/ci-support.sh
                 . ./ci-support.sh
                 build_py_project_in_conda_env
                 test_py_project
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 686ce41c1e4ff9c542249504f30c075c2c235b91..33f85761ce470c2436089121ba89b5f23820f991 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -3,7 +3,7 @@ Python 3 POCL:
     - export PY_EXE=python3
     - export PYOPENCL_TEST=portable:pthread
     - export EXTRA_INSTALL="pybind11 numpy mako matplotlib"
-    - curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/build-and-test-py-project.sh
+    - curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/build-and-test-py-project.sh
     - ". ./build-and-test-py-project.sh"
     tags:
     - python3
@@ -15,12 +15,13 @@ Python 3 POCL:
             junit: test/pytest.xml
 
 Python 3 POCL Titan V:
-    script:
-    - export PYOPENCL_TEST=portable:titan
-    - CONDA_ENVIRONMENT=.test-conda-env-py3.yml
-    - export MPLBACKEND=Agg
-    - curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/build-and-test-py-project-within-miniconda.sh
-    - ". ./build-and-test-py-project-within-miniconda.sh"
+    script: |
+      export PYOPENCL_TEST=portable:titan
+      export MPLBACKEND=Agg
+      curl -L -O https://tiker.net/ci-support-v0
+      . ./ci-support-v0
+      build_py_project_in_venv
+      test_py_project
     tags:
     - nvidia-titan-v
     except:
@@ -30,12 +31,13 @@ Python 3 POCL Titan V:
             junit: test/pytest.xml
 
 Python 3 POCL Titan X:
-    script:
-    - export PYOPENCL_TEST=portable:titan
-    - CONDA_ENVIRONMENT=.test-conda-env-py3.yml
-    - export MPLBACKEND=Agg
-    - curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/build-and-test-py-project-within-miniconda.sh
-    - ". ./build-and-test-py-project-within-miniconda.sh"
+    script: |
+      export PYOPENCL_TEST=portable:titan
+      export MPLBACKEND=Agg
+      curl -L -O https://tiker.net/ci-support-v0
+      . ./ci-support-v0
+      build_py_project_in_venv
+      test_py_project
     tags:
     - nvidia-titan-x
     except:
@@ -45,12 +47,13 @@ Python 3 POCL Titan X:
             junit: test/pytest.xml
 
 Python 3 POCL K40:
-    script:
-    - export PYOPENCL_TEST=portable:k40
-    - CONDA_ENVIRONMENT=.test-conda-env-py3.yml
-    - export MPLBACKEND=Agg
-    - curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/build-and-test-py-project-within-miniconda.sh
-    - ". ./build-and-test-py-project-within-miniconda.sh"
+    script: |
+      export PYOPENCL_TEST=portable:titan
+      export MPLBACKEND=Agg
+      curl -L -O https://tiker.net/ci-support-v0
+      . ./ci-support-v0
+      build_py_project_in_venv
+      test_py_project
     tags:
     - nvidia-k40
     except:
@@ -65,7 +68,7 @@ Python 3 POCL Examples:
   - export PY_EXE=python3
   - export PYOPENCL_TEST=portable:pthread
   - export EXTRA_INSTALL="pybind11 numpy mako pyvisfile matplotlib"
-  - curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/build-py-project-and-run-examples.sh
+  - curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/build-py-project-and-run-examples.sh
   - ". ./build-py-project-and-run-examples.sh"
   tags:
   - python3
@@ -80,7 +83,7 @@ Pylint:
   script:
   - export PY_EXE=python3
   - EXTRA_INSTALL="pybind11 numpy mako matplotlib"
-  - curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/prepare-and-run-pylint.sh
+  - curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/prepare-and-run-pylint.sh
   - ". ./prepare-and-run-pylint.sh boxtree test/test_*.py"
   tags:
   - python3
@@ -90,14 +93,14 @@ Pylint:
 Documentation:
     script:
     - EXTRA_INSTALL="pybind11 numpy mako"
-    - curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/build-docs.sh
+    - curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/build-docs.sh
     - ". ./build-docs.sh"
     tags:
     - python3
 
 Flake8:
     script:
-    - curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/prepare-and-run-flake8.sh
+    - curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/prepare-and-run-flake8.sh
     - ". ./prepare-and-run-flake8.sh boxtree test examples"
     tags:
     - python3