commit:     9dca151ad11df75a1842afd2bee9bad9c9ee0c37
Author:     Oskari Pirhonen <xxc3ncoredxx <AT> gmail <DOT> com>
AuthorDate: Thu Mar 30 04:53:51 2023 +0000
Commit:     Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Fri Apr  7 09:49:59 2023 +0000
URL:        https://gitweb.gentoo.org/proj/portage.git/commit/?id=9dca151a

ci: NIH actions/setup-python for sourcehut

Use the deadsnakes PPA and PYTHON_VERSIONS env var to control which
version of python get installed. Use a separate setup-python script in
.builds/ to avoid duplicate code. And having to remember to update it in
more than one place for changes.

Signed-off-by: Oskari Pirhonen <xxc3ncoredxx <AT> gmail.com>
Signed-off-by: Sam James <sam <AT> gentoo.org>

 .builds/lint.yml        | 23 +++++++++++++++++------
 .builds/setup-python.sh | 23 +++++++++++++++++++++++
 2 files changed, 40 insertions(+), 6 deletions(-)

diff --git a/.builds/lint.yml b/.builds/lint.yml
index a294a3ad6..675fde757 100644
--- a/.builds/lint.yml
+++ b/.builds/lint.yml
@@ -1,15 +1,25 @@
 # Maintainer: Oskari Pirhonen <xxc3ncore...@gmail.com>
 
-image: ubuntu/lts
+image: ubuntu/jammy
 shell: true
+repositories:
+  # For more versions than just the default python3
+  deadsnakes: https://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu jammy 
main "BA6932366A755776"
+environment:
+  PYTHON_VERSIONS:
+    - '3.7'
+    - '3.8'
+    - '3.9'
+    - '3.10'
+    - '3.11'
 tasks:
-  - setup-lint-env: |
-      sudo apt-get update
-      sudo apt-get install -y --no-install-recommends python-is-python3 
python3-venv
-      python -m venv .venv
+  - setup-python: |
+      portage/.builds/setup-python.sh "${PYTHON_VERSIONS[@]}"
+
+  - setup-black: |
       source .venv/bin/activate
-      pip install --upgrade pip
       pip install black
+      deactivate
 
   - black: |
       source .venv/bin/activate
@@ -18,3 +28,4 @@ tasks:
           xargs grep -l '#!/usr/bin/env python' | \
           tr '\n' ' ')"
       black --check --diff --color . $STRAGGLERS
+      deactivate

diff --git a/.builds/setup-python.sh b/.builds/setup-python.sh
new file mode 100755
index 000000000..be113ce8e
--- /dev/null
+++ b/.builds/setup-python.sh
@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+# Maintainer: Oskari Pirhonen <xxc3ncore...@gmail.com>
+
+set -ex
+
+install_versions=( "${@/#/python}" )
+
+sudo apt-get install -y --no-install-recommends \
+    python-is-python3 \
+    "${install_versions[@]}" \
+    "${install_versions[@]/%/-venv}"
+
+for py in "${@}"; do
+  "python$py" -m venv ".venv-$py"
+  source ".venv-$py/bin/activate"
+  pip install --upgrade pip
+  deactivate
+done
+
+python -m venv .venv
+source .venv/bin/activate
+pip install --upgrade pip
+deactivate

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