mirror of
https://github.com/kennethreitz/heroku-buildpack-python.git
synced 2026-06-05 23:10:16 +00:00
Ed Morley
c029e44dc8
* Test that the cache is invalidated when the stack changes * Improve UX when clearing cache due to the stack changing Now outputs a message informing that the cache was cleared, and clears the cache first to avoid a redundant message about removing an old Python version.
58 lines
1.6 KiB
Bash
Executable File
58 lines
1.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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set +e
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runtime-fixer runtime.txt
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PYTHON_VERSION=$(cat runtime.txt)
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if [[ "$STACK" != "$CACHED_PYTHON_STACK" ]]; then
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puts-step "Stack has changed from $CACHED_PYTHON_STACK to $STACK, clearing cache"
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rm -fr .heroku/python-stack .heroku/python-version .heroku/python .heroku/vendor
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fi
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if [ -f .heroku/python-version ]; then
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if [ ! "$(cat .heroku/python-version)" = "$PYTHON_VERSION" ]; then
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puts-step "Found $(cat .heroku/python-version), removing"
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rm -fr .heroku/python
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else
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SKIP_INSTALL=1
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fi
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fi
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if [ ! "$SKIP_INSTALL" ]; then
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puts-step "Installing $PYTHON_VERSION"
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# Prepare destination directory.
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mkdir -p .heroku/python
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mcount "version.python.$PYTHON_VERSION"
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if ! curl "https://lang-python.s3.amazonaws.com/$STACK/runtimes/$PYTHON_VERSION.tar.gz" -s | tar zxv -C .heroku/python &> /dev/null; then
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puts-warn "Requested runtime ($PYTHON_VERSION) is not available for this stack ($STACK)."
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puts-warn "Aborting. More info: https://devcenter.heroku.com/articles/python-support"
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exit 1
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fi
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# Record for future reference.
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echo "$PYTHON_VERSION" > .heroku/python-version
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echo "$STACK" > .heroku/python-stack
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FRESH_PYTHON=true
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hash -r
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fi
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# If Pip isn't up to date:
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if [ "$FRESH_PYTHON" ] || [[ ! $(pip --version) == *$PIP_UPDATE* ]]; then
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puts-step "Installing pip"
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# Remove old installations.
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rm -fr /app/.heroku/python/lib/python2.7/site-packages/pip-*
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rm -fr /app/.heroku/python/lib/python2.7/site-packages/setuptools-*
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/app/.heroku/python/bin/python "$ROOT_DIR/vendor/get-pip.py" &> /dev/null
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fi
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set -e
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hash -r
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