Merge "Add dib-python element"
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elements/dib-python/README.rst
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elements/dib-python/README.rst
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===========
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dib=-python
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===========
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Adds a symlink to /usr/local/bin/dib-python which points at either a python2
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or python3 executable. This is useful for creating #! lines for scripts that
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are compatible with both python2 and python3.
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This does not install a python if one does not exist, and instead fails.
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elements/dib-python/pre-install.d/01-dib-python
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elements/dib-python/pre-install.d/01-dib-python
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#!/bin/bash
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if [ ${DIB_DEBUG_TRACE:-0} -gt 0 ]; then
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set -x
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fi
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set -eu
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set -o pipefail
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which which || install-packages which
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python_path=$(which python2 || which python3)
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if [ -z "$python_path" ]; then
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echo "Could not find python2 or python3 executable."
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exit 1
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fi
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ln -s $python_path /usr/local/bin/dib-python
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