Reicher82 / python / sbpython3

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Blame project/pycopy.sh

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#!/bin/sh
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# pyccopy:   a build-time utiltiy script
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# objective: copy one or more source python (.py) scripts
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#            to the destination directory specified via the
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#            environment variable PYCOPY_DSTDIR, replacing
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#            the original shebang line, should the script
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#            contain one, with a program interpreter based
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#            on the PYCOPY_PREFIX and PYCOPY_PYTHON
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#            environment variables.
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if [ -z "$PYCOPY_PYTHON" ]; then
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	python='python'
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else
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	python="$PYCOPY_PYTHON"
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fi
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if [ -z "$PYCOPY_PREFIX" ]; then
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	prefix='/usr'
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else
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	prefix="$PYCOPY_PREFIX"
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fi
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if [ -z "$PYCOPY_DSTDIR" ]; then
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	dstdir='.'
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else
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	dstdir="$PYCOPY_DSTDIR"
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fi
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for pysrc in $@; do
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	basename=$(basename "$pysrc");
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	sed -e '1s@^#!.*@#!'" $prefix/bin/$python"'@g'   \
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		"$pysrc" > "$dstdir/$basename"          || exit 2
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	if [ "$(head -n1 "$dstdir/$basename")" = "#! $prefix/bin/$python" ]; then
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		chmod +x "$dstdir/$basename"            || exit 2
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	fi
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done
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exit 0