35 lines
633 B
Bash
35 lines
633 B
Bash
#!/bin/sh
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#
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# Install it into a nix profile and from there build symlink chains.
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# The chain will be followed to set the PYTHONPATH
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# A/bin/foo -> B/bin/bar -> NIXENV/bin/.python-linkme-wrapper.sh
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#
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if test ! -L "$0"; then
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echo "Link me!"
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exit 1
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fi
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PROG=$(basename "$0")
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SITES=
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pypath() {
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BIN=$(dirname "$1")
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BIN=$(realpath -s "$BIN")
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ENV=$(dirname "$BIN")
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SITE="$ENV/lib/python2.7/site-packages"
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SITES="$SITES${SITES:+:}$SITE"
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PRG=$BIN/$(readlink "$1")
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if test -L "$PRG"; then
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pypath "$PRG"
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fi
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}
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pypath $(realpath -s "$0")
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export PYTHONPATH="$PYTHONPATH${PYTHONPATH:+:}$SITES"
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exec $BIN/$PROG "$@"
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