nixpkgs/pkgs/development/interpreters/python/python-linkme-wrapper.sh

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2013-01-21 19:02:57 +00:00
#!/bin/sh
#
# Install it into a nix profile and from there build symlink chains.
# The chain will be followed to set the PYTHONPATH
# A/bin/foo -> B/bin/bar -> NIXENV/bin/.python-linkme-wrapper.sh
#
if test ! -L "$0"; then
echo "Link me!"
exit 1
fi
PROG=$(basename "$0")
SITES=
pypath() {
BIN=$(realpath -s "$(dirname "$BIN")")
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ENV=$(dirname "$BIN")
SITE="$ENV/lib/python2.7/site-packages"
SITES="$SITES${SITES:+:}$SITE"
PRG="$BIN"/$(readlink "$1")
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if test -L "$PRG"; then
pypath "$PRG"
fi
}
pypath $(realpath -s "$0")
export PYTHONPATH="$PYTHONPATH${PYTHONPATH:+:}$SITES"
exec "$BIN/$PROG" "$@"