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activate
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activate
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if [ -z "${BASH_ARGV[0]}" ]; then
# as a last recourse, use the present working directory
PACKAGE_HOME=$(pwd)
else
# get the absolute path of the executable
SELF_PATH=$(
cd -P -- "$(dirname -- "${BASH_ARGV[0]}")" \
&& pwd -P
) && SELF_PATH=$SELF_PATH/$(basename -- "${BASH_ARGV[0]}")
# resolve symlinks
while [ -h "$SELF_PATH" ]; do
DIR=$(dirname -- "$SELF_PATH")
SYM=$(readlink -- "$SELF_PATH")
SELF_PATH=$(cd -- "$DIR" && cd -- $(dirname -- "$SYM") && pwd)/$(basename -- "$SYM")
done
PACKAGE_HOME=$(dirname -- "$(dirname -- "$SELF_PATH")")
fi
export PACKAGE_HOME
# which -s narwhal doesn't work (os x 10.5, kriskowal)
if [ -f "$PACKAGE_HOME"/bin/narwhal ]; then
NARWHAL="$PACKAGE_HOME"/bin/narwhal
elif [ -f "$PACKAGE_HOME"/packages/narwhal/bin/narwhal ]; then
NARWHAL="$PACKAGE_HOME"/packages/narwhal/bin/narwhal
else
env narwhal -e '' >/dev/null 2>&1
if [ "$?" -ne 127 ]; then
NARWHAL=narwhal
else
echo "ERROR: narwhal is not in your PATH nor in $PACKAGE_HOME/bin." >&2
fi
fi
if [ -f "$PACKAGE_HOME"/narwhal.conf ]; then
source "$PACKAGE_HOME"/narwhal.conf
export NARWHAL_DEFAULT_ENGINE
fi
if [ "$NARWHAL" ]; then
export PATH="$("$NARWHAL" --package "$PACKAGE_HOME" --path :)"
fi