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#!/bin/sh

# Launches qcr application on the supplied hostname and port.
#
# Omitting the hostname defaults it to "localhost", while omitting both defaults
# to "localhost:8000".
#
# Set the TANGELO environment variable to use a different Tangelo executable
# than the one on the path.

# Set TANGELO environment variable if unset.
if [ -z "${TANGELO}" ]; then
    TANGELO=`command -v tangelo`
    if [ -z "${TANGELO}" ]; then
        echo "error: tangelo not found on path (set TANGELO, or add tangelo to path)" >/dev/stderr
        exit 1
    fi
fi

# Parse command line arguments.
hostname=$1
port=$2

if [ -z "${hostname}" ]; then
    # If both are missing, they both receive the default values.
    port=8080
    hostname=localhost
elif [ -z "${port}" ]; then
    # If the "port" argument is missing, then assume the "hostname" argument is
    # actually the port.
    port=${hostname}
    hostname=localhost
fi

# Find the absolute path to this script.
# used to be readlink here, but macos XCODE 6.2 changed so readlink didn't work, changed to stat
here=`readlink -f $0`
here=`dirname "${here}"`

# Launch the application
"${TANGELO}" --root "${here}/built" --host ${hostname} --port ${port}  --config "${here}/tangelo-config.yaml"