Integration Script to get JuxtaCode Support in Tower

juxtacode.sh

#!/bin/sh

# CHECK IF JUXTA IS INSTALLED AS A COMMAND LINE TOOL #

# Set CMD to where the juxta is in the PATH of the environment.
CMD=`which juxta`

# If that didn't produce any results we search for juxta at the default path.
if [ -z "$CMD" ] ; then
    if [ -e '/usr/local/bin/juxta' ] ; then
        CMD='/usr/local/bin/juxta'
    fi
fi

# The last check is if juxta is executable at the determined path.
if [ ! -x "$CMD" ]; then
    echo "JuxtaCode's command line tool 'juxta' is not executable. Please make sure it has been installed in /usr/local/bin/." >&2
    exit 128
fi

# PARSE ARGUMENTS #

FIRST="$1"
SECOND="$2"
THIRD="$3"

# Sanitize Arguments
if [[ ! "$FIRST" =~ ^/ ]]; then
    FIRST=$(echo "$FIRST" | sed -e 's/^\.\///')
    FIRST="$PWD/$FIRST"
fi
if [[ ! "$SECOND" =~ ^/ ]]; then
    SECOND=$(echo "$SECOND" | sed -e 's/^\.\///')
    SECOND="$PWD/$SECOND"
fi
if [[ ! "$THIRD" =~ ^/ ]]; then
    THIRD=$(echo "$THIRD" | sed -e 's/^\.\///')
    THIRD="$PWD/$THIRD"
fi

# DETERMINE TOOL TYPE - DIFF OR MERGE #

if [ $# -eq 3 ]; then
# 3 ARGUMENTS → DIFF #

    # The "base" argument is going to be deprecated over time.
    "$CMD" _difftool --base "$THIRD"  --local "$FIRST" --remote "$SECOND" --merged "$THIRD"

elif [ $# -eq 4 ]; then
# 4 ARGUMENTS → MERGE #

    FOURTH="$4"

    if [[ ! "$FOURTH" =~ ^/ ]]; then
        FOURTH=$(echo "$FOURTH" | sed -e 's/^\.\///')
        FOURTH="$PWD/$FOURTH"

        if [ ! -f "$FOURTH" ]; then
            # For conflict "Both Added", Git does not pass the merge param correctly in current versions
            MERGE=$(echo "$FIRST" | sed -e 's/\.LOCAL\.[0-9]*//')
        fi
    fi

    "$CMD" _mergetool --base "${1}" --local "${2}" --remote "${3}" --merged "${4}"

else
# CATCH INVALID ARGUMENT COUNT #

    echo "Expected either 3 or 4 arguments."
    exit 1

fi

exit 0