windows 上 cygwin 下使用 git difftool 配合beyound compare 3 要用到的辅助脚本

diff.sh

# !/bin/sh
# diff is called by git difftool with 2 parameters:
# old-file-path new-file-path
# config in .gitconfig:
# [diff]
#	  tool = mybc3
# [difftool]
#   prompt = false
# [difftool "mybc3"]
#   cmd = /cygdrive/c/WINDOWS/diff.sh \"$LOCAL\" \"$REMOTE\"

checkFileExists () {
    local result=1
    if [[ -e $1  && $1 != "/dev/null" ]]; then
       resultString="\e[32m[${1}] is exists\e[m"
       result=0
    else
       resultString="\e[31m[${1}] is not exists\e[m"
    fi
    return $result;
}

checkFileExists "$1"
leftExist=$?
leftExistsMessage=$resultString
checkFileExists "$2"
rightExist=$?
rightExistsMessage=$resultString

if [[ ($leftExist -eq 0) && ($rightExist -eq 0) ]] ; then
    left=`cygpath -w "$1"`
    right=`cygpath -w "$2"`
    /cygdrive/d/Program\ Files/Beyond\ Compare\ 3/BComp.com "$left" "$right" /qc

    lastResult=$?
    if [[ $lastResult -eq 2 ]]; then
        printf "\e[32m[${right}] Rules-based same\e[m"
        echo
        exit 0
    elif [[ $lastResult -eq 13 ]]; then
        printf "\e[31m[${right}] Rules-based differences\e[m"
        echo
    else 
        printf "\e[31m[${right}] ${lastResult}\e[m"
    fi

    read -p "show diff window?(Y/n)" choice
    if [[ -z $choice || ($choice != "N" && $choice != "n") ]]; then
        choice="Y"
    else
        choice="N"
    fi
else
    printf "${leftExistsMessage}"
    echo
    printf "${rightExistsMessage}"
    echo
    read -p "show diff window?(N/y)" choice
    if [[ -z $choice || ($choice != "Y" && $choice != "y") ]]; then
        choice="N"
    else
        choice="Y"
    fi
fi

echo -----------------

if [[ $choice = "Y" ]]; then
    /cygdrive/d/Program\ Files/Beyond\ Compare\ 3/BComp.exe "$left" "$right" /ro1 & #|cat
    sleep 2
fi
exit 0