是否可以使用 winmerge 查看 cygwin 的 git diff？

2023-12-29

我喜欢在 cygwin 上使用 git，但唯一的缺点是当我想这样做时git difftool我无法使用任何有用的东西。git diff大多数时候对我来说很好，但有时我想使用 winmerge 通过以下方式查看这些差异git difftool有什么办法可以设置这个吗？

对于 cygwin，SO 问题“如何在 cygwin 下配置 Mercurial 以使用 WinMerge 进行合并？ https://stackoverflow.com/questions/548520/how-can-i-configure-mercurial-to-use-winmerge-for-merges-under-cygwin“ 可以应用于 git （当将以下 winmerge 脚本与旧问题结合使用时”使用 Git 内部的 Winmerge 来归档 diff https://stackoverflow.com/questions/1881594/use-winmerge-inside-of-git-to-file-diff")

#!/bin/sh
"/cygdrive/c/Program Files/WinMerge/WinMergeU.EXE" /e /ub /dl other /dr local `cygpath -aw $1` `cygpath -aw $2` `cygpath -aw $3`

Process

您可以在这篇文章中了解更多详细信息“Git + WinMerge + Cygwin http://www.codeproject.com/Tips/83230/Git-plus-WinMerge-plus-Cygwin.aspx" (from 蒂鲁·蒂鲁纳乌卡拉苏 http://www.codeproject.com/script/Membership/View.aspx?mid=4900650):
（但我仍然会推荐WinMergeU.exe上面的选项）

将以下行添加到您的 .gitconfig 文件中：

  [diff]
    tool = winmerge
  [difftool "winmerge"]
    cmd = git-difftool-winmerge-wrapper.sh \"$LOCAL\" \"$REMOTE\"
  [difftool]
    prompt = false

最后一个选项（prompt = false) 是可选的。如果您确实希望 Git 在打开每个差异之前提示您，则可以省略它。

创建一个名为git-difftool-winmerge-wrapper.sh并将其放在您的路径中。
我只是将它放在我的主目录中。您可以通过修改 .bash_profile 文件（也在您的主目录中）并添加来更改默认的 Cygwin 路径以包含您的主目录PATH=${PATH}:${HOME}

添加以下内容到git-difftool-winmerge-wrapper.sh:

  #!/bin/sh
  echo "Launching WinMergeU.exe \"$(cygpath -aw "$1")\" \"$(cygpath -aw "$2")\""
  if [ -f "$1" -a -f "$2" ]
  then
    "C:/Program Files (x86)/WinMerge/WinMergeU.exe" -e -u -wl -dl "Base" -dr "Mine" "$(cygpath -aw "$1")" "$(cygpath -aw "$2")"
  else
    echo "skipping as one file doesn't exist"
  fi

（再次，使用这些 WinMerge 选项进行一些测试）

Scripts

如果你想使用“所有 WinMerge”，无论是 diff 还是 merge git 功能，你都有这个要点页面 https://gist.github.com/509918 from ecerulm（鲁本·拉古纳） https://github.com/ecerulm:

diffmerge-diff.sh

#!/bin/sh
# Use SourceGear DiffMerge as mergetool for git in cygwin.
#   git config --global mergetool.diffmerge.cmd "diffmergetool.sh \"\$LOCAL\" \"\$REMOTE\" \"\$BASE\" \"\$MERGED\""
#   git config --global mergetool.diffmerge.trustExitCode false
#   git difftool -t diffmerge branch1..branch2

# Reference: http://www.tldp.org/LDP/abs/abs-guide.pdf

library=githelperfunctions.sh

#[ -f $library ] && . $library
. $library

echo Launching DiffMerge.exe - diffmerge-diff.sh: 

set_path_vars "$1" "$2" "$3" "$4"

echo "$diffmergewinpath" -t1=FROM_VERSION -t2=TO_VERSION --caption=$caption $localwinpath $remotewinpath
"$diffmergewinpath" -t1=FROM_VERSION -t2=TO_VERSION --caption="$caption" "$localwinpath" "$remotewinpath"

diffmerge-merge.sh

#!/bin/sh
# Use SourceGear DiffMerge as mergetool for git in cygwin.
#   git config --global mergetool.diffmerge.cmd "diffmergetool.sh \"\$LOCAL\" \"\$REMOTE\" \"\$BASE\" \"\$MERGED\""
#   git config --global mergetool.diffmerge.trustExitCode false
#   git mergetool -t diffmerge

# Reference: http://www.tldp.org/LDP/abs/abs-guide.pdf

library=githelperfunctions.sh

#[ -f $library ] && . $library
. $library

echo Launching DiffMerge.exe - diffmerge-merge.sh: 

set_path_vars "$1" "$2" "$3" "$4"

"$diffmergewinpath" --merge -t1=FROM_VERSION -t2=MERGED -t3=TO_VERSION --result="$mergedwinpath" --caption="$caption" "$localwinpath" "$basewinpath" "$remotewinpath"

unix2dos "$merged"

githelperfunctions.sh

# Helper functions


convert_path () {
    file=$1

    if [ "$file" == '/dev/null' ] || [ ! -e "$file" ]
        then 
           file="/tmp/nulla"
           `echo "">$file`
    fi
    echo `cygpath -w -a "$file"`
}


set_path_vars () {
    local=$1
    remote=$2
    base=$3
    merged=$4

    echo ========= Cygwin paths =======
    echo "LOCAL   :  $local"
    echo "REMOTE  :  $remote"
    echo "BASE    :  $base"
    echo "MERGED  :  $merged"

    localwinpath=$(convert_path "$local")
    remotewinpath=$(convert_path "$remote")
    basewinpath=$(convert_path "$base")
    mergedwinpath=$(convert_path "$merged")

    echo ========= Win paths =======
    echo "LOCAL   :  $localwinpath"
    echo "REMOTE  :  $remotewinpath"
    echo "BASE    :  $basewinpath"
    echo "MERGED  :  $mergedwinpath"

    caption=`basename "$merged"`
    diffmergewinpath="C:/Program Files/SourceGear/DiffMerge/DiffMerge.exe"
    winmergewinpath="C:/Program Files/WinMerge/WinMergeU.exe"
#   diffmergewinpath=`cygpath -u C:/Program Files/SourceGear/DiffMerge/DiffMerge.exe`
#   winmergewinpath=`cygpath -u \"C:\Program Files\WinMerge\WinMergeU.exe\"`
}

winmerge-diff.sh

#!/bin/sh
# Use winmerge as mergetool for git in cygwin.
#   git config --global difftool.winmerge.cmd "winmerge-diff.sh \"\$LOCAL\" \"\$REMOTE\" \"\$BASE\""
#   git config --global mergetool.winmerge.trustExitCode false
#   git difftool -t winmerge branch1..branch2   

# Reference: http://www.tldp.org/LDP/abs/abs-guide.pdf
# Reference: http://winmerge.org/docs/manual/CommandLine.html


library=githelperfunctions.sh

#[ -f $library ] && . $library
. $library

echo Launching winmerge.exe - winmerge-diff.sh: 

set_path_vars "$1" "$2" "$3" "$4"

"$winmergewinpath" /dl "LOCAL.$caption" /dr "TO_VERSION.$caption" "$localwinpath" "$remotewinpath"

winmerge-merge.sh

#!/bin/sh
# Use winmerge as mergetool for git in cygwin.
#   git config --global mergetool.winmerge.cmd "winmerge-merge.sh \"\$LOCAL\" \"\$REMOTE\" \"\$BASE\" \"\$MERGED\""
#   git config --global mergetool.winmerge.trustExitCode false
#   git mergetool -t diffmerge

# Reference: http://www.tldp.org/LDP/abs/abs-guide.pdf
# Reference: http://winmerge.org/docs/manual/CommandLine.html

library=githelperfunctions.sh

#[ -f $library ] && . $library
. $library

echo Launching winmerge.exe - winmerge-merge.sh: 


set_path_vars "$1" "$2" "$3" "$4"

# -- use WinMergeU conflictFile
"$winmergewinpath" "$mergedwinpath"

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