Using Visual Studio 2012's built-in merge tool with Git

So, I don't know if anyone's noticed but the new Merge Tool packaged with VS2012 is sick-o to the max. I've recently moved to Git for my source control and really want to be able to set up VS2012 as my default difftool/mergetool.

Any suggestions as to how to do this? I'd rather the diff/merge is started in the active VS2012 window and not a new instance if possible.

If you are using Git Source Control Provider with Visual Studio, it looks like this feature was implemented and is available as of version 1.0.0.

Or if you start using Microsoft's tools for git, that will also use the built-in diff tool. From some of the screenshots, it looks like it'll 2-way merge, with the result at the bottom.

guanome

This article explains how to do this. I tried this out and it works. In my usage, the diff was opened in any existing instance of Visual Studio, which is what you preferred.

[diff]
    tool = vsdiffmerge
[difftool]
      prompt = false
[difftool "vsdiffmerge"]
      cmd = '"C:/Program Files (x86)/Microsoft Visual Studio 11.0/Common7/IDE/vsdiffmerge.exe"' "$LOCAL" "$REMOTE" //t
      keepbackup = false
      trustexitcode = true
[merge]
      tool = vsdiffmerge
[mergetool]
      prompt = false
[mergetool "vsdiffmerge"]
      cmd = '"C:/Program Files (x86)/Microsoft Visual Studio 11.0/Common7/IDE/vsdiffmerge.exe"' "$REMOTE" "$LOCAL" "$BASE" "$MERGED" //m
      keepbackup = false
      trustexitcode = true

Or use %VSINSTALLDIR% to always reference the version of Visual Studio that matches the commandline you have opened (this only works when the Visual Studio environment has been setup, either by using the Visual Studio Command Prompt shortcut or manually calling vsvars32.bat):

[diff]
    tool = vsdiffmerge
[difftool]
      prompt = false
[difftool "vsdiffmerge"]
      cmd = '"%VSINSTALLDIR%Common7/IDE/vsdiffmerge.exe"' "$LOCAL" "$REMOTE" //t
      keepbackup = false
      trustexitcode = true
[merge]
      tool = vsdiffmerge
[mergetool]
      prompt = false
[mergetool "vsdiffmerge"]
      cmd = '"%VSINSTALLDIR%Common7/IDE/vsdiffmerge.exe"' "$LOCAL" "$REMOTE" "$BASE" "$MERGED" //m
      keepbackup = false
      trustexitcode = true

Te solution marked as answered did not work for me, but this did (I had the vsdiffmerge.exe location in my path - don't know if it had anything to with it):

[diff]
    tool = vsdiffmerge
    guitool = vsdiffmerge
[difftool]
    prompt = true
[difftool "vsdiffmerge"]
    cmd = $LOCAL $REMOTE /t
    keepbackup = false
    trustexistcode = true
    path = C:/Program Files (x86)/Microsoft Visual Studio 12.0/Common7/IDE/vsDiffMerge.exe
[merge]
    tool = vsdiffmerge
[mergetool]
    prompt = false
[mergetool "vsdiffmerge"]
    cmd = $REMOTE $LOCAL $BASE $MERGED /m
    keepbackup = false
    trustexitcode = true
    path = C:/Program Files (x86)/Microsoft Visual Studio 12.0/Common7/IDE/vsDiffMerge.exe

来源：https://stackoverflow.com/questions/12670148/using-visual-studio-2012s-built-in-merge-tool-with-git

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git

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diff

visual-studio-2012

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