anchor.diff:  
   @REM Start the ssh-agent if needed by git
   @FOR %%i IN ("git.exe") DO @SET GIT=%%~$PATH:i
  -@IF EXIST "%GIT%" (
  +@IF EXIST "%GIT%" @(
       @REM Get the ssh-agent executable
       @FOR %%i IN ("ssh-agent.exe") DO @SET SSH_AGENT=%%~$PATH:i
  -    @IF NOT EXIST "%SSH_AGENT%" (
  +    @IF NOT EXIST "%SSH_AGENT%" @(
           @FOR %%s IN ("%GIT%") DO @SET GIT_DIR=%%~dps
           @FOR %%s IN ("!GIT_DIR!") DO @SET GIT_DIR=!GIT_DIR:~0,-1!
           @FOR %%s IN ("!GIT_DIR!") DO @SET GIT_ROOT=%%~dps
  
positive.code:           & @SET "SSH_AGENT_PID=%SSH_AGENT_PID%"
  
  @ECHO %cmdcmdline% | @FINDSTR /l "\"\"" >NUL
  @IF NOT ERRORLEVEL 1 (
      @CALL cmd %*
  )
  
negative.code:     @FOR /D %%s in ("!BIN_DIR!\ssh-add.exe") DO @SET SSH_ADD=%%~s
      @IF NOT EXIST "!SSH_ADD!" @GOTO ssh-agent-done
      @REM Check if the agent is running
      @FOR /f "tokens=1-2" %%a IN ('tasklist /fi "imagename eq ssh-agent.exe"') DO @(
          @ECHO %%b | @FINDSTR /r /c:"[0-9][0-9]*" > NUL
          @IF "!ERRORLEVEL!" == "0" @SET SSH_AGENT_PID=%%b
      )
      @REM Connect up the current ssh-agent
      @IF [!SSH_AGENT_PID!] == []  @(
          @ECHO Removing old ssh-agent sockets
          @FOR /d %%d IN (%TEMP%\ssh-??????*) DO @RMDIR /s /q %%d
      ) ELSE  @(
          @ECHO Found ssh-agent at !SSH_AGENT_PID!
          @FOR /d %%d IN (%TEMP%\ssh-??????*) DO @(
              @FOR %%f IN (%%d\agent.*) DO @(
                  @SET SSH_AUTH_SOCK=%%f
                  @SET SSH_AUTH_SOCK=!SSH_AUTH_SOCK:%TEMP%=/tmp!
                  @SET SSH_AUTH_SOCK=!SSH_AUTH_SOCK:\=/!
              )
          )
          @IF NOT [!SSH_AUTH_SOCK!] == [] @(
              @ECHO Found ssh-agent socket at !SSH_AUTH_SOCK!
          ) ELSE (
              @ECHO Failed to find ssh-agent socket
              @SET SSH_AGENT_PID=
          )
      )
      @REM See if we have the key
      @SET "HOME=%USERPROFILE%"
      @"!SSH_ADD!" -l 1>NUL 2>NUL
      @SET result=!ERRORLEVEL!
      @IF NOT !result! == 0 @(
          @IF !result! == 2 @(
              @ECHO | @SET /p=Starting ssh-agent:
              @FOR /f "tokens=1-2 delims==;" %%a IN ('"!SSH_AGENT!"') DO @(
                  @IF NOT [%%b] == [] @SET %%a=%%b
              )
              @ECHO. done
  