git-1.8.0 requires TERM to be set appropriately for commands that

page output.  Rather than recreate the entire msysgit zip file and
for everyone to download it again, just modify git.bat in place.

TBR=maruel@chromium.org,cmp@chromium.org
Review URL: https://codereview.chromium.org/11358128

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@166295 0039d316-1c4b-4281-b951-d872f2087c98

bootstrap/win/win_tools.bat

@@ -25,12 +25,12 @@ if "%1" == "force" (
 
 :GIT_CHECK
 :: If the batch file exists, skip the git check.
-if exist "%WIN_TOOLS_ROOT_DIR%\%GIT_BIN_DIR%" goto :SVN_CHECK
-if "%CHROME_HEADLESS%" == "1" goto :SVN_CHECK
+if exist "%WIN_TOOLS_ROOT_DIR%\%GIT_BIN_DIR%" goto :MSYS_TERM_CHECK
+if "%CHROME_HEADLESS%" == "1" goto :MSYS_TERM_CHECK
 if "%WIN_TOOLS_FORCE%" == "1" goto :GIT_INSTALL
 call git --version 2>nul 1>nul
 if errorlevel 1 goto :GIT_INSTALL
-goto :SVN_CHECK
+goto :MSYS_TERM_CHECK
 
 
 :GIT_INSTALL
@@ -54,7 +54,7 @@ call copy /y "%WIN_TOOLS_ROOT_DIR%\%GIT_BIN_DIR%\ssh-keygen.bat" "%WIN_TOOLS_ROO
 :: Ensure autocrlf and filemode are set correctly.
 call "%WIN_TOOLS_ROOT_DIR%\git.bat" config --global core.autocrlf false
 call "%WIN_TOOLS_ROOT_DIR%\git.bat" config --global core.filemode false
-goto :SVN_CHECK
+goto :MSYS_TERM_CHECK
 
 
 :GIT_FAIL
@@ -66,6 +66,17 @@ set ERRORLEVEL=1
 goto :END
 
 
+:MSYS_TERM_CHECK
+:: Tweak git.bat to set TERM appropriately
+call FIND "TERM" "%WIN_TOOLS_ROOT_DIR%\git.bat" 2>nul 1>nul
+IF errorlevel 1 (
+  FINDSTR /V "git\.cmd" "%WIN_TOOLS_ROOT_DIR%\git.bat" > git.bat.new
+  echo set TERM=msys >> git.bat.new
+  FINDSTR "git\.cmd" "%WIN_TOOLS_ROOT_DIR%\git.bat" >> git.bat.new
+  MOVE /Y git.bat.new "%WIN_TOOLS_ROOT_DIR%\git.bat" >nul
+)
+
+
 :SVN_CHECK
 :: If the batch file exists, skip the svn check.
 if exist "%WIN_TOOLS_ROOT_DIR%\svn.bat" goto :PYTHON_CHECK