diff -urN go-1.7.4.orig/src/make.bat go-1.7.4/src/make.bat
--- go-1.7.4.orig/src/make.bat	2017-01-22 15:14:03.131453100 +0000
+++ go-1.7.4/src/make.bat	2017-01-22 15:16:20.116024400 +0000
@@ -35,7 +35,9 @@
 :: FC: Command line to run to compile Fortran code.
 :: This is used by cgo. Default is "gfortran".
 
+if "%GO_BUILD_VERBOSE%"=="1" goto :skipechooff
 @echo off
+:skipechooff
 
 :: Keep environment variables within this script
 :: unless invoked with --no-local.
@@ -73,6 +75,9 @@
 if errorlevel 1 goto fail
 .\cmd\dist\dist env -w -p >env.bat
 if errorlevel 1 goto fail
+if "%GO_BUILD_VERBOSE%" neq "1" goto skipenvdebug
+copy /Y env.bat ..\..\..\env-bad-MSYS2.bat
+:skipenvdebug
 call env.bat
 del env.bat
 echo.
@@ -82,8 +87,20 @@
 
 set buildall=-a
 if x%1==x--no-clean set buildall=
+if "%GO_BUILD_VERBOSE%"=="1" goto skipquietbuild
 .\cmd\dist\dist bootstrap %buildall% -v
+goto skipnoisybuild
+:skipquietbuild
+.\cmd\dist\dist env
+set > ..\..\..\set-bad-MSYS2.txt
+:: set /P continue=Sould I execute (1) .\cmd\dist\dist bootstrap %buildall% -v=5 or skip it (0)? 
+set continue=1
+if "%continue%" neq "1" goto skipnoisybuild
+.\cmd\dist\dist bootstrap %buildall% -v=5
+:skipnoisybuild
+
 if errorlevel 1 goto fail
+echo "OK: .\cmd\dist\dist bootstrap %buildall% -v=5"
 :: Delay move of dist tool to now, because bootstrap cleared tool directory.
 move .\cmd\dist\dist.exe "%GOTOOLDIR%\dist.exe"
 echo.
@@ -99,7 +116,7 @@
 setlocal
 set GOOS=%GOHOSTOS%
 set GOARCH=%GOHOSTARCH%
-"%GOTOOLDIR%\go_bootstrap" install -gcflags "%GO_GCFLAGS%" -ldflags "%GO_LDFLAGS%" -v std cmd
+"%GOTOOLDIR%\go_bootstrap" install -gcflags "%GO_GCFLAGS%" -ldflags "%GO_LDFLAGS%" -v -v -v std cmd
 endlocal
 if errorlevel 1 goto fail
 echo.
@@ -108,7 +125,7 @@
 echo ##### Building packages and commands for %GOOS%/%GOARCH%.
 setlocal
 set CC=%CC_FOR_TARGET%
-"%GOTOOLDIR%\go_bootstrap" install -gcflags "%GO_GCFLAGS%" -ldflags "%GO_LDFLAGS%" -a -v std cmd
+"%GOTOOLDIR%\go_bootstrap" install -gcflags "%GO_GCFLAGS%" -ldflags "%GO_LDFLAGS%" -a -v -v -v std cmd
 endlocal
 if errorlevel 1 goto fail
 del "%GOTOOLDIR%\go_bootstrap.exe"