Merge pull request #95 from pennywisdom/check-gitsha

bumping git version and adding hash validation

Author: StefanScherer

golang/Dockerfile

@@ -2,10 +2,12 @@ FROM golang:1.8-nanoserver
 
 SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
 
-ENV GIT_VERSION 2.11.0
+ENV GIT_VERSION 2.12.0
 ENV GIT_DOWNLOAD_URL https://github.com/git-for-windows/git/releases/download/v${GIT_VERSION}.windows.1/MinGit-${GIT_VERSION}-64-bit.zip
+ENV GIT_SHA256 6238f65c4d8412b993cb092efde4954f8cb7da4def54d0c1533835f00e83fdad
 
 RUN Invoke-WebRequest -UseBasicParsing $env:GIT_DOWNLOAD_URL -OutFile git.zip; \
+    if ((Get-FileHash git.zip -Algorithm sha256).Hash -ne $env:GIT_SHA256) {exit 1} ; \
     Expand-Archive git.zip -DestinationPath C:\git; \
     Remove-Item git.zip; \
     Write-Host 'Updating PATH ...'; \

golang/build.bat

@@ -1,3 +1,3 @@
 docker build -t golang .
 if %errorlevel% neq 0 exit /b %errorlevel%
-docker tag golang:latest golang:1.8beta2
+docker tag golang:latest golang:1.8

golang/push.bat

@@ -1,4 +1,4 @@
-docker tag golang:1.8beta2 stefanscherer/golang-windows:1.8beta2
-docker tag golang:1.8beta2 stefanscherer/golang-windows
-docker push stefanscherer/golang-windows:1.8beta2
+docker tag golang:1.8 stefanscherer/golang-windows:1.8
+docker tag golang:1.8 stefanscherer/golang-windows
+docker push stefanscherer/golang-windows:1.8
 docker push stefanscherer/golang-windows