Add version badges generation to build

Add version badge generation using shields.io service. The badge
is uploaded to a fixed Azure BLOB location which can be referenced
from README.md. Since the badge creation is not crucial, do not fail the build
if it cannot be created.

Fix #1000

scripts/package/package.ps1

@@ -14,3 +14,12 @@ _ "$RepoRoot\packaging\windows\generatemsi.ps1" @("$Stage2Dir")
 
 header "Generating NuGet packages"
 _ "$RepoRoot\packaging\nuget\package.ps1" @("$Stage2Dir\bin", "$env:VersionSuffix")
+
+header "Downloading version badge"
+$VersionBadge = "$RepoRoot\artifacts\version_badge.svg"
+$r = Invoke-WebRequest -Uri "https://img.shields.io/badge/version-$env:DOTNET_CLI_VERSION-blue.svg" -OutFile $VersionBadge
+
+if ($r.StatusCode == 200)
+{
+    & "$RepoRoot\publish\publish.ps1" "$RepoRoot\artifacts\version_badge.svg" -file $VersionBadge
+}

scripts/package/package.sh

@@ -15,13 +15,27 @@ DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
 source "$DIR/../common/_common.sh"
 source "$REPOROOT/scripts/build/generate-version.sh"
 
+
 if [ -z "$DOTNET_CLI_VERSION" ]; then
     TIMESTAMP=$(date "+%Y%m%d%H%M%S")
     DOTNET_CLI_VERSION=0.0.1-dev-t$TIMESTAMP
 fi
 
+$VERSION_BADGE="$REPOROOT/artifacts/version_badge.svg"
+
 header "Generating tarball"
 $DIR/package-dnvm.sh
 
 header "Generating Native Installer"
 $DIR/package-native.sh
+
+header "Downloading version badge"
+status_code=$(curl -w "%{http_code}" -s -o $VERSION_BADGE "https://img.shields.io/badge/version-$DOTNET_CLI_VERSION-blue.svg")
+
+if [ "$status_code" -eq "200"]; then 
+    header "Publishing version badge"
+    $REPOROOT/scripts/publish/publish.sh $VERSION_BADGE
+else
+    info "Downloading the badge failed - $status_code"
+fi
+