Only package external extensions on Linux in the pipelines (#8464)

* don't package every time, only on linux

* fix build

* fix build

* fix floating promises

* add comment

* fix order of steps

* clean up packaging of the extensions

* minor cleanup

* make code easier to read and add more logging

* do some rename

* maybe?

* re order the code

* fix output path not existing

build/azure-pipelines/linux/sql-product-build-linux.yml

@@ -72,6 +72,16 @@ steps:
       node build/azure-pipelines/mixin
     displayName: Mix in quality
 
+  - script: |
+      set -e
+      yarn gulp install-sqltoolsservice
+    displayName: Install sqltoolsservice
+
+  - script: |
+      set -e
+      yarn gulp install-ssmsmin
+    displayName: Install ssmsmin
+
   - script: |
       set -e
       yarn gulp vscode-linux-x64
@@ -79,8 +89,13 @@ steps:
 
   - script: |
       set -e
-      yarn gulp install-sqltoolsservice
-    displayName: Install sqltoolsservice
+      yarn gulp compile-extensions
+    displayName: Compile Extensions
+
+  - script: |
+      set -e
+      yarn gulp package-external-extensions
+    displayName: Package External extensions
 
   - task: ArchiveFiles@2 # WHY ARE WE DOING THIS?
     displayName: 'Archive build scripts source'
@@ -135,6 +150,12 @@ steps:
       Contents: '*.rpm'
       TargetFolder: '$(Build.ArtifactStagingDirectory)'
 
+  - task: CopyFiles@2
+    displayName: 'Copy Files to: $(Build.ArtifactStagingDirectory)/vsix'
+    inputs:
+      SourceFolder: '$(Build.SourcesDirectory)/../vsix'
+      TargetFolder: '$(Build.ArtifactStagingDirectory)/vsix'
+
   - script: | # WHY ARE WE DOING THIS?
       set -e
       BUILD="$(Build.SourcesDirectory)/../azuredatastudio-linux-x64"