Simplify pipeline

Author: aensidhe

.azure/builds.yml

@@ -2,7 +2,28 @@ parameters:
   netcore1Global: true
 
 steps:
-- template: builds.yml
+- task: DotNetCoreCLI@2
+  displayName: dotnet build
+  inputs:
+    command: build
+    projects: progaudi.tarantool.sln
+    arguments: -c Release
+    verbosityRestore: minimal
+
+- task: Bash@3
+  displayName: set version variable
+  inputs:
+    targetType: inline
+    script: echo "##vso[task.setvariable variable=NugetPackageVersion]$(git describe --tags | sed 's/-/./')"
+
+- task: DotNetCoreCLI@2
+  displayName: pack nuget package
+  inputs:
+    command: pack
+    versioningScheme: byEnvVar
+    versionEnvVar: NugetPackageVersion
+    arguments: --no-build -c Release /property:PackageOutputPath=$(Build.ArtifactStagingDirectory)
+    verbosityPack: minimal
 
 - task: Bash@3
   inputs:

.azure/publish.yml

@@ -1,19 +1,11 @@
 jobs:
-- job: macOsBuild
+- job: macOs
   pool:
     name: Hosted macOS
   steps:
-    - template: .azure/builds.yml
-
-- job: linuxBuild
-  pool:
-    name: Hosted Ubuntu 1604
-  steps:
-    - template: .azure/builds.yml
+    - template: .azure/tests.yml
 
-- job: linuxTest
-  dependsOn:
-  - linuxBuild
+- job: linux
   pool:
     name: Hosted Ubuntu 1604
   steps:
@@ -23,25 +15,25 @@ jobs:
       parameters:
         netcore1Global: false
 
-- job: winBuild
-  pool:
-    name: Hosted VS2017
-  steps:
-    - template: .azure/builds.yml
-
-- job: winTest
+- job: win
   dependsOn:
-  - winBuild
+  - macOs
+  - linux
   pool:
     name: Hosted VS2017
   steps:
     - template: .azure/tests.yml
 
-- job: pushToNuget
-  dependsOn:
-  - linuxTest
-  - winTest
-  pool:
-    name: Hosted VS2017
-  steps:
-    - template: .azure/publish.yml
+    - ${{ if ne(variables['Build.Reason'], 'PullRequest') }}:
+      - task: NuGetCommand@2
+        displayName: push nuget packages
+        inputs:
+          command: push
+          packagesToPush: '$(Build.ArtifactStagingDirectory)/*.nupkg'
+          nuGetFeedType: external
+          publishFeedCredentials: api.nuget.org
+
+    - task: PublishBuildArtifacts@1
+      inputs:
+        pathtoPublish: '$(Build.ArtifactStagingDirectory)'
+        artifactName: nupkgs