setup release and publish stages

- if changelog has unreleased tag, it is a preview and github has pre-
release flag. long tag x.y.z-commit
- if changelog is final, release is full. Short tag x.y.z

.gitignore

@@ -301,3 +301,4 @@ __pycache__/
 /e2e/data/cache/
 /e2e/stress/paket-*/
 /e2e/stress/paket/paket.lock
+/pkg/

build.fsx

@@ -11,15 +11,18 @@ open Fake.DotNet
 open Fake.Core
 open Fake.Tools.Git.CommandHelper
 open Fake.Tools.Git
+open Fake.Api
 open Fake.DotNet.Testing.XUnit2
 open Fake.Testing.Common
 open System.Linq
 
 let project = "BaGet"
+let gitOwner = "ai-traders"
 // Pattern specifying assemblies to be tested using XUnit
 let testAssemblies = !! "tests/*.Tests/bin/Release/*/publish/*.Tests.dll"
 
 // Read additional information from the release notes document
+let changelogFile = "CHANGELOG.md"
 let release = File.read "CHANGELOG.md" |> ReleaseNotes.parse
 let changelogVersion = release.AssemblyVersion
 
@@ -172,10 +175,77 @@ Target.create "RunTests" (fun _ ->
         })
 )
 
+// --------------------------------------------------------------------------------------
+// Releases
+
+let changelogUnreleased =        
+    let changeLogString = File.readAsString changelogFile
+    changeLogString.Contains("Unreleased")
+
+let gitDir = (findGitDir System.Environment.CurrentDirectory).FullName
+let currentSha = gitDir |> Information.getCurrentSHA1
+let tagVersion = 
+    if changelogUnreleased then
+        sprintf "%s-%s" release.AssemblyVersion (currentSha.Substring(0, 8))
+    else
+        release.AssemblyVersion
+
+let isCurrentCommitTagged = 
+    let ok,msg,error = runGitCommand gitDir <| sprintf "describe --contains %s" currentSha
+    if ok then
+        Trace.tracefn "Current SHA %s is tagged" currentSha
+    else
+        Trace.tracefn "Current SHA %s is not tagged" currentSha
+    ok
+
+let zipFile = sprintf @"pkg/baget-%s.zip" tagVersion
+
+Target.create "Zip" (fun _ ->
+    Directory.create "pkg"
+    !! "src/BaGet/bin/Release/netcoreapp2.1/publish/**/*"
+    |> Zip.zip "src/BaGet/bin/Release/netcoreapp2.1/publish" zipFile
+)
+
+Target.create "GitTag" (fun _ ->
+    if isCurrentCommitTagged then
+        failwithf "Already tagged"
+    if changelogUnreleased then
+        Trace.tracefn "Changelog is set as Unreleased - this is a preview release"
+
+    Trace.tracefn "Executing git tag version=%s" tagVersion
+    Branches.tag gitDir tagVersion
+    Branches.pushTag gitDir "origin" tagVersion
+    Trace.tracefn "Released code version=%s" tagVersion
+)
+
+Target.create "GitHubRelease" (fun _ ->
+   let token =
+       match Environment.environVarOrDefault "GITHUB_TOKEN" "" with
+       | s when not (System.String.IsNullOrWhiteSpace s) -> s
+       | _ -> failwith "please set the GITHUB_TOKEN environment variable to a github personal access token with repro access."
+
+   let notes =
+       if changelogUnreleased then
+          [
+              "*This is a preview release, which has passed all end-to-end tests, but may not contain all final features.*\n"
+              sprintf "Try docker image `tomzo/baget:%s`\n" tagVersion
+          ]
+       else
+          (sprintf "Docker image `tomzo/baget:%s`\n" tagVersion)::release.Notes
+
+   GitHub.createClientWithToken token
+   |> GitHub.draftNewRelease gitOwner project tagVersion changelogUnreleased notes
+   |> GitHub.uploadFiles [zipFile]
+   |> GitHub.publishDraft
+   |> Async.RunSynchronously)
+
 open Fake.Core.TargetOperators
 
 Target.create "All" ignore
 
+"GitTag" ==> "GitHubRelease"
+"Zip" ==> "GitHubRelease"
+
 "SpaRestore"
     ==> "SpaBuild"
     ==> "SpaPublish"

gocd/pipeline.gocd.yaml

@@ -109,3 +109,56 @@ pipelines:
                   arguments:
                     - -c
                     - dmesg | tail -n 100
+      - publish:
+          clean_workspace: true
+          jobs:
+            docker_private:
+              resources:
+                - docker_builder
+              tasks:
+                - fetch:
+                   stage: test_pack
+                   job: docker
+                   source: imagerc
+                   destination:
+                   is_file: true
+                - exec:
+                    command: /bin/bash
+                    arguments:
+                      - -c
+                      - ./tasks.sh publish_docker_private
+            docker_public:
+              resources:
+                - docker_builder
+              secure_variables:
+                DOCKERHUB_PASSWORD: CioRNFm+WifCZPcqU+78+A==
+              tasks:
+                - fetch:
+                   stage: test_pack
+                   job: docker
+                   source: imagerc
+                   destination:
+                   is_file: true
+                - exec:
+                    command: /bin/bash
+                    arguments:
+                      - -c
+                      - ./tasks.sh publish_docker_public
+      - github_release:
+          clean_workspace: true
+          jobs:
+            github:
+              elastic_profile_id: w.c2.m2048.e10
+              secure_variables:
+                GITHUB_TOKEN: J2VpEh3xtuzZuU+kaHVCLM/glpKCSXKhGt3XCmZZTOLARPVLXFPKUaKiqeQ5smiT
+              tasks:
+               - fetch:
+                  stage: build
+                  job: build
+                  source: src/BaGet/bin/Release/netcoreapp2.1/publish
+                  destination: src/BaGet/bin/Release/netcoreapp2.1
+               - exec:
+                  command: /bin/bash
+                  arguments:
+                    - -c
+                    - ./tasks.sh github_release

paket.dependencies

@@ -33,7 +33,9 @@ group Tools
   nuget Fake.Core.ReleaseNotes
   nuget Fake.DotNet.Cli
   nuget Fake.Tools.Git
+  nuget Fake.Api.GitHub
   nuget Fake.DotNet.Testing.XUnit2
+  nuget Fake.IO.Zip
 
 group Test
   source https://api.nuget.org/v3/index.json