Add codefresh CI detection. Thanks to @fernandocarletti. (#3270)

* Add codefresh CI detection. Thanks to @fernandocarletti.

CHANGELOG.md

@@ -14,6 +14,7 @@ CHANGELOG
 - Avoid re-encrypting secret values on each checkpoint write. These changes should improve update times for stacks
   that contain secret values.
   [#3183](https://github.com/pulumi/pulumi/pull/3183)
+- Add Codefresh CI detection.
 
 ## 1.1.0 (2019-09-11)
 

pkg/util/ciutil/codefresh.go

@@ -0,0 +1,43 @@
+// Copyright 2016-2019, Pulumi Corporation.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package ciutil
+
+import (
+	"os"
+)
+
+// codefreshCI represents the Codefresh CI system.
+type codefreshCI struct {
+	baseCI
+}
+
+// DetectVars detects the env vars for a Codefresh CI system.
+func (c codefreshCI) DetectVars() Vars {
+	v := Vars{Name: c.Name}
+	v.BuildID = os.Getenv("CF_BUILD_ID")
+	v.BuildURL = os.Getenv("CF_BUILD_URL")
+	v.SHA = os.Getenv("CF_REVISION")
+	v.BranchName = os.Getenv("CF_BRANCH")
+	v.CommitMessage = os.Getenv("CF_COMMIT_MESSAGE")
+	v.PRNumber = os.Getenv("CF_PULL_REQUEST_NUMBER")
+
+	if v.PRNumber == "" {
+		v.BuildType = "PullRequest"
+	} else {
+		v.BuildType = "Push"
+	}
+
+	return v
+}

pkg/util/ciutil/detect.go

@@ -58,6 +58,12 @@ var detectors = map[SystemName]system{
 			EnvVarsToDetect: []string{"CIRCLECI"},
 		},
 	},
+	Codefresh: codefreshCI{
+		baseCI: baseCI{
+			Name:            Codefresh,
+			EnvVarsToDetect: []string{"CF_BUILD_URL"},
+		},
+	},
 	Codeship: baseCI{
 		Name:              Codeship,
 		EnvValuesToDetect: map[string]string{"CI_NAME": "codeship"},

pkg/util/ciutil/systems.go

@@ -27,6 +27,7 @@ const (
 	AzurePipelines              SystemName = "Azure Pipelines"
 	Buildkite                   SystemName = "Buildkite"
 	CircleCI                    SystemName = "CircleCI"
+	Codefresh                   SystemName = "Codefresh"
 	Codeship                    SystemName = "Codeship"
 	Drone                       SystemName = "Drone"
 

pkg/util/ciutil/vars_test.go

@@ -38,6 +38,11 @@ func TestDetectVars(t *testing.T) {
 			"CIRCLECI":         "true",
 			"CIRCLE_BUILD_NUM": buildID,
 		},
+		Codefresh: {
+			"TRAVIS":       "",
+			"CF_BUILD_URL": "https://g.codefresh.io/build/99f5d825577e23c56f8c6b2a",
+			"CF_BUILD_ID":  buildID,
+		},
 		GenericCI: {
 			"TRAVIS":             "",
 			"PULUMI_CI_SYSTEM":   "generic-ci-system",