feat: add github action condition

go.mod

@@ -4,6 +4,10 @@ go 1.14
 
 require (
 	github.com/Masterminds/semver v1.5.0
+	github.com/christophwitzko/go-travis v0.0.0-20180115212951-5311d81d834b
+	github.com/fatih/structs v1.1.0 // indirect
 	github.com/google/go-github/v30 v30.1.0
+	github.com/oleiade/reflections v1.0.0 // indirect
+	github.com/stretchr/testify v1.5.1 // indirect
 	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d
 )

go.sum

@@ -1,13 +1,26 @@
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 github.com/Masterminds/semver v1.5.0 h1:H65muMkzWKEuNDnfl9d70GUjFniHKHRbFPGBuZ3QEww=
 github.com/Masterminds/semver v1.5.0/go.mod h1:MB6lktGJrhw8PrUyiEoblNEGEQ+RzHPF078ddwwvV3Y=
+github.com/christophwitzko/go-travis v0.0.0-20180115212951-5311d81d834b h1:YKFJ/MSTMtRCR7UeF4I2Ovi8HDwsVA7F/qWxwr7J6tU=
+github.com/christophwitzko/go-travis v0.0.0-20180115212951-5311d81d834b/go.mod h1:0PHJRx/NZav97xUaOdeXLPZmPKBjSHVBAeiFFkaRSmc=
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/fatih/structs v1.1.0 h1:Q7juDM0QtcnhCpeyLGQKyg4TOIghuNXrkL32pHAUMxo=
+github.com/fatih/structs v1.1.0/go.mod h1:9NiDSp5zOcgEDl+j00MP/WkGVPOlPRLejGD8Ga6PJ7M=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2 h1:6nsPYzhq5kReh6QImI3k5qWzO4PEbvbIW2cwSfR/6xs=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/google/go-github/v30 v30.1.0 h1:VLDx+UolQICEOKu2m4uAoMti1SxuEBAl7RSEG16L+Oo=
 github.com/google/go-github/v30 v30.1.0/go.mod h1:n8jBpHl45a/rlBUtRJMOG4GhNADUQFEufcolZ95JfU8=
 github.com/google/go-querystring v1.0.0 h1:Xkwi/a1rcvNg1PPYe5vI8GbeBY/jrVuDX5ASuANWTrk=
 github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO6wN/zVPAxq5ck=
+github.com/oleiade/reflections v1.0.0 h1:0ir4pc6v8/PJ0yw5AEtMddfXpWBXg9cnG7SgSoJuCgY=
+github.com/oleiade/reflections v1.0.0/go.mod h1:RbATFBbKYkVdqmSFtx13Bb/tVhR0lgOBXunWTZKeL4w=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
+github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2 h1:VklqNMn3ovrHsnt90PveolxSbWFaJdECFbxSq0Mqo2M=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -23,3 +36,7 @@ golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0 h1:/wp5JvzpHIxhs/dumFmF7BXTf3Z+dd4uXta4kVyO508=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

pkg/condition/condition.go

@@ -6,25 +6,58 @@ import (
 	"strings"
 )
 
-func readGitHead() string {
+func ReadGitHead() string {
 	data, err := ioutil.ReadFile(".git/HEAD")
 	if err != nil {
 		return ""
 	}
 	return strings.TrimSpace(strings.TrimPrefix(string(data), "ref: refs/heads/"))
 }
 
-func GetCurrentBranch() string {
-	if val := os.Getenv("TRAVIS_BRANCH"); val != "" {
+func GetDefaultRepoSlug() string {
+	if val := os.Getenv("TRAVIS_REPO_SLUG"); val != "" {
 		return val
 	}
-	return readGitHead()
+	if val := os.Getenv("GITHUB_REPOSITORY"); val != "" {
+		return val
+	}
+	return ""
 }
 
-func GetCurrentSHA() string {
-	if val := os.Getenv("TRAVIS_COMMIT"); val != "" {
-		return val
+type CIConfig map[string]interface{}
+
+type CI interface {
+	Name() string
+	RunCondition(config CIConfig) error
+	GetCurrentBranch() string
+	GetCurrentSHA() string
+}
+
+type DefaultCI struct {
+}
+
+func (d DefaultCI) Name() string {
+	return "Default"
+}
+
+func (d DefaultCI) RunCondition(config CIConfig) error {
+	return nil
+}
+
+func (d DefaultCI) GetCurrentBranch() string {
+	return ReadGitHead()
+}
+
+func (d DefaultCI) GetCurrentSHA() string {
+	return ReadGitHead()
+}
+
+func NewCI() CI {
+	if os.Getenv("GITHUB_ACTIONS") == "true" {
+		return &GitHubActions{}
+	}
+	if os.Getenv("TRAVIS") == "true" {
+		return &TravisCI{}
 	}
-	// TODO: resolve ref
-	return GetCurrentBranch()
+	return &DefaultCI{}
 }

pkg/condition/github.go

@@ -0,0 +1,36 @@
+package condition
+
+import (
+	"fmt"
+	"os"
+	"strings"
+)
+
+type GitHubActions struct {
+}
+
+func (gha *GitHubActions) Name() string {
+	return "GitHub Actions"
+}
+
+func (gha *GitHubActions) GetCurrentBranch() string {
+	return os.Getenv("GITHUB_REF")
+}
+
+func (gha *GitHubActions) GetCurrentSHA() string {
+	return os.Getenv("GITHUB_SHA")
+}
+
+func (gha *GitHubActions) IsBranchRef() bool {
+	if val := os.Getenv("GITHUB_REF"); val != "" {
+		return strings.HasPrefix(val, "refs/heads/")
+	}
+	return false
+}
+
+func (gha *GitHubActions) RunCondition(config CIConfig) error {
+	if !gha.IsBranchRef() {
+		return fmt.Errorf("not running on a branch")
+	}
+	return nil
+}

pkg/condition/github_test.go

@@ -0,0 +1,15 @@
+package condition
+
+import (
+	"os"
+	"testing"
+)
+
+func TestGithubValid(t *testing.T) {
+	os.Setenv("GITHUB_REF", "")
+	gha := GitHubActions{}
+	err := gha.RunCondition(CIConfig{})
+	if err == nil {
+		t.Fail()
+	}
+}

pkg/condition/travis.go

@@ -11,7 +11,25 @@ import (
 	"time"
 )
 
-func Travis(token, defaultBranch string, private bool) error {
+type TravisCI struct {
+}
+
+func (ci *TravisCI) Name() string {
+	return "Travis CI"
+}
+
+func (ci *TravisCI) GetCurrentBranch() string {
+	return os.Getenv("TRAVIS_BRANCH")
+}
+
+func (ci *TravisCI) GetCurrentSHA() string {
+	return os.Getenv("TRAVIS_COMMIT")
+}
+
+func (ci *TravisCI) RunCondition(config CIConfig) error {
+	token := config["token"].(string)
+	defaultBranch := config["defaultBranch"].(string)
+	private := config["private"].(bool)
 	logger := log.New(os.Stderr, "[condition-travis]: ", 0)
 	if os.Getenv("TRAVIS") != "true" {
 		return errors.New("semantic-release didn’t run on Travis CI and therefore a new version won’t be published.")

pkg/condition/travis_test.go

@@ -5,7 +5,8 @@ import (
 )
 
 func TestTravisValid(t *testing.T) {
-	err := Travis("", "", false)
+	travis := TravisCI{}
+	err := travis.RunCondition(CIConfig{"token": "", "defaultBranch": "", "private": false})
 	if err == nil {
 		t.Fail()
 	}