chore: updates

go.mod

@@ -9,6 +9,7 @@ require (
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/kr/pretty v0.3.1 // indirect
+	github.com/onsi/gomega v1.27.10 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/rogpeppe/go-internal v1.10.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
@@ -22,6 +23,7 @@ require (
 	github.com/google/go-querystring v1.1.0 // indirect
 	github.com/spf13/cobra v1.7.0
 	github.com/stretchr/testify v1.8.4
+	github.com/tcnksm/go-gitconfig v0.1.2
 	golang.org/x/oauth2 v0.11.0
 	gopkg.in/yaml.v3 v3.0.1
 )

go.sum

@@ -22,6 +22,8 @@ github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
+github.com/onsi/gomega v1.27.10 h1:naR28SdDFlqrG6kScpT8VWpu1xWY5nJRCF3XaYyBjhI=
+github.com/onsi/gomega v1.27.10/go.mod h1:RsS8tutOdbdgzbPtzzATp12yT7kM5I5aElG3evPbQ0M=
 github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
@@ -35,6 +37,8 @@ github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+github.com/tcnksm/go-gitconfig v0.1.2 h1:iiDhRitByXAEyjgBqsKi9QU4o2TNtv9kPP3RgPgXBPw=
+github.com/tcnksm/go-gitconfig v0.1.2/go.mod h1:/8EhP4H7oJZdIPyT+/UIsG87kTzrzM4UsLGSItWYCpE=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
 golang.org/x/net v0.14.0 h1:BONx9s002vGdD9umnlX1Po8vOZmrgH34qlHcD1MfK14=
@@ -44,6 +48,7 @@ golang.org/x/oauth2 v0.11.0/go.mod h1:LdF7O/8bLR/qWK9DrpXmbHLTouvRHK0SgJl0GmDBch
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/text v0.12.0 h1:k+n5B8goJNdU7hSvEtMUz3d1Q6D/XW4COJSJR6fN0mc=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/appengine v1.6.7 h1:FZR1q0exgwxzPzp/aF+VccGrSfxfPpkBqjIIEq3ru6c=

main.go

@@ -5,5 +5,9 @@ import (
 )
 
 func main() {
+
 	cmd.Init()
 }
+
+// TODO
+// - [ ] Add tests

pkg/atlantis/atlantis.go

@@ -88,7 +88,8 @@ func GenerateAtlantisYAML(prChangedFiles []string) error {
 	}
 	// Generate atlantis.yaml file
 	err = generateOutputYAML(&atlantisConfig,
-		config.GlobalConfig.Parameters["output-file"])
+		config.GlobalConfig.Parameters["output-file"],
+		config.GlobalConfig.Parameters["output-type"])
 	if err != nil {
 		return err
 	}
@@ -201,11 +202,22 @@ func generateAtlantisConfig(autoMerge, parallelApply, parallelPlan, whenModified
 	return config, err
 }
 
-func generateOutputYAML(config *Config, outputFile string) error {
+func generateOutputYAML(config *Config, outputFile string, outputType string) error {
 	// Generate the atlantis.yaml file
-	yamlBytes, _ := yaml.Marshal(&config)
-	err := helpers.WriteFile(string(yamlBytes), outputFile)
-	return err
+	yamlBytes, err := yaml.Marshal(&config)
+	if err != nil {
+		return err
+	}
+	switch outputType {
+	case "file":
+		err = helpers.WriteFile(string(yamlBytes), outputFile)
+		return err
+	case "stdout":
+		fmt.Printf(string(yamlBytes))
+		return nil
+	default:
+		return fmt.Errorf("output type '%s' is not supported", outputType)
+	}
 }
 
 func workflowFilter(info os.FileInfo, path, workflow, patternDetector string) bool {

pkg/atlantis/atlantis_test.go

@@ -565,9 +565,10 @@ func TestGenerateOutputYAML(t *testing.T) {
 
 	// Define a sample output file path
 	outputFile := "/tmp/test_output.yaml"
+	outputType := "file"
 
 	// Call the function and generate the YAML
-	err := generateOutputYAML(config, outputFile)
+	err := generateOutputYAML(config, outputFile, outputType)
 	if err != nil {
 		t.Errorf("Error generating output YAML: %v", err)
 	}
@@ -603,6 +604,7 @@ func TestGenerateAtlantisYAML(t *testing.T) {
 	config.GlobalConfig.Parameters["pattern-detector"] = "main.tf"
 	config.GlobalConfig.Parameters["terraform-base-dir"] = "mockproject"
 	config.GlobalConfig.Parameters["output-file"] = tempFile
+	config.GlobalConfig.Parameters["output-type"] = "file"
 	config.GlobalConfig.Parameters["parallel-apply"] = "true"
 	config.GlobalConfig.Parameters["parallel-plan"] = "true"
 	config.GlobalConfig.Parameters["automerge"] = "true"
@@ -611,4 +613,15 @@ func TestGenerateAtlantisYAML(t *testing.T) {
 	assert.NoError(t, err)
 
 	os.Remove(tempFile)
+
+	config.GlobalConfig.Parameters["output-type"] = "undefined"
+
+	err = GenerateAtlantisYAML(prChangedFiles)
+	assert.Error(t, err)
+
+	config.GlobalConfig.Parameters["output-type"] = "stdout"
+
+	err = GenerateAtlantisYAML(prChangedFiles)
+	assert.NoError(t, err)
+
 }

pkg/config/config.go

@@ -55,11 +55,18 @@ var ParameterList = []Parameter{
 	},
 	{
 		Name:         "output-file",
-		Description:  "Atlantis output file name.",
+		Description:  "Atlantis YAML output file name.",
 		Required:     false,
 		DefaultValue: "atlantis.yaml",
 		Shorthand:    "f",
 	},
+	{
+		Name:         "output-type",
+		Description:  "Atlantis YAML output type. [file|stdout].",
+		Required:     false,
+		DefaultValue: "file",
+		Shorthand:    "e",
+	},
 	{
 		Name:         "workflow",
 		Description:  "Atlantis Workflow to be used. [single-workspace|multi-workspace].",
@@ -69,7 +76,7 @@ var ParameterList = []Parameter{
 	},
 	{
 		Name:         "when-modified",
-		Description:  "Atlantis When modified (list of strings) to run autoplan.",
+		Description:  "Atlantis will trigger an autoplan when these modifications occur (list of strings).",
 		Required:     false,
 		DefaultValue: "**/*.tf,**/*.tfvars,**/*.json,**/*.tpl,**/*.tmpl,**/*.xml",
 		Shorthand:    "m",
@@ -118,8 +125,8 @@ var ParameterList = []Parameter{
 	},
 	{
 		Name:         "gh-token",
-		Description:  "Github Token Value.",
-		Required:     true,
+		Description:  "Specify the GitHub token when automatic detection is not possible.",
+		Required:     false,
 		DefaultValue: "",
 		Shorthand:    "t",
 	},

pkg/github/github.go

@@ -2,9 +2,13 @@ package github
 
 import (
 	"context"
+	"errors"
+	"fmt"
 	"strconv"
+	"strings"
 
 	"github.com/google/go-github/github"
+	"github.com/tcnksm/go-gitconfig"
 	"github.com/totmicro/atlantis-yaml-generator/pkg/config"
 	"golang.org/x/oauth2"
 )
@@ -46,8 +50,18 @@ func runGHRequest(authToken, owner, repo, pullReqNum string) ([]string, error) {
 
 // GetChangedFiles gets the parameters to call a ghrequest that returns a list of changed files.
 func GetChangedFiles() (ChangedFiles []string, err error) {
+	// Parse the token from the git config file
+	token, _ := getTokenFromGitConfig()
+	if token == "" {
+		token = config.GlobalConfig.Parameters["gh-token"]
+	}
+	if token == "" {
+		err = errors.New("gh-token could not be parsed from .git/config file.\n" +
+			"Please use gh-token parameter or GH_TOKEN environment variable to set the token.")
+		return ChangedFiles, err
+	}
 	prChangedFiles, err := runGHRequest(
-		config.GlobalConfig.Parameters["gh-token"],
+		token,
 		config.GlobalConfig.Parameters["base-repo-owner"],
 		config.GlobalConfig.Parameters["base-repo-name"],
 		config.GlobalConfig.Parameters["pull-num"])
@@ -56,3 +70,29 @@ func GetChangedFiles() (ChangedFiles []string, err error) {
 	}
 	return prChangedFiles, err
 }
+
+func getTokenFromGitConfig() (string, error) {
+	url, err := gitconfig.Local("remote.origin.url")
+	if err != nil {
+		return "", fmt.Errorf("token not found in the [remote \"origin\"] block")
+	}
+	token, err := extractTokenFromURL(url)
+	return token, err
+}
+
+func extractTokenFromURL(urlLine string) (string, error) {
+	// Split by "x-access-token:" to extract the token.
+	parts := strings.Split(urlLine, "x-access-token:")
+	if len(parts) == 2 {
+		tokenPart := parts[1]
+
+		// Split again by "@" to extract the token.
+		tokenParts := strings.Split(tokenPart, "@")
+		if len(tokenParts) >= 1 {
+			return tokenParts[0], nil
+		}
+	}
+
+	return "", fmt.Errorf("token not found in url line")
+
+}