Refactor config package and add functionality

gh.go

@@ -14,11 +14,11 @@ import (
 	"os/exec"
 
 	iapi "github.com/cli/go-gh/internal/api"
-	"github.com/cli/go-gh/internal/config"
-	iconfig "github.com/cli/go-gh/internal/config"
 	"github.com/cli/go-gh/internal/git"
 	irepo "github.com/cli/go-gh/internal/repository"
 	"github.com/cli/go-gh/pkg/api"
+	"github.com/cli/go-gh/pkg/auth"
+	"github.com/cli/go-gh/pkg/config"
 	repo "github.com/cli/go-gh/pkg/repository"
 	"github.com/cli/go-gh/pkg/ssh"
 	"github.com/cli/safeexec"
@@ -62,11 +62,7 @@ func RESTClient(opts *api.ClientOptions) (api.RESTClient, error) {
 		opts = &api.ClientOptions{}
 	}
 	if optionsNeedResolution(opts) {
-		cfg, err := config.Load()
-		if err != nil {
-			return nil, err
-		}
-		err = resolveOptions(opts, cfg)
+		err := resolveOptions(opts)
 		if err != nil {
 			return nil, err
 		}
@@ -83,11 +79,7 @@ func GQLClient(opts *api.ClientOptions) (api.GQLClient, error) {
 		opts = &api.ClientOptions{}
 	}
 	if optionsNeedResolution(opts) {
-		cfg, err := config.Load()
-		if err != nil {
-			return nil, err
-		}
-		err = resolveOptions(opts, cfg)
+		err := resolveOptions(opts)
 		if err != nil {
 			return nil, err
 		}
@@ -109,11 +101,7 @@ func HTTPClient(opts *api.ClientOptions) (*http.Client, error) {
 		opts = &api.ClientOptions{}
 	}
 	if optionsNeedResolution(opts) {
-		cfg, err := config.Load()
-		if err != nil {
-			return nil, err
-		}
-		err = resolveOptions(opts, cfg)
+		err := resolveOptions(opts)
 		if err != nil {
 			return nil, err
 		}
@@ -141,12 +129,7 @@ func CurrentRepository() (repo.Repository, error) {
 	translator := ssh.NewTranslator()
 	translateRemotes(remotes, translator)
 
-	cfg, err := config.Load()
-	if err != nil {
-		return nil, err
-	}
-
-	hosts := cfg.Hosts()
+	hosts := auth.KnownHosts()
 
 	filteredRemotes := remotes.FilterByHosts(hosts)
 	if len(filteredRemotes) == 0 {
@@ -170,27 +153,19 @@ func optionsNeedResolution(opts *api.ClientOptions) bool {
 	return false
 }
 
-func resolveOptions(opts *api.ClientOptions, cfg config.Config) error {
-	var token string
-	var err error
+func resolveOptions(opts *api.ClientOptions) error {
+	cfg, _ := config.Read()
 	if opts.Host == "" {
-		opts.Host = cfg.Host()
+		opts.Host, _ = auth.DefaultHost()
 	}
 	if opts.AuthToken == "" {
-		token, err = cfg.AuthToken(opts.Host)
-		if err != nil {
-			var notFoundError iconfig.NotFoundError
-			if errors.As(err, &notFoundError) {
-				return fmt.Errorf("authentication token not found for host %s", opts.Host)
-			} else {
-				return err
-			}
+		opts.AuthToken, _ = auth.TokenForHost(opts.Host)
+		if opts.AuthToken == "" {
+			return fmt.Errorf("authentication token not found for host %s", opts.Host)
 		}
-		opts.AuthToken = token
 	}
-	if opts.UnixDomainSocket == "" {
-		unixSocket, _ := cfg.Get("http_unix_socket")
-		opts.UnixDomainSocket = unixSocket
+	if opts.UnixDomainSocket == "" && cfg != nil {
+		opts.UnixDomainSocket, _ = cfg.Get([]string{"http_unix_socket"})
 	}
 	return nil
 }

gh_test.go

@@ -4,10 +4,10 @@ import (
 	"fmt"
 	"net/http"
 	"os"
+	"path/filepath"
 	"strings"
 	"testing"
 
-	"github.com/cli/go-gh/internal/config"
 	"github.com/cli/go-gh/pkg/api"
 	"github.com/stretchr/testify/assert"
 	"gopkg.in/h2non/gock.v1"
@@ -162,7 +162,18 @@ func TestHTTPClient(t *testing.T) {
 }
 
 func TestResolveOptions(t *testing.T) {
-	cfg := testConfig()
+	tempDir := t.TempDir()
+	orig_GH_CONFIG_DIR := os.Getenv("GH_CONFIG_DIR")
+	t.Cleanup(func() {
+		os.Setenv("GH_CONFIG_DIR", orig_GH_CONFIG_DIR)
+	})
+	os.Setenv("GH_CONFIG_DIR", tempDir)
+	globalFilePath := filepath.Join(tempDir, "config.yml")
+	hostsFilePath := filepath.Join(tempDir, "hosts.yml")
+	err := os.WriteFile(globalFilePath, []byte(testGlobalData()), 0755)
+	assert.NoError(t, err)
+	err = os.WriteFile(hostsFilePath, []byte(testHostsData()), 0755)
+	assert.NoError(t, err)
 
 	tests := []struct {
 		name          string
@@ -193,7 +204,7 @@ func TestResolveOptions(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			err := resolveOptions(tt.opts, cfg)
+			err := resolveOptions(tt.opts)
 			assert.NoError(t, err)
 			assert.Equal(t, tt.wantHost, tt.opts.Host)
 			assert.Equal(t, tt.wantAuthToken, tt.opts.AuthToken)
@@ -303,17 +314,21 @@ func TestOptionsNeedResolution(t *testing.T) {
 	}
 }
 
-func testConfig() config.Config {
+func testGlobalData() string {
 	var data = `
-hosts:
-  github.com:
-    user: user1
-    oauth_token: token
-    git_protocol: ssh
 http_unix_socket: socket
 `
-	cfg, _ := config.FromString(data)
-	return cfg
+	return data
+}
+
+func testHostsData() string {
+	var data = `
+github.com:
+  user: user1
+  oauth_token: token
+  git_protocol: ssh
+`
+	return data
 }
 
 func printPendingMocks(mocks []gock.Mock) string {