Treat .ghe.com domain as hosted environment (#2480)

Co-authored-by: Nikola Jokic <jokicnikola07@gmail.com>

github/actions/config_test.go

@@ -3,6 +3,7 @@ package actions_test
 import (
 	"errors"
 	"net/url"
+	"os"
 	"strings"
 	"testing"
 
@@ -117,6 +118,16 @@ func TestGitHubConfig(t *testing.T) {
 					IsHosted:     false,
 				},
 			},
+			{
+				configURL: "https://my-ghes.ghe.com/org/",
+				expected: &actions.GitHubConfig{
+					Scope:        actions.GitHubScopeOrganization,
+					Enterprise:   "",
+					Organization: "org",
+					Repository:   "",
+					IsHosted:     true,
+				},
+			},
 		}
 
 		for _, test := range tests {
@@ -151,9 +162,35 @@ func TestGitHubConfig_GitHubAPIURL(t *testing.T) {
 	t.Run("when hosted", func(t *testing.T) {
 		config, err := actions.ParseGitHubConfigFromURL("https://github.com/org/repo")
 		require.NoError(t, err)
+		assert.True(t, config.IsHosted)
 
 		result := config.GitHubAPIURL("/some/path")
 		assert.Equal(t, "https://api.github.com/some/path", result.String())
 	})
-	t.Run("when not hosted", func(t *testing.T) {})
+	t.Run("when hosted with ghe.com", func(t *testing.T) {
+		config, err := actions.ParseGitHubConfigFromURL("https://github.ghe.com/org/repo")
+		require.NoError(t, err)
+		assert.True(t, config.IsHosted)
+
+		result := config.GitHubAPIURL("/some/path")
+		assert.Equal(t, "https://api.github.ghe.com/some/path", result.String())
+	})
+	t.Run("when not hosted", func(t *testing.T) {
+		config, err := actions.ParseGitHubConfigFromURL("https://ghes.com/org/repo")
+		require.NoError(t, err)
+		assert.False(t, config.IsHosted)
+
+		result := config.GitHubAPIURL("/some/path")
+		assert.Equal(t, "https://ghes.com/api/v3/some/path", result.String())
+	})
+	t.Run("when not hosted with ghe.com", func(t *testing.T) {
+		os.Setenv("GITHUB_ACTIONS_FORCE_GHES", "1")
+		defer os.Unsetenv("GITHUB_ACTIONS_FORCE_GHES")
+		config, err := actions.ParseGitHubConfigFromURL("https://test.ghe.com/org/repo")
+		require.NoError(t, err)
+		assert.False(t, config.IsHosted)
+
+		result := config.GitHubAPIURL("/some/path")
+		assert.Equal(t, "https://test.ghe.com/api/v3/some/path", result.String())
+	})
 }