[CI] DEFAULT_ACTIONS_URL = https://codeberg.org

[CI] Revert "Restrict `[actions].DEFAULT_ACTIONS_URL` to only `github` or `self` (#25581)"

This reverts commit 67bd9d4f1e.

(cherry picked from commit 0547e94023)
(cherry picked from commit d21ad654ad)
(cherry picked from commit b905e9d838)
(cherry picked from commit 251a5bf235b1723bc2bc324f9e8c03a8668bb5ae)
(cherry picked from commit b370e47694)
(cherry picked from commit 2cc28d0785)
(cherry picked from commit ed870a39e9)
(cherry picked from commit 7bb0c4654e)
(cherry picked from commit bab1f552c3)

Conflicts:
	custom/conf/app.example.ini
	modules/setting/actions.go
	https://codeberg.org/forgejo/forgejo/pulls/1413

[CI] DEFAULT_ACTIONS_URL = https://codeberg.org

(cherry picked from commit 52b364ddbd)
(cherry picked from commit 99887cd567)
(cherry picked from commit cd5788782a)
(cherry picked from commit 71c698a704)
(cherry picked from commit 71386241dd)
(cherry picked from commit b7ab05aeac)
(cherry picked from commit e78b9ca59c)
(cherry picked from commit edb3adf460)
(cherry picked from commit 3e40088197)

[BRANDING] DEFAULT_ACTIONS_URL = https://code.forgejo.org

(cherry picked from commit d0e4512c90)
(cherry picked from commit 8ba6e04709)
(cherry picked from commit 6349081044)
(cherry picked from commit e06bd44495)
(cherry picked from commit d58219d8e1)
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(cherry picked from commit d650391fed)
(cherry picked from commit c2e6e8c55d)
(cherry picked from commit e28a47741d)

[CI] DEFAULT_ACTIONS_URL support for self & github (squash)

Refs: https://codeberg.org/forgejo/forgejo/issues/1062
(cherry picked from commit 74cc25376e)
(cherry picked from commit 405430708f)
(cherry picked from commit 0274a6dee7f383bcd6b65b995b991b5ab0ee635a)
(cherry picked from commit be5cda0fd0)
(cherry picked from commit d27474849f)
(cherry picked from commit 4a5e9e2d81)
(cherry picked from commit 65b31906b2)
(cherry picked from commit 13cf0b0963)

Conflicts:
	custom/conf/app.example.ini
	modules/setting/actions.go
	https://codeberg.org/forgejo/forgejo/pulls/1413

custom/conf/app.example.ini

@@ -2563,9 +2563,8 @@ LEVEL = Info
 ; [actions]
 ;; Enable/Disable actions capabilities
 ;ENABLED = false
-;;
-;; Default platform to get action plugins, `github` for `https://github.com`, `self` for the current Gitea instance.
-;DEFAULT_ACTIONS_URL = github
+;; Default address to get action plugins, e.g. the default value means downloading from "https://code.forgejo.org/actions/checkout" for "uses: actions/checkout@v3"
+;DEFAULT_ACTIONS_URL = https://code.forgejo.org
 ;; Default artifact retention time in days, default is 90 days
 ;ARTIFACT_RETENTION_DAYS = 90
 

docs/content/administration/config-cheat-sheet.en-us.md

@@ -1385,23 +1385,40 @@ PROXY_HOSTS = *.github.com
 ## Actions (`actions`)
 
 - `ENABLED`: **false**: Enable/Disable actions capabilities
-- `DEFAULT_ACTIONS_URL`: **github**: Default platform to get action plugins, `github` for `https://github.com`, `self` for the current Gitea instance.
+- `DEFAULT_ACTIONS_URL`: **https://gitea.com**: Default address to get action plugins, e.g. the default value means downloading from "<https://gitea.com/actions/checkout>" for "uses: actions/checkout@v3"
 - `STORAGE_TYPE`: **local**: Storage type for actions logs, `local` for local disk or `minio` for s3 compatible object storage service, default is `local` or other name defined with `[storage.xxx]`
 - `MINIO_BASE_PATH`: **actions_log/**: Minio base path on the bucket only available when STORAGE_TYPE is `minio`
 - `ARTIFACT_RETENTION_DAYS`: **90**: Number of days to keep artifacts. Set to 0 to disable artifact retention. Default is 90 days if not set.
 
-`DEFAULT_ACTIONS_URL` indicates where the Gitea Actions runners should find the actions with relative path.
-For example, `uses: actions/checkout@v3` means `https://github.com/actions/checkout@v3` since the value of `DEFAULT_ACTIONS_URL` is `github`.
-And it can be changed to `self` to make it `root_url_of_your_gitea/actions/checkout@v3`.
+`DEFAULT_ACTIONS_URL` indicates where should we find the relative path action plugin. i.e. when use an action in a workflow file like
 
-Please note that using `self` is not recommended for most cases, as it could make names globally ambiguous.
-Additionally, it requires you to mirror all the actions you need to your Gitea instance, which may not be worth it.
-Therefore, please use `self` only if you understand what you are doing.
+```yaml
+name: versions
+on:
+  push:
+    branches:
+      - main
+      - releases/*
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+```
 
-In earlier versions (<= 1.19), `DEFAULT_ACTIONS_URL` cound be set to any custom URLs like `https://gitea.com` or `http://your-git-server,https://gitea.com`, and the default value was `https://gitea.com`.
-However, later updates removed those options, and now the only options are `github` and `self`, with the default value being `github`.
-However, if you want to use actions from other git server, you can use a complete URL in `uses` field, it's supported by Gitea (but not GitHub).
-Like `uses: https://gitea.com/actions/checkout@v3` or `uses: http://your-git-server/actions/checkout@v3`.
+Now we need to know how to get actions/checkout, this configuration is the default git server to get it. That means we will get the repository via git clone ${DEFAULT_ACTIONS_URL}/actions/checkout and fetch tag v3.
+
+To help people who don't want to mirror these actions in their git instances, the default value is https://gitea.com
+To help people run actions totally in their network, they can change the value and copy all necessary action repositories into their git server.
+
+Of course we should support the form in future PRs like
+
+```yaml
+steps:
+  - uses: gitea.com/actions/checkout@v3
+```
+
+although Github don't support this form.
 
 ## Other (`other`)
 

modules/setting/actions.go

@@ -6,8 +6,6 @@ package setting
 import (
 	"fmt"
 	"strings"
-
-	"code.gitea.io/gitea/modules/log"
 )
 
 // Actions settings
@@ -20,7 +18,7 @@ var (
 		DefaultActionsURL     defaultActionsURL `ini:"DEFAULT_ACTIONS_URL"`
 	}{
 		Enabled:           false,
-		DefaultActionsURL: defaultActionsURLGitHub,
+		DefaultActionsURL: defaultActionsURLForgejo,
 	}
 )
 
@@ -33,18 +31,14 @@ func (url defaultActionsURL) URL() string {
 	case defaultActionsURLSelf:
 		return strings.TrimSuffix(AppURL, "/")
 	default:
-		// This should never happen, but just in case, use GitHub as fallback
-		return "https://github.com"
+		return string(url)
 	}
 }
 
 const (
+	defaultActionsURLForgejo = "https://code.forgejo.org"
 	defaultActionsURLGitHub  = "github" // https://github.com
-	defaultActionsURLSelf   = "self"   // the root URL of the self-hosted Gitea instance
-	// DefaultActionsURL only supports GitHub and the self-hosted Gitea.
-	// It's intentionally not supported more, so please be cautious before adding more like "gitea" or "gitlab".
-	// If you get some trouble with `uses: username/action_name@version` in your workflow,
-	// please consider to use `uses: https://the_url_you_want_to_use/username/action_name@version` instead.
+	defaultActionsURLSelf    = "self"   // the root URL of the self-hosted instance
 )
 
 func loadActionsFrom(rootCfg ConfigProvider) error {
@@ -54,19 +48,6 @@ func loadActionsFrom(rootCfg ConfigProvider) error {
 		return fmt.Errorf("failed to map Actions settings: %v", err)
 	}
 
-	if urls := string(Actions.DefaultActionsURL); urls != defaultActionsURLGitHub && urls != defaultActionsURLSelf {
-		url := strings.Split(urls, ",")[0]
-		if strings.HasPrefix(url, "https://") || strings.HasPrefix(url, "http://") {
-			log.Error("[actions] DEFAULT_ACTIONS_URL does not support %q as custom URL any longer, fallback to %q",
-				urls,
-				defaultActionsURLGitHub,
-			)
-			Actions.DefaultActionsURL = defaultActionsURLGitHub
-		} else {
-			return fmt.Errorf("unsupported [actions] DEFAULT_ACTIONS_URL: %q", urls)
-		}
-	}
-
 	// don't support to read configuration from [actions]
 	Actions.LogStorage, err = getStorage(rootCfg, "actions_log", "", nil)
 	if err != nil {

modules/setting/actions_test.go

@@ -110,7 +110,6 @@ func Test_getDefaultActionsURLForActions(t *testing.T) {
 	tests := []struct {
 		name    string
 		iniStr  string
-		wantErr assert.ErrorAssertionFunc
 		wantURL string
 	}{
 		{
@@ -118,8 +117,7 @@ func Test_getDefaultActionsURLForActions(t *testing.T) {
 			iniStr: `
 [actions]
 `,
-			wantErr: assert.NoError,
-			wantURL: "https://github.com",
+			wantURL: "https://code.forgejo.org",
 		},
 		{
 			name: "github",
@@ -127,7 +125,6 @@ func Test_getDefaultActionsURLForActions(t *testing.T) {
 [actions]
 DEFAULT_ACTIONS_URL = github
 `,
-			wantErr: assert.NoError,
 			wantURL: "https://github.com",
 		},
 		{
@@ -136,35 +133,15 @@ DEFAULT_ACTIONS_URL = github
 [actions]
 DEFAULT_ACTIONS_URL = self
 `,
-			wantErr: assert.NoError,
 			wantURL: "http://test_get_default_actions_url_for_actions:3000",
 		},
-		{
-			name: "custom url",
-			iniStr: `
-[actions]
-DEFAULT_ACTIONS_URL = https://gitea.com
-`,
-			wantErr: assert.NoError,
-			wantURL: "https://github.com",
-		},
 		{
 			name: "custom urls",
 			iniStr: `
 [actions]
-DEFAULT_ACTIONS_URL = https://gitea.com,https://github.com
+DEFAULT_ACTIONS_URL = https://example.com
 `,
-			wantErr: assert.NoError,
-			wantURL: "https://github.com",
-		},
-		{
-			name: "invalid",
-			iniStr: `
-[actions]
-DEFAULT_ACTIONS_URL = gitea
-`,
-			wantErr: assert.Error,
-			wantURL: "https://github.com",
+			wantURL: "https://example.com",
 		},
 	}
 
@@ -172,7 +149,7 @@ DEFAULT_ACTIONS_URL = gitea
 		t.Run(tt.name, func(t *testing.T) {
 			cfg, err := NewConfigProviderFromData(tt.iniStr)
 			require.NoError(t, err)
-			if !tt.wantErr(t, loadActionsFrom(cfg)) {
+			if !assert.NoError(t, loadActionsFrom(cfg)) {
 				return
 			}
 			assert.EqualValues(t, tt.wantURL, Actions.DefaultActionsURL.URL())