Config option to disable automatic repo watching (#5852)

Add a new config option to enable / disable the automatic watching of
repos for new repositories and if a user is added to a team.

Fixes #653

Signed-off-by: Sebastian Sauer <sauer.sebastian@gmail.com>

custom/conf/app.ini.sample

 NO_REPLY_ADDRESS = noreply.example.org
 ; Show Registration button
 SHOW_REGISTRATION_BUTTON = true
+; Default value for AutoWatchNewRepos
+; When adding a repo to a team or creating a new repo all team members will watch the 
+; repo automatically if enabled 
+AUTO_WATCH_NEW_REPOS = true
 
 [webhook]
 ; Hook task queue length, increase if webhook shooting starts hanging

docs/content/doc/advanced/config-cheat-sheet.en-us.md

 - `EMAIL_DOMAIN_WHITELIST`: **\<empty\>**: If non-empty, list of domain names that can only be used to register
   on this instance.
 - `SHOW_REGISTRATION_BUTTON`: **! DISABLE\_REGISTRATION**: Show Registration Button
+- `AUTO_WATCH_NEW_REPOS`: **true** Enable this to let all organisation users watch new repos when they are created
 
 ## Webhook (`webhook`)
 

models/org_team.go

 	"strings"
 
 	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/setting"
+
 	"github.com/go-xorm/xorm"
 )
 
 		return fmt.Errorf("recalculateAccesses: %v", err)
 	}
 
-	if err = t.getMembers(e); err != nil {
-		return fmt.Errorf("getMembers: %v", err)
-	}
-	for _, u := range t.Members {
-		if err = watchRepo(e, u.ID, repo.ID, true); err != nil {
-			return fmt.Errorf("watchRepo: %v", err)
+	// Make all team members watch this repo if enabled in global settings
+	if setting.Service.AutoWatchNewRepos {
+		if err = t.getMembers(e); err != nil {
+			return fmt.Errorf("getMembers: %v", err)
+		}
+		for _, u := range t.Members {
+			if err = watchRepo(e, u.ID, repo.ID, true); err != nil {
+				return fmt.Errorf("watchRepo: %v", err)
+			}
 		}
 	}
+
 	return nil
 }
 
 		if err := repo.recalculateTeamAccesses(sess, 0); err != nil {
 			return err
 		}
-
-		if err = watchRepo(sess, userID, repo.ID, true); err != nil {
-			return err
+		if setting.Service.AutoWatchNewRepos {
+			if err = watchRepo(sess, userID, repo.ID, true); err != nil {
+				return err
+			}
 		}
 	}
 

models/repo.go

 	"github.com/Unknwon/com"
 	"github.com/go-xorm/builder"
 	"github.com/go-xorm/xorm"
-	"github.com/mcuadros/go-version"
-	"gopkg.in/ini.v1"
+	version "github.com/mcuadros/go-version"
+	ini "gopkg.in/ini.v1"
 )
 
 var repoWorkingPool = sync.NewExclusivePool()
 		}
 	}
 
-	if err = watchRepo(e, doer.ID, repo.ID, true); err != nil {
-		return fmt.Errorf("watchRepo: %v", err)
-	} else if err = newRepoAction(e, u, repo); err != nil {
+	if setting.Service.AutoWatchNewRepos {
+		if err = watchRepo(e, doer.ID, repo.ID, true); err != nil {
+			return fmt.Errorf("watchRepo: %v", err)
+		}
+	}
+	if err = newRepoAction(e, u, repo); err != nil {
 		return fmt.Errorf("newRepoAction: %v", err)
 	}
 

modules/setting/setting.go

 	DefaultAllowOnlyContributorsToTrackTime bool
 	NoReplyAddress                          string
 	EnableUserHeatmap                       bool
+	AutoWatchNewRepos                       bool
 
 	// OpenID settings
 	EnableOpenIDSignIn bool
 	Service.DefaultAllowOnlyContributorsToTrackTime = sec.Key("DEFAULT_ALLOW_ONLY_CONTRIBUTORS_TO_TRACK_TIME").MustBool(true)
 	Service.NoReplyAddress = sec.Key("NO_REPLY_ADDRESS").MustString("noreply.example.org")
 	Service.EnableUserHeatmap = sec.Key("ENABLE_USER_HEATMAP").MustBool(true)
+	Service.AutoWatchNewRepos = sec.Key("AUTO_WATCH_NEW_REPOS").MustBool(true)
 
 	sec = Cfg.Section("openid")
 	Service.EnableOpenIDSignIn = sec.Key("ENABLE_OPENID_SIGNIN").MustBool(!InstallLock)