Fix sub-command log level (#25537)

More fix for #24981

* #24981


Close #22361

* #22361

There were many patches for Gitea's sub-commands to satisfy the facts:

* Some sub-commands shouldn't output any log, otherwise the git protocol
would be broken
* Sometimes the users want to see "verbose" or "quiet" outputs

That's a longstanding problem, and very fragile. This PR is only a quick
patch for the problem.

In the future, the sub-command system should be refactored to a clear
solution.

----

Other changes:

* Use `ReplaceAllWriters` to replace
`RemoveAllWriters().AddWriters(writer)`, then it's an atomic operation.
* Remove unnecessary `syncLevelInternal` calls, because
`AddWriters/addWritersInternal` already calls it.

Co-authored-by: Giteabot <teabot@gitea.io>

4 files changed, 10 insertions, 9 deletions

diff --git a/modules/log/logger_global.go b/modules/log/logger_global.go
index 5ccef34b5b..994acfedbb 100644
--- a/modules/log/logger_global.go
+++ b/modules/log/logger_global.go
@@ -79,5 +79,5 @@ func SetConsoleLogger(loggerName, writerName string, level Level) {
 		Colorize:     CanColorStdout,
 		WriterOption: WriterConsoleOption{},
 	})
-	GetManager().GetLogger(loggerName).RemoveAllWriters().AddWriters(writer)
+	GetManager().GetLogger(loggerName).ReplaceAllWriters(writer)
 }
diff --git a/modules/log/logger_impl.go b/modules/log/logger_impl.go
index 903d8cefc2..d38c6516ed 100644
--- a/modules/log/logger_impl.go
+++ b/modules/log/logger_impl.go
@@ -96,7 +96,10 @@ func (l *LoggerImpl) removeWriterInternal(w EventWriter) {
 func (l *LoggerImpl) AddWriters(writer ...EventWriter) {
 	l.eventWriterMu.Lock()
 	defer l.eventWriterMu.Unlock()
+	l.addWritersInternal(writer...)
+}
 
+func (l *LoggerImpl) addWritersInternal(writer ...EventWriter) {
 	for _, w := range writer {
 		if old, ok := l.eventWriters[w.GetWriterName()]; ok {
 			l.removeWriterInternal(old)
@@ -126,8 +129,8 @@ func (l *LoggerImpl) RemoveWriter(modeName string) error {
 	return nil
 }
 
-// RemoveAllWriters removes all writers from the logger, non-shared writers are closed and flushed
-func (l *LoggerImpl) RemoveAllWriters() *LoggerImpl {
+// ReplaceAllWriters replaces all writers from the logger, non-shared writers are closed and flushed
+func (l *LoggerImpl) ReplaceAllWriters(writer ...EventWriter) {
 	l.eventWriterMu.Lock()
 	defer l.eventWriterMu.Unlock()
 
@@ -135,8 +138,7 @@ func (l *LoggerImpl) RemoveAllWriters() *LoggerImpl {
 		l.removeWriterInternal(w)
 	}
 	l.eventWriters = map[string]EventWriter{}
-	l.syncLevelInternal()
-	return l
+	l.addWritersInternal(writer...)
 }
 
 // DumpWriters dumps the writers as a JSON map, it's used for debugging and display purposes.
@@ -161,7 +163,7 @@ func (l *LoggerImpl) DumpWriters() map[string]any {
 
 // Close closes the logger, non-shared writers are closed and flushed
 func (l *LoggerImpl) Close() {
-	l.RemoveAllWriters()
+	l.ReplaceAllWriters()
 	l.ctxCancel()
 }
 
@@ -233,7 +235,6 @@ func NewLoggerWithWriters(ctx context.Context, name string, writer ...EventWrite
 	l.ctx, l.ctxCancel = newProcessTypedContext(ctx, "Logger: "+name)
 	l.LevelLogger = BaseLoggerToGeneralLogger(l)
 	l.eventWriters = map[string]EventWriter{}
-	l.syncLevelInternal()
 	l.AddWriters(writer...)
 	return l
 }
diff --git a/modules/log/manager_test.go b/modules/log/manager_test.go
index aa01f79980..b8fbf84613 100644
--- a/modules/log/manager_test.go
+++ b/modules/log/manager_test.go
@@ -23,7 +23,7 @@ func TestSharedWorker(t *testing.T) {
 	loggerTest := m.GetLogger("test")
 	loggerTest.AddWriters(w)
 	loggerTest.Info("msg-1")
-	loggerTest.RemoveAllWriters() // the shared writer is not closed here
+	loggerTest.ReplaceAllWriters() // the shared writer is not closed here
 	loggerTest.Info("never seen")
 
 	// the shared writer can still be used later
diff --git a/modules/setting/log.go b/modules/setting/log.go
index af64ea8d85..66206f8f4b 100644
--- a/modules/setting/log.go
+++ b/modules/setting/log.go
@@ -244,7 +244,7 @@ func initLoggerByName(manager *log.LoggerManager, rootCfg ConfigProvider, logger
 		eventWriters = append(eventWriters, eventWriter)
 	}
 
-	manager.GetLogger(loggerName).RemoveAllWriters().AddWriters(eventWriters...)
+	manager.GetLogger(loggerName).ReplaceAllWriters(eventWriters...)
 }
 
 func InitSQLLoggersForCli(level log.Level) {