fix: redirect early CLI console logger to stderr

modules/log/logger_global.go

@@ -77,10 +77,15 @@
 
 func SetConsoleLogger(loggerName, writerName string, level Level) {
 	writer := NewEventWriterConsole(writerName, WriterMode{
 		Level:        level,
 		Flags:        FlagsFromBits(LstdFlags),
 		Colorize:     CanColorStdout,
-		WriterOption: WriterConsoleOption{},
+		// Stderr must be true: this logger is installed early (app.Before), before subcommands
+		// like "dump" redirect logging to stderr. If set to false, log output goes to stdout and
+		// corrupts any command that writes data to stdout (e.g. "gitea dump --file -").
+		// It is inconsistent with the default console logger (which will be initialized later and might use Stdout by default),
+		// but there is no other way than this patch at the moment.
+		WriterOption: WriterConsoleOption{Stderr: true},
 	})
 	GetManager().GetLogger(loggerName).ReplaceAllWriters(writer)
 }