From 913a974eca2522ba7c6d27066481bb2c6635db53 Mon Sep 17 00:00:00 2001
From: Bernhard Guillon <Bernhard.Guillon@begu.org>
Date: Mon, 6 Jul 2026 22:16:37 +0200
Subject: Add log level system and sync logging

- log.go: log level system (DEBUG, INFO, WARN, ERROR, NONE)
- CLI: -log-level flag (default info), -verbose as shorthand for debug
- Watcher: logs sync/remove actions at INFO level
- Watcher: logs events at DEBUG level
- Errors: structured error messages (DISK FULL, PERMISSION DENIED, etc.)
- Updated README with -log-level flag
---
 sync.go | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

(limited to 'sync.go')

diff --git a/sync.go b/sync.go
index 2cead22..806b7a0 100644
--- a/sync.go
+++ b/sync.go
@@ -3,7 +3,6 @@ package main
 import (
 	"fmt"
 	"io"
-	"log"
 	"os"
 	"path/filepath"
 	"time"
@@ -32,12 +31,12 @@ func initialSync(hostDir, dataDir string, stack *GitignoreStack, dryRun bool) (*
 	stats := &syncStats{}
 	start := time.Now()
 
-	log.Printf("initial sync: scanning %s ...", hostDir)
+	logInfo("initial sync: scanning %s ...", hostDir)
 
 	err := filepath.Walk(hostDir, func(path string, info os.FileInfo, err error) error {
 		if err != nil {
 			stats.errors++
-			logError("walk", path, err)
+			logErrorf("walk %s: %v", path, err)
 			return nil
 		}
 
@@ -86,7 +85,7 @@ func initialSync(hostDir, dataDir string, stack *GitignoreStack, dryRun bool) (*
 			linkTarget, err = os.Readlink(path)
 			if err != nil {
 				stats.errors++
-				logError("readlink", relPath, err)
+				logErrorf("readlink %s: %v", relPath, err)
 				return nil
 			}
 		}
@@ -106,35 +105,35 @@ func initialSync(hostDir, dataDir string, stack *GitignoreStack, dryRun bool) (*
 		if info.IsDir() {
 			if err := os.MkdirAll(destPath, info.Mode()); err != nil {
 				stats.errors++
-				logError("mkdir", relPath, err)
+				logErrorf("mkdir %s: %v", relPath, err)
 			}
 			return nil
 		}
 
 		if err := os.MkdirAll(filepath.Dir(destPath), 0755); err != nil {
 			stats.errors++
-			logError("mkdir", filepath.Dir(relPath), err)
+			logErrorf("mkdir %s: %v", filepath.Dir(relPath), err)
 			return nil
 		}
 
 		if linkTarget != "" {
 			if err := os.Symlink(linkTarget, destPath); err != nil {
 				stats.errors++
-				logError("symlink", relPath, err)
+				logErrorf("symlink %s: %v", relPath, err)
 			}
 			return nil
 		}
 
 		if err := copyFileWithRetry(path, destPath, info.Mode()); err != nil {
 			stats.errors++
-			logError("copy", relPath, err)
+			logErrorf("copy %s: %v", relPath, err)
 		}
 		return nil
 	})
 
 	elapsed := time.Since(start)
 	fmt.Fprintf(os.Stderr, "\r")
-	log.Printf("initial sync: done in %s — %d files, %d dirs, %d skipped, %d errors",
+	logInfo("initial sync: done in %s — %d files, %d dirs, %d skipped, %d errors",
 		elapsed.Round(time.Millisecond), stats.files, stats.dirs, stats.skipped, stats.errors)
 
 	return manifest, err
-- 
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