fix: improve file path matching in error message

Author: jon4hz

journald.go

@@ -9,6 +9,7 @@ import (
 	"os"
 	"os/exec"
 	"path"
+	"regexp"
 	"strings"
 
 	"github.com/spf13/cobra"
@@ -111,12 +112,23 @@ func shouldTriggerError(entry LogEntry) bool {
 	return strings.Contains(entry.Message, "vfs cache: failed to upload")
 }
 
+var fileNameRegex = regexp.MustCompile(`ERROR\s+:\s+(.+?):\s`)
+
+func fileNameFromEntry(entry LogEntry) string {
+	s := fileNameRegex.FindStringSubmatch(entry.Message)
+	if len(s) < 2 {
+		return ""
+	}
+	fmt.Println(s)
+	return s[1]
+}
+
 func handleLogEntry(entry LogEntry, driveName string) {
 	if !shouldTriggerError(entry) {
 		return
 	}
 
-	fileName := strings.TrimSpace(strings.SplitN(entry.Message, ":", 3)[1])
+	fileName := fileNameFromEntry(entry)
 	filePath := fileNameToPath(driveName, fileName)
 
 	// make sure file still exists

journald_test.go

@@ -146,3 +146,30 @@ func TestShouldTriggerError(t *testing.T) {
 		assert.Equalf(t, tt.want, got, "%s: shouldTriggerError() = %v, want %v", tt.name, got, tt.want)
 	}
 }
+
+func TestFileNameFromEntry(t *testing.T) {
+	for _, test := range []struct {
+		name    string
+		message string
+	}{
+		{
+			name:    "test",
+			message: "ERROR : test: vfs cache: failed to upload try #3, will retry in 40s: vfs cache: failed to transfer file from cache to remote: googleapi: Error 403: Insufficient permissions for the specified parent., insufficientParentPermissions",
+		},
+		{
+			name:    "/",
+			message: "ERROR : /: Dir.Mkdir failed to create directory: failed to make directory: googleapi: Error 403: Insufficient permissions for the specified parent., insufficientParentPermissions",
+		},
+		{
+			name:    "blatest.test",
+			message: "Mai 21 11:26:12 psigma rclone[270244]: 2025/05/21 11:26:12 ERROR : blatest.test: vfs cache: failed to upload try #4, will retry in 1m20s: vfs cache: failed to transfer file from cache to remote: googleapi: Error 403: Insufficient permissions for the specified parent., insufficientParentPermissions",
+		},
+		{
+			name:    "",
+			message: "something anything nothing",
+		},
+	} {
+		n := fileNameFromEntry(LogEntry{Message: test.message})
+		assert.Equal(t, test.name, n)
+	}
+}