More betterify logging

This commit is contained in:
2025-03-10 18:42:29 +01:00
parent 6359705714
commit 8c5d783d2c
4 changed files with 85 additions and 46 deletions

1
.gitignore vendored
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@@ -1,3 +1,4 @@
*.exe *.exe
*.exe *.exe
cln cln
cln.log

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@@ -132,12 +132,14 @@ func isTrue(value string) bool {
func (instruction *LinkInstruction) RunAsync(status chan (error)) { func (instruction *LinkInstruction) RunAsync(status chan (error)) {
defer close(status) defer close(status)
if !FileExists(instruction.Source) { if !FileExists(instruction.Source) {
status <- fmt.Errorf("instruction source %s%s%s does not exist", SourceColor, instruction.Source, DefaultColor) status <- fmt.Errorf("instruction source %s does not exist", FormatSourcePath(instruction.Source))
return return
} }
if !instruction.Force && AreSame(instruction.Source, instruction.Target) { if !instruction.Force && AreSame(instruction.Source, instruction.Target) {
status <- fmt.Errorf("source %s%s%s and target %s%s%s are the same, %snothing to do...%s", SourceColor, instruction.Source, DefaultColor, TargetColor, instruction.Target, DefaultColor, PathColor, DefaultColor) status <- fmt.Errorf("source %s and target %s are the same, nothing to do...",
FormatSourcePath(instruction.Source),
FormatTargetPath(instruction.Target))
return return
} }
@@ -145,21 +147,24 @@ func (instruction *LinkInstruction) RunAsync(status chan (error)) {
if instruction.Force { if instruction.Force {
isSymlink, err := IsSymlink(instruction.Target) isSymlink, err := IsSymlink(instruction.Target)
if err != nil { if err != nil {
status <- fmt.Errorf("could not determine whether %s%s%s is a sym link or not, stopping; err: %s%+v%s", TargetColor, instruction.Target, DefaultColor, ErrorColor, err, DefaultColor) status <- fmt.Errorf("could not determine whether %s is a sym link or not, stopping; err: %v",
FormatTargetPath(instruction.Target), err)
return return
} }
if instruction.Hard { if instruction.Hard {
info, err := os.Stat(instruction.Target) info, err := os.Stat(instruction.Target)
if err != nil { if err != nil {
status <- fmt.Errorf("could not stat %s%s%s, stopping; err: %s%+v%s", TargetColor, instruction.Target, DefaultColor, ErrorColor, err, DefaultColor) status <- fmt.Errorf("could not stat %s, stopping; err: %v",
FormatTargetPath(instruction.Target), err)
return return
} }
if info.Mode().IsRegular() && info.Name() == filepath.Base(instruction.Source) { if info.Mode().IsRegular() && info.Name() == filepath.Base(instruction.Source) {
LogTarget("Overwriting existing file %s", instruction.Target) LogTarget("Overwriting existing file %s", instruction.Target)
err := os.Remove(instruction.Target) err := os.Remove(instruction.Target)
if err != nil { if err != nil {
status <- fmt.Errorf("could not remove existing file %s%s%s; err: %s%+v%s", TargetColor, instruction.Target, DefaultColor, ErrorColor, err, DefaultColor) status <- fmt.Errorf("could not remove existing file %s; err: %v",
FormatTargetPath(instruction.Target), err)
return return
} }
} }
@@ -169,23 +174,27 @@ func (instruction *LinkInstruction) RunAsync(status chan (error)) {
LogTarget("Removing symlink at %s", instruction.Target) LogTarget("Removing symlink at %s", instruction.Target)
err = os.Remove(instruction.Target) err = os.Remove(instruction.Target)
if err != nil { if err != nil {
status <- fmt.Errorf("failed deleting %s%s%s due to %s%+v%s", TargetColor, instruction.Target, DefaultColor, ErrorColor, err, DefaultColor) status <- fmt.Errorf("failed deleting %s due to %v",
FormatTargetPath(instruction.Target), err)
return return
} }
} else { } else {
if !instruction.Delete { if !instruction.Delete {
status <- fmt.Errorf("refusing to delte actual (non symlink) file %s%s%s", TargetColor, instruction.Target, DefaultColor) status <- fmt.Errorf("refusing to delte actual (non symlink) file %s",
FormatTargetPath(instruction.Target))
return return
} }
LogImportant("Deleting (!!!) %s", instruction.Target) LogImportant("Deleting (!!!) %s", instruction.Target)
err = os.RemoveAll(instruction.Target) err = os.RemoveAll(instruction.Target)
if err != nil { if err != nil {
status <- fmt.Errorf("failed deleting %s%s%s due to %s%+v%s", TargetColor, instruction.Target, DefaultColor, ErrorColor, err, DefaultColor) status <- fmt.Errorf("failed deleting %s due to %v",
FormatTargetPath(instruction.Target), err)
return return
} }
} }
} else { } else {
status <- fmt.Errorf("target %s%s%s exists - handle manually or set the 'forced' flag (3rd field)", TargetColor, instruction.Target, DefaultColor) status <- fmt.Errorf("target %s exists - handle manually or set the 'forced' flag (3rd field)",
FormatTargetPath(instruction.Target))
return return
} }
} }
@@ -194,7 +203,8 @@ func (instruction *LinkInstruction) RunAsync(status chan (error)) {
if _, err := os.Stat(targetDir); os.IsNotExist(err) { if _, err := os.Stat(targetDir); os.IsNotExist(err) {
err = os.MkdirAll(targetDir, 0755) err = os.MkdirAll(targetDir, 0755)
if err != nil { if err != nil {
status <- fmt.Errorf("failed creating directory %s%s%s due to %s%+v%s", TargetColor, targetDir, DefaultColor, ErrorColor, err, DefaultColor) status <- fmt.Errorf("failed creating directory %s due to %v",
FormatTargetPath(targetDir), err)
return return
} }
} }
@@ -206,7 +216,10 @@ func (instruction *LinkInstruction) RunAsync(status chan (error)) {
err = os.Symlink(instruction.Source, instruction.Target) err = os.Symlink(instruction.Source, instruction.Target)
} }
if err != nil { if err != nil {
status <- fmt.Errorf("failed creating symlink between %s%s%s and %s%s%s with error %s%+v%s", SourceColor, instruction.Source, DefaultColor, TargetColor, instruction.Target, DefaultColor, ErrorColor, err, DefaultColor) status <- fmt.Errorf("failed creating symlink between %s and %s with error %v",
FormatSourcePath(instruction.Source),
FormatTargetPath(instruction.Target),
err)
return return
} }
LogInfo("Created symlink between %s and %s", LogInfo("Created symlink between %s and %s",

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@@ -5,62 +5,88 @@ import (
"log" "log"
) )
// Message type prefixes
const (
InfoPrefix = "INFO"
ErrorPrefix = "ERROR"
WarningPrefix = "WARN"
SourcePrefix = "SOURCE"
TargetPrefix = "TARGET"
PathPrefix = "PATH"
ImportantPrefix = "IMPORTANT"
)
// LogInfo logs an informational message // LogInfo logs an informational message
func LogInfo(format string, args ...interface{}) { func LogInfo(format string, args ...interface{}) {
log.Printf(format, args...) message := fmt.Sprintf(format, args...)
log.Printf("%s[%s]%s %s", BGreen, InfoPrefix, Reset, message)
} }
// LogSource logs a message about a source file/path with proper coloring // LogSource logs a message about a source file/path with proper coloring
func LogSource(format string, args ...interface{}) { func LogSource(format string, args ...interface{}) {
message := fmt.Sprintf(format, args...) message := fmt.Sprintf(format, args...)
log.Printf("%s%s%s", SourceColor, message, DefaultColor) log.Printf("%s[%s]%s %s%s%s", BPurple, SourcePrefix, Reset, SourceColor, message, Reset)
} }
// LogTarget logs a message about a target file/path with proper coloring // LogTarget logs a message about a target file/path with proper coloring
func LogTarget(format string, args ...interface{}) { func LogTarget(format string, args ...interface{}) {
message := fmt.Sprintf(format, args...) message := fmt.Sprintf(format, args...)
log.Printf("%s%s%s", TargetColor, message, DefaultColor) log.Printf("%s[%s]%s %s%s%s", BYellow, TargetPrefix, Reset, TargetColor, message, Reset)
} }
// LogPath logs a message about a path with proper coloring // LogPath logs a message about a path with proper coloring
func LogPath(format string, args ...interface{}) { func LogPath(format string, args ...interface{}) {
message := fmt.Sprintf(format, args...) message := fmt.Sprintf(format, args...)
log.Printf("%s%s%s", PathColor, message, DefaultColor) log.Printf("%s[%s]%s %s%s%s", BGreen, PathPrefix, Reset, PathColor, message, Reset)
} }
// LogImportant logs a message that needs attention with proper coloring // LogImportant logs a message that needs attention with proper coloring
func LogImportant(format string, args ...interface{}) { func LogImportant(format string, args ...interface{}) {
message := fmt.Sprintf(format, args...) message := fmt.Sprintf(format, args...)
log.Printf("%s%s%s", ImportantColor, message, DefaultColor) log.Printf("%s[%s]%s %s%s%s", BRed, ImportantPrefix, Reset, ImportantColor, message, Reset)
} }
// LogError logs an error message with proper coloring that won't be cut off // LogError logs an error message with proper coloring that won't be cut off
func LogError(format string, args ...interface{}) { func LogError(format string, args ...interface{}) {
// Format the message first with normal text (no red coloring)
message := fmt.Sprintf(format, args...) message := fmt.Sprintf(format, args...)
log.Printf("%s%s%s", ErrorColor, message, DefaultColor)
// Make sure we're properly resetting before applying error color to avoid cutoffs // The Error prefix itself is bold red on a light background for maximum visibility
log.Printf("%s%s%s", ErrorColor, fmt.Sprintf(format, args...), DefaultColor) prefix := fmt.Sprintf("%s%s[%s]%s ", BRed, On_White, ErrorPrefix, Reset)
// The message is in default color (no red), only the [ERROR] prefix is colored
log.Printf("%s%s", prefix, message)
} }
// FormatSourcePath formats a source path with proper coloring // FormatSourcePath returns a source path with proper coloring
func FormatSourcePath(path string) string { func FormatSourcePath(path string) string {
return fmt.Sprintf("%s%s%s", SourceColor, path, DefaultColor) return fmt.Sprintf("%s%s%s", SourceColor, path, Reset)
} }
// FormatTargetPath formats a target path with proper coloring // FormatTargetPath returns a target path with proper coloring
func FormatTargetPath(path string) string { func FormatTargetPath(path string) string {
return fmt.Sprintf("%s%s%s", TargetColor, path, DefaultColor) return fmt.Sprintf("%s%s%s", TargetColor, path, Reset)
} }
// FormatPathValue formats a path value with proper coloring // FormatPathValue returns a path with proper coloring
func FormatPathValue(path string) string { func FormatPathValue(path string) string {
return fmt.Sprintf("%s%s%s", PathColor, path, DefaultColor) return fmt.Sprintf("%s%s%s", PathColor, path, Reset)
} }
// FormatErrorValue formats an error value with proper coloring // FormatErrorValue returns an error value without any additional formatting
// Since error messages are no longer red, we don't need special formatting
func FormatErrorValue(err error) string { func FormatErrorValue(err error) string {
if err == nil { if err == nil {
return "" return ""
} }
return fmt.Sprintf("%s%v%s", ErrorColor, err, DefaultColor) // Just return the error string with no color formatting
return fmt.Sprintf("%v", err)
}
// FormatErrorMessage formats an error message with no additional color formatting,
// while preserving the special formatting of embedded source/target/path elements.
func FormatErrorMessage(format string, args ...interface{}) string {
// This just formats the message with no additional color formatting
// The path formatting will still be preserved
return fmt.Sprintf(format, args...)
} }

37
main.go
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@@ -15,9 +15,9 @@ import (
const deliminer = "," const deliminer = ","
const SourceColor = Purple const SourceColor = Purple
const TargetColor = Yellow const TargetColor = Yellow
const ErrorColor = URed const ErrorColor = Red
const ImportantColor = BRed const ImportantColor = BRed
const DefaultColor = White const DefaultColor = Reset
const PathColor = Green const PathColor = Green
var FileRegex, _ = regexp.Compile(`sync\.ya?ml$`) var FileRegex, _ = regexp.Compile(`sync\.ya?ml$`)
@@ -31,7 +31,7 @@ func main() {
if *debug { if *debug {
log.SetFlags(log.Lmicroseconds | log.Lshortfile) log.SetFlags(log.Lmicroseconds | log.Lshortfile)
logFile, err := os.Create("cln.log") logFile, err := os.Create(programName + ".log")
if err != nil { if err != nil {
LogError("Error creating log file: %v", err) LogError("Error creating log file: %v", err)
os.Exit(1) os.Exit(1)
@@ -94,7 +94,7 @@ func main() {
} }
}() }()
var instructionsDone int32 var instructionsDone int32 = 0
var wg sync.WaitGroup var wg sync.WaitGroup
for { for {
instruction, ok := <-instructions instruction, ok := <-instructions
@@ -108,8 +108,7 @@ func main() {
wg.Add(1) wg.Add(1)
err := <-status err := <-status
if err != nil { if err != nil {
LogError("Failed parsing instruction %s due to %v", LogError("Failed processing instruction: %v", err)
FormatSourcePath(instruction.String()), err)
} }
atomic.AddInt32(&instructionsDone, 1) atomic.AddInt32(&instructionsDone, 1)
wg.Done() wg.Done()
@@ -136,7 +135,7 @@ func ReadFromFilesRecursively(input string, output chan *LinkInstruction, status
workdir, _ := os.Getwd() workdir, _ := os.Getwd()
input = NormalizePath(input, workdir) input = NormalizePath(input, workdir)
LogInfo("Reading input from files recursively starting in %s%s%s", PathColor, input, DefaultColor) LogInfo("Reading input from files recursively starting in %s", FormatPathValue(input))
files := make(chan string, 128) files := make(chan string, 128)
fileStatus := make(chan error) fileStatus := make(chan error)
@@ -171,19 +170,21 @@ func ReadFromFilesRecursively(input string, output chan *LinkInstruction, status
defer wg.Done() defer wg.Done()
LogInfo(file) LogInfo(file)
file = NormalizePath(file, workdir) file = NormalizePath(file, workdir)
LogInfo("Processing file: %s%s%s", PathColor, file, DefaultColor) LogInfo("Processing file: %s", FormatPathValue(file))
// This "has" to be done because instructions are resolved in relation to cwd // This "has" to be done because instructions are resolved in relation to cwd
fileDir := FileRegex.FindStringSubmatch(file) fileDir := FileRegex.FindStringSubmatch(file)
if fileDir == nil { if fileDir == nil {
LogError("Failed to extract directory from %s%s%s", SourceColor, file, DefaultColor) LogError("Failed to extract directory from %s", FormatSourcePath(file))
return return
} }
LogInfo("Changing directory to %s%s%s (for %s%s%s)", PathColor, fileDir[1], DefaultColor, PathColor, file, DefaultColor) LogInfo("Changing directory to %s (for %s)",
FormatPathValue(fileDir[1]),
FormatPathValue(file))
err := os.Chdir(fileDir[1]) err := os.Chdir(fileDir[1])
if err != nil { if err != nil {
LogError("Failed to change directory to %s%s%s: %v", LogError("Failed to change directory to %s: %v",
SourceColor, fileDir[1], DefaultColor, err) FormatSourcePath(fileDir[1]), err)
return return
} }
ReadFromFile(file, output, status, false) ReadFromFile(file, output, status, false)
@@ -200,15 +201,15 @@ func ReadFromFile(input string, output chan *LinkInstruction, status chan error,
} }
input = NormalizePath(input, filepath.Dir(input)) input = NormalizePath(input, filepath.Dir(input))
LogInfo("Reading input from file: %s%s%s", PathColor, input, DefaultColor) LogInfo("Reading input from file: %s", FormatPathValue(input))
// Check if this is a YAML file // Check if this is a YAML file
if IsYAMLFile(input) { if IsYAMLFile(input) {
LogInfo("Parsing as YAML file") LogInfo("Parsing as YAML file")
instructions, err := ParseYAMLFile(input, filepath.Dir(input)) instructions, err := ParseYAMLFile(input, filepath.Dir(input))
if err != nil { if err != nil {
LogError("Failed to parse YAML file %s%s%s: %s%+v%s", LogError("Failed to parse YAML file %s: %v",
SourceColor, input, DefaultColor, ErrorColor, err, DefaultColor) FormatSourcePath(input), err)
status <- err status <- err
return return
} }
@@ -231,8 +232,7 @@ func ReadFromArgs(output chan *LinkInstruction, status chan error) {
for _, arg := range flag.Args() { for _, arg := range flag.Args() {
instruction, err := ParseInstruction(arg, workdir) instruction, err := ParseInstruction(arg, workdir)
if err != nil { if err != nil {
LogError("Error parsing arg: %s'%s'%s, error: %v", LogError("Error parsing arg '%s': %v", arg, err)
SourceColor, arg, DefaultColor, err)
continue continue
} }
output <- &instruction output <- &instruction
@@ -251,8 +251,7 @@ func ReadFromStdin(output chan *LinkInstruction, status chan error) {
line := scanner.Text() line := scanner.Text()
instruction, err := ParseInstruction(line, workdir) instruction, err := ParseInstruction(line, workdir)
if err != nil { if err != nil {
LogError("Error parsing line: %s'%s'%s, error: %v", LogError("Error parsing line '%s': %v", line, err)
SourceColor, line, DefaultColor, err)
continue continue
} }
output <- &instruction output <- &instruction