Refactor more stuff around

main.go

@@ -92,37 +92,15 @@ func main() {
 
 	// The plan is:
 	// Load all commands
-	commands := []ModifyCommand{}
-	logger.Info("Loading commands from cook files: %s", *cookfile)
-	newcommands, err := LoadCommandsFromCookFiles(*cookfile)
+	commands, err := LoadCommands(args)
 	if err != nil {
-		logger.Error("Failed to load commands from cook files: %v", err)
+		logger.Error("Failed to load commands: %v", err)
 		flag.Usage()
 		return
 	}
-	logger.Info("Successfully loaded %d commands from cook files", len(newcommands))
-	commands = append(commands, newcommands...)
-	logger.Info("Now total commands: %d", len(commands))
-
-	logger.Info("Loading commands from arguments: %v", args)
-	newcommands, err = LoadCommandFromArgs(args)
-	if err != nil {
-		logger.Error("Failed to load commands from args: %v", err)
-		flag.Usage()
-		return
-	}
-	logger.Info("Successfully loaded %d commands from args", len(newcommands))
-	commands = append(commands, newcommands...)
-	logger.Info("Now total commands: %d", len(commands))
 
 	// Then aggregate all the globs and deduplicate them
-	logger.Info("Aggregating file patterns for %d commands", len(commands))
-	globs := make(map[string]struct{})
-	for _, command := range commands {
-		for _, glob := range command.Files {
-			globs[glob] = struct{}{}
-		}
-	}
+	globs := AggregateGlobs(commands)
 
 	// Resolve all the files for all the globs
 	logger.Info("Found %d unique file patterns", len(globs))
@@ -134,27 +112,14 @@ func main() {
 	}
 	logger.Info("Found %d files to process", len(files))
 
-	associationCount := 0
-	fileCommands := make(map[string][]ModifyCommand)
-	for _, file := range files {
-		for _, command := range commands {
-			for _, glob := range command.Files {
-				// TODO: Maybe memoize this function call
-				matches, err := doublestar.Match(glob, file)
-				if err != nil {
-					logger.Error("Failed to match glob %s with file %s: %v", glob, file, err)
-					continue
-				}
-				if matches {
-					logger.Debug("Found match for file %q and command %q", file, command.Pattern)
-					fileCommands[file] = append(fileCommands[file], command)
-					associationCount++
-				}
-			}
-		}
-		logger.Debug("Found %d commands for file %q", len(fileCommands[file]), file)
+	associations, err := AssociateFilesWithCommands(files, commands)
+	if err != nil {
+		logger.Error("Failed to associate files with commands: %v", err)
+		flag.Usage()
+		return
 	}
-	logger.Info("Found %d associations between %d files and %d commands", associationCount, len(files), len(commands))
+
+	log.Printf("%#v", associations)
 	// Somehow connect files to commands via globs..
 	// Maybe do....
 	// For each file check every glob of every command
@@ -260,6 +225,70 @@ func main() {
 	}
 }
 
+func AssociateFilesWithCommands(files []string, commands []ModifyCommand) (map[string][]ModifyCommand, error) {
+	associationCount := 0
+	fileCommands := make(map[string][]ModifyCommand)
+	for _, file := range files {
+		for _, command := range commands {
+			for _, glob := range command.Files {
+				// TODO: Maybe memoize this function call
+				matches, err := doublestar.Match(glob, file)
+				if err != nil {
+					logger.Trace("Failed to match glob %s with file %s: %v", glob, file, err)
+					continue
+				}
+				if matches {
+					logger.Debug("Found match for file %q and command %q", file, command.Pattern)
+					fileCommands[file] = append(fileCommands[file], command)
+					associationCount++
+				}
+			}
+		}
+		logger.Debug("Found %d commands for file %q", len(fileCommands[file]), file)
+		if len(fileCommands[file]) == 0 {
+			logger.Info("No commands found for file %q", file)
+		}
+	}
+	logger.Info("Found %d associations between %d files and %d commands", associationCount, len(files), len(commands))
+	return fileCommands, nil
+}
+
+func AggregateGlobs(commands []ModifyCommand) map[string]struct{} {
+	logger.Info("Aggregating globs for %d commands", len(commands))
+	globs := make(map[string]struct{})
+	for _, command := range commands {
+		for _, glob := range command.Files {
+			globs[glob] = struct{}{}
+		}
+	}
+	logger.Info("Found %d unique globs", len(globs))
+	return globs
+}
+
+func LoadCommands(args []string) ([]ModifyCommand, error) {
+	commands := []ModifyCommand{}
+
+	logger.Info("Loading commands from cook files: %s", *cookfile)
+	newcommands, err := LoadCommandsFromCookFiles(*cookfile)
+	if err != nil {
+		return nil, fmt.Errorf("failed to load commands from cook files: %w", err)
+	}
+	logger.Info("Successfully loaded %d commands from cook files", len(newcommands))
+	commands = append(commands, newcommands...)
+	logger.Info("Now total commands: %d", len(commands))
+
+	logger.Info("Loading commands from arguments: %v", args)
+	newcommands, err = LoadCommandFromArgs(args)
+	if err != nil {
+		return nil, fmt.Errorf("failed to load commands from args: %w", err)
+	}
+	logger.Info("Successfully loaded %d commands from args", len(newcommands))
+	commands = append(commands, newcommands...)
+	logger.Info("Now total commands: %d", len(commands))
+
+	return commands, nil
+}
+
 func LoadCommandFromArgs(args []string) ([]ModifyCommand, error) {
 	// Cannot reset without git, right?
 	if *resetFlag {