234 lines
7.7 KiB
Go
234 lines
7.7 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"os"
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"sort"
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"sync"
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"time"
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"modify/processor"
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"modify/utils"
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"github.com/go-git/go-git/v5"
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"modify/logger"
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)
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type GlobalStats struct {
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TotalMatches int
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TotalModifications int
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ProcessedFiles int
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FailedFiles int
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ModificationsPerCommand map[string]int
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}
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var (
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repo *git.Repository
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worktree *git.Worktree
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stats GlobalStats = GlobalStats{
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ModificationsPerCommand: make(map[string]int),
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}
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)
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func main() {
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flag.Usage = func() {
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fmt.Fprintf(os.Stderr, "Usage: %s [options] <pattern> <lua_expression> <...files_or_globs>\n", os.Args[0])
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fmt.Fprintf(os.Stderr, "\nOptions:\n")
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fmt.Fprintf(os.Stderr, " -git\n")
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fmt.Fprintf(os.Stderr, " Use git to manage files\n")
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fmt.Fprintf(os.Stderr, " -reset\n")
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fmt.Fprintf(os.Stderr, " Reset files to their original state\n")
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fmt.Fprintf(os.Stderr, " -loglevel string\n")
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fmt.Fprintf(os.Stderr, " Set logging level: ERROR, WARNING, INFO, DEBUG, TRACE (default \"INFO\")\n")
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fmt.Fprintf(os.Stderr, "\nExamples:\n")
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fmt.Fprintf(os.Stderr, " Regex mode (default):\n")
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fmt.Fprintf(os.Stderr, " %s \"<value>(\\d+)</value>\" \"*1.5\" data.xml\n", os.Args[0])
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fmt.Fprintf(os.Stderr, "\nNote: v1, v2, etc. are used to refer to capture groups as numbers.\n")
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fmt.Fprintf(os.Stderr, " s1, s2, etc. are used to refer to capture groups as strings.\n")
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fmt.Fprintf(os.Stderr, " Helper functions: num(str) converts string to number, str(num) converts number to string\n")
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fmt.Fprintf(os.Stderr, " is_number(str) checks if a string is numeric\n")
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fmt.Fprintf(os.Stderr, " If expression starts with an operator like *, /, +, -, =, etc., v1 is automatically prepended\n")
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fmt.Fprintf(os.Stderr, " You can use any valid Lua code, including if statements, loops, etc.\n")
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fmt.Fprintf(os.Stderr, " Glob patterns are supported for file selection (*.xml, data/**.xml, etc.)\n")
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}
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flag.Parse()
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args := flag.Args()
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level := logger.ParseLevel(*utils.LogLevel)
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logger.Init(level)
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logger.Info("Initializing with log level: %s", level.String())
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// The plan is:
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// Load all commands
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commands, err := utils.LoadCommands(args)
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if err != nil {
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logger.Error("Failed to load commands: %v", err)
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flag.Usage()
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return
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}
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// Then aggregate all the globs and deduplicate them
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globs := utils.AggregateGlobs(commands)
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logger.Debug("Aggregated %d globs before deduplication", utils.CountGlobsBeforeDedup(commands))
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// Resolve all the files for all the globs
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logger.Info("Found %d unique file patterns", len(globs))
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files, err := utils.ExpandGLobs(globs)
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if err != nil {
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logger.Error("Failed to expand file patterns: %v", err)
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return
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}
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logger.Info("Found %d files to process", len(files))
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// Somehow connect files to commands via globs..
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// For each file check every glob of every command
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// Maybe memoize this part
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// That way we know what commands affect what files
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associations, err := utils.AssociateFilesWithCommands(files, commands)
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if err != nil {
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logger.Error("Failed to associate files with commands: %v", err)
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return
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}
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// TODO: Utilize parallel workers for this
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// Then for each file run all commands associated with the file
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workers := make(chan struct{}, *utils.ParallelFiles)
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wg := sync.WaitGroup{}
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// Add performance tracking
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startTime := time.Now()
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var fileMutex sync.Mutex
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for file, commands := range associations {
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workers <- struct{}{}
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wg.Add(1)
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logger.SafeGoWithArgs(func(args ...interface{}) {
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defer func() { <-workers }()
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defer wg.Done()
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// Track per-file processing time
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fileStartTime := time.Now()
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fileData, err := os.ReadFile(file)
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if err != nil {
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logger.Error("Failed to read file %q: %v", file, err)
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return
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}
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logger.Trace("Loaded %d bytes of data for file %q", len(fileData), file)
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fileDataStr := string(fileData)
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// Aggregate all the modifications and execute them
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modifications := []utils.ReplaceCommand{}
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for _, command := range commands {
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logger.Info("Processing file %q with command %q", file, command.Regex)
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commands, err := processor.ProcessRegex(fileDataStr, command)
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if err != nil {
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logger.Error("Failed to process file %q with command %q: %v", file, command.Regex, err)
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return
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}
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modifications = append(modifications, commands...)
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// It is not guranteed that all the commands will be executed...
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// TODO: Make this better
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// We'd have to pass the map to executemodifications or something...
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stats.ModificationsPerCommand[command.Name] += len(commands)
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}
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if len(modifications) == 0 {
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logger.Info("No modifications found for file %q", file)
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return
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}
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// Sort commands in reverse order for safe replacements
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fileDataStr, count := utils.ExecuteModifications(modifications, fileDataStr)
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fileMutex.Lock()
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stats.ProcessedFiles++
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stats.TotalModifications += count
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fileMutex.Unlock()
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logger.Info("Executed %d modifications for file %q", count, file)
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err = os.WriteFile(file, []byte(fileDataStr), 0644)
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if err != nil {
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logger.Error("Failed to write file %q: %v", file, err)
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return
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}
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logger.Debug("File %q processed in %v", file, time.Since(fileStartTime))
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}, file, commands)
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}
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wg.Wait()
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processingTime := time.Since(startTime)
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logger.Info("Processing completed in %v", processingTime)
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if stats.ProcessedFiles > 0 {
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logger.Info("Average time per file: %v", processingTime/time.Duration(stats.ProcessedFiles))
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}
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// TODO: Also give each command its own logger, maybe prefix it with something... Maybe give commands a name?
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// Do that with logger.WithField("loglevel", level.String())
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// Since each command also has its own log level
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// TODO: Maybe even figure out how to run individual commands...?
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// TODO: What to do with git? Figure it out ....
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// if *gitFlag {
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// logger.Info("Git integration enabled, setting up git repository")
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// err := setupGit()
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// if err != nil {
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// logger.Error("Failed to setup git: %v", err)
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// fmt.Fprintf(os.Stderr, "Error setting up git: %v\n", err)
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// return
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// }
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// }
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// logger.Debug("Expanding file patterns")
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// files, err := expandFilePatterns(filePatterns)
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// if err != nil {
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// logger.Error("Failed to expand file patterns: %v", err)
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// fmt.Fprintf(os.Stderr, "Error expanding file patterns: %v\n", err)
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// return
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// }
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// if *gitFlag {
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// logger.Info("Cleaning up git files before processing")
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// err := cleanupGitFiles(files)
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// if err != nil {
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// logger.Error("Failed to cleanup git files: %v", err)
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// fmt.Fprintf(os.Stderr, "Error cleaning up git files: %v\n", err)
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// return
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// }
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// }
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// if *resetFlag {
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// logger.Info("Files reset to their original state, nothing more to do")
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// log.Printf("Files reset to their original state, nothing more to do")
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// return
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// }
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// Print summary
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if stats.TotalModifications == 0 {
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logger.Warning("No modifications were made in any files")
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fmt.Fprintf(os.Stderr, "No modifications were made in any files\n")
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} else {
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logger.Info("Operation complete! Modified %d values in %d/%d files",
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stats.TotalModifications, stats.ProcessedFiles, stats.ProcessedFiles+stats.FailedFiles)
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fmt.Printf("Operation complete! Modified %d values in %d/%d files\n",
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stats.TotalModifications, stats.ProcessedFiles, stats.ProcessedFiles+stats.FailedFiles)
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sortedCommands := make([]string, 0, len(stats.ModificationsPerCommand))
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for command := range stats.ModificationsPerCommand {
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sortedCommands = append(sortedCommands, command)
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}
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sort.Strings(sortedCommands)
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for _, command := range sortedCommands {
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count := stats.ModificationsPerCommand[command]
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if count > 0 {
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logger.Info("\tCommand %q made %d modifications", command, count)
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} else {
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logger.Warning("\tCommand %q made no modifications", command)
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}
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}
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}
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}
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