Implement recursive sync
This commit is contained in:
121
main.go
121
main.go
@@ -25,6 +25,7 @@ const SourceColor = Magenta
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const TargetColor = Yellow
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const ErrorColor = Red
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const DefaultColor = White
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const PathColor = Green
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var programName = os.Args[0]
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@@ -45,82 +46,66 @@ func main() {
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log.Printf("Recurse: %s", *recurse)
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log.Printf("File: %s", *file)
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// The plan:
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// As input take file or list of files (via -f)
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// For every file: ch work dir to file dir
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// Read file
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// Parse instructions
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// Run instructions
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// If not -f then if -r:
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// Recurse into directories
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// Find all sync files
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// Repeat the above for every file
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// If not -f and not -r and args:
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// Read from args
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// Parse instructions
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// Run instructions
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// If not -f and not -r and no args:
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// Read from stdin
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// Parse instructions
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// Run instructions
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var instructions []LinkInstruction
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if *recurse != "" {
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startingDir, _ := os.Getwd()
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log.Println("Workdir:", startingDir)
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var targetDir = os.Args[1]
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if targetDir == "" {
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targetDir, _ = os.Getwd()
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}
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log.Printf("Recursively finding sync files in workdir %s...", targetDir)
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files, err := GetSyncFilesRecursively(targetDir)
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if err != nil {
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log.Fatalf("Failed to get sync files recursively: %s%+v%s", ErrorColor, err, DefaultColor)
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}
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dirRegex, _ := regexp.Compile("^(.+?)sync$")
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for _, file := range files {
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file = NormalizePath(file)
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fileDir := dirRegex.FindStringSubmatch(file)
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err := os.Chdir(fileDir[1])
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if err != nil {
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log.Fatalf("Failed to change directory to %s%s%s: %s%+v%s", SourceColor, fileDir[1], DefaultColor, ErrorColor, err, DefaultColor)
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}
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}
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instructions, _ = ReadFromFilesRecursively(*recurse)
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} else if *file != "" {
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instructions, _ = ReadFromFile(*file)
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} else if len(os.Args) > 1 {
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instructions, _ = ReadFromArgs()
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} else {
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var instructions []LinkInstruction
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if *file != "" {
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instructions, _ = ReadFromFile(*file)
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} else if len(os.Args) > 1 {
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instructions, _ = ReadFromArgs()
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} else {
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instructions, _ = ReadFromStdin()
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}
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if len(instructions) == 0 {
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log.Printf("No input provided")
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log.Println("Supply input as: ")
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log.Printf("Arguments - %s <source>,<target>,<force?>", programName)
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log.Printf("File - %s -f <file>", programName)
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log.Printf("Folder (finding sync files in folder recursively) - %s -r <folder>", programName)
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log.Printf("stdin - (cat <file> | %s)", programName)
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os.Exit(1)
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}
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for _, instruction := range instructions {
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log.Printf("Processing: %s", InstructionToString(instruction))
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err := RunInstruction(instruction)
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if err != nil {
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log.Printf("Failed parsing instruction %s%s%s due to %s%+v%s", SourceColor, InstructionToString(instruction), DefaultColor, ErrorColor, err, DefaultColor)
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continue
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}
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}
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instructions, _ = ReadFromStdin()
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}
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if len(instructions) == 0 {
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log.Printf("No input provided")
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log.Printf("Provide input as: ")
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log.Printf("Arguments - %s <source>,<target>,<force?>", programName)
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log.Printf("File - %s -f <file>", programName)
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log.Printf("Folder (finding sync files in folder recursively) - %s -r <folder>", programName)
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log.Printf("stdin - (cat <file> | %s)", programName)
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os.Exit(1)
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}
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for _, instruction := range instructions {
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log.Printf("Processing: %s", InstructionToString(instruction))
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err := RunInstruction(instruction)
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if err != nil {
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log.Printf("Failed parsing instruction %s%s%s due to %s%+v%s", SourceColor, InstructionToString(instruction), DefaultColor, ErrorColor, err, DefaultColor)
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continue
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}
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}
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}
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func ReadFromFilesRecursively(input string) ([]LinkInstruction, error) {
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input = NormalizePath(input)
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log.Printf("Reading input from files recursively starting in %s%s%s", PathColor, input, DefaultColor)
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var instructions []LinkInstruction
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files, err := GetSyncFilesRecursively(input)
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if err != nil {
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log.Fatalf("Failed to get sync files recursively: %s%+v%s", ErrorColor, err, DefaultColor)
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}
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dirRegex, _ := regexp.Compile("^(.+?)sync$")
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for _, file := range files {
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file = NormalizePath(file)
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// This "has" to be done because instructions are resolved in relation to cwd
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fileDir := dirRegex.FindStringSubmatch(file)
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err := os.Chdir(fileDir[1])
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if err != nil {
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log.Fatalf("Failed to change directory to %s%s%s: %s%+v%s", SourceColor, fileDir[1], DefaultColor, ErrorColor, err, DefaultColor)
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}
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fileInstructions, _ := ReadFromFile(file)
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instructions = append(instructions, fileInstructions...)
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}
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return instructions, nil
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}
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func ReadFromFile(input string) ([]LinkInstruction, error) {
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log.Printf("Reading input from file: %s", input)
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input = NormalizePath(input)
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log.Printf("Reading input from file: %s%s%s", PathColor, input, DefaultColor)
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var instructions []LinkInstruction
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file, err := os.Open(input)
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if err != nil {
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