sync.py can execute now, change hyfetch save loc

.vscode/settings.json

@@ -0,0 +1,7 @@
+{
+	"cSpell.words": [
+		"hyfetch",
+		"neofetch",
+		"TERMUX"
+	]
+}

sync.linux.json

@@ -0,0 +1,24 @@
+{
+  "backups": [
+    {
+      "path": "zsh/linux.custom_rc.zsh",
+      "source": "~/.custom_rc"
+    },
+    {
+      "path": "lsd",
+      "source": "~/.config/lsd"
+    },
+    {
+      "path": "bat",
+      "source": "~/.config/bat"
+    },
+    {
+      "path": "neofetch",
+      "source": "~/.config/neofetch"
+    },
+    {
+      "path": "hyfetch/hyfetch.json",
+      "source": "~/.config/hyfetch.json"
+    }
+  ]
+}

sync.py

@@ -1,48 +1,39 @@
-from genericpath import exists
+from turtle import back
-from typing import Iterable
+from typing import Callable, Iterable, TypeVar
 from enum import Enum
 from math import nan
 import os
 from os import path
-from pathlib import Path
+import sys
+import shutil
 
-#=== Init ===#
+#=== Global Parameters ===#
-
+dry_run: bool = False
-backup_root: str = path.dirname(__file__)
-user_home: str = path.expanduser("~")
-
-if user_home == "~":
-    print("WARN: Cannot read the user home dir, do you run it in the correct script?")
-    exit()
-else:
-    print("dot-config: current user home: " + user_home)
-
-class SysType (Enum):
-    LINUX = "linux"
-    TERMUX = "termux"
-    WINDOWS = "windows"
-if ("termux" in backup_root):
-    sys_type: SysType = SysType.TERMUX
-elif (backup_root[0] == "/"):
-    sys_type: SysType = SysType.LINUX
-else:
-    sys_type: SysType = SysType.WINDOWS
-print(f"dot config: your dot-config path is {backup_root}")
-print(f"dot config: your system type is {sys_type}")
-print(f"Is all the informations correct? [y/n] ", end="")
-while True:
-    _in = input()
-    match _in:
-        case "y":
-            print("continuing...")
-            break;
-        case "n":
-            print("Exiting")
-            exit()
-        case _:
-            print("please confirm with [y/n] ", end="")
 
 #=== Utils ===#
+import re
+import hashlib
+
+T_WaitForInput_Res = TypeVar('T_WaitForInput_Res')
+def wait_for_input (cb: Callable[[str], T_WaitForInput_Res|None]) -> T_WaitForInput_Res:
+    while True:
+        _in = input()
+        _out = cb(_in)
+        if _out != None:
+            return _out
+
+def replace_env_variables(input_string):
+    """
+    Replaces environment variables in the input string with their current values.
+    """
+    def replace_env(match):
+        env_var = match.group(1)
+        return os.environ.get(env_var, f"${{{env_var}}}")
+
+    # Use regular expression to find environment variable placeholders
+    pattern = r"%(\w+)%"
+    replaced_string = re.sub(pattern, replace_env, input_string)
+    return replaced_string
 
 def sorted_paths (paths: Iterable[str]) -> list[str]:
     fin = sorted(paths)
@@ -51,22 +42,46 @@ def sorted_paths (paths: Iterable[str]) -> list[str]:
 def de_abs_path (path: str) -> str:
     return path.strip('/').strip('\\')
 
+def get_file_hash(file_path: str) -> str:
+    with open(file_path, 'rb') as f:
+        bytes = f.read()  # read entire file as bytes
+        readable_hash = hashlib.md5(bytes).hexdigest()
+        return readable_hash
+
+def ensure_file_dir (file_path: str) -> None:
+    dir: str = path.dirname(file_path)
+    if dir != '' and not path.exists(dir):
+        if not dry_run:
+            os.makedirs(dir)
+        print(f":created parent dir {dir}")
+
+def copyfile (src: str, dest: str) -> None:
+    ensure_file_dir(dest)
+    if not dry_run:
+        shutil.copy2(src, dest)
+    print(f":copied {src} -> {dest}")
+    print(f":updated {dest}")
+
+def delfile (file_path: str) -> None:
+    if not dry_run:
+        os.remove(file_path)
+    print(f":deleted {file_path}")
+
 #=== Backup Item ===#
 
 class BackupItem:
     def __init__ (self, backup_dir: str, origin_dir: str) -> None:
         self.name: str = backup_dir
         self.backup_dir: str = path.join(backup_root, backup_dir)
-        self.origin_dir: str = path.abspath(path.expanduser(origin_dir))
+        self.origin_dir: str = path.abspath(replace_env_variables(path.expanduser(origin_dir)))
-
-table: list[BackupItem] = [
-    BackupItem("PowerShell", "~/Documents/PowerShell"),
-    BackupItem("lsd", "~/.config/lsd")
-]
 
 def execute_sync (backupItem: BackupItem) -> None:
     print(f">>> executing backup for {backupItem.name}")
     all_files_tmp: list[str] = []
+    ### for file mode
+    if (path.isfile(backupItem.origin_dir)) or (path.isfile(backupItem.backup_dir)):
+        compare_file(backupItem, None)
+    ### for dir mode
     def walk_dir (walking_dir: str):
         for root, dirs, files in os.walk(walking_dir):
             common_root: str = path.commonpath([root, walking_dir])
@@ -82,50 +97,192 @@ def execute_sync (backupItem: BackupItem) -> None:
     walk_dir(backupItem.origin_dir)
     walk_dir(backupItem.backup_dir)
     all_files: list[str] = sorted_paths(set(all_files_tmp))
+    exec_gallery: list[Callable] = []
     for file in all_files:
-        compare_file(backupItem, file)
+        exec_gallery.append(compare_file(backupItem, file))
-    # print("\n".join(all_files))
+    while True:
+        print("! sync those files now? [y/n] ", end="")
+        _in = input()
+        if _in == 'y':
+            for i in exec_gallery:
+                i()
+            return
+        elif _in == 'n':
+            return
+        else:
+            print("! sync those files now? [y/n] ", end="")
 
-def compare_file (rootBackItem: BackupItem, relative_file_path: str) -> None:
+def compare_file (rootBackItem: BackupItem, relative_file_path: str|None) -> Callable:
-    class IsNewerStatus (Enum):
+    class NewerStatus (Enum):
-        OLDER = -1
+        RIGHT_MISSING = -2
-        NEWER = 1
+        RIGHT_OLDER = -1
+        LEFT_OLDER = 1
+        LEFT_MISSING = 2
         DIFFERENT = nan
+        ALL_MISSING = -999
         SAME = 0
     class FileStatus:
-        def __init__(self, realpath: str) -> None:
+        def __init__ (self, realpath: str) -> None:
             self.path = realpath
             self.exists = path.exists(realpath)
             if self.exists:
                 self.size = path.getsize(realpath)
                 self.edited_time = path.getmtime(realpath)
-        def isNewerThan (self, other):
+        def hash_of_file (self) -> str:
-            # type: (FileStatus) -> IsNewerStatus
             if not self.exists:
-                return IsNewerStatus.OLDER
+                return ""
-            if not other.exists:
+            return get_file_hash(self.path)
-                return IsNewerStatus.NEWER
+    def FileSameCheck (left: FileStatus, right: FileStatus) -> NewerStatus:
-            if self.edited_time > other.edited_time:
+        def check_hash_same_or (status: NewerStatus) -> NewerStatus: # TODO: add to compare
-                return IsNewerStatus.NEWER
+            if left.hash_of_file() == right.hash_of_file():
-            elif self.edited_time < other.edited_time:
+                return NewerStatus.SAME
-                return IsNewerStatus.OLDER
+            return status
-            if self.size != other.size:
+        if not left.exists:
-                return IsNewerStatus.DIFFERENT
+            if not right.exists:
-            return IsNewerStatus.SAME
+                return NewerStatus.ALL_MISSING
+            return NewerStatus.LEFT_MISSING
+        if not right.exists:
+            if not left.exists:
+                return NewerStatus.ALL_MISSING
+            return NewerStatus.RIGHT_MISSING
+        if left.edited_time > right.edited_time:
+            return NewerStatus.LEFT_OLDER
+        elif left.edited_time < right.edited_time:
+            return NewerStatus.RIGHT_OLDER
+        if left.size != right.size:
+            return NewerStatus.DIFFERENT
+        return NewerStatus.SAME
+    if relative_file_path == None:
+        backup_item: FileStatus = FileStatus(rootBackItem.backup_dir)
+        origin_item: FileStatus = FileStatus(rootBackItem.origin_dir)
+        file_id: str = rootBackItem.name
+    else:
         backup_item: FileStatus = FileStatus(path.join(rootBackItem.backup_dir, relative_file_path))
         origin_item: FileStatus = FileStatus(path.join(rootBackItem.origin_dir, relative_file_path))
-    match origin_item.isNewerThan(backup_item):
+        file_id: str = relative_file_path
-        case IsNewerStatus.SAME:
+    # print(f"((backup_item: {backup_item.path}))")
-            print(f"{relative_file_path} : is same")
+    # print(f"((origin_item: {origin_item.path}))")
-        case IsNewerStatus.OLDER:
+    def wait_for_if_remove (onSync = Callable, onRemove = Callable) -> Callable[[str], Callable|None]:
-            print(f"{relative_file_path} : backup file is newer")
+        def implementation (_in: str) -> Callable|None:
-        case IsNewerStatus.NEWER:
-            print(f"{relative_file_path} : original file is newer")
-        case IsNewerStatus.DIFFERENT:
-            print(f"{relative_file_path} : WARN : backup is different but cannot determine which is newer")
             
+            while True:
+                _in = input()
+                match _in:
+                    case "s":
+                        return onSync
+                    case "r":
+                        return onRemove
+                    case "i":
+                        return lambda: None
+                    case _:
+                        print("sync or remove? [s=sync/r=remove/i=ignore] ", end="")
+                        return None
+        return implementation
+    match FileSameCheck(origin_item, backup_item):
+        case NewerStatus.SAME:
+            # print(f"{file_id} : is same")
+            pass
+        case NewerStatus.RIGHT_OLDER:
+            print(f"{file_id} : local file is newer")
+            return lambda: copyfile(origin_item.path, backup_item.path)
+        case NewerStatus.LEFT_OLDER:
+            print(f"{file_id} : backup file is newer")
+            return lambda: copyfile(backup_item.path, origin_item.path)
+        case NewerStatus.RIGHT_MISSING:
+            print(f"{file_id} : backup file is missing, sync or remove? [s=sync/r=remove/i=ignore] ", end="")
+            return wait_for_input(wait_for_if_remove(
+                onSync = lambda: copyfile(origin_item.path, backup_item.path),
+                onRemove = lambda: delfile(origin_item.path)
+            ))
+        case NewerStatus.LEFT_MISSING:
+            print(f"{file_id} : local file is missing, sync or remove? [s=sync/r=remove/i=ignore] ", end="")
+            exec = wait_for_input(wait_for_if_remove(
+                onSync = lambda: copyfile(backup_item.path, origin_item.path),
+                onRemove = lambda: delfile(backup_item.path)
+            ))
+            return exec
+        case NewerStatus.DIFFERENT:
+            print(f"{file_id} : backup is different with local, which to keep? [b=backup/l=local/i=ignore] ", end="")
+            return wait_for_input(lambda _in: (
+                (lambda: copyfile(backup_item.path, origin_item.path)) if _in == 'l' else
+                (lambda: copyfile(origin_item.path, backup_item.path)) if _in == 'b' else
+                (lambda: None) if _in == 'i' else
+                None
+            ))
+        case NewerStatus.ALL_MISSING:
+            print(f"{file_id} : both files are missing, will skipped")
+    return lambda: None
+
+#=== Init ===#
+
+for i in sys.argv:
+    if i == "--help" or i == '-h':
+        print("Usage: sync.py")
+        print("   -n --dry-run : enable dry-run mode")
+        print("   -v --version : show version")
+        print("   -h --help    : show this help")
+        exit()
+    if i == "--version" or i == '-v':
+        print("dot-config sync.py v1.annie.0-alpha1")
+        exit()
+    if i == '--dry-run' or i == '-n':
+        dry_run = True
+        print("dot-config: global dry-run mode enabled!")
+
+backup_root: str = path.dirname(__file__)
+user_home: str = path.expanduser("~")
+
+if user_home == "~":
+    print("FATAL: Cannot read the user home dir, do you run it in the correct script?")
+    exit()
+else:
+    print("dot-config: current user home: " + user_home)
+
+class SysType (Enum):
+    LINUX = 'linux'
+    TERMUX = 'termux'
+    WINDOWS = 'windows'
+if ("termux" in backup_root):
+    sys_type: SysType = SysType.TERMUX
+elif (backup_root[0] == "/"):
+    sys_type: SysType = SysType.LINUX
+else:
+    sys_type: SysType = SysType.WINDOWS
+print(f"dot-config: your dot-config path is {backup_root}")
+print(f"dot-config: your system type is {sys_type}")
+print(f"Is all the information correct? [y/n] ", end="")
+while True:
+    _in = input()
+    match _in:
+        case "y":
+            print("continuing...")
+            break;
+        case "n":
+            print("Exiting")
+            exit()
+        case _:
+            print("please confirm with [y/n] ", end="")
 
 #=== main ===#
+import json
 
+table: list[BackupItem] = []
+config_file = path.join(backup_root, f"sync.{sys_type.value}.json")
+if not path.isfile(config_file):
+    print(f"dot-config : FATAL : cannot find config file for current system in {config_file}")
+    exit()
+with open(config_file, 'r') as config_file_raw:
+    config = json.load(config_file_raw)
+    for i in config['backups']:
+        here: str = i['path']
+        there: str = i['source']
+        print(f"-- loaded [{here}] <-> [{there}]")
+        table.append(BackupItem(here, there))
+
+print()
 for i in table:
+    # print(f"((BackupItem i : {i.name}))")
+    # print(f"((i.backup_dir : {i.backup_dir}))")
+    # print(f"((i.origin_dir : {i.origin_dir}))")
     execute_sync(i)
+    print()

sync.termux.json

@@ -0,0 +1,24 @@
+{
+  "backups": [
+    {
+      "path": "zsh/termux.zshrc.zsh",
+      "source": "~/.zshrc"
+    },
+    {
+      "path": "lsd",
+      "source": "~/.config/lsd"
+    },
+    {
+      "path": "bat",
+      "source": "~/.config/bat"
+    },
+    {
+      "path": "neofetch",
+      "source": "~/.config/neofetch"
+    },
+    {
+      "path": "hyfetch/hyfetch.json",
+      "source": "~/.config/hyfetch.json"
+    }
+  ]
+}

sync.windows.json

@@ -0,0 +1,28 @@
+{
+    "backups": [
+        {
+            "path": "PowerShell",
+            "source": "~/Documents/PowerShell"
+        },
+        {
+            "path": "oh-my-posh",
+            "source": "~/.config/oh-my-posh"
+        },
+        {
+            "path": "lsd",
+            "source": "%AppData%/lsd"
+        },
+        {
+            "path": "bat",
+            "source": "%AppData%/bat"
+        },
+        {
+            "path": "neofetch",
+            "source": "~/.config/neofetch"
+        },
+        {
+            "path": "hyfetch/hyfetch.json",
+            "source": "~/.config/hyfetch.json"
+        }
+    ]
+}