Backup old dotman.py script

dotman.py

@@ -0,0 +1,117 @@
+#!/usr/bin/env python3
+
+import argparse
+import difflib
+import filecmp
+import os
+import shutil
+
+SOURCE_DIR = "./home/"
+TARGET_DIR = os.environ["HOME"]
+
+
+def list_files(path: str = ".") -> list[str]:
+    paths = []
+    for root, dirs, files in os.walk(path):
+        for file in files:
+            paths.append(os.path.join(root, file))
+    return paths
+
+
+def map_colored(string: str) -> str:
+    if string.startswith("-"):
+        return f"\033[38;2;255;0;0m{string}\033[0m"  # Red
+    elif string.startswith("+"):
+        return f"\033[38;2;0;255;0m{string}\033[0m"  # Green
+    else:
+        return string
+
+
+def print_diff(from_file: str, to_file: str) -> None:
+    with open(from_file, "r") as f1, open(to_file, "r") as f2:
+        diff = list(difflib.unified_diff(
+            f1.readlines(),
+            f2.readlines(),
+            fromfile=from_file,
+            tofile=to_file))
+        colored_diff = list(map(map_colored, diff))
+
+        for line in diff[:2]:
+            print(line, end="")
+
+        for line in colored_diff[2:]:
+            print(line, end="")
+
+
+def copy_with_dirs(source: str, target: str) -> None:
+    os.makedirs(os.path.dirname(target), exist_ok=True)
+    shutil.copy(source, target)
+
+
+def deploy(source_dir: str, target_dir: str) -> None:
+    source_files = list_files(source_dir)
+    target_files = list(map(lambda f: os.path.join(
+        target_dir, f[len(source_dir):]), source_files.copy()))
+
+    deploy_map = {}
+    for i, source_file in enumerate(source_files):
+        deploy_map[source_file] = target_files[i]
+
+    for source, target in deploy_map.items():
+        if os.path.isfile(target):
+            if not filecmp.cmp(source, target):  # TODO: Consider shallow=False
+                answer = input(target + " conflicts. Overwrite? [y/N] ")
+                if answer.lower().startswith("y"):
+                    copy_with_dirs(source, target)
+        else:
+            copy_with_dirs(source, target)
+
+
+def pull(source_dir: str, target_dir: str) -> None:
+    target_files = list_files(target_dir)
+    source_files = list(map(lambda f: os.path.join(
+        source_dir, f[len(target_dir):]), target_files.copy()))
+
+    pull_map = {}
+    for i, source_file in enumerate(source_files):
+        pull_map[source_file] = target_files[i]
+
+    for source, target in pull_map.items():
+        try:
+            shutil.copy(source, target)
+        except FileNotFoundError:
+            pass
+
+
+def diff(source_dir: str, target_dir: str) -> None:
+    target_files = list_files(target_dir)
+    source_files = list(map(lambda f: os.path.join(
+        source_dir, f[len(target_dir):]), target_files.copy()))
+
+    file_map = {}
+    for i, file in enumerate(source_files):
+        file_map[file] = target_files[i]
+
+    for source, target in file_map.items():
+        print_diff(source, target)
+
+
+def main():
+    parser = argparse.ArgumentParser(
+        prog="dotman",
+        description="Dotfiles manager")
+    parser.add_argument("command", choices=["deploy", "pull", "diff"],
+                        help="deploy or pull dotfiles")
+
+    args = parser.parse_args()
+
+    if args.command == "deploy":
+        deploy(SOURCE_DIR, TARGET_DIR)
+    elif args.command == "pull":
+        pull(TARGET_DIR, SOURCE_DIR)
+    elif args.command == "diff":
+        diff(TARGET_DIR, SOURCE_DIR)
+
+
+if __name__ == "__main__":
+    main()