adding script to mass update link tag of dotfiles

scripts/change-link.py

@@ -0,0 +1,58 @@
+#!/usr/bin/env python3
+"""
+author: deadc0de6 (https://github.com/deadc0de6)
+Copyright (c) 2018, deadc0de6
+
+change the `link` key in all dotfiles
+to a specific value
+
+usage example:
+    ./change-link.py --true ../config.yaml --ignore f_vimrc --ignore f_xinitrc
+"""
+
+from docopt import docopt
+import sys
+import os
+import yaml
+
+USAGE = """
+change-link.py
+
+Usage:
+  change-link.py (--true | --false) [--ignore=<dotfile-name>...] <config.yaml>
+  change-link.py --help
+
+Options:
+  -h --help               Show this screen.
+
+"""
+
+key = 'dotfiles'
+entry = 'link'
+
+
+def main():
+    args = docopt(USAGE)
+    path = os.path.expanduser(args['<config.yaml>'])
+    if args['--true']:
+        value = True
+    if args['--false']:
+        value = False
+
+    ignores = args['--ignore']
+
+    with open(path, 'r') as f:
+        content = yaml.load(f)
+    for k, v in content[key].items():
+        if k in ignores:
+            continue
+        v[entry] = value
+
+    ret = yaml.dump(content, default_flow_style=False, indent=2)
+    print(ret)
+
+
+if __name__ == '__main__':
+    if main():
+        sys.exit(0)
+    sys.exit(1)