meta: add install/uninstall system

meta/uninstall.py

@@ -0,0 +1,39 @@
+import sys
+import os
+import json
+import pathlib
+
+dotfile_dir = sys.argv[1]
+home_dir = str(pathlib.Path.home())
+
+def uninstall_component(comp):
+    print('Uninstalling component: {}...'.format(comp['name']))
+    comp_dir = os.path.join(dotfile_dir, comp['name'])
+
+    if 'link-files' in comp:
+        link_files = comp['link-files']
+        for f in link_files:
+            source_path = os.path.join(comp_dir, f['source'])
+            dest_path = os.path.join(home_dir, f['dest'])
+            if os.path.exists(dest_path):
+                print('  removing link {}'.format(dest_path))
+                os.unlink(dest_path)
+
+    if 'link-dirs' in comp:
+        link_dirs = comp['link-dirs']
+        for f in link_dirs:
+            source_path = os.path.join(comp_dir, f['source'])
+            dest_path = os.path.join(home_dir, f['dest'])
+            if not os.path.exists(dest_path):
+                print('  removing link {} -> {}'.format(dest_path))
+                os.unlink(dest_path)
+
+
+components_path = os.path.join(dotfile_dir, 'meta', 'components.json')
+components = None
+
+with open(components_path, 'r') as f:
+    components = json.load(f)
+
+for comp in components:
+    uninstall_component(comp)