Add zsh related dotfiles and update vimrc

vim.py

@@ -0,0 +1,57 @@
+#!/usr/bin/env python
+
+"""
+This file will call `ctags` and then `vim` if called without arguments.
+It will call `vim` immediately if called with arguments.
+
+Recommend renaming as just `vim` and placing in your path for convenience.
+
+Yes I know it would be very easy to implement this as a bash script, but
+this python implementation works too, so whatever.
+"""
+
+import os
+import subprocess
+import sys
+
+TAGS_FILE_PATH = os.path.abspath(os.path.join(".", "tags"))
+CTAGS_PATH = "/usr/bin/ctags"
+DOT_CTAGS_PATH = "$HOME/.ctags"
+VIM_PATH = "/usr/bin/vim"
+
+# call vim directly if we're opening a specific file
+if len(sys.argv) >= 2:
+    vim_args = [VIM_PATH] + sys.argv[1:]
+    os.execv(VIM_PATH, vim_args)
+
+# call ctags
+try:
+    if os.path.exists(TAGS_FILE_PATH):
+        os.rename(TAGS_FILE_PATH, TAGS_FILE_PATH + ".bak")
+    if os.path.exists(DOT_CTAGS_PATH):
+        with open(DOT_CTAGS_PATH, "r") as f:
+            ctags_text = f.read()
+    else:
+        print("Warning: .ctags not found!", file=sys.stderr)
+        ctags_text = ""
+    ctags_cmd = [CTAGS_PATH]
+    for line in ctags_text.split("\n"):
+        line = line.strip()
+        if not line:
+            continue
+        ctags_cmd.append(line)
+    proc = subprocess.Popen(
+        ctags_cmd,
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+    )
+    stdout, stderr = proc.communicate()
+    if stderr:
+        print(stderr, file=sys.stderr)
+        sys.exit(1)
+except PermissionError:
+    pass
+
+# call vim- if we get here `sys.argv[1:]` is an empty list
+vim_args = [VIM_PATH] + sys.argv[1:]
+os.execv(VIM_PATH, vim_args)