zsh: almost all functions are scripts now (part 2)

.config/shell/bin/todo

@@ -0,0 +1,40 @@
+#!/bin/bash
+
+# a simple way to manage your todo list
+# Usage:
+#  todo                    -- pull latest repo version and edit ~/todo
+#  todo [any git command]  -- manage todo for easy syncing, assuming ~/todo is
+#                                a symlink that points to a file in a git repo
+#
+# Suggested use: make a git repo for holding your todo list, then make
+# a symlink called 'todo' that points to your todo list in your home directory
+#
+
+todo_dir="$(dirname "$(realpath ~/todo)")"
+todo_file="$(realpath ~/todo)"
+if [ -z "$@" ];then
+   ( # subshell to protect against directory changes
+   cd "$todo_dir"
+
+      # pull the latest commits
+      git rev-parse &&
+         git pull
+
+      # open the file
+      "$EDITOR" "$todo_file"
+
+      # commit and push the file if it's in a git repo and the file has changed
+      if git rev-parse && ! git diff --exit-code "$todo_file"; then
+         git commit "$todo_file" -m 'todo' &&
+            git push
+      fi
+   )
+
+elif [ "$@" = "cd" ]; then
+   cd "$todo_dir"
+
+else
+   git -C "$todo_dir" $@
+
+      fi
+