From 76920ea53e9a87b34f9c5c27ae911daeabb6080b Mon Sep 17 00:00:00 2001
From: druckdev <63563978+druckdev@users.noreply.github.com>
Date: Thu, 5 Nov 2020 14:42:33 +0100
Subject: [PATCH] zsh: Add cd wrapper for calls without arguments

Add a cd wrapper that when called without arguments, moves into the root
of the current repository instead of HOME. (Except when already there)
---
 .config/zsh/plugins/functions.zsh | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/.config/zsh/plugins/functions.zsh b/.config/zsh/plugins/functions.zsh
index 7d80c7a..be1b9d3 100644
--- a/.config/zsh/plugins/functions.zsh
+++ b/.config/zsh/plugins/functions.zsh
@@ -323,3 +323,20 @@ mvln() {
 		ln -s "${2:A}" "$1"
 	fi
 }
+
+## cd wrapper that when called without arguments, moves into the root of the
+## current repo instead of HOME. (Except when already there)
+cd() {
+	if [[ $# -gt 0 ]]; then
+		builtin cd "$@"
+		return
+	fi
+
+	local toplevel
+	toplevel="$(git rev-parse --show-toplevel 2>/dev/null)"
+	if (( $? )) || [[ $PWD = $toplevel ]]; then
+		builtin cd
+	else
+		builtin cd "$toplevel"
+	fi
+}