Move mkcd() into OS-specific config dirs

zsh-linux/.config/zsh-linux/zshrc

@@ -1 +1,16 @@
 # Linux-specific zsh configuration
+# Make a directory, then change into it
+mkcd() {
+    [[ ! -d "${1}" ]] && gmkdir --parents -- "${1}"
+    cd "${1}" || exit
+}
+
+autoload -Uz mkcd
+
+rgenv () {
+    if [[ -n $1 ]]; then
+        env | rg --ignore-case $1
+    else
+        return 0
+    fi
+}

zsh-macos/.config/zsh-macos/zshrc

@@ -1 +1,8 @@
 # macOS-specific zsh configuration
+# Make a directory, then change into it
+mkcd() {
+    [[ ! -d "${1}" ]] && gmkdir --parents -- "${1}"
+    cd "${1}" || exit
+}
+
+autoload -Uz mkcd

zsh/.config/zsh/.zshrc

@@ -52,15 +52,6 @@ cf() {
 
 autoload -Uz cf
 
-# Make a directory, then change into it
-
-mkcd() {
-    [[ ! -d "${1}" ]] && mkdir --parents -- "${1}"
-    cd "${1}" || exit
-}
-
-autoload -Uz mkcd
-
 rgenv () {
     if [[ -n $1 ]]; then
         env | rg --ignore-case $1