feat: add useful Bash functions

files/etc/profile.d/bash_functions.sh

+function mcd () {
+	mkdir -p "$1";
+	[[ $? -eq 0 ]] && cd "$1";
+}
+
+function backup() { cp "$1"{,.BAK}; }

tasks/configure_bash.yml

@@ -49,6 +49,7 @@
   loop:
     - "etc/bash.promptrc"
     - "etc/profile.d/bash_aliases.sh"
+    - "etc/profile.d/bash_functions.sh"
 
 - name: configure systemwide bashrc (Bash completion, import custom prompt)
   blockinfile: