Adds options for update check

If the env variable UPDATE_CHECK is set to "daily", "weekly" or
"monthly", there will be a message if you're late on your update.

If the env variable UPDATE_CHECK_ALWAYS is set to "true", you will get a
message telling you that your system is up to date.

.gitignore

@@ -1,3 +1,3 @@
 zsh/extraconfig.zsh
-
+zsh/env.zsh
 .data

zsh/update.zsh

@@ -1,3 +1,13 @@
+_date_format() {
+
+    case $UPDATE_CHECK in
+        "daily") echo +%d/%m/%Y;;
+        "weekly") echo +%V/%Y;;
+        "monthly") echo +%m/%Y;;
+    esac
+
+}
+
 _check_date_file() {
     mkdir -p ~/.config/dotfiles/.data
     touch ~/.config/dotfiles/.data/update_date
@@ -32,14 +42,15 @@ _sentence() {
 }
 
 _check_date() {
+
     _check_date_file
 
     old_date=`cat ~/.config/dotfiles/.data/update_date`
-    new_date=`date +%d/%m/%y`
+    new_date=`date $1`
 
     if [ "$new_date" != "$old_date" ]; then
         _sentence not_updated
-    else
+    elif [ "$UPDATE_CHECK_ALWAYS" == "true" ]; then
         _sentence updated
     fi
 }
@@ -207,6 +218,19 @@ update() {
     formatted=`date -ud "@$seconds" +'%H hours %M minutes %S seconds'`
     echo "\033[32;1m=== Update finished in $formatted ===\033[0m"
 
-    _check_date_file
+    format=`_date_format`
-    date +%d/%m/%y > ~/.config/dotfiles/.data/update_date
+
+    if [ $? -eq 0 ]; then
+        _check_date_file
+        date $format > ~/.config/dotfiles/.data/update_date
+    fi
+}
+
+# Spawn anonymous function
+function() {
+    local format=`_date_format`
+
+    if [ "$format" != "" ]; then
+        _check_date $format
+    fi
 }

zshrc

@@ -10,6 +10,10 @@ ZSH_CUSTOM=$HOME/.config/dotfiles/zsh/oh-my-zsh
 
 ZSH_THEME="laptop"
 
+if [ -f $DOTFILES/zsh/env.zsh ]; then
+    source $DOTFILES/zsh/env.zsh
+fi
+
 source $DOTFILES/zsh/config.zsh
 source $DOTFILES/zsh/path.zsh
 source $DOTFILES/zsh/exports.zsh