Make a more mature update.sh script for AUR

AUR/update.sh

@@ -1,12 +1,78 @@
-#!/bin/sh
+#!/bin/bash
+verbose=false
+minimal=false
+update=false
+noconfirm=false
+
+for arg in "$@"; do
+    if [[ $arg == "-v" ]] || [[ $arg == "--verbose" ]]; then
+        verbose=true
+    elif [[ $arg == "-m" ]] || [[ $arg == "--minimal" ]]; then
+        minimal=true
+    elif [[ $arg == "-u" ]] || [[ $arg == "--update" ]]; then
+        update=true
+    elif [[ $arg == "--noconfirm" ]]; then
+        noconfirm=true
+    elif [[ $arg == "-h" ]] || [[ $arg == "--help" ]]; then
+        echo "Helper script for the AUR directory, which tells you what packages need an update.
+Usage: ./update.sh [options]
+Options:
+-v, --verbose      Don't suppress the output of any command run within the script.
+-m, --minimal      Only show directories in need for an update.
+-u, --update       If an update is needed, pull the new updates, 'makepkg -si' and afterwards 'git reset HEAD --hard' and 'git clean -fdx'.
+    --noconfirm    Pass the --noconfirm option to 'makepkg -si', if using the -u/--update option"
+        exit 0
+    fi
+done
+
 for dir in *; do
-    if [ -d "${dir}" ]; then
+    if [ -d "$dir" ]; then
-        cd ${dir}
+        cd $dir
-        git fetch --all
+        if $verbose; then
-        BEHIND=$(git rev-list HEAD...origin/master --count)
+            git fetch --all
-        if [[ ! ${dir} -eq 0 ]]; then
+        else
-            echo "$(pwd) is ${BEHIND} commits behind"
+            git fetch --all > /dev/null
         fi
+
+        BEHIND=$(git rev-list HEAD...origin/master --count)
+        if [[ $BEHIND -eq 0 ]]; then
+            if ! $minimal; then
+                echo "[ ] $(pwd) is up to date"
+            fi
+        else
+            echo "[X] $(pwd) is $BEHIND commits behind"
+
+            if $update; then
+                if $verbose; then
+                    git pull --all
+                else
+                    git pull --all > /dev/null
+                fi
+
+                if $noconfirm; then
+                    if $verbose; then
+                        makepkg -si --noconfirm
+                    else
+                        makepkg -si --noconfirm > /dev/null
+                    fi
+                else
+                    if $verbose; then
+                        makepkg -si
+                    else
+                        makepkg -si > /dev/null
+                    fi
+                fi
+
+                if $verbose; then
+                    git reset HEAD --hard
+                    git clean -fdx
+                else
+                    git reset HEAD --hard > /dev/null
+                    git clean -fdx > /dev/null
+                fi
+            fi
+        fi
+
         cd ..
     fi
 done