Add hash checks

.gitignore

@@ -0,0 +1 @@
+/temp/

scripts/export.fish

@@ -2,19 +2,44 @@
 
 source scripts/shared.fish
 
+mkdir -p "temp"
+
+set dircontent $(find "nixos" -type f | sort -z)
+
+for i in $dircontent
+    if [ $i != "" ]
+        echo "[INFO] Hashing $i"
+        set ihash "$(sha1sum $i)"
+        echo "$ihash" >> "temp/directorylisthashed.txt"
+    end
+end
+
 if fish_is_root_user
     echo "[ERROR] Running with root permissions is not supported"
+    exit 0
 else
-    read -sP "[INPUT] Root password: " rpass
-    echo "$rpass" | sudo -S echo "[INFO] Obtaining admin permissions"
-    sudo cp -r "nixos/" "/etc/"
-    read -P "[INPUT] Trigger rebuild Y/n: " rebuild
-    if [ "$rebuild" = "" ]
-        set rebuild "y"
-    end
-    set rebuild "$(string lower $rebuild)"
-    if [ "$rebuild" = "y" ]
-        sudo nixos-rebuild switch &> /dev/null
+    set hash1 "$(cat temp/directorylisthashed.txt)"
+    set hash1 $(string split "  " $hash1)
+    set hash1 $hash1[1]
+    set hash2 "$(cat temp/directorylisthashedprevious.txt)"
+    set hash2 $(string split "  " $hash2)
+    set hash2 $hash2[1]
+    if [ "$hash1" != "$hash2" ]
+        read -sP "[INPUT] Root password: " rpass
+        if [ "$rpass" = "" ]
+            echo "[ERROR] Failed to get root password"
+            exit 0
+        end
+        echo "$rpass" | sudo -S echo "[INFO] Obtaining admin permissions"
+        sudo cp -r "nixos/" "/etc/"
+        read -P "[INPUT] Trigger rebuild Y/n: " rebuild
+        if [ "$rebuild" = "" ]
+            set rebuild "y"
+        end
+        set rebuild "$(string lower $rebuild)"
+        if [ "$rebuild" = "y" ]
+            sudo nixos-rebuild switch &> /dev/null
+        end
     end
     read -P "[INPUT] Git update Y/n: " gitpush
     if [ "$gitpush" = "" ]
@@ -24,10 +49,12 @@ else
     if [ "$gitpush" = "y" ]
         read -P "[INPUT] Commit message: " cmessage
         echo "[INFO] Adding to git"
-        git add .
+        git add . --quiet
         echo "[INFO] Creating commit with message $cmessage"
-        git commit -m "$cmessage"
+        git commit -m "$cmessage" --quiet
         echo "[INFO] Pushing to external repository"
         git push --quiet
     end
-end
+end
+
+cp "temp/directorylisthashed.txt" "temp/directorylisthashedprevious.txt"