setup: create user when needed and fix sudo autosetup

setup.sh

@@ -14,11 +14,20 @@ else
         owner="$1"
         echo "[setup.sh] Setup for user $owner"
     else
+        # Default value
         owner="forgehook"
         echo "[setup.sh] No setup user found. Using default value $owner"
     fi
 fi
 
+# If the user doesn't exist, create it
+if ! id -u "$owner" > /dev/null 2>&1; then
+    # We need to create the forgehook user
+    echo "[setup.sh] User $owner doesn't exist yet. Creating it."
+    sudo useradd --create-home --shell /bin/bash --user-group --system --home-dir /opt/forgehook "$owner"
+fi
+
+
 # TODO: Detect if user has UID > 1000 so if it's a real user we refuse to setup
 # and try to escalate to generate a dedicated account. 
 # Please don't run me as root!
@@ -55,11 +64,12 @@ echo "[setup.sh] Installed forgehook to $DEST for $owner"
 SUDO_SETUP=0
 if ! sudo grep "forgehook-backend" /etc/sudoers > /dev/null; then
     SUDO_SETUP=1
-    sudo echo "ALL ALL=($owner) NOPASSWD: /usr/local/bin/forgehook-backend" >> /etc/sudoers
+    # Need to open a dedicated shell through sudo or we don't have permissions
+    sudo sh -c "echo ALL ALL=\("$owner"\) NOPASSWD: /usr/local/bin/forgehook-backend >> /etc/sudoers"
 fi
 if ! sudo grep "forgehook-run" /etc/sudoers > /dev/null; then
     SUDO_SETUP=1
-    sudo echo "$owner ALL=NOPASSWD: /usr/local/bin/forgehook-run" >> /etc/sudoers
+    sudo sh -c "echo "$owner" ALL=NOPASSWD: /usr/local/bin/forgehook-run >> /etc/sudoers"
 fi
 
 [[ $SUDO_SETUP = 1 ]] && echo "[setup.sh] sudo rules have been installed for forgehook"