fix passwordless sudo for Sierra

HISTORY.md

@@ -30,6 +30,7 @@
  * remove yo, generator-dockerize, box-sync from software installs
  * install node stable (rather than old 4.x.x version)
  * make gitshots optional (and only install `imagesnap` and `imagemagick` if this is on)
+ * fix passwordless sudo for Sierra (optional)
 
 ## v4.3.0
  * vim installation fix

install.sh

@@ -12,7 +12,7 @@ source ./lib_sh/requirers.sh
 bot "Hi! I'm going to install tooling and tweak your system settings. Here I go..."
 
 # Ask for the administrator password upfront
-if sudo grep -q "# %wheel\tALL=(ALL) NOPASSWD: ALL" "/etc/sudoers"; then
+if ! sudo grep -q "%wheel		ALL=(ALL) NOPASSWD: ALL #atomantic/dotfiles" "/etc/sudoers"; then
 
   # Ask for the administrator password upfront
   bot "I need you to enter your sudo password so I can install some things:"
@@ -26,11 +26,8 @@ if sudo grep -q "# %wheel\tALL=(ALL) NOPASSWD: ALL" "/etc/sudoers"; then
   read -r -p "Make sudo passwordless? [y|N] " response
 
   if [[ $response =~ (yes|y|Y) ]];then
-      sed --version 2>&1 > /dev/null
-      sudo sed -i '' 's/^#\s*\(%wheel\s\+ALL=(ALL)\s\+NOPASSWD:\s\+ALL\)/\1/' /etc/sudoers
-      if [[ $? == 0 ]];then
-          sudo sed -i 's/^#\s*\(%wheel\s\+ALL=(ALL)\s\+NOPASSWD:\s\+ALL\)/\1/' /etc/sudoers
-      fi
+      sudo cp /etc/sudoers /etc/sudoers.back
+      echo '%wheel		ALL=(ALL) NOPASSWD: ALL #atomantic/dotfiles' | sudo tee -a /etc/sudoers > /dev/null
       sudo dscl . append /Groups/wheel GroupMembership $(whoami)
       bot "You can now run sudo commands without password!"
   fi