feat: add aur package support to system.yaml

akshara

@@ -187,6 +187,8 @@ def update_system():
             'blend'
         ]
 
+        aur_packages = []
+
         services = [
             'akshara'
         ]
@@ -209,6 +211,10 @@ def update_system():
         if type(blend_release.get('packages')) == list:
             packages += blend_release.get('packages')
 
+        if type(blend_release.get('aur-packages')) == list:
+            packages += ['fakeroot', 'paru']
+            aur_packages += blend_release.get('aur-packages')
+
         if type(blend_release.get('services')) == list:
             services += blend_release.get('services')
 
@@ -285,6 +291,23 @@ Server = {package_repo["repo-url"]}
             if return_val == 0:
                 break
         
+        counter = 0
+        while True:
+            exec_chroot('useradd', '-m', '-G', 'wheel', '-s', '/bin/bash', 'aur')
+            exec_chroot('bash', '-c', 'echo "aur ALL=(ALL) NOPASSWD: ALL" > /etc/sudoers.d/aur')
+            return_val = exec_chroot(
+                'runuser', '-u', 'aur', '--', 'paru', '-Sy', '--noconfirm', '--needed',
+                '--noprogressbar', '--skipreview', '--removemake', '--cleanafter', '--ask=4',
+                *blend_release.get('aur-packages'))
+            exec_chroot('userdel', '-r', 'aur')
+            exec_chroot('rm', '-f', '/etc/sudoers.d/aur')
+            counter += 1
+            if counter > 30:
+                error('failed to download AUR packages')
+                exit(50)
+            if return_val == 0:
+                break
+
         for service in services:
             if type(service) is str:
                 exec_chroot('systemctl', 'enable', service)