Synchronize `archlinux-keyring` when running guided.py (#917)

* Update guided.py

* Update guided.py

* Update guided.py

* Fix typo

* Format string properly; elaborate log msg

* Make change consistent to mirror-check

* Update documentation

3 files changed, 17 insertions, 0 deletions

diff --git a/archinstall/lib/networking.py b/archinstall/lib/networking.py
index 6b09deba..82754b58 100644
--- a/archinstall/lib/networking.py
+++ b/archinstall/lib/networking.py
@@ -40,6 +40,16 @@ def check_mirror_reachable() -> bool:
 
 	return False
 
+def update_keyring() -> bool:
+	log("Updating archlinux-keyring ...", level=logging.INFO)
+	if SysCommand("pacman -Sy archlinux-keyring").exit_code == 0:
+		return True
+	
+	elif os.geteuid() != 0:
+		log("update_keyring() uses 'pacman -Sy archlinux-keyring' which requires root.", level=logging.ERROR, fg="red")
+
+	return False
+
 
 def enrich_iface_types(interfaces: Union[Dict[str, Any], List[str]]) -> Dict[str, str]:
 	result = {}
diff --git a/docs/archinstall/general.rst b/docs/archinstall/general.rst
index 804d4416..53847139 100644
--- a/docs/archinstall/general.rst
+++ b/docs/archinstall/general.rst
@@ -74,6 +74,8 @@ Networking
 
 .. autofunction:: archinstall.check_mirror_reachable
 
+.. autofunction:: archinstall.update_keyring
+
 .. autofunction:: archinstall.enrich_iface_types
 
 .. autofunction:: archinstall.get_interface_from_mac
diff --git a/examples/guided.py b/examples/guided.py
index 9092d8f6..22e0f883 100644
--- a/examples/guided.py
+++ b/examples/guided.py
@@ -309,6 +309,11 @@ if not (archinstall.check_mirror_reachable() or archinstall.arguments.get('skip-
 	archinstall.log(f"Arch Linux mirrors are not reachable. Please check your internet connection and the log file '{log_file}'.", level=logging.INFO, fg="red")
 	exit(1)
 
+if not (archinstall.update_keyring() or archinstall.arguments.get('skip-keyring-update', False)):
+	log_file = os.path.join(archinstall.storage.get('LOG_PATH', None), archinstall.storage.get('LOG_FILE', None))
+	archinstall.log(f"Failed to update the keyring. Please check your internet connection and the log file '{log_file}'.", level=logging.INFO, fg="red")
+	exit(1)
+
 load_config()
 if not archinstall.arguments.get('silent'):
 	ask_user_questions()