Adding copy mode for #95 (#82). I wouldn't say this is a hacky way of doing it, but using a string as identifier is the only way I can think of currently in guided.py. When user is prompted to select a interface to configure for networking, there's now a zero-option to copy existing ISO configuration to the install medium. This enables advance configuration prior to running the installer - and simply copy it straight over to the install medium. Two requirements: 1: That iwd is used for wifi configuration and config for passwords etc are stored in /var/lib/iwd 2: That systemd-networkd is used to configure networking/IP/DHCP as anything under /etc/systemd/networkd/* is copied over.

archinstall/lib/installer.py

@@ -1,4 +1,4 @@
-import os, stat, time
+import os, stat, time, shutil
 
 from .exceptions import *
 from .disk import *
@@ -48,6 +48,7 @@ class Installer():
 		}
 
 		self.base_packages = base_packages.split(' ')
+		self.post_base_install = []
 		storage['session'] = self
 
 		self.partition = partition
@@ -182,6 +183,40 @@ class Installer():
 		with open(f"{self.mountpoint}/etc/systemd/network/10-{nic}.network", "a") as netconf:
 			netconf.write(str(conf))
 
+	def copy_network_config(self, enable_services=False):
+		# Copy (if any) iwd password and config files
+		if os.path.isdir('/var/lib/iwd/'):
+			if (psk_files := glob.glob('/var/lib/iwd/*.psk')):
+				if not os.path.isdir(f"{self.mountpoint}/var/lib/iwd"):
+					os.makedirs(f"{self.mountpoint}/var/lib/iwd")
+
+				self.base_packages.append('iwd')
+
+
+				if enable_services and self.helper_flags.get('base', False) is False:
+					# This function will be called after minimal_installation() 
+					# as a hook for post-installs. This hook is only needed if
+					# base is not installed yet.
+					def post_install_enable_iwd_service(*args, **kwargs):
+						self.enable_service('iwd')
+
+					self.post_base_install.append(post_install_enable_iwd_service)
+				elif enable_services and self.helper_flags.get('base', False) is True:
+					self.enable_service('iwd')
+
+				for psk in psk_files:
+					shutil.copy2(psk, f"{self.mountpoint}/var/lib/iwd/{os.path.basename(psk)}")
+
+		# Copy (if any) systemd-networkd config files
+		if (netconfigurations := glob.glob('/etc/systemd/network/*')):
+			if not os.path.isdir(f"{self.mountpoint}/etc/systemd/network/"):
+				os.makedirs(f"{self.mountpoint}/etc/systemd/network/")
+
+			for netconf_file in netconfigurations:
+				shutil.copy2(netconf_file, f"{self.mountpoint}/etc/systemd/network/{os.path.basename(netconf_file)}")
+
+		return True
+
 	def minimal_installation(self):
 		## Add nessecary packages if encrypting the drive
 		## (encrypted partitions default to btrfs for now, so we need btrfs-progs)
@@ -220,6 +255,12 @@ class Installer():
 			sys_command(f'/usr/bin/arch-chroot {self.mountpoint} mkinitcpio -p linux')
 
 		self.helper_flags['base'] = True
+
+		# Run registered post-install hooks
+		for function in self.post_base_install:
+			self.log(f"Running post-installation hook: {function}", level=LOG_LEVELS.Info)
+			function(self)
+
 		return True
 
 	def add_bootloader(self, bootloader='systemd-bootctl'):

examples/guided.py

@@ -49,11 +49,18 @@ def perform_installation(device, boot_partition, language, mirrors):
 			installation.set_keyboard_language(language)
 			installation.add_bootloader()
 
-			if archinstall.storage['_guided']['network']:
+			# If user selected to copy the current ISO network configuration
+			# Perform a copy of the config
+			if archinstall.storage['_guided']['network'] == 'Copy ISO network configuration to installation':
+				installation.copy_ISO_network_config(enable_services=True) # Sources the ISO network configuration to the install medium.
+
+			# Otherwise, if a interface was selected, configure that interface
+			elif archinstall.storage['_guided']['network']:
 				installation.configure_nic(**archinstall.storage['_guided']['network'])
 				installation.enable_service('systemd-networkd')
 				installation.enable_service('systemd-resolved')
 
+
 			if archinstall.storage['_guided']['packages'] and archinstall.storage['_guided']['packages'][0] != '':
 				installation.add_additional_packages(archinstall.storage['_guided']['packages'])
 
@@ -188,11 +195,12 @@ while 1:
 
 # Optionally configure one network interface.
 #while 1:
-interfaces = archinstall.list_interfaces() # {MAC: Ifname}
+# {MAC: Ifname}
+interfaces = {'ISO-CONFIG' : 'Copy ISO network configuration to installation', **archinstall.list_interfaces()}
 archinstall.storage['_guided']['network'] = None
 
 nic = archinstall.generic_select(interfaces.values(), "Select one network interface to configure (leave blank to skip): ")
-if nic:
+if nic and nic != 'Copy ISO network configuration to installation':
 	mode = archinstall.generic_select(['DHCP (auto detect)', 'IP (static)'], f"Select which mode to configure for {nic}: ")
 	if mode == 'IP (static)':
 		while 1:
@@ -217,7 +225,8 @@ if nic:
 		archinstall.storage['_guided']['network'] = {'nic': nic, 'dhcp': False, 'ip': ip, 'gateway' : gateway, 'dns' : dns}
 	else:
 		archinstall.storage['_guided']['network'] = {'nic': nic}
-
+elif nic:
+	archinstall.storage['_guided']['network'] = nic
 
 print()
 print('This is your chosen configuration:')