fix: Switch to space-separated sources.conf format

- Change from colon to space separation to avoid URL parsing issues
- Update sources.conf format: TYPE NAME URL VERSION BUILD_FUNCTION [EXTRA]
- Implement awk-based parsing for reliable field extraction
- Fix firmware package list (remove unavailable linux-firmware-marvell)

initramfs/usr/lib/pam.d/base-account

@@ -0,0 +1,4 @@
+# basic PAM configuration for Alpine.
+
+account required pam_unix.so
+account required pam_nologin.so

initramfs/usr/lib/pam.d/base-auth

@@ -0,0 +1,8 @@
+# basic PAM configuration for Alpine.
+
+auth required pam_unix.so nullok
+auth required pam_nologin.so
+auth required pam_env.so
+
+-auth optional pam_gnome_keyring.so
+-auth optional pam_kwallet5.so

initramfs/usr/lib/pam.d/base-password

@@ -0,0 +1,7 @@
+# basic PAM configuration for Alpine.
+
+password required pam_unix.so nullok sha512 shadow
+
+# desktop keyrings
+-password optional pam_gnome_keyring.so use_authtok
+-password optional pam_kwallet5.so

initramfs/usr/lib/pam.d/base-session

@@ -0,0 +1,18 @@
+# basic PAM configuration for Alpine.
+
+session include base-session-noninteractive
+
+# potential providers that set up session stuff / a XDG_RUNTIME_DIR
+-session optional pam_rundir.so
+-session optional pam_elogind.so
+-session optional pam_systemd.so
+-session optional pam_ck_connector.so
+-session optional pam_turnstile.so
+-session optional pam_dumb_runtime_dir.so
+
+# desktop keyrings
+-session optional pam_gnome_keyring.so auto_start
+-session optional pam_kwallet5.so auto_start
+
+# support for OpenRC user service autostarting, if openrc-user-pam is installed.
+-session optional pam_openrc.so

initramfs/usr/lib/pam.d/base-session-noninteractive

@@ -0,0 +1,5 @@
+# basic PAM configuration for Alpine.
+
+session required pam_env.so
+session required pam_limits.so
+session required pam_unix.so

initramfs/usr/lib/pam.d/login

@@ -0,0 +1,6 @@
+# "login" that is required by pam-enabled util-linux-login/shadow-login
+
+auth      include    base-auth
+account   include    base-account
+password  include    base-password
+session   include    base-session

initramfs/usr/lib/pam.d/other

@@ -0,0 +1,6 @@
+#%PAM-1.0
+# default config for any service don't specified
+auth     include    base-auth
+account  include    base-account
+password include    base-password
+session  include    base-session-noninteractive

initramfs/usr/lib/pam.d/su

@@ -0,0 +1,6 @@
+# basic PAM configuration for Alpine.
+auth        sufficient     pam_rootok.so
+auth        include        base-auth
+account     include        base-account
+password    include        base-password
+session     include        base-session-noninteractive