From ead666ef0d5ab14df6909cf3dd23d44ec18662ca Mon Sep 17 00:00:00 2001
From: illiliti <illiliti@protonmail.com>
Date: Thu, 30 Jan 2020 18:28:03 +0300
Subject: [PATCH] finally

---
 config   |  2 +-
 generate | 17 +++++++++--------
 init     | 37 +++++++++++++++++--------------------
 3 files changed, 27 insertions(+), 29 deletions(-)

diff --git a/config b/config
index 73fa881..eb09a1e 100644
--- a/config
+++ b/config
@@ -18,7 +18,7 @@ root="UUID=07729c48-25d8-4096-acaf-ce5322915680"
 #root_args=""
 
 # device manager ( mdev,mdevd,udev )
-devmgr="mdev"
+devmgr="udev"
 
 # drivers
 #drivers=""
diff --git a/generate b/generate
index e922f32..6fc3f65 100755
--- a/generate
+++ b/generate
@@ -184,6 +184,7 @@ install_libraries() {
 }
 
 install_files() {
+# FIXME eof broken
 # initialize config
 cat <<EOF > "${tmpdir}/config"
 debug="$debug"
@@ -191,7 +192,6 @@ root="$root"
 root_type="$root_type"
 root_args="$root_args"
 devmgr="$devmgr"
-use_mdev="1"
 #drivers="$drivers"
 use_lvm="$use_lvm"
 use_luks="$use_luks"
@@ -241,25 +241,26 @@ create_initramfs() {
     [ "$?" = 0 ] || panic "failed to generate initramfs image"
 }
 
-# main function :)
+# TODO cd to script directory
 
 [ "$(id -u)" = 0 ] || panic "must be run as root"
 
 # remove tmpdir on exit or unexpected error
 trap remove_tmpdir EXIT INT
 
-# handle debug mode
-[ "$debug" = 1 ] && {
-    set -x
-    trap : EXIT INT
-}
-
 # variables
 tmpdir="$(mktemp -d /tmp/initramfs.XXXXXXXX)" || panic "failed to create working directory"
 kernel="$(uname -r)"
 moddir="/lib/modules/"
 
 check_requirements
+
+# handle debug mode
+[ "$debug" = 1 ] && {
+    set -x
+    trap : EXIT INT
+}
+
 create_structure
 create_symlinks
 #parse_fstab
diff --git a/init b/init
index ad1a90c..8abc947 100644
--- a/init
+++ b/init
@@ -3,12 +3,7 @@
 # tiny init script
 
 panic() {
-    printf "panic >> %s\n" "$@"
-    exit 1
-}
-
-info() {
-    printf "info >> %s\n" "$@"
+    printf "panic >> %s\n" "$@" && sh
 }
 
 # parse_cmdline() {
@@ -43,7 +38,7 @@ use_mdev() {
     done
 
     # load drivers
-    find /sys -name 'modalias' -type f -exec cat '{}' + | sort -u | xargs modprobe -ba
+    find /sys -name "modalias" -type f -exec cat "{}" + | sort -u | xargs modprobe -ba
 }
 
 use_mdevd() {
@@ -90,26 +85,17 @@ mnt_rootfs() {
 
 cleanup() {
     # clean up
-    [ "$use_mdev" = 1 ] && { printf "" >/proc/sys/kernel/hotplug || killall uevent; } >/dev/null 2>&1
-    [ "$use_mdevd" = 1 ] && killall mdevd
-    [ "$use_udev" = 1 ] && udevadm control --exit
+    [ "$devmgr" = "mdev" ] && { printf "" >/proc/sys/kernel/hotplug || killall uevent; } >/dev/null 2>&1
+    [ "$devmgr" = "mdevd" ] && killall mdevd
+    [ "$devmgr" = "udev" ] && udevadm control --exit
     umount /dev /sys /proc
 }
 
 boot_system() {
     # boot system
-    [ "$debug" = 1 ] && info SUCCESS
     exec switch_root /mnt/root /sbin/init || panic "failed to boot system"
 }
 
-if [ "$debug" = 1 ]; then
-    # debug shell commands 
-    set -x
-else
-    # silence is golden
-    printf 0 >/proc/sys/kernel/printk
-fi
-
 # install busybox
 /sbin/busybox --install -s
 
@@ -120,16 +106,27 @@ else
     panic "config doesn't exists"
 fi
 
+if [ "$debug" = 1 ]; then
+    # debug shell commands 
+    set -x
+else
+    # silence is golden
+    printf 0 >/proc/sys/kernel/printk
+fi
+
 #parse_cmdline
 mnt_pseudofs
+
 case "$devmgr" in
     mdev) use_mdev ;;
     mdevd) use_mdevd ;;
     udev) use_udev ;;
+    *) panic "devmgr option broken" ;;
 esac
+
 # TODO handle situations when LUKS on LVM
 [ "$use_luks" = 1 ] && unlock_luks
-[ "$use_lvm" = 1 ] && [ "$use_udev" = 0 ] && trigger_lvm
+[ "$use_lvm" = 1 ] && [ "$devmgr" != "udev" ] && trigger_lvm
 mnt_rootfs
 cleanup
 boot_system