1 files changed, 65 insertions, 0 deletions
diff --git a/wifi.install b/wifi.install
new file mode 100644
index 000000000000..ba299cd24a79
--- /dev/null
+++ b/wifi.install
@@ -0,0 +1,65 @@
+#!/bin/bash
+
+get_mods_depending_on () {
+    local res
+
+    res=$(lsmod | grep -e "^\\<${1}\\>" | awk '{print $4}')
+    res=(${res//,/ })
+
+    (( ${#res[*]} )) && printf "%s\n" "${res[@]}"
+}
+
+get_mods_depending_on_recursive () {
+    local mods queue i_mod i_testmod
+
+    mods=($1 $(get_mods_depending_on $1))
+    queue=(${mods[@]})
+
+    while (( ${#queue[*]} )) ; do
+        i_mod=${queue[${#queue[@]}-1]}
+        unset queue[${#queue[@]}-1]
+
+        for i_testmod in $(get_mods_depending_on ${i_mod}) ; do
+            in_array ${i_testmod} ${mods[@]}
+            if [ $? != 0 ] ; then
+                mods[${#mods[*]}]=${i_testmod}
+                queue[${#queue[*]}]=${i_testmod}
+            fi
+        done
+    done
+
+    (( ${#mods[*]} )) && printf "%s\n" "${mods[@]}"
+}
+
+
+build ()
+{
+    # Are we even needed?
+    if [ ! -r "/etc/wpa_supplicant/initcpio.conf" ]; then
+        echo "There is no wifi config /etc/wpa_supplicant/initcpio.conf; (create and rerun?); exit"
+        return 0
+    fi
+
+    # wireless modules
+    add_checked_modules "/drivers/net/wireless/"
+
+    # make sure loaded modules depending on cfg80211 are included (e.g. iwlmvm)
+    local mod
+    for mod in $(get_mods_depending_on_recursive cfg80211) ; do
+        add_module $mod
+    done
+
+    add_binary "killall"
+    add_binary "wpa_supplicant"
+    add_binary "ip"
+	add_runscript
+
+    add_file "/etc/wpa_supplicant/initcpio.conf" "/etc/wpa_supplicant/initcpio.conf"
+}
+
+help ()
+{
+cat<<HELPEOF
+	Enables wifi on boot, for ssh unlocking of disk.
+HELPEOF
+}