3 files changed, 8 insertions, 1 deletions
diff --git a/PKGBUILD b/PKGBUILD
index 440e691..89613a4 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -14,6 +14,7 @@ makedepends=('asciidoc' 'git' 'sed')
 optdepends=('xz: Use lzma or xz compression for the initramfs image'
             'bzip2: Use bzip2 compression for the initramfs image'
             'lzop: Use lzo compression for the initramfs image'
+            'lz4: Use lz4 compression for the initramfs image'
             'mkinitcpio-nfs-utils: Support for root filesystem on NFS')
 backup=(etc/mkinitcpio.conf)
 
diff --git a/lsinitcpio b/lsinitcpio
index c1c5e21..5f19326 100755
--- a/lsinitcpio
+++ b/lsinitcpio
@@ -69,7 +69,7 @@ size_to_human() {
 }
 
 detect_filetype() {
-    case $(hexdump -n 6 -e '"%c"' "$1") in 
+    case $(hexdump -n 6 -e '"%c"' "$1") in
         '070701')
             # no compression
             return
@@ -90,6 +90,11 @@ detect_filetype() {
         return
     fi
 
+    if [[ $(hexdump -n 4 -e '"%x"' "$1") == '184d2204' ]]; then
+        echo 'lz4'
+        return
+    fi
+
     if [[ $(hexdump -n 3 -e '"%c"' "$1") == 'BZh' ]]; then
         echo 'bzip2'
         return
diff --git a/mkinitcpio.conf b/mkinitcpio.conf
index 7616809..c4d5e06 100644
--- a/mkinitcpio.conf
+++ b/mkinitcpio.conf
@@ -59,6 +59,7 @@ HOOKS="base udev autodetect modconf block filesystems keyboard fsck"
 #COMPRESSION="lzma"
 #COMPRESSION="xz"
 #COMPRESSION="lzop"
+#COMPRESSION="lz4"
 
 # COMPRESSION_OPTIONS
 # Additional options for the compressor