From 9d65344fba27ab87f019fa9071fcea0985c190f7 Mon Sep 17 00:00:00 2001
From: Dave Reisner <dreisner@archlinux.org>
Date: Sat, 22 Dec 2012 13:09:10 -0500
Subject: lsinitcpio: abort on unknown file formats

Specficially, abort when a user tries to run lsinitcpio on a kernel
image.

Signed-off-by: Dave Reisner <dreisner@archlinux.org>
---
 lsinitcpio | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'lsinitcpio')

diff --git a/lsinitcpio b/lsinitcpio
index f594fdc..7bbcb52 100755
--- a/lsinitcpio
+++ b/lsinitcpio
@@ -241,11 +241,16 @@ esac
 
 # read compression type
 case $(file -Lb "$_image") in
-    @(data|LZMA)*) _compress=lzma ;;
+    'Linux kernel'*)
+        die '%s is a kernel image, not an initramfs image!' "$_image" ;;
+    data*|LZMA*) _compress=lzma ;;
     gzip*) _compress=gzip ;;
     bzip2*) _compress=bzip2 ;;
     lzop*) _compress=lzop ;;
     XZ*) _compress=xz ;;
+    'ASCII cpio'*) : ;;
+    *)
+        die 'Unexpected file type. Are you sure this is an initramfs?' "$_image" ;;
 esac
 
 if (( _optanalyze )); then
-- 
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