From: Harald Hoyer <harald@redhat.com>
Date: Mon, 18 May 2015 11:25:08 +0000 (+0200)
Subject: 51-dracut-rescue.install: fix kernel cmdline parsing
X-Git-Tag: 042~34
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=10e59202c78e8203b772134dfb806ce29cbde8ef;p=thirdparty%2Fdracut.git

51-dracut-rescue.install: fix kernel cmdline parsing

filter out any "initrd=" option
---

diff --git a/51-dracut-rescue.install b/51-dracut-rescue.install
index 0f262d58a..60d737283 100755
--- a/51-dracut-rescue.install
+++ b/51-dracut-rescue.install
@@ -44,10 +44,18 @@ if [[ -f /etc/kernel/cmdline ]]; then
 elif [[ -f /usr/lib/kernel/cmdline ]]; then
     read -r -d '' -a BOOT_OPTIONS < /usr/lib/kernel/cmdline
 fi
+
 if ! [[ "${BOOT_OPTIONS[@]}" ]]; then
-    read -r -d '' -a BOOT_OPTIONS < /proc/cmdline
+    read -r -d '' -a line < /proc/cmdline
+    for i in "${line[@]}"; do
+        [[ "${i#initrd=*}" != "$i" ]] && continue
+        BOOT_OPTIONS+=("$i")
+    done
 fi
-if ! [[ $BOOT_OPTIONS ]]; then
+
+if ! [[ ${BOOT_OPTIONS[*]} ]]; then
+    echo "Could not determine the kernel command line parameters." >&2
+    echo "Please specify the kernel command line in /etc/kernel/cmdline!" >&2
     exit 1
 fi