1 files changed, 25 insertions, 0 deletions
diff --git a/scripts/upd-initrd b/scripts/upd-initrd
new file mode 100755
index 000000000..8c78b2bb4
--- /dev/null
+++ b/scripts/upd-initrd
@@ -0,0 +1,25 @@
+#!/bin/sh
+# Updates an installer initrd with a new loader binary 
+# Usage: upd-initrd <initrd> <binary> <outfile>
+#
+# CAVEATS: Must use absolute paths to files, not relative
+#
+# Jeremy Katz <katzj@redhat.com>
+# Copyright 2005   Red Hat, Inc.
+
+if [ $# -ne 3 ]; then
+    echo "Usage: $0 <initrd> <binary> <outfile>"
+    exit 1
+fi
+
+INITRD=$1
+BIN=$2
+OUT=$3
+
+tmpdir=$(mktemp -d)
+pushd $tmpdir
+zcat $INITRD |cpio -id
+strip -s -o sbin/loader $BIN
+(find . |cpio -c -o |gzip -9) > $OUT
+popd
+rm -rf $tmpdir