From a4c725aa84c4bc6f5ff999ee86fdfd74346730d2 Mon Sep 17 00:00:00 2001
From: Paul Menzel <pmenzel@molgen.mpg.de>
Date: Fri, 30 Jun 2017 14:53:29 +0200
Subject: [PATCH 1/2] mxgrub: Factor out initramfs code to `create_initramfs`

---
 mxgrub/create_initramfs | 37 +++++++++++++++++++++++++++++++++++++
 mxgrub/mxgrub           |  2 +-
 2 files changed, 38 insertions(+), 1 deletion(-)
 create mode 100644 mxgrub/create_initramfs

diff --git a/mxgrub/create_initramfs b/mxgrub/create_initramfs
new file mode 100644
index 0000000..4a761e0
--- /dev/null
+++ b/mxgrub/create_initramfs
@@ -0,0 +1,37 @@
+#!/bin/sh
+
+if [ -z "$1" ]; then
+    echo "You need to supply an initrd file name"
+    exit 1
+fi
+
+# Prepare microcode updates for AMD and Intel processors
+DSTDIR=kernel/x86/microcode
+INITRDNAME="$1"
+INITRDPATH=/boot/grub/"$INITRDNAME".igz
+INITRDDIR="$TMPDIR"/"$INITRDNAME"
+mkdir -p "$INITRDDIR"
+cd "$INITRDDIR"
+mkdir -p "$DSDDIR"
+
+if [ -d /lib/firmware/amd-ucode ]; then
+    cat /lib/firmware/amd-ucode/microcode_amd*.bin > "$DSTDIR"/AuthenticAMD.bin
+fi
+
+if [ -d /lib/firmware/intel-ucode ]; then
+    cat /lib/firmware/intel-ucode/* > "$DSTDIR"/GenuineIntel.bin
+fi
+
+find . | cpio -o -H newc > "$TMPDIR"/ucode.cpio
+
+cd ..
+
+# Clean up
+rm -rf "$INITRDDIR"
+
+cd /project/admin/initramfs
+find .|cpio -H newc -o | gzip > "$TMPDIR"/"$INITRDNAME"
+
+#
+cat ucode.cpio $INITRDNAME > /boot/grub/"$INITRDNAME"
+rm "$TMPDIR"/ucode.cpio "$TMPDIR"/"$INITRDNAME"
diff --git a/mxgrub/mxgrub b/mxgrub/mxgrub
index 5c80f86..c991e0f 100755
--- a/mxgrub/mxgrub
+++ b/mxgrub/mxgrub
@@ -252,7 +252,7 @@ sub cmd_update {
 }
 
 sub cmd_initramfs {
-	sys('bash','-c','cd /project/admin/initramfs;find .|cpio -H newc -o | gzip > /boot/grub/initramfs.igz');
+	sys('/project/mxtools/mxgrub/create_initramfs', 'initramfs');
 }
 
 our ($opt_list,$opt_update,$opt_initramfs,$opt_test);

From 0bad22b0a1bf48be1eede9ee76452914fc48104e Mon Sep 17 00:00:00 2001
From: Paul Menzel <pmenzel@molgen.mpg.de>
Date: Fri, 30 Jun 2017 17:02:43 +0200
Subject: [PATCH 2/2] mxgrub: Install binary in path

---
 mxgrub/create_initramfs | 14 +++++++++-----
 mxgrub/mxgrub           |  2 +-
 2 files changed, 10 insertions(+), 6 deletions(-)
 mode change 100644 => 100755 mxgrub/create_initramfs

diff --git a/mxgrub/create_initramfs b/mxgrub/create_initramfs
old mode 100644
new mode 100755
index 4a761e0..658b52e
--- a/mxgrub/create_initramfs
+++ b/mxgrub/create_initramfs
@@ -1,5 +1,7 @@
 #!/bin/sh
 
+set -x
+
 if [ -z "$1" ]; then
     echo "You need to supply an initrd file name"
     exit 1
@@ -9,10 +11,10 @@ fi
 DSTDIR=kernel/x86/microcode
 INITRDNAME="$1"
 INITRDPATH=/boot/grub/"$INITRDNAME".igz
-INITRDDIR="$TMPDIR"/"$INITRDNAME"
+INITRDDIR="$TMPDIR/$INITRDNAME"
 mkdir -p "$INITRDDIR"
 cd "$INITRDDIR"
-mkdir -p "$DSDDIR"
+mkdir -p "$DSTDIR"
 
 if [ -d /lib/firmware/amd-ucode ]; then
     cat /lib/firmware/amd-ucode/microcode_amd*.bin > "$DSTDIR"/AuthenticAMD.bin
@@ -22,7 +24,9 @@ if [ -d /lib/firmware/intel-ucode ]; then
     cat /lib/firmware/intel-ucode/* > "$DSTDIR"/GenuineIntel.bin
 fi
 
+ls -ltr "$TMPDIR"
 find . | cpio -o -H newc > "$TMPDIR"/ucode.cpio
+ls -ltr "$TMPDIR"
 
 cd ..
 
@@ -30,8 +34,8 @@ cd ..
 rm -rf "$INITRDDIR"
 
 cd /project/admin/initramfs
-find .|cpio -H newc -o | gzip > "$TMPDIR"/"$INITRDNAME"
+find .|cpio -H newc -o | gzip > "$TMPDIR/$INITRDNAME.igz"
 
 #
-cat ucode.cpio $INITRDNAME > /boot/grub/"$INITRDNAME"
-rm "$TMPDIR"/ucode.cpio "$TMPDIR"/"$INITRDNAME"
+cat "$TMPDIR"/ucode.cpio "$TMPDIR/$INITRDNAME.igz" > /boot/grub/"$INITRDNAME.igz"
+rm "$TMPDIR"/ucode.cpio "$TMPDIR"/"$INITRDNAME.igz"
diff --git a/mxgrub/mxgrub b/mxgrub/mxgrub
index c991e0f..5fb288f 100755
--- a/mxgrub/mxgrub
+++ b/mxgrub/mxgrub
@@ -252,7 +252,7 @@ sub cmd_update {
 }
 
 sub cmd_initramfs {
-	sys('/project/mxtools/mxgrub/create_initramfs', 'initramfs');
+	sys('create_initramfs', 'initramfs');
 }
 
 our ($opt_list,$opt_update,$opt_initramfs,$opt_test);