1 files changed, 38 insertions, 0 deletions
diff --git a/debian/extra/kernel-install.d/85-initrd.install b/debian/extra/kernel-install.d/85-initrd.install
new file mode 100755
index 0000000..4f8b101
--- /dev/null
+++ b/debian/extra/kernel-install.d/85-initrd.install
@@ -0,0 +1,38 @@
+#!/bin/sh
+set -eu
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+
+COMMAND="$1"
+KERNEL_VERSION="$2"
+BOOT_DIR_ABS="$3"
+
+INITRD_SRC="/boot/initrd.img-$KERNEL_VERSION"
+INITRD_DEST="$BOOT_DIR_ABS/initrd"
+
+if [ "$COMMAND" = remove ]; then
+    exec rm -f "$INITRD_DEST"
+fi
+
+if [ "$COMMAND" != add ]; then
+    echo "Invalid command $COMMAND" >&2
+    exit 1
+fi
+
+if [ "$#" -ge 5 ]; then
+    # An explicit initrd path was passed, 90-loaderentry.install knows how to handle this;
+    # copying here would just duplicate the file, since the basename is very likely different
+    exit 0
+fi
+
+if [ -e "$INITRD_SRC" ]; then
+    [ "$KERNEL_INSTALL_VERBOSE" -gt 0 ] && echo "Installing '$INITRD_SRC' as '$INITRD_DEST'"
+    install -m 0644 -o root -g root "$INITRD_SRC" "$INITRD_DEST" || {
+        echo "Could not copy '$INITRD_SRC' to '$INITRD_DEST'." >&2
+        exit 1
+    }
+else
+    echo "$INITRD_SRC does not exist, not installing an initrd"
+fi
+
+exit 0