1 files changed, 24 insertions, 0 deletions
diff --git a/packages/vm/customize.sh b/packages/vm/customize.sh
new file mode 100755
index 0000000..d4b2478
--- /dev/null
+++ b/packages/vm/customize.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+
+abort() {
+    echo "$1" >&2
+    exit 1
+}
+
+rootdir="$1"
+
+# avoid messing with host system
+[[ -n $rootdir ]] || abort "root directory is not set"
+
+# set up local apt archive
+mkdir -p $rootdir/usr/local/share/archive
+echo "deb [trusted=yes] file:/usr/local/share/archive ./" > $rootdir/etc/apt/sources.list.d/local.list
+
+# mount local apt archive from host on startup
+echo 9p >> $rootdir/etc/initramfs-tools/modules
+echo 9pnet >> $rootdir/etc/initramfs-tools/modules
+echo 9pnet_virtio >> $rootdir/etc/initramfs-tools/modules
+echo "host0 /usr/local/share/archive 9p trans=virtio,version=9p2000.L 0 0" >> $rootdir/etc/fstab
+
+# boot immediately
+sed --in-place 's/GRUB_TIMEOUT=[0-9]\+/GRUB_TIMEOUT=0/g' $rootdir/etc/default/grub