use correct kernel version for booting

specifically, use the version of linux-image-amd64 present in samizdat.btrfs

1 files changed, 8 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 0a174e2..00ae4b5 100644
--- a/Makefile
+++ b/Makefile
@@ -68,8 +68,15 @@ rootfs:
         sudo mkdir -p /srv/nbd
         sudo ln -sf "$$PWD"/rootfs/samizdat.btrfs /srv/nbd/samizdat.btrfs
 
+define get_kernel_version
+grep '^ii  linux-image-amd64' rootfs/_build/samizdat.pkgs.txt  | \
+        (read _ pkg ver _; apt-cache show $$pkg=$$ver) | \
+        grep Depends | \
+        (read _ a; echo $${a#linux-image-})
+endef
+
 boot: rootfs
-        sudo qemu.sh
+        sudo kernel_version=$$($(get_kernel_version)) qemu.sh
 
 reuse_child := $(shell 2>/dev/null read child < reused-child && echo --reuse_child=$$child; true)