copy-builtin

   1 #!/usr/bin/env bash
   2
   3 set -e
   4
   5 usage()
   6 {
   7         echo "usage: $0 <kernel source tree>" >&2
   8         exit 1
   9 }
  10
  11 [ "$#" -eq 1 ] || usage
  12 KERNEL_DIR="$(readlink --canonicalize-existing "$1")"
  13
  14 if ! [ -e 'zfs_config.h' ]
  15 then
  16         echo >&2
  17         echo "    $0: you did not run configure, or you're not in the ZFS source directory." >&2
  18         echo "    $0: run configure with --with-linux=$KERNEL_DIR and --enable-linux-builtin." >&2
  19         echo >&2
  20         exit 1
  21 fi
  22
  23 make clean || true
  24 make gitrev
  25
  26 rm -rf "$KERNEL_DIR/include/zfs" "$KERNEL_DIR/fs/zfs"
  27 cp --recursive include "$KERNEL_DIR/include/zfs"
  28 cp --recursive module "$KERNEL_DIR/fs/zfs"
  29 cp zfs_config.h "$KERNEL_DIR/include/zfs/"
  30
  31 cat > "$KERNEL_DIR/fs/zfs/Kconfig" <<"EOF"
  32 config ZFS
  33         tristate "ZFS filesystem support"
  34         depends on EFI_PARTITION
  35         select ZLIB_INFLATE
  36         select ZLIB_DEFLATE
  37         help
  38           This is the ZFS filesystem from the OpenZFS project.
  39
  40           See https://github.com/openzfs/zfs
  41
  42           To compile this file system support as a module, choose M here.
  43
  44           If unsure, say N.
  45 EOF
  46
  47 add_after()
  48 {
  49         local FILE="$1"
  50         local MARKER="$2"
  51         local NEW="$3"
  52         local LINE
  53
  54         while IFS='' read -r LINE
  55         do
  56                 echo "$LINE"
  57
  58                 if [ -n "$MARKER" -a "$LINE" = "$MARKER" ]
  59                 then
  60                         echo "$NEW"
  61                         MARKER=''
  62                         if IFS='' read -r LINE
  63                         then
  64                                 [ "$LINE" != "$NEW" ] && echo "$LINE"
  65                         fi
  66                 fi
  67         done < "$FILE" > "$FILE.new"
  68
  69         mv "$FILE.new" "$FILE"
  70 }
  71
  72 add_after "$KERNEL_DIR/fs/Kconfig" 'if BLOCK' 'source "fs/zfs/Kconfig"'
  73 add_after "$KERNEL_DIR/fs/Makefile" 'endif' 'obj-$(CONFIG_ZFS) += zfs/'
  74
  75 echo >&2
  76 echo "    $0: done." >&2
  77 echo "    $0: now you can build the kernel with ZFS support." >&2
  78 echo "    $0: make sure you enable ZFS support (CONFIG_ZFS) before building." >&2
  79 echo >&2