copy-builtin

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