mod-depmod24.sh

   1 #!/bin/sh
   2 # geninitrd mod: depmod for 2.4 kernel
   3
   4 # Finds module dependencies
   5 #
   6 # @param        $module
   7 # @param        $mode   [silent]
   8 #
   9 # Outputs each dependant module full path.
  10 find_depmod() {
  11         local module="$1"
  12         local mode="$2"
  13
  14         typeset mods module f level depfile first
  15
  16         depfile=/lib/modules/$kernel/modules.dep
  17
  18         if [ ! -f $depfile ]; then
  19                 die "No $depfile! Run depmod and rerun $PROGRAM."
  20         fi
  21
  22         # prepend / if no path given, append $modext.gz if not given,
  23         # quote /
  24         origmodule="$2"
  25         module=$(echo "$2" | \
  26                 awk '/\// {print;next} {print "/" $0}' | \
  27                 awk '/\./ {print;next} {print $0 "'$modext'.gz"}' |
  28                 awk '{gsub("/","\\/");print}')
  29         mods=$(awk '
  30 BEGIN { here = 0 }
  31 /'"$module"':(.*)/ { gsub(/:/," "); gsub(/\\/," "); print; here = 1; next }
  32 /:/ { here = 0 }
  33 /(.*)/ { gsub(/\\/," "); if (here) print }
  34 ' $depfile | xargs)
  35
  36         # fallback to $modext
  37         if [ "$mods" = "" ]; then
  38                 module=$(echo "$module" | awk '{gsub("\'$modext'\.gz$","\'$modext'",$0);print}')
  39                 # ") - vim
  40         fi
  41
  42         mods=$(awk '
  43 BEGIN { here = 0 }
  44 /'"$module"':(.*)/ { gsub(/:/," "); gsub(/\\/," "); print; here = 1; next }
  45 /:/ { here = 0 }
  46 /(.*)/ { gsub(/\\/," "); if (here) print }
  47 ' $depfile | xargs)
  48
  49         if [ "$mods" = "" ]; then
  50                 if [ "$1" != silent ]; then
  51                         warn "$origmodule: module not found in $depfile"
  52                 fi
  53                 if ! is_no "$EXIT_IF_MISSING"; then
  54                         exit 1
  55                 else
  56                         warn "If $origmodule isn't compiled in kernel then this initrd may not start your system."
  57                 fi
  58         fi
  59
  60         level=$3
  61         if [ "$level" = "" ]; then
  62                 level=0
  63         fi
  64         level=$((level + 1))
  65         if [ $level -gt 20 ]; then
  66                 die "$origmodule: cycle in $depfile"
  67         fi
  68
  69         first=
  70         for f in $mods; do
  71                 if [ "$first" = "" ]; then
  72                         first=$f
  73                 else
  74                         find_depmod $1 $f $level
  75                 fi
  76         done
  77
  78         echo $first
  79 }