org.handhelds.familiar/packages/update-modules/update-modules-1.0/update-modules

   1 #!/bin/sh
   2 #
   3 # This is the update-modules script for Debian GNU/Linux.
   4 # Copyright 1998-2001 Wichert Akkerman <wakkerma@debian.org>
   5 # Licensed under the GNU GPL, version 2
   6 #
   7
   8 MODCONFFILE=/etc/modules.conf
   9 MODCONFTMPFILE="${MODCONFFILE}.$$"
  10 MODULESFILE=/etc/modules
  11 MODULESTMPFILE="${MODULESFILE}.$$"
  12
  13 ARCHDIR=/etc/modutils/arch
  14 CPUDIR=/etc/modutils/cpu
  15 HEADER="### This file is automatically generated by update-modules"
  16
  17 set -e
  18
  19 if [ "$1" = "force" ] ; then
  20         force=1
  21 else
  22         force=
  23 fi
  24
  25 # Reset the sorting order since we depend on it
  26 LC_COLLATE=C
  27 export LC_COLLATE
  28
  29 depdir()
  30 {
  31         dep=`grep '[[:space:]]*depfile' "${MODCONFFILE}" | tail -n 1 | sed -e 's/depfile=//' -e 's,/[^/]*$,,'`
  32         if [ -z "$dep" ] ; then
  33                 dep="/lib/modules/`uname -r`"
  34         fi
  35
  36         echo $dep
  37 }
  38
  39 arch() {
  40         local model=`uname -m`
  41         case $model in
  42                 i[0-9]86) model=i386; ;;
  43                 sun4u) model=sparc64; ;;
  44                 arm*) model=arm; ;;
  45                 ppc) model=powerpc; ;;
  46         esac
  47         echo $model
  48 }
  49
  50 archmodel() {
  51         local arch=`arch`
  52         local model=""
  53         if [ $arch = "m68k" ]; then
  54                 if [ -f /proc/hardware ]; then
  55                         model=`sed -ne 's/^Model:[[:space:]]*//p' /proc/hardware`
  56                         case $model in
  57                                 Atari*) model="atari"; ;;
  58                                 Amiga*) model="amiga"; ;;
  59                                 Macintosh*) model="mac"; ;;
  60                                 Motorola*) model="MVME"; ;;
  61                                 *) model="generic"; ;;
  62                         esac
  63                         model=".${model}"
  64                 else
  65                         echo "/proc/hardware does not exist, assuming general m68k system"
  66                         model=".generic"
  67                 fi
  68         elif [ $arch = "powerpc" ]; then
  69                 if [ -f /proc/cpuinfo ]; then
  70                         model=`sed -ne 's/^machine[[:space:]]*:[[:space:]]*//p' /proc/cpuinfo`
  71                         case $model in
  72                                 Amiga*) model="apus"; ;;
  73                                 Power*) model="pmac"; ;;
  74                                 *) model="generic"; ;;
  75                         esac
  76                         model=".${model}"
  77                 else
  78                         echo "/proc/cpuinfo does not exist, assuming general powerpc system"
  79                         model=".generic"
  80                 fi
  81         fi
  82         echo "${arch}${model}"
  83 }
  84
  85 checkoverwrite() {
  86         local cfgfile="$1"
  87
  88         if [ -f "$cfgfile" ]; then
  89                 if ! sed -ne 1p "$cfgfile" | grep -q "^$HEADER" ; then
  90                         echo "Error: the current $cfgfile is not automatically generated." >&2
  91                         if [ -z "$force" ]; then
  92                                 echo "Use \"update-modules force\" to force (re)generation."
  93                                 exit 1
  94                         else
  95                                 echo "force specified, (re)generating file anyway."
  96                         fi
  97                 fi
  98         fi
  99 }
 100
 101 createfile() {
 102         cat <<EOF > "$1"
 103 $HEADER"
 104 #
 105 # Please do not edit this file directly. If you want to change or add
 106 # anything please take a look at the files in /etc/modutils and read
 107 # the manpage for update-modules.
 108 #
 109 EOF
 110 }
 111
 112 addfile() {
 113         local src="$1"
 114         local tgt="$2"
 115
 116         echo "### update-modules: start processing $src" >> "$tgt"
 117         if [ -x "$src" ]; then
 118                 if !  "$src" >> "$tgt" ; then
 119                         echo "Error while executing $src, aborting" >&2
 120                         exit 1
 121                 fi
 122         else
 123                 cat "$src" >> "$tgt"
 124         fi
 125         cat <<EOF >> "$tgt"
 126
 127 ### update-modules: end processing $cfg
 128
 129 EOF
 130 }
 131
 132
 133 checkoverwrite "$MODCONFFILE"
 134
 135 if [ 0 -ne "`id -u`" ]; then
 136         echo "You have to be root to do this." >&2
 137         exit 2
 138 fi
 139
 140 model=`archmodel`
 141 oldmodel=$model
 142
 143 while [ ! -f "${ARCHDIR}/${model}" ]; do
 144         oldmodel=$model
 145         model=`echo $oldmodel | sed -e 's/\.[^.]\+//'`
 146         if [ "$model" = "$oldmodel" ]; then
 147                 break
 148         fi
 149         echo "Configuration for $oldmodel not found, trying $model"
 150 done
 151
 152 CONF="${ARCHDIR}/${model}"
 153
 154 if [ ! -f "$CONF" ]; then
 155         ## echo "Architecture-specific modutils configuration not found, using defaults"
 156         CONF="${ARCHDIR}/generic"
 157 fi
 158
 159 [ -e "$MODCONFFILE" ] && cp -f "$MODCONFFILE" "${MODCONFFILE}.old"
 160
 161 createfile "$MODCONFTMPFILE"
 162 createfile "$MODULESTMPFILE"
 163
 164 for cfg in /etc/modutils/* $CONF ; do
 165         if [ -f "$cfg" ]; then # this check is necesarry to skip /etc/modutils/archs
 166                 if echo $cfg | grep -q '\.dpkg-[a-z]*\|~$' ; then
 167                         true
 168                 elif echo $cfg | grep -q '\.conf$' ; then
 169                         addfile "$cfg" "$MODCONFTMPFILE"
 170                 else
 171                         addfile "$cfg" "$MODULESTMPFILE"
 172                 fi
 173         fi
 174 done
 175
 176 first_time=0
 177 if [ ! -f $MODULESFILE ]; then
 178   first_time=1
 179 fi
 180
 181 mv "$MODCONFTMPFILE" "$MODCONFFILE"
 182 mv "$MODULESTMPFILE" "$MODULESFILE"
 183
 184 if [ $first_time -eq 1 ]; then
 185   /etc/init.d/modutils.sh || true
 186 fi
 187
 188 # We also call depmod here to stop insmod from complaining that modules.conf
 189 # is more recent then modules.dep
 190 #
 191 if [ -d "`depdir`" -a -f /proc/modules ]
 192 then
 193         depmod -A || true
 194 fi
 195
 196 exit 0
 197