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pascal@251
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1 # SliTaz package receipt.
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pascal@251
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2
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pascal@251
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3 PACKAGE="slitaz-loram-cdrom"
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pascal@1339
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4 VERSION="1.4"
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pascal@251
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5 CATEGORY="misc"
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pascal@251
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6 SHORT_DESC="Rules to build low ram system using cdrom."
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pascal@251
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7 MAINTAINER="pascal.bellard@slitaz.org"
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pankso@422
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8 WEB_SITE="http://www.slitaz.org/"
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pascal@1964
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9 DEPENDS="slitaz-boot-scripts tazlito"
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pascal@251
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10
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pascal@251
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11 # Rules to gen a SliTaz package suitable for Tazpkg.
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pascal@251
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12 genpkg_rules()
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pascal@251
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13 {
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pascal@251
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14 mkdir -p $fs/etc/tazlito
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pascal@370
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15 cp stuff/loram.* $fs/etc/tazlito
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pascal@251
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16 }
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pascal@251
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17
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pascal@377
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18 set_patch()
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pascal@251
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19 {
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pascal@370
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20 local tag
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pascal@370
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21 local line
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pascal@370
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22 local i
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pascal@370
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23 tag="Handle kernel cmdline parameter config"
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pascal@375
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24 i=$(grep -n "$tag" $1/etc/init.d/rcS | cut -d: -f1)
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pascal@370
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25 i=$(($i-1))
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pascal@375
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26 tag=$(grep "$tag" $1/etc/init.d/rcS)
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pascal@375
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27 if [ "$2" = "-R" ]; then
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pascal@3898
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28 line="-$(($i-60)),62 +$(($i-60)),2"
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pascal@370
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29 i="-"
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pascal@370
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30 else
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pascal@390
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31 grep -q 'from slitaz-loram-cdrom package' $1/etc/init.d/rcS && return
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pascal@3898
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32 line="-$i,2 +$i,62"
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pascal@370
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33 i="+"
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pascal@370
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34 fi
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pascal@377
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35 patch -p0 <<EOF
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pascal@375
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36 --- $1/etc/init.d/rcS
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pascal@375
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37 +++ $1/etc/init.d/rcS
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pascal@370
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38 @@ $line @@
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pascal@309
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39
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pascal@768
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40 $i# Try to release the cdrom (from slitaz-loram-cdrom package)
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pascal@768
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41 $i release_cdrom()
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pascal@768
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42 $i {
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pascal@768
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43 $i FREEMEM=\$(free | awk '{ n = \$NF } END { print n }')
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pascal@768
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44 $i if [ \$FREEMEM -gt \$(du -s \$FS | awk '{ print \$1+40000 }') ]; then
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pascal@768
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45 $i cp -a \$FS /.usr.fs
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pascal@768
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46 $i status
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pascal@768
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47 $i echo -n "Releasing CD-ROM..."
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pascal@768
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48 $i umount /cdrom
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pascal@768
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49 $i FS=/.usr.fs
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pascal@768
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50 $i return 0
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pascal@768
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51 $i fi
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pascal@768
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52 $i return 1
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pascal@768
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53 $i }
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pascal@768
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54 $i
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pascal@390
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55 $i# Mount /usr (from slitaz-loram-cdrom package)
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pascal@370
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56 $i if [ -d /cdrom ]; then
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pascal@3898
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57 $i DEVICE=/dev/cdrom
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pascal@3898
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58 $i DIR=
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pascal@3898
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59 $i if grep -q " loram=" /proc/cmdline; then
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pascal@3898
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60 $i DIR=\`cat /proc/cmdline | sed 's/.* loram=\([^ ]*\).*/\1/'\`
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pascal@3898
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61 $i DEVICE=\${DIR%,*}
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pascal@3898
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62 $i DIR=/\${DIR#*,}
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pascal@3898
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63 $i fi
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pascal@3898
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64 $i mount -o ro \$DEVICE /cdrom
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pascal@1884
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65 $i if [ -d /.usr.rw ]; then
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pascal@370
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66 $i echo -n "Mounting /usr read-write... "
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pascal@370
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67 $i usr=.usr.ro
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pascal@370
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68 $i else
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pascal@370
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69 $i echo -n "Mounting /usr read-only... "
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pascal@370
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70 $i usr=usr
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pascal@370
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71 $i fi
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pascal@3898
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72 $i FS=/cdrom\$DIR/usr.cromfs
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pascal@768
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73 $i if [ -f \$FS ]; then
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pascal@768
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74 $i release_cdrom
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pascal@1339
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75 $i /bin/cromfs-driver \$FS /\$usr -o ro,dev,suid,allow_other
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pascal@3898
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76 $i elif [ -f /cdrom\$DIR/usr.sqfs ]; then
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pascal@3898
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77 $i FS=/cdrom\$DIR/usr.sqfs
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pascal@768
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78 $i release_cdrom
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pascal@768
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79 $i mount -o loop,ro -t squashfs \$FS /\$usr
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pascal@768
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80 $i elif [ -L /\$usr ]; then
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pascal@3898
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81 $i FS=/cdrom\$DIR/usr
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pascal@768
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82 $i if release_cdrom; then
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pascal@768
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83 $i rm -f /\$usr
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pascal@768
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84 $i mv \$FS /usr
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pascal@768
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85 $i fi
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pascal@768
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86 $i else
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pascal@370
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87 $i umount /cdrom
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pascal@370
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88 $i false
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pascal@370
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89 $i fi
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pascal@370
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90 $i status
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pascal@1884
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91 $i if [ -d /.usr.rw ]; then
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pascal@1884
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92 $i if [ -x /bin/funionfs ]; then
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pascal@1884
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93 $i /bin/funionfs -o dirs=/.usr.ro=RO:/.usr.rw -o allow_other -o suid,dev NONE /usr
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pascal@1884
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94 $i else
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pascal@1891
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95 $i /bin/mount -t aufs -o br:/.usr.rw:/.usr.ro none /usr
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pascal@1884
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96 $i fi
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pascal@370
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97 $i fi
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pascal@370
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98 $i fi
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pascal@370
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99 $i
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pascal@370
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100 $tag
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pascal@251
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101 EOF
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pascal@780
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102 tag="/var/log/dmesg.log"
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pascal@780
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103 i=$(grep -n "$tag" $1/etc/init.d/rcS | cut -d: -f1)
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pascal@780
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104 i=$(($i-1))
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pascal@780
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105 tag=$(grep "$tag" $1/etc/init.d/rcS)
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pascal@780
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106 if [ "$2" = "-R" ]; then
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pascal@780
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107 line="-$(($i-7)),9 +$(($i-7)),2"
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pascal@780
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108 i="-"
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pascal@780
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109 else
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pascal@780
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110 line="-$i,2 +$i,9"
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pascal@780
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111 i="+"
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pascal@780
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112 fi
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pascal@780
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113 patch -p0 <<EOF
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pascal@780
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114 --- $1/etc/init.d/rcS
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pascal@780
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115 +++ $1/etc/init.d/rcS
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pascal@780
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116 @@ $line @@
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pascal@780
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117
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pascal@780
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118 $i# Build ramdisk if root=/dev/cdrom (from slitaz-loram-cdrom package)
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pascal@780
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119 $i if [ -L /root ]; then
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pascal@780
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120 $i mount -t tmpfs ramdisk /tmp
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pascal@780
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121 $i mkdir -p /tmp/log/lighttpd /tmp/run /tmp/lock
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pascal@780
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122 $i chown www.www /tmp/log/lighttpd
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pascal@780
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123 $i fi
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pascal@780
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124 $i
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pascal@780
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125 $tag
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pascal@780
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126 EOF
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pascal@375
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127 chmod 0755 $1/etc/init.d/rcS
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pascal@251
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128 }
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pascal@251
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129
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pascal@251
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130 # Pre and post install commands for Tazpkg.
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pascal@251
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131 pre_install()
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pascal@251
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132 {
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pascal@380
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133 local i
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pascal@380
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134 for i in $(cd /var/lib/tazpkg/installed ; ls -d slitaz-loram* 2> /dev/null); do
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pascal@380
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135 [ "$i" = "$PACKAGE" ] && continue
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pascal@380
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136 yes y | tazpkg remove $i
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pascal@1285
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137 . /etc/tazlito/tazlito.conf
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pascal@390
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138 rm -f $PACKAGES_REPOSITORY/slitaz-boot-scripts-*.tazpkg 2> /dev/null
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pascal@380
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139 done
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pascal@251
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140 }
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pascal@251
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141
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pascal@251
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142 post_install()
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pascal@251
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143 {
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pascal@380
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144 set_patch "$1"
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pascal@1884
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145 if [ ! -x $1/bin/funionfs -a ! -d $1/var/lib/tazpkg/installed/aufs ]; then
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pascal@371
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146 cat <<EOF
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pascal@390
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147 ----
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pascal@371
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148 You will build a live CD with /usr mounted read-only.
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pascal@1884
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149 You can install aufs or funionfs to have read-write access into /usr with:
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pascal@390
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150
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pascal@1884
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151 # tazpkg get-install aufs
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pascal@1884
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152 or
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pascal@371
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153 # tazpkg get-install funionfs
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pascal@390
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154
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pascal@371
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155 EOF
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pascal@371
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156 fi
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pascal@251
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157 }
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pascal@251
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158
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pascal@251
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159 # Pre remove commands for Tazpkg.
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pascal@251
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160 pre_remove()
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pascal@251
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161 {
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pascal@377
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162 set_patch '' -R
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pascal@251
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163 }
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