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pascal@1290
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1 # SliTaz package receipt.
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2
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3 PACKAGE="slitaz-loram-http"
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4 VERSION="1.5"
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5 CATEGORY="misc"
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6 SHORT_DESC="Rules to build low ram system using http."
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7 MAINTAINER="pascal.bellard@slitaz.org"
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8 WEB_SITE="http://www.slitaz.org/"
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9 DEPENDS="slitaz-boot-scripts tazlito httpfs-fuse funionfs"
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10
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11 # Rules to gen a SliTaz package suitable for Tazpkg.
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12 genpkg_rules()
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13 {
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14 mkdir -p $fs/etc/tazlito
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15 cp stuff/loram.* $fs/etc/tazlito
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16 }
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17
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18 set_patch()
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19 {
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20 local tag
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21 local line
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22 local len
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23 local i
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24 tag="Handle kernel cmdline parameter config"
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25 i=$(grep -n "$tag" $1/etc/init.d/rcS | cut -d: -f1)
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26 i=$(($i-1))
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27 len=72
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28 tag=$(grep "$tag" $1/etc/init.d/rcS)
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29 if [ "$2" = "-R" ]; then
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30 line="-$(($i-$len+2)),$len +$(($i-$len+2)),2"
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31 i="-"
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32 else
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33 grep -q 'from slitaz-loram-http package' $1/etc/init.d/rcS && return
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34 line="-$i,2 +$i,$len"
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35 i="+"
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36 fi
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37 busybox patch -p0 <<EOF
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38 --- $1/etc/init.d/rcS
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39 +++ $1/etc/init.d/rcS
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40 @@ $line @@
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41
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42 $i# Try to release http link (from slitaz-loram-http package)
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43 $i release_http()
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44 $i {
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45 $i FREEMEM=\$(free | awk '{ n = \$NF } END { print n }')
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46 $i if [ \$FREEMEM -gt \$(du -s \$FS | awk '{ print \$1+40000 }') ]; then
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47 $i status
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48 $i if ! grep -q " keep-loram" /proc/cmdline &&
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49 $i [ -d \$FS -o \$FREEMEM -gt \$(du -s \$FS | \\
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50 $i awk '{ print (\$1*4)+40000 }') ]; then
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51 $i echo -n "Extracting loram..."
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52 $i . /etc/tazlito/loram.extract /cdrom
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53 $i if status; then
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54 $i umount /cdrom && umount /cdrom
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55 $i rmdir /cdrom
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56 $i yes y | tazpkg remove slitaz-loram-http > /dev/null
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57 $i return 0
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58 $i fi
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59 $i fi
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60 $i echo -n "Loading /usr in memory..."
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61 $i cp -a \$FS /.usr.fs
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62 $i status
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63 $i echo -n "Releasing HTTP link..."
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64 $i umount /cdrom && umount /cdrom
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65 $i FS=/.usr.fs
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66 $i if [ -d \$FS ]; then
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67 $i rm -f /\$usr
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68 $i mv \$FS /usr
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69 $i fi
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70 $i fi
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71 $i return 1
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72 $i }
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73 $i
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74 $i# Mount /usr (from slitaz-loram-http package)
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75 $i while [ -d /cdrom ]; do
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76 $i /etc/init.d/network.sh
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77 $i RUN_SCRIPTS="\$(echo \$RUN_SCRIPTS | sed 's/network.sh//')"
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78 $i URLISO=http://mirror.slitaz.org/iso/\$(cat /etc/slitaz-release)/flavors/slitaz-loram-cdrom.iso,http://download.tuxfamily.org/slitaz/iso/\$(cat /etc/slitaz-release)/flavors/slitaz-loram-cdrom.iso,http://slitaz.c3sl.ufpr.br/iso/\$(cat /etc/slitaz-release)/flavors/slitaz-loram-cdrom.iso
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79 $i grep -q " urliso=" /proc/cmdline && URLISO=\$(cat /proc/cmdline | sed 's/.* urliso=\([^ ]*\).*/\1/'),\$URLISO
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80 $i for i in \$(echo \$URLISO | sed 's/,/ /g'); do
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81 $i /bin/httpfs \$i /cdrom && break
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82 $i done
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83 $i mount -o loop,ro /cdrom/*.iso /cdrom
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84 $i if [ -d /.usr.rw -a -x /bin/funionfs ]; then
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85 $i echo -n "Mounting /usr read-write... "
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86 $i usr=.usr.ro
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87 $i else
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88 $i echo -n "Mounting /usr read-only... "
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89 $i usr=usr
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90 $i fi
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91 $i FS=/cdrom/usr.cromfs
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92 $i if [ -f \$FS ]; then
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93 $i mkdir /\$usr
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94 $i release_http && break
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95 $i /bin/cromfs-driver \$FS /\$usr -o ro,dev,suid,allow_other
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96 $i elif [ -f /cdrom/usr.sqfs ]; then
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97 $i FS=/cdrom/usr.sqfs
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98 $i mkdir /\$usr
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99 $i release_http && break
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100 $i mount -o loop,ro -t squashfs \$FS /\$usr
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101 $i else
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102 $i FS=/cdrom/usr
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103 $i ln -s \$FS /\$usr
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104 $i fi
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105 $i status
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106 $i if [ -d /.usr.rw -a -x /bin/funionfs ]; then
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107 $i /bin/funionfs -o dirs=/.usr.ro=RO:/.usr.rw -o allow_other,nonempty -o suid,dev NONE /usr
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108 $i fi
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109 $i break
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110 $i done
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111 $i
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112 $tag
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113 EOF
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114 chmod 0755 $1/etc/init.d/rcS
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115 }
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116
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117 # Pre and post install commands for Tazpkg.
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118 pre_install()
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119 {
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120 local i
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121 for i in $(cd /var/lib/tazpkg/installed ; ls -d slitaz-loram* 2> /dev/null); do
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122 [ "$i" = "$PACKAGE" ] && continue
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123 yes y | tazpkg remove $i
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124 . /etc/tazlito/tazlito.conf
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125 rm -f $PACKAGES_REPOSITORY/slitaz-boot-scripts-*.tazpkg 2> /dev/null
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126 done
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127 }
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128
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129 post_install()
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130 {
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131 set_patch "$1"
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132
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133 # Don't support FAST_BOOT_X yet
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134 sed -i 's/FAST_BOOT_X=.*/FAST_BOOT_X="no"/' $1/etc/rcS.conf
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135
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136 cat <<EOF
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137 ----
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138 'tazlito gen-distro' will create a loram-http flavor
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139 while this package is installed.
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140 EOF
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141 if [ ! -x $1/bin/funionfs ]; then
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142 cat <<EOF
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143 ----
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144 You will build a live CD with /usr mounted read-only.
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145 You can install funionfs to have read-write access into /usr with:
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146
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147 # tazpkg get-install funionfs
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148
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149 EOF
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150 fi
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151 }
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152
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153 # Pre remove commands for Tazpkg.
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154 pre_remove()
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155 {
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156 set_patch '' -R
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157 cat <<EOF
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158 ----
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159 'tazlito gen-distro' will work as expected now.
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160 EOF
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161 }
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