SliTaz Repositories

1 # SliTaz package receipt.

2

3 PACKAGE="slitaz-loram-http"

4 VERSION="1.6"

5 CATEGORY="misc"

6 SHORT_DESC="Rules to build low ram system using http."

7 MAINTAINER="pascal.bellard@slitaz.org"

8 WEB_SITE="http://www.slitaz.org/"

9 DEPENDS="slitaz-boot-scripts tazlito httpfs-fuse funionfs"

10

11 # Rules to gen a SliTaz package suitable for Tazpkg.

12 genpkg_rules()

13 {

14 mkdir -p $fs/etc/tazlito

15 cp stuff/loram.* $fs/etc/tazlito

16 }

17

18 set_patch()

19 {

20 local tag

21 local line

22 local len

23 local i

24 tag="Handle kernel cmdline parameter config"

25 i=$(grep -n "$tag" $1/etc/init.d/rcS | cut -d: -f1)

26 i=$(($i-1))

27 len=89

28 tag=$(grep "$tag" $1/etc/init.d/rcS)

29 if [ "$2" = "-R" ]; then

30 line="-$(($i-$len+2)),$len +$(($i-$len+2)),2"

31 i="-"

32 else

33 grep -q 'from slitaz-loram-http package' $1/etc/init.d/rcS && return

34 line="-$i,2 +$i,$len"

35 i="+"

36 fi

37 busybox patch -p0 <<EOF

38 --- $1/etc/init.d/rcS

39 +++ $1/etc/init.d/rcS

40 @@ $line @@

41

42 $i# Try to release http link (from slitaz-loram-http package)

43 $i release_http()

44 $i {

45 $i FREEMEM=\$(free | awk '{ n = \$NF } END { print n }')

46 $i if [ \$FREEMEM -gt \$(du -s \$FS | awk '{ print \$1+40000 }') ]; then

47 $i status

48 $i if ! grep -q " keep-loram" /proc/cmdline &&

49 $i [ -d \$FS -o \$FREEMEM -gt \$(du -s \$FS | \\

50 $i awk '{ print (\$1*4)+40000 }') ]; then

51 $i echo -n "Extracting loram..."

52 $i . /etc/tazlito/loram.extract /cdrom

53 $i if status; then

54 $i umount /cdrom && umount /cdrom

55 $i rmdir /cdrom

56 $i yes y | tazpkg remove slitaz-loram-http > /dev/null

57 $i return 0

58 $i fi

59 $i fi

60 $i echo -n "Loading /usr in memory..."

61 $i cp -a \$FS /.usr.fs

62 $i status

63 $i echo -n "Releasing HTTP link..."

64 $i umount /cdrom && umount /cdrom

65 $i FS=/.usr.fs

66 $i if [ -d \$FS ]; then

67 $i rm -f /\$usr

68 $i mv \$FS /usr

69 $i fi

70 $i fi

71 $i return 1

72 $i }

73 $i

74 $i# Mount /usr (from slitaz-loram-http package)

75 $i while [ -d /cdrom ]; do

76 $i /etc/init.d/network.sh

77 $i RUN_SCRIPTS="\$(echo \$RUN_SCRIPTS | sed 's/network.sh//')"

78 $i release=\$(cat /etc/slitaz-release)

79 $i iso1=iso/\$release/flavors/slitaz-\$release-loram-cdrom.iso

80 $i iso2=iso/\$release/flavors/slitaz-loram-cdrom.iso

81 $i URLISO=http://mirror.slitaz.org/\$iso1,http://mirror.slitaz.org/\$iso2,http://download.tuxfamily.org/slitaz/\$iso1,http://download.tuxfamily.org/slitaz/\$iso2,http://slitaz.c3sl.ufpr.br/\$iso1,http://slitaz.c3sl.ufpr.br/\$iso2

82 $i grep -q " urliso=" /proc/cmdline && URLISO=\$(cat /proc/cmdline | sed 's/.* urliso=\([^ ]*\).*/\1/'),\$URLISO

83 $i for i in \$(echo \$URLISO | sed 's/,/ /g'); do

84 $i /bin/httpfs \$i /cdrom && break

85 $i done

86 $i mount -o loop,ro /cdrom/*.iso /cdrom

87 $i if [ -d /.usr.rw -a -x /bin/funionfs ]; then

88 $i echo -n "Mounting /usr read-write... "

89 $i usr=.usr.ro

90 $i else

91 $i echo -n "Mounting /usr read-only... "

92 $i usr=usr

93 $i fi

94 $i FS=/cdrom/usr.cromfs

95 $i if [ -f \$FS ]; then

96 $i mkdir /\$usr

97 $i ln -s /usr/.moved /.moved

98 $i release_http && break

99 $i /bin/cromfs-driver \$FS /\$usr -o ro,dev,suid,allow_other

100 $i elif grep -q squashfs /etc/filesystems && [ -f /cdrom/usr.sqfs ]; then

101 $i FS=/cdrom/usr.sqfs

102 $i ln -s /usr/.moved /.moved

103 $i mkdir /\$usr

104 $i release_http && break

105 $i mount -o loop,ro -t squashfs \$FS /\$usr

106 $i elif grep -q squashfs /etc/filesystems && [ -f /cdrom/rootfs.gz ]; then

107 $i FS=/cdrom/rootfs.gz

108 $i ln -s /.rootfs /.moved

109 $i mkdir /.rootfs

110 $i release_http && break

111 $i mount -o loop,ro -t squashfs \$FS /.rootfs

112 $i ln -s /.rootfs/usr /\$usr

113 $i elif [ -d /cdrom/usr ]; then

114 $i FS=/cdrom/usr

115 $i ln -s /usr/.moved /.moved

116 $i rm -rf /\$usr && ln -s \$FS /\$usr

117 $i else

118 $i FS=/cdrom/fs/usr

119 $i ln -s /cdrom/fs /.moved

120 $i rm -rf /\$usr && ln -s \$FS /\$usr

121 $i fi

122 $i status

123 $i if [ -d /.usr.rw -a -x /bin/funionfs ]; then

124 $i /bin/funionfs -o dirs=/.usr.ro=RO:/.usr.rw -o allow_other,nonempty -o suid,dev NONE /usr

125 $i fi

126 $i break

127 $i done

128 $i

129 $tag

130 EOF

131 chmod 0755 $1/etc/init.d/rcS

132 }

133

134 # Pre and post install commands for Tazpkg.

135 pre_install()

136 {

137 local i

138 for i in $(cd /var/lib/tazpkg/installed ; ls -d slitaz-loram* 2> /dev/null); do

139 [ "$i" = "$PACKAGE" ] && continue

140 yes y | tazpkg remove $i

141 . /etc/tazlito/tazlito.conf

142 rm -f $PACKAGES_REPOSITORY/slitaz-boot-scripts-*.tazpkg 2> /dev/null

143 done

144 }

145

146 post_install()

147 {

148 set_patch "$1"

149

150 # Don't support FAST_BOOT_X yet

151 sed -i 's/FAST_BOOT_X=.*/FAST_BOOT_X="no"/' $1/etc/rcS.conf

152

153 cat <<EOF

154 ----

155 'tazlito gen-distro' will create a loram-http flavor

156 while this package is installed.

157 EOF

158 if [ ! -x $1/bin/funionfs ]; then

159 cat <<EOF

160 ----

161 You will build a live CD with /usr mounted read-only.

162 You can install funionfs to have read-write access into /usr with:

163

164 # tazpkg get-install funionfs

165

166 EOF

167 fi

168 }

169

170 # Pre remove commands for Tazpkg.

171 pre_remove()

172 {

173 set_patch '' -R

174 cat <<EOF

175 ----

176 'tazlito gen-distro' will work as expected now.

177 EOF

178 }