# HG changeset patch
# User Pascal Bellard <pascal.bellard@slitaz.org>
# Date 1219316426 0
# Node ID 755c0e3c3a5318ff0e64aa5357dd6a551f2ec4d3
# Parent  710881595f59d4b5ffde36a6dc9888600aad4ac6
Add slitaz-loram-http

diff -r 710881595f59 -r 755c0e3c3a53 slitaz-loram-http/receipt
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/slitaz-loram-http/receipt	Thu Aug 21 11:00:26 2008 +0000
@@ -0,0 +1,126 @@
+# SliTaz package receipt.
+
+PACKAGE="slitaz-loram-http"
+VERSION="1.0"
+CATEGORY="misc"
+SHORT_DESC="Rules to build low ram system using http."
+MAINTAINER="pascal.bellard@slitaz.org"
+WEB_SITE="http://www.slitaz.org/"
+DEPENDS="httpfs-fuse funionfs"
+
+# Rules to gen a SliTaz package suitable for Tazpkg.
+genpkg_rules()
+{
+    mkdir -p $fs/etc/tazlito
+    cp stuff/loram.* $fs/etc/tazlito
+}
+
+set_patch()
+{
+    local tag
+    local line
+    local i
+    tag="Handle kernel cmdline parameter config"
+    i=$(grep -n "$tag" $1/etc/init.d/rcS | cut -d: -f1)
+    i=$(($i-1))
+    tag=$(grep "$tag" $1/etc/init.d/rcS)
+    if [ "$2" = "-R" ]; then
+    	line="-$(($i-50)),52 +$(($i-50)),2"
+	i="-"
+    else
+        grep -q 'from slitaz-loram-http package' $1/etc/init.d/rcS && return
+    	line="-$i,2 +$i,52"
+	i="+"
+    fi
+    patch -p0 <<EOF
+--- $1/etc/init.d/rcS
++++ $1/etc/init.d/rcS
+@@ $line @@
+ 
+$i# Try to release http link (from slitaz-loram-http package)
+$i release_http()
+$i {
+$i	FREEMEM=\$(free | awk '{ n = \$NF } END { print n }')	
+$i	if [ \$FREEMEM -gt \$(du -s \$FS | awk '{ print \$1+40000 }') ]; then
+$i		status
+$i		echo -n "Loading /usr in memory..."
+$i		cp -a \$FS /.usr.fs
+$i		status
+$i		echo -n "Releasing HTTP link..."
+$i		umount /cdrom && umount /cdrom
+$i		FS=/.usr.fs
+$i		return 0
+$i	fi
+$i	return 1
+$i }
+$i
+$i# Mount /usr (from slitaz-loram-http package)
+$i if [ -d /cdrom ]; then
+$i	/etc/init.d/network.sh
+$i	RUN_SCRIPTS="\$(echo \$RUN_SCRIPTS | sed 's/network.sh//')"
+$i	/bin/httpfs http://mirror.slitaz.org/iso/$(cat /etc/slitaz-release)/flavors/slitaz-loram-cdrom.iso /cdrom
+$i	mount -o loop,ro /cdrom/*.iso /cdrom
+$i	if [ -d /.usr.rw -a -x /bin/funionfs ]; then
+$i		echo -n "Mounting /usr read-write... "
+$i		usr=.usr.ro
+$i	else
+$i		echo -n "Mounting /usr read-only... "
+$i		usr=usr
+$i	fi
+$i	FS=/cdrom/usr.cromfs
+$i	if [ -f \$FS ]; then
+$i		release_http
+$i		mkdir /\$usr
+$i		/bin/cromfs-driver \$FS /\$usr
+$i	elif [ -f /cdrom/usr.sqfs ]; then
+$i		FS=/cdrom/usr.sqfs
+$i		release_http
+$i		mkdir /\$usr
+$i		mount -o loop,ro -t squashfs \$FS /\$usr
+$i	else
+$i		FS=/cdrom/usr
+$i		ln -s \$FS /\$usr
+$i	fi
+$i	status 
+$i	if [ -d /.usr.rw -a -x /bin/funionfs ]; then
+$i		/bin/funionfs -o dirs=/.usr.ro=RO:/.usr.rw -o allow_other,nonempty NONE /usr
+$i	fi
+$i fi
+$i
+ $tag
+EOF
+    chmod 0755 $1/etc/init.d/rcS
+}
+
+# Pre and post install commands for Tazpkg.
+pre_install()
+{
+    local i
+    for i in $(cd /var/lib/tazpkg/installed ; ls -d slitaz-loram* 2> /dev/null); do
+        [ "$i" = "$PACKAGE" ] && continue
+        yes y | tazpkg remove $i
+        . /etc/tazlito/tazlito.conf
+	rm -f $PACKAGES_REPOSITORY/slitaz-boot-scripts-*.tazpkg 2> /dev/null
+    done
+}
+
+post_install()
+{
+    set_patch "$1"
+    if [ ! -x $1/bin/funionfs ]; then
+        cat <<EOF
+----
+You will build a live CD with /usr mounted read-only.
+You can install funionfs to have read-write access into /usr with:
+
+# tazpkg get-install funionfs
+
+EOF
+    fi
+}
+
+# Pre remove commands for Tazpkg.
+pre_remove()
+{
+    set_patch '' -R 
+}
diff -r 710881595f59 -r 755c0e3c3a53 slitaz-loram-http/stuff/loram.extract
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/slitaz-loram-http/stuff/loram.extract	Thu Aug 21 11:00:26 2008 +0000
@@ -0,0 +1,46 @@
+# remove link to cdrom
+[ -d cdrom ] && rmdir cdrom
+rm -f bin/vcsa2txt bin/awk bin/script bin/cut bin/readlink bin/du bin/free
+if [ -L usr ]; then
+	rm usr
+	cp -a $1/usr .
+fi
+packedfs="$1/usr.cromfs"
+if [ -f $packedfs ]; then
+	rmdir usr
+	rm -f bin/unmkcromfs
+	cp -a $1/unmkcromfs bin/unmkcromfs
+	bin/unmkcromfs $packedfs usr
+	[ "${packedfs%%/*}" = ".." ] && rm -f $packedfs
+	rm -f bin/cromfs-driver
+	cp -a $1/cromfs-driver bin/cromfs-driver
+fi
+packedfs="$1/usr.sqfs"
+if [ -f $packedfs ]; then
+	rmdir usr
+	sbin/unsquashfs -d usr $packedfs
+	[ "${packedfs%%/*}" = ".." ] && rm -f $packedfs
+fi
+if [ -d usr/.moved ]; then
+	( cd usr/.moved ; find * -print ) | \
+	while read file; do
+		[ -L "$file" ] || continue
+		rm -f "$file"
+		mv "usr/.moved/$file" "$file"
+	done
+	rm -rf usr/.moved
+fi
+for ii in lib/libz.so lib/libstdc++.so lib/libgcc_s.so; do
+	[ -e $ii ] && mv $ii* usr/lib/
+done
+if [ -L root ]; then
+	rm -f etc/keymap.conf etc/locale.conf etc/resolv.conf etc/TZ etc/motd
+	[ -d var/log.ORG  ] && mv -f var/log.ORG  var/log
+	[ -d var/run.ORG  ] && mv -f var/run.ORG  var/run
+	[ -d var/lock.ORG ] && mv -f var/lock.ORG var/lock
+	[ -d root.ORG     ] && mv -f root.ORG     root
+	rm -f media/cdrom
+	rmdir mnt/target
+	sed -i 's/CLEAN_UP_SYSTEM="no"/CLEAN_UP_SYSTEM="yes"/' etc/rcS.conf
+	sed -i 's/RUN_DAEMONS="/RUN_DAEMONS="slim /' etc/rcS.conf
+fi
diff -r 710881595f59 -r 755c0e3c3a53 slitaz-loram-http/stuff/loram.rootfs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/slitaz-loram-http/stuff/loram.rootfs	Thu Aug 21 11:00:26 2008 +0000
@@ -0,0 +1,40 @@
+echo "$(du -hs /usr | cut -f1) were used by /usr"
+lib/ld-*.so --list ./sbin/insmod | grep /usr/lib | cut -d\  -f3 | \
+while read ii; do
+  mv .${ii%%.so.*}.so* ./lib
+done
+for ii in /sbin /lib /bin; do
+  mkdir -p ./usr/.moved$ii
+  for j in e2fsprogs pcmciautils cpio syslinux-extra isapnptools ncurses \
+	   libcap; do
+    for k in $(grep -s ^$ii /var/lib/tazpkg/installed/$j/files.list) ; do
+      [ -f .$k ] || continue
+      mv .$k ./usr/.moved$k
+      ln -s /usr/.moved$k .$k 
+    done
+  done
+done
+k="$(ls /lib/libp*.so /lib/librt*)"
+[ -x /bin/funionfs ] && k=""
+for ii in /var/lib/tazpkg/installed /lib/modules/*/kernel/drivers/net \
+	  /lib/modules/*/kernel/sound /sbin/depmod /sbin/modinfo /bin/lsmod \
+	  /lib/libnss_[^d]* $k; do
+  [ -L .$ii ] && continue
+  j=$(dirname /usr/.moved$ii)
+  mkdir -p .$j
+  mv .$ii .$j
+  ln -s /usr/.moved$ii .$ii
+done
+echo "$(du -hs ./usr/.moved | cut -f1) have been moved into /usr"
+mv usr/bin/httpfs bin
+cp usr/lib/libfuse.so.2.* lib/libfuse.so.2
+mv usr/share/udhcpc/default.script .
+rm -rf usr
+mkdir -p usr/share/udhcpc
+mv default.script usr/share/udhcpc
+ln -s /cdrom/boot boot
+for ii in bin/vcsa2txt bin/awk bin/script bin/cut bin/readlink bin/du bin/free; do
+  ln -s busybox $ii
+done
+mkdir cdrom .usr.rw
+COMPRESSION="gzip"