Attachment #5681 for bug #27786

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# unpack squashfs image
#

no_unsquashfs=yes

do_install()
{
    local img="$1";shift
    local dst="$1";shift
    local percent1=
    local unpacked=
    local free=
    local live_mount=
    local retval=0
    local blk_tot pct pct_prev dpct

if [ "x$no_unsquashfs" = "xyes" ] ; then

	    live_mount="$( mount | sed '/ type squashfs /!d; s/^.* on [ ]*\([^ ]\+\) type squashfs .*$/\1/')"
	    if [ "x$live_mount" = "x" ] ; then
		    do_notify_error "Can't find squashfs mount point"
		    return 1
	    fi
	    unpacked="$(du -sb ${live_mount} | sed 's,^[ ]*\([0-9]\+\).*$,\1,')"
	    if [ "x$unpacked" = "x" ] ; then
            	do_notify_error "Can't calculate unpacked squashfs size"
	        return 1
	    fi
    	    free=$(free_space "$dst")
    	    if [ $unpacked -gt $free ]; then
 	    	do_notify_error "No free space to unpack squashfs image"
	        return 1
	    fi
	    do_notify_stage install
           blk_tot=$[ ${unpacked} / 1024 ]
           tar cf - . --exclude=dev --exclude=mnt --exclude=proc --exclude=sys \
	    | { 
		cd ${dst}
		LANG=C LC_ALL=C tar xfvR - \
		| {
		   pct_prev=0 ; 
  		   while read dum blk dum  ; do
			blk=${blk/:/};
			pct=$[ $blk * 100 / $tot ];
			dpct=$[ $pct - $pct_prev ] ; 
			if test $dpct -ge 1 ; then
				pct_prev=$pct
				do_notify_status "$pct"
			fi
		   done
		  }
             }
	    mkdir -p -- ${dst}/{dev,mnt,proc,sys}

else # default:

    if ! [ -r "$img" ]; then
        do_notify_error "Can't read squashfs image $img"

    percent1="$((percent1/99))"

    # calculate size necessary for unpacked squashfs image
    unpacked=$(sqfs_size "$img")

    if [ -z "$unpacked" ]; then
        do_notify_error "Can't calculate unpacked squashfs size"
        return 1
    fi
   
    free=$(free_space "$dst")

    if [ $unpacked -gt $free ]; then
        do_notify_error "No free space to unpack squashfs image"


    do_notify_stage install

  { unsquashfs -force -no-progress -info -dest "$dst" "$img" 2>/dev/null ; retval=$? ; } |
    {
        local i=0
        local progress=0

             fi
        done
    }
    if [ $retval -ne 0 ] ; then
            do_notify_error "Can't read squashfs image $img"
            return 1
    fi
fi #end of unsquashfs ...

    # Set right perms on root directory of installed system
    chmod 0755 "$dst"

Return to bug 27786

Lines 83-93 Link Here

(-)/usr/lib/alterator/backend3/livecd-install.orig (-3 / +55 lines)
83	# unpack squashfs image	83	# unpack squashfs image
84	#	84	#
85		85
		86	no_unsquashfs=yes
		87
86	do_install()	88	do_install()
87	{	89	{
88	local img="$1";shift	90	local img="$1";shift
89	local dst="$1";shift	91	local dst="$1";shift
90	local percent1=	92	local percent1=
		93	local unpacked=
		94	local free=
		95	local live_mount=
		96	local retval=0
		97	local blk_tot pct pct_prev dpct
		98
		99	if [ "x$no_unsquashfs" = "xyes" ] ; then
		100
		101	live_mount="$( mount \| sed '/ type squashfs /!d; s/^.* on [ ]\([^ ]\+\) type squashfs .$/\1/')"
		102	if [ "x$live_mount" = "x" ] ; then
		103	do_notify_error "Can't find squashfs mount point"
		104	return 1
		105	fi
		106	unpacked="$(du -sb ${live_mount} \| sed 's,^[ ]\([0-9]\+\).$,\1,')"
		107	if [ "x$unpacked" = "x" ] ; then
		108	do_notify_error "Can't calculate unpacked squashfs size"
		109	return 1
		110	fi
		111	free=$(free_space "$dst")
		112	if [ $unpacked -gt $free ]; then
		113	do_notify_error "No free space to unpack squashfs image"
		114	return 1
		115	fi
		116	do_notify_stage install
		117	blk_tot=$[ ${unpacked} / 1024 ]
		118	tar cf - . --exclude=dev --exclude=mnt --exclude=proc --exclude=sys \
		119	\| {
		120	cd ${dst}
		121	LANG=C LC_ALL=C tar xfvR - \
		122	\| {
		123	pct_prev=0 ;
		124	while read dum blk dum ; do
		125	blk=${blk/:/};
		126	pct=$[ $blk * 100 / $tot ];
		127	dpct=$[ $pct - $pct_prev ] ;
		128	if test $dpct -ge 1 ; then
		129	pct_prev=$pct
		130	do_notify_status "$pct"
		131	fi
		132	done
		133	}
		134	}
		135	mkdir -p -- ${dst}/{dev,mnt,proc,sys}
		136
		137	else # default:
91		138
92	if ! [ -r "$img" ]; then	139	if ! [ -r "$img" ]; then
93	do_notify_error "Can't read squashfs image $img"	140	do_notify_error "Can't read squashfs image $img"
Lines 106-119 Link Here
106	percent1="$((percent1/99))"	146	percent1="$((percent1/99))"
107		147
108	# calculate size necessary for unpacked squashfs image	148	# calculate size necessary for unpacked squashfs image
109	local unpacked=$(sqfs_size "$img")	149	unpacked=$(sqfs_size "$img")
110		150
111	if [ -z "$unpacked" ]; then	151	if [ -z "$unpacked" ]; then
112	do_notify_error "Can't calculate unpacked squashfs size"	152	do_notify_error "Can't calculate unpacked squashfs size"
113	return 1	153	return 1
114	fi	154	fi
115		155
116	local free=$(free_space "$dst")	156	free=$(free_space "$dst")
117		157
118	if [ $unpacked -gt $free ]; then	158	if [ $unpacked -gt $free ]; then
119	do_notify_error "No free space to unpack squashfs image"	159	do_notify_error "No free space to unpack squashfs image"
Lines 122-128 Link Here
122		162
123	do_notify_stage install	163	do_notify_stage install
124		164
125	unsquashfs -force -no-progress -info -dest "$dst" "$img" 2>/dev/null \|	165	{ unsquashfs -force -no-progress -info -dest "$dst" "$img" 2>/dev/null ; retval=$? ; } \|
126	{	166	{
127	local i=0	167	local i=0
128	local progress=0	168	local progress=0
Lines 136-141 Link Here
136	fi	176	fi
137	done	177	done
138	}	178	}
		179	if [ $retval -ne 0 ] ; then
		180	do_notify_error "Can't read squashfs image $img"
		181	return 1
		182	fi
		183	fi #end of unsquashfs ...
139		184
140	# Set right perms on root directory of installed system	185	# Set right perms on root directory of installed system
141	chmod 0755 "$dst"	186	chmod 0755 "$dst"