[clue-tech] new thread -> RedHat RHEL kernel

[mike havlicek]

The moveon functon does not work due to a racing
condition in the sed scripts which are not included
here.

--- mike havlicek <mhavlicek1 at yahoo.com> wrote:

> #!/bin/bash
> 
>
##########################################################################
> #
> # Takes path to patches as argument
> #
>
##########################################################################
> #echo "$1"
> #exit
> SPECFILE=/usr/src/redhat/SPECS/kernel-2.6.spec
>
##########################################################################
> moveon(){
> export PS3='Continue: '
> choices="Yes No"
> select selection in $choices; do
>     if [ $selection ]; then
>         if [ $selection = Yes ]; then
>             echo "Moving on"
>             break
>         else
>             echo "Aborting patches"
>             exit
>         fi
>     else
>         echo "Invalid"
>     fi
> done
> }
> 
>
##########################################################################
> buildcommand() {
> while read patchID switches; do
>     part[0]=$patchID
>     part[1]=$switches
> ################################
> # Using () rather than backticks
> # has caused problems here
> ################################
>     patchdef=`grep -i "${part[0]}:" $SPECFILE|cut -f
> 2
> -d" "`
>     patchfile="$PATCHPATH$patchdef"
>     if [ $patchfile != ${patchfile%.bz2} ] ; then
> #echo "$patchfile VS ${patchfile%.bz2}"
>         if [ -r $patchfile ] ; then
>             bzip2 -d $patchfile
>         fi
>         patchfile=${patchfile%.bz2}
>     fi
> 
> # Check if patch exists where we look and we have
> read
> permission
>     if [ -r $patchfile ] ; then
>
##########################################################################
> #
> # Simply do the Unix patch without using $command
> here
> #
>
##########################################################################
>         command="patch ${part[1]} < $patchfile"
>         echo $command
>         #patch ${part[1]} < $patchfile
>     else
>         echo "Error:"
>         echo "\"$patchdef\" unavailable."
>         sleep 1
>         #moveon
>         #exit
>     fi
> 
> 
> #    echo "${part[0]}"
> #    echo "${part[1]}"
> 
> done
> } #< testdata
> 
> 
> 
> ## Called as sed -nf <this file> $SPEC
> ## Extract order to apply patches from kernel spec
> file and how to patch.
> #/^#.*Alan/,/END.*APP/{
> #/^%/s/%//p
> #}
>
##########################################################################
> # Called as sed -nf sedscr2 $SPEC
> # Extract patch definitions
> #210,/END.*DEF/{
> #604d
> #s/: */=/p
> #}
> #
> #sed2=`sed -n '210,/END.*DEF/{604d}
>
##########################################################################
> #moveon
> if [ -z "$1" ] ; then
>     echo "Usage: ${0##*/} PATCHPATH"
> else
>     sed1=`sed -n '/^#.*Alan/,/END.*APP/{/^%/s/%//p}'
> $SPECFILE`
>     PATCHPATH="$1/"
>     # The following line works
>     echo "$sed1" | buildcommand
>     #read "$sed1" | buildcommand
> fi
> 
> 
> --- mike havlicek <mhavlicek1 at yahoo.com> wrote:
> 
> > I wrote a silly bash script that used Sed to strip
> > the
> > patch names from the spec file from the kernel
> srpm.
> > And apply them in correct order. 
> > 
> > -Mike
> > 
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> 
> 
> 
> 	
> 		
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