lustre/kernel_patches/scripts/pstatus

   1 #!/bin/sh
   2
   3 # print out patch status.  Usage: pstatus [ patchfile ... ]
   4 #
   5 # Stephen Cameron <steve.cameron@hp.com>
   6 #
   7
   8 . patchfns >/dev/null || . /usr/lib/patch-scripts/patchfns >/dev/null || { \
   9         echo "Impossible to find my library 'patchfns'."
  10         echo "Check your install, or go to the right directory"
  11         exit 1
  12 }
  13
  14 if [ ! -f ./series ]
  15 then
  16         echo "./series does not exist." 1>&2
  17         exit 1
  18 fi
  19
  20 if [ ! -d ./patches ]
  21 then
  22         echo "Directory ./patches does not exist." 1>&2
  23         exit 1
  24 fi
  25
  26
  27 PATCHLIST="$*"
  28 if [ "$PATCHLIST" = "" ]
  29 then
  30         series_optimize=yes
  31         PATCHLIST=`cat series | sed -e 's/[.]patch[     ]*$//'`
  32         SORTSERIES=`mktemp /tmp/ser.XXXXXX` || exit 1
  33         SORTPATCHES=`mktemp /tmp/pat.XXXXXX` || exit 1
  34         sed -e 's/^[    ]//' -e 's/[.]patch[    ]*$//' < series | \
  35                 sort > $SORTSERIES
  36         exists="`echo $P/patches/*.patch 2>/dev/null`"
  37         if [ "$exists" != "$P/patches/*.patch" ]
  38         then
  39                 ls -1 $P/patches/*.patch | sed -e 's/^.*\/patches\///' \
  40                         -e 's/[.]patch[         ]*$//' | sort > $SORTPATCHES
  41                 PATCHLIST="$PATCHLIST"" `comm -1 -3 $SORTSERIES $SORTPATCHES`"
  42         fi
  43         rm -f $SORTPATCHES $SORTSERIES
  44 else
  45         series_optimize=no
  46 fi
  47
  48 NSERIES=`wc -l series | awk '{ print $1; }'`
  49 series=1
  50 for PATCH_NAME in $PATCHLIST
  51 do
  52         PATCH_NAME=$(stripit $PATCH_NAME)
  53         # see if this patch even exists
  54         if [ ! -f $P/patches/"$PATCH_NAME".patch ]
  55         then
  56                 echo "$PATCH_NAME does not exist."
  57                 continue
  58         fi
  59         # see if this patch is applied
  60         applied="-"
  61         if [ -f applied-patches ]
  62         then
  63                 grep '^'"$PATCH_NAME"'$' applied-patches > /dev/null
  64                 if [ "$?" = "0" ]
  65                 then
  66                         applied="a"
  67                 fi
  68         fi
  69
  70         # figure the status of this patch, that is,
  71         # if it needs changelog, pcpatch, refpatch
  72
  73         stat=""
  74         if [ ! -f $P/txt/"$PATCH_NAME".txt ]
  75         then
  76                 stat="changelog "
  77         fi
  78         if [ ! -f $P/pc/"$PATCH_NAME".pc ]
  79         then
  80                 stat="$stat""pcpatch "
  81         elif [ "$applied" != '-' ]
  82         then
  83                 rpatch=n
  84
  85                 # for each file this patch touches
  86                 for y in `cat $P/pc/"$PATCH_NAME".pc`
  87                 do
  88                         # is the patch adding the file?
  89                         if [ ! -e "$y"'~'"$PATCH_NAME" -a -f "$y" ]
  90                         then
  91                                 # file is newer than the patch?
  92                                 if [ "$y" -nt $P/patches/"$PATCH_NAME".patch ]
  93                                 then
  94                                         rpatch=y
  95                                         stat="$stat""refpatch "
  96                                         break
  97                                 fi
  98                         else
  99                                 # modified file is newer than the patch?
 100                                 if [ "$y"'~'"$PATCH_NAME" -nt \
 101                                         $P/patches/"$PATCH_NAME".patch ]
 102                                 then
 103                                         rpatch=y
 104                                         stat="$stat""refpatch "
 105                                         break
 106                                 fi
 107                                 if [ "`toppatch`" = "$PATCH_NAME" -a \
 108                                         "$y" -nt $P/patches/"$PATCH_NAME".patch ]
 109                                 then
 110                                         # toppatch, so check if the file
 111                                         # is newer than the patch?
 112                                         rpatch=y
 113                                         stat="$stat""refpatch "
 114                                         break
 115                                 fi
 116                         fi
 117                 done
 118         fi
 119         # check if they changed the changelog recently
 120         if [ "$rpatch" = "n" -a -f $P/txt/"$PATCH_NAME".txt \
 121                 -a $P/txt/"$PATCH_NAME".txt -nt \
 122                 $P/patches/"$PATCH_NAME".patch ]
 123         then
 124                 rpatch=y
 125                 stat="$stat""refpatch "
 126         fi
 127         if [ "$stat" != "" ]
 128         then
 129                 stat="Needs ""$stat"
 130         fi
 131
 132         if [ "$series_optimize" != "yes" ]
 133         then
 134                 # have to find the series number the hard way.
 135                 series=`grep -n '^'"$PATCH_NAME"'\.patch$' series |\
 136                         awk -F: '{ printf "%d", $1}' `
 137                 if [ "$series" = "" ]
 138                 then
 139                         series="?"
 140                 fi
 141         fi
 142
 143         echo "$series":"$applied":"$PATCH_NAME $stat"
 144
 145         if [ "$series_optimize" = "yes" ]
 146         then
 147                 if [ "$series" != "?" ]
 148                 then
 149                         series=`expr $series + 1`
 150                         if [ $series -gt $NSERIES ]
 151                         then
 152                                 series="?"
 153                         fi
 154                 fi
 155         fi
 156 done