- bring in akpm's patch management scripts and a first cut at

[fs/lustre-release.git] / lustre / kernel_patches / scripts / pstatus

diff --git a/lustre/kernel_patches/scripts/pstatus b/lustre/kernel_patches/scripts/pstatus
new file mode 100755 (executable)
index 0000000..f735d8d
--- /dev/null
+++ b/lustre/kernel_patches/scripts/pstatus
@@ -0,0 +1,156 @@
+#!/bin/sh
+
+# print out patch status.  Usage: pstatus [ patchfile ... ]
+#
+# Stephen Cameron <steve.cameron@hp.com>
+#
+
+. patchfns >/dev/null || . /usr/lib/patch-scripts/patchfns >/dev/null || { \
+       echo "Impossible to find my library 'patchfns'."
+       echo "Check your install, or go to the right directory"
+       exit 1
+}
+
+if [ ! -f ./series ]
+then
+       echo "./series does not exist." 1>&2
+       exit 1
+fi
+
+if [ ! -d ./patches ]
+then
+       echo "Directory ./patches does not exist." 1>&2
+       exit 1
+fi
+
+
+PATCHLIST="$*"
+if [ "$PATCHLIST" = "" ]
+then
+       series_optimize=yes
+       PATCHLIST=`cat series | sed -e 's/[.]patch[     ]*$//'`
+       SORTSERIES=`mktemp /tmp/ser.XXXXXX` || exit 1 
+       SORTPATCHES=`mktemp /tmp/pat.XXXXXX` || exit 1
+       sed -e 's/^[    ]//' -e 's/[.]patch[    ]*$//' < series | \
+               sort > $SORTSERIES 
+       exists="`echo $P/patches/*.patch 2>/dev/null`"
+       if [ "$exists" != "$P/patches/*.patch" ]
+       then
+               ls -1 $P/patches/*.patch | sed -e 's/^.*\/patches\///' \
+                       -e 's/[.]patch[         ]*$//' | sort > $SORTPATCHES
+               PATCHLIST="$PATCHLIST"" `comm -1 -3 $SORTSERIES $SORTPATCHES`"
+       fi
+       rm -f $SORTPATCHES $SORTSERIES
+else
+       series_optimize=no
+fi
+
+NSERIES=`wc -l series | awk '{ print $1; }'`
+series=1
+for PATCH_NAME in $PATCHLIST 
+do
+       PATCH_NAME=$(stripit $PATCH_NAME)
+       # see if this patch even exists
+       if [ ! -f $P/patches/"$PATCH_NAME".patch ]
+       then
+               echo "$PATCH_NAME does not exist."
+               continue
+       fi
+       # see if this patch is applied
+       applied="-"
+       if [ -f applied-patches ]
+       then 
+               grep '^'"$PATCH_NAME"'$' applied-patches > /dev/null
+               if [ "$?" = "0" ]
+               then
+                       applied="a"
+               fi
+       fi
+
+       # figure the status of this patch, that is, 
+       # if it needs changelog, pcpatch, refpatch
+
+       stat=""
+       if [ ! -f $P/txt/"$PATCH_NAME".txt ]
+       then
+               stat="changelog "
+       fi
+       if [ ! -f $P/pc/"$PATCH_NAME".pc ]
+       then
+               stat="$stat""pcpatch "
+       elif [ "$applied" != '-' ]
+       then
+               rpatch=n
+
+               # for each file this patch touches
+               for y in `cat $P/pc/"$PATCH_NAME".pc`
+               do
+                       # is the patch adding the file?
+                       if [ ! -e "$y"'~'"$PATCH_NAME" -a -f "$y" ]
+                       then
+                               # file is newer than the patch?
+                               if [ "$y" -nt $P/patches/"$PATCH_NAME".patch ]
+                               then
+                                       rpatch=y
+                                       stat="$stat""refpatch "
+                                       break
+                               fi
+                       else
+                               # modified file is newer than the patch?
+                               if [ "$y"'~'"$PATCH_NAME" -nt \
+                                       $P/patches/"$PATCH_NAME".patch ]
+                               then
+                                       rpatch=y
+                                       stat="$stat""refpatch "
+                                       break
+                               fi
+                               if [ "`toppatch`" = "$PATCH_NAME" -a \
+                                       "$y" -nt $P/patches/"$PATCH_NAME".patch ]
+                               then
+                                       # toppatch, so check if the file 
+                                       # is newer than the patch?
+                                       rpatch=y
+                                       stat="$stat""refpatch "
+                                       break
+                               fi
+                       fi
+               done
+       fi
+       # check if they changed the changelog recently
+       if [ "$rpatch" = "n" -a -f $P/txt/"$PATCH_NAME".txt \
+               -a $P/txt/"$PATCH_NAME".txt -nt \
+               $P/patches/"$PATCH_NAME".patch ]
+       then
+               rpatch=y
+               stat="$stat""refpatch "
+       fi
+       if [ "$stat" != "" ]
+       then
+               stat="Needs ""$stat"
+       fi
+
+       if [ "$series_optimize" != "yes" ]
+       then
+               # have to find the series number the hard way.
+               series=`grep -n '^'"$PATCH_NAME"'\.patch$' series |\
+                       awk -F: '{ printf "%d", $1}' `
+               if [ "$series" = "" ]
+               then
+                       series="?"
+               fi
+       fi
+
+       echo "$series":"$applied":"$PATCH_NAME $stat"
+
+       if [ "$series_optimize" = "yes" ]
+       then
+               if [ "$series" != "?" ]
+               then
+                       series=`expr $series + 1`
+                       if [ $series -gt $NSERIES ]
+                       then 
+                               series="?"
+                       fi
+               fi
+       fi
+done