build/updatecw.sh

   1 #!/bin/bash
   2 # Adds Whamcloud copyright notices to files modified by Whamcloud.
   3 # Does not add copyright notices to files that are missing them
   4 #
   5 # Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
   6 # Copyright (c) 2012, Intel Corporation.
   7 #
   8 TMP=${TMP:-/tmp}
   9 TMPFILE=$(mktemp $TMP/updatecopy.XXXXXX)
  10 EXCFILE=$(mktemp $TMP/excludecopy.XXXXXX)
  11 NOW=$(date +%Y)
  12 DIRS=${DIRS:-"build ldiskfs libcfs lnet lustre snmp lustre-iokit"}
  13 #Commits to exclude
  14 EXCLUDE=${EXCLUDE:-'e3a7c58aebafce40323db54bf6056029e5af4a70\n
  15 65701b4a30efdb695776bcf690a2b3cabc928da1\n
  16 f2a9374170e4522b9d2ac3b7096cf2912339d480\n
  17 3f90f344ae059b30e7d23e4fe554a985eb827b02\n
  18 320e014a2c93cb905637d178269b80847cb8d277\n
  19 cd8c65642f1c36b56ae74a0414a1f1f27337a662'}
  20
  21 XYRACOPY="Copyright.*Xyratex Technology Limited"
  22 ORACOPY1="Copyright.*Oracle.*"
  23 ORACOPY2="Use is subject to license terms."
  24 #Copyright we rewrite to the current version
  25 WHAMCOPY=${WHAMCOPY:-"Copyright.*Whamcloud,* Inc."}
  26 INTREPCOPY=${INTREPCOPY:-"Copyright.*Intel, Inc."}
  27 INTREPCOPY2=${INTREPCOPY2:-"Copyright.*Intel Corporation$"}
  28 #The current copyright
  29 INTCOPY=${INTCOPY:-"Copyright.*Intel Corporation."}
  30
  31 #Emails we assume ownership of
  32 AUTH_WHAM=${AUTH_WHAM:-".*@whamcloud.com"}
  33 AUTH_INT=${AUTH_INT:-".*@intel.com"}
  34
  35 #Post Oracle date
  36 START=${START:-"2010-06-01"}
  37 ECHOE=${ECHOE:-"echo -e"}
  38 [ "$($ECHOE foo)" = "-e foo" ] && ECHOE=echo
  39
  40 echo -e $EXCLUDE > $EXCFILE
  41
  42 git ls-files $DIRS | grep -v ${0##*/} | while read FILE; do
  43 #FILE=lustre/mdt/mdt_hsm.c
  44 #FILE=lustre/include/lustre_quota.h
  45         if [ "$FILE" == 'build/updatecw.sh' ]; then
  46                 echo $FILE": *** EDIT MANUALLY ***"
  47                 continue
  48         fi
  49
  50         NEEDCOPY=false
  51         # Pick only files that have changed since START
  52         git log --follow --since=$START --author=$AUTH_WHAM --author=$AUTH_INT\
  53                 --pretty=format:"%ai %H" $FILE | grep -v -f $EXCFILE |
  54                 cut -d- -f1 > $TMPFILE
  55         # Skip files not modified by $AUTHOR
  56         [ -s "$TMPFILE" ] || continue
  57
  58         OLDCOPY="$(egrep -e "$XYRACOPY|$ORACOPY1|$ORACOPY2|$WHAMCOPY|$INTCOPY"\
  59                         -e "$INTREPCOPY|$INTREPCOPY2" $FILE|tail -n1 | tr / .)"
  60
  61         if [ -z "$OLDCOPY" ]; then
  62                 case $FILE in
  63                         *.[ch]) echo "$FILE: ** INSPECT  **" && continue ;;
  64                         *) continue ;;
  65                 esac
  66         fi
  67         OLDCOPY=$(egrep "$WHAMCOPY|$INTCOPY|$INTREPCOPY|$INTREPCOPY2"\
  68                                                         $FILE|tail -n1|tr / .)
  69
  70         if [ -z "$(egrep "$INTCOPY|$INTREPCOPY|$INTERCOPY2|$WHAMCOPY"\
  71                                                         <<<"$OLDCOPY")" ];
  72         then
  73                 NEEDCOPY=true
  74                 OLDCOPY="$(egrep "$XYRACOPY|$ORACOPY1|$ORACOPY2" $FILE |
  75                                                         tail -n1 | tr / .)"
  76         elif [ -n "$(grep -e "$INTCOPY" <<<"$OLDCOPY")" ]; then
  77                 # Skip files that already have a copyright for this year
  78                 echo "$OLDCOPY" | grep -q "$NOW" && continue
  79         fi
  80
  81         # Get commit dates
  82         NEWYEAR=$(head -1 $TMPFILE)
  83         OLDYEAR=$(tail -1 $TMPFILE)
  84
  85         if [ "$NEWYEAR" -lt "$OLDYEAR" ]; then
  86                 echo "$FILE: ** YEAR INVERSION: INSPECT  **"
  87                 continue;
  88         fi
  89
  90         [ $NEWYEAR == $OLDYEAR ] && YEAR="$NEWYEAR" || YEAR="$OLDYEAR, $NEWYEAR"
  91         COMMENT=$(echo "$OLDCOPY" | sed -e "s/^\( *[^A-Z]*\) [A-Z].*/\1/")
  92         NEWCOPY=$(sed -e "s/^/$COMMENT /" -e "s/\.\*/ (c) $YEAR, /" <<<$INTCOPY)
  93
  94         # '.\"' as a COMMENT isn't escaped correctly
  95         if [ "$COMMENT" == ".\\\"" ]; then # add " to fix vim
  96                 echo "$FILE: *** EDIT MANUALLY ***"
  97                 continue
  98         fi
  99
 100         # If copyright is unchanged (excluding whitespace), we're done
 101         [ "$OLDCOPY" == "$NEWCOPY" ] && continue
 102
 103         [ ! -w $FILE ] && echo "Unable to write to $FILE" && exit 1
 104
 105         if $NEEDCOPY; then
 106                 echo "$FILE: Copyright $YEAR (new Copyright added)"
 107                 # Add a new copyright line after the existing copyright.
 108                 # Using a temporary file is ugly, but I couldn't get
 109                 # newlines into the substitution pattern for some reason,
 110                 # and this is not a performance-critical process.
 111                 $ECHOE "${COMMENT}\n${NEWCOPY}" > $TMPFILE
 112                 sed -e "/$OLDCOPY/r $TMPFILE" $FILE > $FILE.tmp
 113         else
 114                 echo "$FILE: Copyright $YEAR"
 115                 # Replace the old copyright line with a new copyright
 116                 sed -e "s/.*$INTREPCOPY/$NEWCOPY/" -e "s/.*$INTCOPY/$NEWCOPY/"\
 117                    -e "s/.*$INTREPCOPY2/$NEWCOPY/" -e "s/.*$WHAMCOPY/$NEWCOPY/"\
 118                                                         $FILE > $FILE.tmp
 119         fi
 120         [ -s $FILE.tmp ] && cp $FILE.tmp $FILE
 121         rm $FILE.tmp
 122 #exit
 123 done
 124 rm $TMPFILE