contrib/scripts/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, 2013, 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 08aa217ce49aba1ded52e0f7adb8a607035123fd\n
  20 2841be335687840cf98961e6c6cde6ee9312e4d7\n
  21 cd8c65642f1c36b56ae74a0414a1f1f27337a662'}
  22
  23 XYRACOPY="Copyright.*Xyratex Technology Limited"
  24 ORACOPY1="Copyright.*Oracle.*"
  25 ORACOPY2="Use is subject to license terms."
  26 #Copyright we rewrite to the current version
  27 WHAMCOPY=${WHAMCOPY:-"Copyright.*Whamcloud,* Inc."}
  28 INTREPCOPY=${INTREPCOPY:-"Copyright.*Intel, Inc."}
  29 INTREPCOPY2=${INTREPCOPY2:-"Copyright.*Intel Corporation$"}
  30 #The current copyright
  31 INTCOPY=${INTCOPY:-"Copyright.*Intel Corporation."}
  32
  33 #Emails we assume ownership of
  34 AUTH_WHAM=${AUTH_WHAM:-".*@whamcloud.com"}
  35 AUTH_INT=${AUTH_INT:-".*@intel.com"}
  36
  37 #Post Oracle date
  38 START=${START:-"2010-06-01"}
  39 ECHOE=${ECHOE:-"echo -e"}
  40 [ "$($ECHOE foo)" = "-e foo" ] && ECHOE=echo
  41
  42 echo -e $EXCLUDE > $EXCFILE
  43
  44 git ls-files $DIRS | grep -v ${0##*/} | while read FILE; do
  45         if [ "$FILE" == 'contrib/scripts/updatecw.sh' ]; then
  46                 echo $FILE": *** EDIT MANUALLY ***"
  47                 continue
  48         fi
  49
  50         NEEDCOPY=false
  51         # Pick only files that have changed since START
  52         # %ai author dates holds has bad data:  April 2013
  53         git log --follow --since=$START --pretty=format:"%ae %ci %H" $FILE |\
  54                 grep -v -f $EXCFILE |\
  55                 awk "/$AUTH_WHAM|$AUTH_INT/ {print substr(\$2,1,4)}"> $TMPFILE
  56
  57         # Skip files not modified by $AUTHOR
  58         [ -s "$TMPFILE" ] || continue
  59
  60         OLDCOPY="$(egrep -e "$XYRACOPY|$ORACOPY1|$ORACOPY2|$WHAMCOPY|$INTCOPY"\
  61                         -e "$INTREPCOPY|$INTREPCOPY2" $FILE|tail -n1 | tr / .)"
  62
  63         if [ -z "$OLDCOPY" ]; then
  64                 case $FILE in
  65                         *.[ch]) echo "$FILE: ** INSPECT  **" && continue ;;
  66                         *) continue ;;
  67                 esac
  68         fi
  69         OLDCOPY=$(egrep "$WHAMCOPY|$INTCOPY|$INTREPCOPY|$INTREPCOPY2"\
  70                                                         $FILE|tail -n1|tr / .)
  71
  72         if [ -z "$(egrep "$INTCOPY|$INTREPCOPY|$INTERCOPY2|$WHAMCOPY"\
  73                                                         <<<"$OLDCOPY")" ];
  74         then
  75                 NEEDCOPY=true
  76                 OLDCOPY="$(egrep "$XYRACOPY|$ORACOPY1|$ORACOPY2" $FILE |
  77                                                         tail -n1 | tr / .)"
  78         elif [ -n "$(grep -e "$INTCOPY" <<<"$OLDCOPY")" ]; then
  79                 # Skip files that already have a copyright for this year
  80                 echo "$OLDCOPY" | grep -q "$NOW" && continue
  81         fi
  82
  83         # Get commit dates
  84         NEWYEAR=$(head -1 $TMPFILE)
  85         OLDYEAR=$(tail -1 $TMPFILE)
  86
  87         if [ "$NEWYEAR" -lt "$OLDYEAR" ]; then
  88                 echo "$FILE: ** YEAR INVERSION: INSPECT  **"
  89                 continue;
  90         fi
  91
  92         [ $NEWYEAR == $OLDYEAR ] && YEAR="$NEWYEAR" || YEAR="$OLDYEAR, $NEWYEAR"
  93         COMMENT=$(echo "$OLDCOPY" | sed -e "s/^\( *[^A-Z]*\) [A-Z].*/\1/")
  94         NEWCOPY=$(sed -e "s/^/$COMMENT /" -e "s/\.\*/ (c) $YEAR, /" <<<$INTCOPY)
  95
  96         # '.\"' as a COMMENT isn't escaped correctly
  97         if [ "$COMMENT" == ".\\\"" ]; then # add " to fix vim
  98                 echo "$FILE: *** EDIT MANUALLY ***"
  99                 continue
 100         fi
 101
 102         # If copyright is unchanged (excluding whitespace), we're done
 103         [ "$OLDCOPY" == "$NEWCOPY" ] && continue
 104
 105         [ ! -w $FILE ] && echo "Unable to write to $FILE" && exit 1
 106
 107         if $NEEDCOPY; then
 108                 echo "$FILE: Copyright $YEAR (new Copyright added)"
 109                 # Add a new copyright line after the existing copyright.
 110                 # Using a temporary file is ugly, but I couldn't get
 111                 # newlines into the substitution pattern for some reason,
 112                 # and this is not a performance-critical process.
 113                 $ECHOE "${COMMENT}\n${NEWCOPY}" > $TMPFILE
 114                 sed -e "/$OLDCOPY/r $TMPFILE" $FILE > $FILE.tmp
 115         else
 116                 echo "$FILE: Copyright $YEAR"
 117                 # Replace the old copyright line with a new copyright
 118                 sed -e "s/.*$INTREPCOPY/$NEWCOPY/" -e "s/.*$INTCOPY/$NEWCOPY/"\
 119                    -e "s/.*$INTREPCOPY2/$NEWCOPY/" -e "s/.*$WHAMCOPY/$NEWCOPY/"\
 120                                                         $FILE > $FILE.tmp
 121         fi
 122         [ -s $FILE.tmp ] && cp $FILE.tmp $FILE
 123         rm $FILE.tmp
 124 #exit
 125 done
 126 rm $TMPFILE