b=22990 Script to update copyright on recently modified source files

Based on the original script by Andreas.

i=adilger
i=johann

diff --git a/build/updatecw.sh b/build/updatecw.sh
new file mode 100755 (executable)
index 0000000..4e3408e
--- /dev/null
+++ b/build/updatecw.sh
@@ -0,0 +1,50 @@
+#!/bin/bash
+# Update existing Sun copyright notices to Oracle copyright notices
+# Does not add copyright notices to files that are missing them
+#
+# Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+#
+
+TMP=${TMP:-/tmp}
+TMPFILE=$(mktemp $TMP/updatecopy.XXXXXX)
+NOW=$(date +%Y)
+
+SUNCOPY="Copyright.*Sun Micro.*"
+ORACOPY="Copyright.*Oracle.*"
+LECDATE="2010-02-15"
+ 
+git ls-files build ldiskfs libcfs lnet lustre snmp |grep -v ${0##*/} | while read FILE; do
+    # Pick only files that have changed since LECDATE
+    if [ -n "$(git log -n1 --since=$LECDATE  $FILE)" ]; then
+       OLDCOPY="$(egrep "$SUNCOPY|$ORACOPY" $FILE | sed 's/.*Copy/Copy/')"
+       if [ -z "$OLDCOPY" ]; then
+           case $FILE in
+               *.[ch]) echo "$FILE: no Copyright" && continue ;;
+               *) continue ;;
+           esac
+       else
+       # skip files that already have a copyright for this year
+           echo "$OLDCOPY" | grep -q "$NOW.*Oracle" && continue
+       fi
+
+       # Get commit dates
+       git log --follow --pretty=format:%ci $FILE | cut -d- -f1 > $TMPFILE
+       NEWYEAR=$(head -1 $TMPFILE)
+       OLDYEAR=$(tail -1 $TMPFILE)
+       rm $TMPFILE
+
+       [ $NEWYEAR == $OLDYEAR ] && YEAR="$NEWYEAR" || YEAR="$OLDYEAR, $NEWYEAR"
+
+       NEWCOPY="Copyright (c) $YEAR, Oracle and/or its affiliates. All rights reserved."
+
+        # If the copyright isn't different (excluding whitespace), don't change it.
+       [ "$OLDCOPY" == "$NEWCOPY" ] && continue
+
+       [ ! -w $FILE ] && echo "Unable to write to $FILE" && exit 1
+
+       echo "$FILE: Copyright $YEAR"
+       sed -e "s#$ORACOPY#$NEWCOPY#" -e "s#$SUNCOPY#$NEWCOPY#" $FILE > $FILE.tmp
+       cp $FILE.tmp $FILE      # preserve owner/mode
+       rm $FILE.tmp
+    fi
+done