copyright updated

update-copyright.sh can be used to add copyright remarks for the current
year. It finds the authors who made a change in each file and adds/updates
their copyright remark. Intel employees are grouped under "Intel Corporation".

1 files changed, 50 insertions, 0 deletions

diff --git a/build/update-copyrights.sh b/build/update-copyrights.sh
new file mode 100755
index 00000000..39c34bc2
--- /dev/null
+++ b/build/update-copyrights.sh
@@ -0,0 +1,50 @@
+#! /bin/sh
+#
+# Usage: update-copyrights.sh "author" <files/dirs>
+
+currentyear=`date +%Y`
+oldyear=`expr $currentyear - 1`
+export currentyear oldyear author
+
+addcopyright () {
+    file="$1"
+    author="$2"
+
+    if grep -w "Copyright.*$currentyear.*$author" $file >/dev/null; then
+        # done
+        true
+    elif grep -w "Copyright.*-$oldyear $author" $file >/dev/null; then
+        # replace end year
+        perl -pi -e 's/-$ENV{oldyear} $ENV{author}/-$ENV{currentyear} $ENV{author}/' $file
+        echo updated: $author: $file
+    elif grep -w "Copyright.*$oldyear $author" $file >/dev/null; then
+        # add consecutive year
+        perl -pi -e 's/$ENV{oldyear} $ENV{author}/$ENV{oldyear}-$ENV{currentyear} $ENV{author}/' $file
+        echo updated: $author: $file
+    elif grep -w "Copyright.*$author" $file >/dev/null; then
+        # add separate year
+        perl -pi -e 's/(Copyright.*) $ENV{author}/$1, $ENV{currentyear} $ENV{author}/' $file
+        echo updated: $author: $file
+    elif grep -w "Copyright" $file >/dev/null; then
+        # add new line after the last copyright line
+        # -i doesn't work with reading all lines?
+        perl -e '$_ = join ("", <>); s/(.*)((^[ *#]*Copyright)[^\n]*)/$1$2\n$3 (C) $ENV{currentyear} $ENV{author}/ms; print;' \
+            $file >$file.bak && mv $file.bak $file && echo added: $author: $file ||
+            rm $file.bak && echo no copyright: $author: $file
+    else
+        echo skipped: $author: $file
+    fi
+}
+
+for file in `git ls-files "$@"`; do
+    git log --since=2009-01-01 --pretty='format:%ai: %an <%ae>' $file |
+        grep ^$currentyear |
+        sed -e 's/.*: //' |
+        sort -u |
+        while read author; do
+        case $author in *intel.com*)
+                author="Intel Corporation"
+        esac
+        addcopyright "$file" "$author"
+    done
+done