Adding IBM license verification in check-local

This patch adds a script called check-IBM-license-header.sh
that will be used in Makefile.am, check-local target,
to verify if the copyright year is accurate with the
info presented in git log.

Signed-off-by: Daniel Henrique Barboza <[email protected]>

Author: danielhb

Makefile.am

@@ -69,10 +69,12 @@ check-local:
 	$(PEP8) --version
 	$(PEP8) --filename '*.py,*.py.in' --exclude="$(PEP8_BLACKLIST)" .
 	@if $(GIT) rev-parse &> /dev/null ; then                          \
-		echo "git diff verification ...";                         \
+		echo "Whitespace verification ...";                       \
 		$(GIT) diff --check ;                                     \
 		$(GIT) diff-tree --check                                  \
 			'4b825dc642cb6eb9a060e54bf8d69288fbee4904' HEAD ; \
+		echo "IBM copyright year verification ..." ;              \
+		./check-IBM-license-header.sh ;                           \
 	fi
 	@echo "Ok"
 

check-IBM-license-header.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+# Project Ginger
+#
+# Copyright IBM Corp, 2016
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+for FILE in $(git grep --cached -Il '' | \
+	grep -v '^check-IBM-license-header.sh' )
+do
+    FIRST=$(git log --pretty=format:%cd --date=short $FILE | cut -d - -f 1 | sort | uniq | head -1)
+    LAST=$(git log --pretty=format:%cd --date=short $FILE | cut -d - -f 1 | sort | uniq | tail -1)
+    if [ $FIRST -eq $LAST ]; then
+        sed -i s/" Copyright.*IBM.*"/" Copyright IBM Corp, "$FIRST/g $FILE
+    else
+        sed -i s/" Copyright.*IBM.*"/" Copyright IBM Corp, "$FIRST"-"$LAST/g $FILE
+    fi
+done