Add script for version/copyright updates

builds/release-helper.sh

@@ -0,0 +1,57 @@
+#!/bin/bash
+
+# release-helper.sh - maintainer utility script to change
+# the library version and update all copyright dates
+# by carstene1ns 2020, released under the MIT license
+
+year=$(date +%Y)
+version=$1
+
+if [[ ! -z $version ]]; then
+
+  if [[ ! $version =~ ^[0-9]\.[0-9]\.[0-9]$ ]]; then
+
+    echo "Invalid version argument. Only digits and dots allowed."
+    exit 1
+
+  fi
+
+  echo "Updating Version in:"
+
+  echo "  CMakeLists.txt"
+  sed -i "/liblcf VERSION/,1 s/[0-9]\.[0-9]\.[0-9]/$version/" CMakeLists.txt
+
+  echo "  configure.ac"
+  sed -i "/AC_INIT/,1 s/[0-9]\.[0-9]\.[0-9]/$version/" configure.ac
+
+  echo "  README.md"
+  sed -i "s/\(liblcf-\)[0-9]\.[0-9]\.[0-9]/\1$version/g" README.md
+
+else
+
+  echo "No new version argument, only updating copyright years!"
+
+fi
+
+echo "Updating License…"
+sed -i "1,1 s/2014-2[0-9][0-9][0-9]/2014-$year/" COPYING
+
+# update copyright years, but filter out external sources
+echo "Updating source files…"
+
+find src tests -maxdepth 1 -type f \
+    -a \( -name "*.h" -o -name "*.cpp" \) \
+    -a \! \( -name "ini*" -o -name "doctest*" \) \
+  -exec sed -i "/liblcf\. Copyright/,1 s/2[0-9][0-9][0-9]/$year/" {} +
+
+# updating header for generated source files
+grep -q "liblcf\. Copyright.*$year" generator/templates/copyright.tmpl ||
+  echo " -> You need to run the generator."
+sed -i "/liblcf\. Copyright/,1 s/2[0-9][0-9][0-9]/$year/" generator/templates/copyright.tmpl
+
+cat << EOF
+
+If everything is ready and committed, use these commands to publish the git tag:
+$ git tag -a (-s) $version -m "Codename \"\fancy codename\""
+$ git push (-n) --tags upstream
+EOF