Add update_version.sh

Author: Amir Tocker

tools/update_version.sh

@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+
+current_version=`grep -oiP "(?<=VERSION \= \')([0-9.]+)(?=\')" setup.py`
+current_version_re=${current_version//./\\.}
+
+function last_changelog
+{
+  pcregrep -M --match-limit=0 "1\.7\.0 / \d{4}-\d\d-\d\d\n==================\n\n[^=]+\d+\.\d+\.\d+ / \d{4}-\d\d-\d\d\n==================" CHANGELOG.md | tail -n +4| head -n -3
+}
+function usage
+{
+      echo "Usage: $0 [parameters]"
+      echo "      -v | --version <version>"
+      echo "      -d | --dry-run"
+      echo
+      echo "For example: $0 -v 1.9.2"
+
+}
+
+dry=
+
+while [ "$1" != "" ]; do
+    case $1 in
+        -v | --version )        shift
+                                new_version=$1
+                                ;;
+        -d | --dry-run )        dry=1
+                                ;;
+        -h | --help )           usage
+                                exit
+                                ;;
+        * )                     usage
+                                exit 1
+    esac
+    shift
+done
+
+if [ -n "$dry" ]; then
+  echo_cmd=echo
+  echo "Dry run"
+else
+  echo_cmd= 
+fi
+
+echo "Current version is $current_version"
+if [ -n "$new_version" ]; then
+    echo "New version $new_version"
+    $echo_cmd sed -e "s/${current_version_re}/${new_version}/g" -i "" cloudinary/__init__.py
+    $echo_cmd sed -e "s/${current_version_re}/${new_version}/g" -i "" setup.py
+    $echo_cmd git changelog -t $new_version
+else
+    usage
+    exit
+fi
+