chore: adding prepare-release script

Makefile

@@ -13,6 +13,17 @@ default: help;   # default target
 DOCKER_RUN = docker run  --rm  -v ${FOLDER}:/work -w /work --entrypoint bash -lc python-poetry:latest -c
 
 IMAGE_NAME=python-poetry:latest
+IMAGE_RELEASER_NAME=release-changelog:latest
+
+prepare-release: build build-releaser ## Prepare release branch with changelog for given version
+	./release-script/prepare-release.sh
+	#docker build -t ${IMAGE_RELEASER_NAME} .
+.PHONY: build
+
+build-releaser: ## Build docker image for releaser
+	echo "Building Dockerfile"
+	docker build -f ./release-script/Dockerfile_changelog -t ${IMAGE_RELEASER_NAME} .
+.PHONY: build
 
 build: ## Build docker image
 	echo "Building Dockerfile"

release-script/Dockerfile_changelog

@@ -0,0 +1,7 @@
+FROM node:10.16.0-alpine@sha256:07897ec27318d8e43cfc6b1762e7a28ed01479ba4927aca0cdff53c1de9ea6fd
+
+RUN apk add git
+
+RUN npm i -g conventional-changelog-cli
+RUN npm i -g conventional-github-releaser
+

release-script/prepare-release.sh

@@ -0,0 +1,43 @@
+#!/bin/bash
+
+# stop if error
+set -e
+
+read -p 'Release version: ' version
+echo ${version} | grep v && echo "Version should be x.y.z (for example, 1.1.1, 2.0.0, ...)" && exit -1
+
+localDir=`readlink -f .`
+releaseDir="${localDir}/release-${version}"
+rm -rf ${releaseDir}
+mkdir ${releaseDir}
+cd $releaseDir
+
+echo "Cloning repo into tabnet"
+git clone -q [email protected]:dreamquark-ai/tabnet.git tabnet
+
+cd tabnet
+# Create release branch and push it
+git checkout -b release/${version}
+
+# Change version of package
+docker run --rm -v ${PWD}:/work -w /work python-poetry:latest poetry version ${version}
+# Add modified file
+git add pyproject.toml
+# Commit release
+git commit -m "chore: release v${version}"
+# Create tag for changelog generation
+git tag v${version}
+docker run -v ${PWD}:/work -w /work --entrypoint "" release-changelog:latest conventional-changelog -p angular -i CHANGELOG.md -s -r 0
+docker run -v ${PWD}:/work -w /work --entrypoint "" release-changelog:latest chmod 777 CHANGELOG.md
+# Removing 4 first line of the file
+echo "$(tail -n +4 CHANGELOG.md)" > CHANGELOG.md
+# Deleting tag 
+git tag -d v${version}
+# Adding CHANGELOG to commit
+git add CHANGELOG.md
+git commit --amend --no-edit
+# Push release branch
+git push origin release/${version}
+
+cd ${localDir}
+rm -rf ${releaseDir}