add get_tag script to set proper version

Author: ppodbielski-cloudentity

CHANGELOG.md

@@ -1,8 +1,9 @@
-## [Unreleased]
+## [1.2.0] - 2020-05-20
 ### Added
 - acp-authz plugin
 - 'components' registry
 - authnId to Cloudentity AuthnCtx
+- add get_tag script
 
 ## [1.1.0] - 2020-04-21
 ### Added

Makefile

@@ -1,4 +1,5 @@
 CURRENT_VERSION	?= $(shell ./bin/get_version.sh)
+TAG             ?= $(shell ./bin/get_tag.sh)
 
 NO_COLOR         = \x1b[0m
 OK_COLOR         = \x1b[32;01m
@@ -12,4 +13,4 @@ standalone:
 
 docker: standalone
 	@echo -e "$(OK_COLOR) > building docker $(NO_COLOR)"
-	docker build -t cloudentity/pyron pyron-app --build-arg version=$(CURRENT_VERSION)
+	docker build -t cloudentity/pyron:$(TAG) pyron-app --build-arg version=$(CURRENT_VERSION)

bin/get_tag.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+set -ex
+
+type=$(git branch | grep "\\*" | cut -d ' ' -f2 | cut -d '/' -f1)
+
+if [ "$type" = "release" ] || [ "$type" = "hotfix" ] ; then
+  git branch | grep "\\*" | cut -d ' ' -f2 | cut -d '/' -f2
+elif [ "$type" = "master" ]; then
+  echo "master"
+elif git describe --contains 2> /dev/null; then
+  exit 0
+else
+  echo "latest"
+fi
+