chore: add script: draft-changelog (#1071)

* chore: add script: draft-changelog

* fix: draft-changelog diff ref

Author: Kagashino

GNUmakefile

@@ -164,4 +164,7 @@ endif
 	ln -sf ../../../ext/providers/tencentcloud/website/tencentcloud.erb $(GOPATH)/src/github.com/hashicorp/terraform-website/content/source/layouts/tencentcloud.erb
 	@$(MAKE) -C $(GOPATH)/src/$(WEBSITE_REPO) website-provider-test PROVIDER_PATH=$(shell pwd) PROVIDER_NAME=$(PKG_NAME)
 
+changelog:
+	./scripts/draft-changelog.sh
+
 .PHONY: build sweep test testacc fmt fmtcheck lint tools test-compile doc hooks website website-lint website-test

scripts/draft-changelog.sh

@@ -0,0 +1,88 @@
+#!/bin/sh
+
+# this script can generate draft changelog instead of painful writing it
+# run with `make changelog` then copy it!
+
+version=""
+gitTag=$(git describe --tag --abbrev=0)
+IFS=. read -r major minor patch <<< "$gitTag"
+
+major=${major:1}
+
+type=$1
+
+if [[ -z $type ]]; then
+  read -r -p "Specify semver: major, minor, patch(default) " input
+
+  type=$input
+  if [[ -z $input ]]; then
+    type="patch"
+  fi
+fi
+
+case $type in
+v*)
+  version=$1
+  ;;
+major)
+  version="$((major + 1)).0.0"
+  ;;
+minor)
+  version="$major.$((minor + 1)).0"
+  ;;
+patch)
+  version="$major.$minor.$((patch+1))"
+esac
+
+diffs=$(git diff --name-only HEAD $gitTag | grep "tencentcloud/*")
+
+
+resource="^tencentcloud\/resource_tc_([a-z_]+)\.go$"
+data="^tencentcloud\/data_source_tc_([a-z_]+)\.go$"
+service="^tencentcloud\/service_([a-z_]+)\.go$"
+test="([a-z_]+)_test$"
+
+items=""
+
+
+for file in ${diffs}; do
+  module=""
+  fileType="resource"
+  if [[ $file =~ $resource ]]; then
+    module="tencentcloud_${BASH_REMATCH[1]}"
+  elif [[ $file =~ $data ]]; then
+    fileType="data source"
+    module="tencentcloud_${BASH_REMATCH[1]}"
+  elif [[ $file =~ $service ]]; then
+    module="tencentcloud_${BASH_REMATCH[1]}"
+  fi
+
+  if [[ $module =~ $test ]]; then
+    module=${BASH_REMATCH[1]}
+  fi
+  if [[ $module != "" ]]; then
+    item="* $fileType \`$module\`"
+    if [[ ! $items =~ "$item" ]]; then
+        items="$items\n$item"
+    fi
+  fi
+
+done
+
+LANG=en_US
+dateStr=$(date +"%B %d, %Y")
+
+template="
+## $version $dateStr
+\n
+\nFEATURES:
+\nDEPRECATED:
+\nENHANCEMENTS:
+\nBUGFIXES:
+\nCOMMON:
+\n
+$items
+\n
+"
+
+echo $template