Adjust a release process: remove additional sembump dependency; updat…

…e release documentation with example, make it a bit shorter

CONTRIBUTING.md

@@ -94,20 +94,27 @@ number vor the tag.
 
 *Before pushing a tag*, the pyproject version needs to be bumped.
 
-1. Run `make changes` to review the merged PRs since last release.
+1. Run `make changes` to review the merged PRs since last release and decide what kind of release you are doing (bugfix, feature or breaking).
     * Review the tags on each PR and make sure they are categorized
       appropriately.
-2. Determine the bump type (major, minor, patch).
-3. Run `BUMP=(bugfix|feature|breaking) make bump_version` to update the `pydo`
+
+1. Run `BUMP=(bugfix|feature|breaking) make bump_version` to update the `pydo`
    version.
     * `BUMP` also accepts `(patch|minor|major)`
-4. Run `make generate` to update the version in the codebase.
-5. Make a pull request with this change. It should be separate from PRs
+    
+    Command example:
+    ```code
+    make BUMP=minor bump_version
+    ```
+1. Run `make generate` to update the version in the codebase. Make a pull request with this change. It should be separate from PRs
    containing changes to the library (including regenerated code).
-6. *Once the version bump PR has been pushed and merged*, tag the commit to trigger the
-   release workflow.
-   Run `make tag` to tag the latest commit and push the tag to ORIGIN.
+1. Once the version bump PR has been pushed and merged, tag the commit to trigger the
+   release workflow: run `make tag` to tag the latest commit and push the tag to ORIGIN.
+   
+   Notes:
     * To tag an earlier commit, run `COMMIT=${commit} make tag`.
     * To push the tag to a different remote, run `ORIGIN=${REMOTE} make tag`.
-7. Once the release process completes, review the draft release for correctness
-   and publish the release. Also, ensure the release has been marked `Latest`.
+1. Once the release process completes, review the draft release for correctness
+   and publish the release. 
+   
+   Ensure the release has been marked `Latest`.

Makefile

@@ -114,14 +114,8 @@ changes: _install_github_release_notes
 version:
 	@poetry version
 
-.PHONY: _install_sembump
-_install_sembump:
-	@echo "=> installing/updating sembump tool"
-	@echo ""
-	@GO111MODULE=off go get -u github.com/jessfraz/junk/sembump
-
 .PHONY: bump_version
-bump_version: _install_sembump ## Bumps the version
+bump_version: ## Bumps the version
 	@echo "==> BUMP=${BUMP} bump_version"
 	@echo ""
 	@ORIGIN=${ORIGIN} scripts/bumpversion.sh
@@ -130,4 +124,4 @@ bump_version: _install_sembump ## Bumps the version
 tag: ## Tags a release
 	@echo "==> ORIGIN=${ORIGIN} COMMIT=${COMMIT} tag"
 	@echo ""
-	@ORIGIN=${ORIGIN} scripts/tag.sh
+	@ORIGIN=${ORIGIN} scripts/tag.sh

scripts/bumpversion.sh

@@ -7,15 +7,23 @@ ORIGIN=${ORIGIN:-origin}
 # Bump defaults to patch. We provide friendly aliases
 # for patch, minor and major
 BUMP=${BUMP:-patch}
+
+poetry_version=$(poetry version)
+version="${poetry_version:5}"
+IFS='.' read -r major minor patch <<< "$version"
+
 case "$BUMP" in
   feature | minor)
-    BUMP="minor"
+    minor=$((minor + 1))
+    patch=0
     ;;
   breaking | major)
-    BUMP="major"
+    major=$((major + 1))
+    minor=0
+    patch=0
     ;;
   *)
-    BUMP="patch"
+    patch=$((patch + 1))
     ;;
 esac
 
@@ -27,10 +35,7 @@ elif [[ $(git status --porcelain -b | grep -e "ahead" -e "behind") != "" ]]; the
   exit 1
 fi  
 
-poetry_version=$(poetry version)
-version="${poetry_version:5}"
-new_version="$(sembump --kind "$BUMP" "$version")"
-
+new_version="$major.$minor.$patch"
 poetry version "${new_version#v}"
 
-echo ""
+echo ""