Switching to date based versioning

.expeditor/config.yml

@@ -14,17 +14,11 @@ docker_images:
 github:
   # This deletes the GitHub PR branch after successfully merged into the release branch
   delete_branch_on_merge: true
-  # allow bumping the minor release via label
-  minor_bump_labels:
-    - "Expeditor: Bump Version Minor"
-  # allow bumping the major release via label
-  major_bump_labels:
-    - "Expeditor: Bump Version Major"
 # https://expeditor.chef.io/docs/getting-started/subscriptions/#merge-actions
 # The `merge_actions` key is a shortcut for the
 # `pull_request_merged:<GITHUB_REPO>:<RELEASE_BRANCH>:*` subscription.
 merge_actions:
-  - built_in:bump_version:
+  - bash:.expeditor/determine_version.sh:
       ignore_labels:
         - "Expeditor: Skip Version Bump"
         - "Expeditor: Skip All"

.expeditor/determine_version.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+# This gets run as a pre-commit hook just prior to a merge to
+# determine the new version number.
+
+# Leading zeros are not permitted in strict SemVer
+YEAR=`date +"%y" | sed -e 's/^0//'` # Must be < 256 per Microsoft
+MONTH=`date +"%m" | sed -e 's/^0//'`
+
+OLD_BUILD=`cut -f3 -d. < VERSION`
+
+NEW_BUILD=$(($OLD_BUILD + 1)) # Monotonically increase the build number
+
+echo $YEAR.$MONTH.$NEW_BUILD > VERSION

Dockerfile

@@ -4,7 +4,7 @@ LABEL maintainer="Chef Software, Inc. <docker@chef.io>"
 ARG EXPEDITOR_CHANNEL
 ARG CHANNEL=stable
 ARG EXPEDITOR_VERSION
-ARG VERSION=0.17.5
+ARG VERSION=20.4.1
 ENV DEBIAN_FRONTEND=noninteractive \
     PATH=/opt/chef-workstation/bin:/opt/chef-workstation/embedded/bin:/root/.chefdk/gem/ruby/2.6.0/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
 

VERSION

@@ -1 +1 @@
-0.17.28
+20.4.1