Set up auto-deploy (#58)

Author: slipset

.circleci/config.yml

@@ -2,12 +2,30 @@
 #
 # Check https://circleci.com/docs/2.0/language-clojure/ for more details
 #
-version: 2
+version: 2.1
+
+workflows:
+  build-deploy:
+    jobs:
+      - build:
+          filters:
+            tags:
+              only: /.*/
+
+      - deploy:
+          requires:
+            - build
+          filters:
+            tags:
+              only: /Release-.*/
+          context:
+            - CLOJARS_DEPLOY
+
 jobs:
   build:
     docker:
       # specify the version you desire here
-      - image: circleci/clojure:lein-2.7.1
+      - image: circleci/clojure:openjdk-8-lein-2.9.1
 
       # Specify service dependencies here if necessary
       # CircleCI maintains a library of pre-built images
@@ -40,4 +58,76 @@ jobs:
 
       # run tests!
       - run: lein test
+  deploy:
+    docker:
+      # specify the version you desire here
+      - image: circleci/clojure:openjdk-8-lein-2.9.1
+      # Specify service dependencies here if necessary
+      # CircleCI maintains a library of pre-built images
+      # documented at https://circleci.com/docs/2.0/circleci-images/
+      # - image: circleci/postgres:9.4
+
+    working_directory: ~/repo
+
+    environment:
+      LEIN_ROOT: "true"
+      # Customize the JVM maximum heap limit
+      JVM_OPTS: -Xmx3200m
+
+    steps:
+      - checkout
+
+      # Download and cache dependencies
+      - restore_cache:
+          keys:
+            - v1-dependencies-{{ checksum "project.clj" }}
+            # fallback to using the latest cache if no exact match is found
+            - v1-dependencies-
+
+      # Download and cache dependencies
+      - restore_cache:
+          keys:
+            - v1-dependencies-{{ checksum "project.clj" }}
+            # fallback to using the latest cache if no exact match is found
+            - v1-dependencies-
+
+      - run:
+         name: Install babashka
+         command: |
+           curl -s https://raw.githubusercontent.com/borkdude/babashka/master/install -o install.sh
+           sudo bash install.sh
+           rm install.sh
+      - run:
+          name: Install deployment-script
+          command: |
+            curl -s https://raw.githubusercontent.com/clj-commons/infra/main/deployment/circle-maybe-deploy.bb -o circle-maybe-deploy.bb
+            chmod a+x circle-maybe-deploy.bb
+
+      - run: lein deps
+
+      - run:
+          name: Setup GPG signing key
+          command: |
+            GNUPGHOME="$HOME/.gnupg"
+            export GNUPGHOME
+            mkdir -p "$GNUPGHOME"
+            chmod 0700 "$GNUPGHOME"
+
+              echo "$GPG_KEY" \
+               | base64 --decode --ignore-garbage \
+               | gpg --batch --allow-secret-key-import --import
+
+               gpg --keyid-format LONG --list-secret-keys
+
+      - save_cache:
+          paths:
+            - ~/.m2
+          key: v1-dependencies-{{ checksum "project.clj" }}
+      - run:
+         name: Deploy
+         command: |
+           GPG_TTY=$(tty)
+           export GPG_TTY
+           echo $GPG_TTY
+           ./circle-maybe-deploy.bb lein deploy clojars
 

project.clj

@@ -1,10 +1,15 @@
-(defproject clj-commons/iapetos "0.1.12"
+(defproject clj-commons/iapetos (or (System/getenv "PROJECT_VERSION") "0.1.12")
   :description "A Clojure Prometheus Client"
   :url "https://github.com/clj-commons/iapetos"
   :license {:name "MIT License"
             :url "https://opensource.org/licenses/MIT"
             :year 2019
             :key "mit"}
+  :deploy-repositories [["clojars" {:url "https://repo.clojars.org"
+                                    :username :env/clojars_username
+                                    :password :env/clojars_password
+                                    :sign-releases true}]]
+
   :dependencies [[org.clojure/clojure "1.10.3" :scope "provided"]
                  [io.prometheus/simpleclient "0.12.0"]
                  [io.prometheus/simpleclient_common "0.12.0"]