Add deploy script for Clojars (#27)

* Add deploy script for Clojars

[Fixes #22]

.github/workflows/deploy.yml

@@ -0,0 +1,44 @@
+name: Deploy
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  deploy:
+    runs-on: ubuntu-20.04
+    environment: Deployment
+    steps:
+    - uses: actions/checkout@v4.1.0
+      with:
+        fetch-depth: 0
+    - name: Prepare JDK 17
+      uses: actions/setup-java@v3
+      with:
+        java-version: 17
+        distribution: 'temurin'
+    - name: Setup Clojure
+      uses: DeLaGuardo/setup-clojure@12.1
+      with:
+        cli: 1.11.1.1413
+    - name: Restore cache
+      uses: actions/cache@v3
+      with:
+        path: |
+          ~/.m2/repository
+          ~/.gitlibs
+          ~/.deps.clj
+        key: v1-${{ hashFiles('./deps.edn') }}-deploy
+        restore-keys: |
+          v1-${{ hashFiles('./deps.edn') }}-
+          v1-
+    - name: Build Hawk
+      run: clojure -T:build jar
+      env:
+        GITHUB_SHA: ${{ env.GITHUB_SHA }}
+    - name: Deploy Hawk
+      run: clojure -T:build deploy
+      env:
+        CLOJARS_USERNAME: ${{ secrets.CLOJARS_USERNAME }}
+        CLOJARS_PASSWORD: ${{ secrets.CLOJARS_PASSWORD }}

VERSION

@@ -0,0 +1 @@
+0.1.x

build.clj

@@ -0,0 +1,114 @@
+;; Further info: https://clojure.org/guides/tools_build#_mixed_java_clojure_build
+
+(ns build
+  (:refer-clojure :exclude [compile])
+  (:require
+   [clojure.java.shell :as sh]
+   [clojure.string :as str]
+   [clojure.tools.build.api :as b]
+   [deps-deploy.deps-deploy :as dd]))
+
+(def lib 'io.github.metabase/hawk)
+(def github-url "https://github.com/metabase/hawk")
+(def scm-url    "git@github.com:metabase/hawk.git")
+
+(def version-template (str/trim (slurp "VERSION")))
+(assert (re-matches #"\d+\.\d+\.x" version-template))
+
+(def major-minor-version (str/replace version-template #"\.x$" ""))
+
+(defn sh [& args]
+  (let [{:keys [exit out]} (apply sh/sh args)]
+    (assert (zero? exit))
+    (str/trim out)))
+
+(defn- commits-since-version-changed []
+  (let [last-sha (sh "git" "log" "-1" "--format=%H" "--" "VERSION")]
+    (parse-long (sh "git" "rev-list" "--count" (str last-sha "..HEAD")))))
+
+(defn commit-number []
+  (if (= "master" (sh "git" "rev-parse" "--abbrev-ref" "HEAD"))
+    (commits-since-version-changed)
+    "9999-SNAPSHOT"))
+
+(def sha
+  (or (not-empty (System/getenv "GITHUB_SHA"))
+      (not-empty (-> (sh/sh "git" "rev-parse" "HEAD")
+                     :out
+                     str/trim))))
+
+(def version (str major-minor-version \. (commit-number)))
+(def target "target")
+(def class-dir (format "%s/classes" target))
+
+(def jar-file (format "target/%s-%s.jar" (name lib) version))
+
+(def basis (delay (b/create-basis {:project "deps.edn"})))
+
+(def pom-template
+  [[:description "It watches your code like a hawk!"]
+   [:url github-url]
+   [:licenses
+    [:license
+     [:name "Eclipse Public License"]
+     [:url "http://www.eclipse.org/legal/epl-v20.html"]]]
+   [:developers
+    [:developer
+     [:name "Cam Saul"]]
+    [:developer
+     [:name "John Cromartie"]]
+    [:developer
+     [:name "Nemanja Glumac"]]
+    [:developer
+     [:name "Cal Herries"]]
+    [:developer
+     [:name "Ngoc Khuat"]]
+    [:developer
+     [:name "Tim Macdonald"]]
+    [:developer
+     [:name "Case Nelson"]]
+    [:developer
+     [:name "Filipe Silva"]]
+    [:developer
+     [:name "Dan Sutton"]]
+    [:developer
+     [:name "Chris Truter"]]]
+   [:scm
+    [:url github-url]
+    [:connection (str "scm:git:" scm-url)]
+    [:developerConnection (str "scm:git:" scm-url)]
+    [:tag sha]]])
+
+(def default-options
+  {:lib       lib
+   :version   version
+   :jar-file  jar-file
+   :basis     @basis
+   :class-dir class-dir
+   :target    target
+   :src-dirs  ["src"]
+   :pom-data  pom-template})
+
+(defn clean [_]
+  (b/delete {:path target}))
+
+(defn jar [opts]
+  (println "\nStarting to build a JAR...")
+  (println "\tWriting pom.xml...")
+  (b/write-pom (merge default-options opts))
+  (println "\tCopying source...")
+  (b/copy-dir {:src-dirs   ["src" "resources"]
+               :target-dir class-dir})
+  (printf "\tBuilding %s...\n" jar-file)
+  (b/jar {:class-dir class-dir
+          :jar-file  jar-file})
+  (println "Done! 🦜"))
+
+
+(defn deploy [opts]
+  (let [opts (merge default-options opts)]
+    (printf "Deploying %s...\n" jar-file)
+    (dd/deploy {:installer :remote
+                :artifact  (b/resolve-path jar-file)
+                :pom-file  (b/pom-path (select-keys opts [:lib :class-dir]))})
+    (println "Deployed! 🦅")))

deps.edn

@@ -22,5 +22,11 @@
   {:exec-fn   mb.hawk.core/find-and-run-tests-cli
    :exec-args {:exclude-directories ["src" "resources"]}}
 
+  ;; clojure -T:build
+  :build
+  {:deps       {io.github.clojure/tools.build {:mvn/version "0.9.6"}
+                slipset/deps-deploy           {:mvn/version "0.2.1"}}
+   :ns-default build}
+
   :ci
   {:jvm-opts ["-Dhawk.mode" "cli/ci"]}}}