Merge pull request #61 from Flexiana/deploy-clojars

Add Clojars deployment

Author: narocath

.github/clojars_deploy.bb

@@ -0,0 +1,72 @@
+#!/usr/bin/env bb
+;; credits: https://github.com/mauricioszabo/clj-lib-deployer/blob/master/deploy-lein.bb
+
+(defn- get-project! []
+  (-> "project.clj"
+      slurp
+      edn/read-string
+      (nth 1)))
+
+(defn- get-version! []
+  (-> "project.clj"
+      slurp
+      edn/read-string
+      (nth 2)))
+
+(defn- can-deploy? []
+  (let [curr-version (get-version!)
+        status (:status (curl/get (str "https://clojars.org/" (get-project!)
+                                       "/versions/" (get-version!))
+                                  {:throw false}))]
+    (= 404 status)))
+
+(defn- tag-name [] (System/getenv "TAG"))
+
+(defn- decode-base64 [string]
+  (-> java.util.Base64
+      .getDecoder
+      (.decode string)))
+
+(defn run-shell-cmd [ & args]
+  (let [{:keys [exit out err] :as result} (apply shell/sh args)]
+    (when-not (zero? exit)
+      (println "ERROR running command\nSTDOUT:")
+      (println out "\nSTDERR:")
+      (println err)
+      (throw (ex-info "Error while runing shell command" {:status exit})))
+    result))
+
+(defn- import-gpg! []
+  (let [secret (System/getenv "GPG_SECRET_KEYS")
+        ownertrust (System/getenv "GPG_OWNERTRUST")]
+    (when-not (and secret ownertrust) (throw (ex-info "Can't find GPG keys!" {})))
+    (run-shell-cmd "gpg" "--import" :in (decode-base64 secret))
+    (run-shell-cmd "gpg" "--import-ownertrust" :in (decode-base64 ownertrust))))
+
+(defn deploy! []
+  (let [tag (not-empty (tag-name))]
+    (when-not (can-deploy?)
+      (throw (ex-info "Can't deploy this version - release version already exist on clojars"
+                      {:version (get-version!)})))
+
+    (when (some-> tag (str/replace-first #"v" "") (not= (get-version!)))
+      (throw (ex-info "Tag version mismatches with project.clj"
+                      {:tag-name tag
+                       :version (get-version!)})))
+
+    (if tag
+      (do
+        (import-gpg!)
+        (println "Deploying a release version"))
+      (do
+        (println "Deploying a snapshot version")
+        (run-shell-cmd "lein" "change" "version" "str" "\"-SNAPSHOT\"")))
+
+    (run-shell-cmd "lein" "change" ":deploy-repositories" "concat"
+              (pr-str [["releases" {:url "https://repo.clojars.org/"
+                                    :username :env/clojars_login
+                                    :password :env/clojars_password}]]))
+    (run-shell-cmd "lein" "deploy" "releases")
+    (println "Deploy was successful")))
+
+(deploy!)

.github/workflows/deploy.yml

@@ -0,0 +1,45 @@
+name: Push to Clojars
+
+on:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  push-to-clojars:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    
+    - name: Setup Clojure
+      uses: DeLaGuardo/[email protected]
+      with:
+        cli: '1.10.2.796'
+      
+    - name: Cache
+      uses: actions/[email protected]
+      with:
+        path: ~/.m2
+        key: m2-${{ hashFiles('project.clj') }}
+        restore-keys: |
+          m2-
+
+    - name: Setup babashka
+      run: |
+        curl -L  https://github.com/borkdude/babashka/releases/download/v0.2.5/babashka-0.2.5-linux-amd64.zip -o bb.zip
+        unzip bb.zip
+        chmod +x bb
+        sudo mv bb /usr/bin
+
+    - name: Set TAG env variable
+      run: echo "TAG=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
+
+    - name: Deploy to Clojars
+      env:
+        CLOJARS_LOGIN: ${{ secrets.CLOJARS_LOGIN }}
+        CLOJARS_PASSWORD: ${{ secrets.CLOJARS_PASSWORD }}
+        GPG_OWNERTRUST: ${{ secrets.GPG_OWNERTRUST }}
+        GPG_SECRET_KEYS: ${{ secrets.GPG_SECRET_KEYS }}
+        TAG: ${{ env.TAG }}
+      run: /usr/bin/bb ./.github/clojars_deploy.bb