[patch] ✨ Add edn opt

project.clj

@@ -9,7 +9,7 @@
                  [metosin/jsonista "0.2.2"]
                  [camel-snake-kebab "0.4.0"]
                  [io.quarkus/quarkus-jgit "1.1.0.CR1"]
-                 [org.martinklepsch/clj-http-lite "0.4.1"]]
+                 [org.martinklepsch/clj-http-lite "0.4.3"]]
   :profiles {:dev {:dependencies [[org.clojure/tools.namespace "0.2.11"]
                                   [orchestra "2019.02.06-1"]]
                    :source-paths ["dev"]}

src/gitwerk/command/clone.clj

@@ -3,8 +3,15 @@
    [clojure.spec.alpha :as spec]
    [gitwerk.external.git :as git]))
 
+(defn clone
+  [repo]
+  (let [res (git/clone repo)]
+    (if res
+      {:status 0}
+      {:status 1})))
+
 (defn run [ctx args]
   (case (count args)
-    1 (git/clone (first args))
-    (throw
-      (Exception. "'clone' takes one argument"))))
+    1 (clone (first args))
+    {:status 1
+     :console-out "'clone' takes one argument"}))

src/gitwerk/command/log.clj

@@ -4,6 +4,10 @@
    [gitwerk.external.git :as git]))
 
 (defn run [ctx args]
-  (-> (git/repo ".")
-      (git/logs)
-      (println)))
+  (let [res (-> (git/repo ".")
+                (git/logs))]
+    (if res
+      {:status 0
+       :console-out res}
+      {:status 1
+       :console-out "could not fetch logs"})))

src/gitwerk/command/semver.clj

@@ -5,7 +5,7 @@
    [gitwerk.external.git :as git]
    [gitwerk.service.semver :as semver]))
 
-(defn run [ctx args]
+(defn semver [ctx args]
   (let [semver-type (-> (first args)
                         (string/lower-case)
                         (keyword))
@@ -18,8 +18,15 @@
         (semver/latest-tag)
         (semver/str->version)
         (semver-func)
-        (semver/version->str)
-        (println))))
+        (semver/version->str))))
+
+(defn run [ctx args]
+  (let [res (semver ctx args)]
+    (if res
+      {:status 0
+       :console-out res}
+      {:status 1
+       :console-out "nothing updated"})))
 
 (comment
   (run {} ["patch"])

src/gitwerk/command/semver_auto.clj

@@ -6,8 +6,9 @@
    [gitwerk.service.semver :as semver]
    [gitwerk.service.semver-auto :as semver-auto]))
 
-(defn run [ctx args]
-  (let [repo (git/repo ".")
+(defn semver-auto
+  [repodir]
+  (let [repo (git/repo repodir)
         message (-> repo
                     (git/latest-log)
                     :full-message)
@@ -17,7 +18,21 @@
                 (semver/default-version-str))
         new-tag (semver-auto/semver-auto message tag)]
     (when (not (= tag new-tag))
-      (git/tag repo new-tag))))
+      (git/tag repo new-tag)
+      {:old tag
+       :new new-tag})))
+
+(defn run [ctx _]
+  (let [res (semver-auto ".")]
+    (if res
+      {:status 0
+       :console-out
+       {:status :updated
+        :old-version (:old res)
+        :new-version (:new res)}}
+      {:status 0
+       :console-out
+       {:status :not-updated}})))
 
 (comment
   (run {} []))

src/gitwerk/command/tag.clj

@@ -4,6 +4,10 @@
    [gitwerk.external.git :as git]))
 
 (defn run [ctx args]
-  (-> (git/repo ".")
-      (git/tags)
-      (println)))
+  (let [res (-> (git/repo ".")
+                (git/tags))]
+    (if res
+      {:status 0
+       :console-out res}
+      {:status 1
+       :console-out "could not fetch tags"})))

src/gitwerk/core.clj

@@ -4,33 +4,41 @@
    [clojure.tools.cli :as cli]
    [clojure.edn :as edn]
    [clojure.java.io :as io]
-   [camel-snake-kebab.core :as csk]
-   [gitwerk.command.clone :as command.clone]
-   [gitwerk.command.log :as command.log]
-   [gitwerk.command.semver :as command.semver]
-   [gitwerk.command.semver-auto :as command.semver-auto]
-   [gitwerk.command.tag :as command.tag])
+   [gitwerk.service.runner :as runner])
   (:gen-class))
 
 (def cli-header "Usage: gitwerk [command] [options]")
 (def cli-options
   [["-f" "--file PATH" "config"
     :id :config-filename
     :default "config.edn"]
+   ["-e" "--edn" :id :edn?]
    ["-d" "--debug" :id :debug?]
    ["-h" "--help" :id :help?]])
 
-(defn run
-  [{:keys [command args options summary] :as ctx}]
-  (case (csk/->kebab-case-keyword command)
-    :clone (command.clone/run ctx args)
-    :log (command.log/run ctx args)
-    :semver (command.semver/run ctx args)
-    :semver-auto (command.semver-auto/run ctx args)
-    :tag (command.tag/run ctx args)
-    (do
+(defn edn-output
+  [ctx res]
+  (println res))
+
+(defn std-output
+  [{:keys [summary] :as ctx}
+   {:keys [status invalid-arg? console-out]}]
+    (when console-out
+      (println console-out))
+    (when invalid-arg?
       (println cli-header)
-      (println summary))))
+      (println summary))
+    (if status
+      (System/exit status)
+      (System/exit 1)))
+
+(defn run
+  [{:keys [options] :as ctx}]
+  (let [{:keys [edn?]} options
+        res (runner/run ctx)]
+    (if edn?
+      (edn-output ctx res)
+      (std-output ctx res))))
 
 (defn main
   [{:keys [options summary arguments] :as parsed-result}]
@@ -51,6 +59,7 @@
         (cli/parse-opts cli-options)
         (main))
     (catch Exception e
-      (println (.getMessage e)))
+      (println (.getMessage e))
+      (System/exit 1))
     (finally
       (shutdown-agents))))

src/gitwerk/external/github.clj

@@ -2,3 +2,10 @@
  (:require
    [clojure.spec.alpha :as spec]
    [clj-http.lite.client :as http]))
+
+(defn call
+  ([url]
+   (call url nil))
+  ([url body]
+   (http/get url
+             {:body body})))

src/gitwerk/service/runner.clj

@@ -0,0 +1,29 @@
+(ns gitwerk.service.runner
+  (:require
+   [clojure.spec.alpha :as spec]
+   [camel-snake-kebab.core :as csk]
+   [gitwerk.command.clone :as command.clone]
+   [gitwerk.command.log :as command.log]
+   [gitwerk.command.semver :as command.semver]
+   [gitwerk.command.semver-auto :as command.semver-auto]
+   [gitwerk.command.tag :as command.tag]))
+
+(defn dispatch
+  [{:keys [args] :as ctx} cmd]
+  (let [default (fn [_ _]
+                  {:status 1
+                   :invalid-arg? true})
+        cmd (case cmd
+              :clone command.clone/run
+              :log command.log/run
+              :semver command.semver/run
+              :semver-auto command.semver-auto/run
+              :tag command.tag/run
+              default)]
+    (cmd ctx args)))
+
+(defn run
+  [{:keys [command] :as ctx}]
+  (->> command
+       (csk/->kebab-case-keyword)
+       (dispatch ctx)))