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Add -jar option to run uberjar

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This commit is contained in:
Michiel Borkent 2020-08-16 20:25:58 +02:00
parent 02032625ee
commit 916858e016
2 changed files with 24 additions and 3 deletions
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11
src/babashka/impl/classpath.clj
View file

@ -1,8 +1,9 @@
(ns babashka.impl.classpath
{:no-doc true}
(:require [clojure.java.io :as io]
(:require [babashka.impl.clojure.main :refer [demunge]]
[clojure.java.io :as io]
[clojure.string :as str])
(:import [java.util.jar JarFile]))
(:import [java.util.jar JarFile Manifest]))
(set! *warn-on-reflection* true)
@ -68,6 +69,12 @@
resource-paths (mapv #(str base-path %) [".bb" ".clj" ".cljc"])]
(getResource loader resource-paths opts)))
(defn main-ns [manifest-resource]
(some-> (Manifest. (io/input-stream manifest-resource))
(.getMainAttributes)
(.getValue "Main-Class")
(demunge)))
;;;; Scratch
(comment

16
src/babashka/main.clj
View file

@ -148,6 +148,11 @@
(recur (next options)
(assoc opts-map
:file (first options))))
("--jar" "-jar")
(let [options (next options)]
(recur (next options)
(assoc opts-map
:jar (first options))))
("--repl")
(let [options (next options)]
(recur (next options)
@ -456,7 +461,8 @@ If neither -e, -f, or --socket-repl are specified, then the first argument that
:expressions :stream?
:repl :socket-repl :nrepl
:verbose? :classpath
:main :uberscript :describe?] :as _opts}
:main :uberscript :describe?
:jar] :as _opts}
(parse-opts args)
_ (do ;; set properties
(when main (System/setProperty "babashka.main" main))
@ -480,6 +486,8 @@ If neither -e, -f, or --socket-repl are specified, then the first argument that
(System/getenv "BABASHKA_CLASSPATH"))
_ (when classpath
(add-classpath* classpath))
_ (when jar
(add-classpath* jar))
load-fn (fn [{:keys [:namespace :reload]}]
(when-let [{:keys [:loader]}
@cp-state]
@ -496,6 +504,12 @@ If neither -e, -f, or --socket-repl are specified, then the first argument that
(let [abs-path (.getAbsolutePath (io/file file))]
(vars/bindRoot sci/file abs-path)
(System/setProperty "babashka.file" abs-path)))
main (if (and jar (not main))
(when-let [res (cp/getResource
(:loader @cp-state)
["META-INF/MANIFEST.MF"] {:url? true})]
(cp/main-ns res))
main)
;; TODO: pull more of these values to compile time
opts {:aliases aliases
:namespaces (-> namespaces