Exposing babashka.nrepl.server-functions (#1297)

Co-authored-by: Odd Andreas Sørsæther <odd.andreas.sorsether@nav.no>
Co-authored-by: Odd Andreas Sørsæther <odd.andreas@ardoq.com>

CHANGELOG.md

@@ -5,6 +5,11 @@ For a list of breaking changes, check [here](#breaking-changes).
 A preview of the next release can be installed from
 [babashka-dev-builds](https://github.com/babashka/babashka-dev-builds).
 
+## Unreleased
+
+- Expose `babashka.nrepl.server/start-server!`- and `stop-server!`-functions to support programmatically starting
+  an nrepl-server. `start-server!` is redefined to not require a sci-context as its first argument.
+
 ## 0.8.156 (2022-06-08)
 
 - macOS aarch64 support. Upgrading via brew or the installer script should

src/babashka/impl/nrepl_server.clj

@@ -0,0 +1,16 @@
+(ns babashka.impl.nrepl-server
+  {:no-doc true}
+  (:require [babashka.impl.common :as common]
+            [babashka.nrepl.server :refer [start-server! stop-server!]]
+            [sci.core :refer [create-ns new-var copy-var]]))
+
+(def nrepl-server-namespace
+  (let [ns-sci (create-ns 'babashka.nrepl.server)]
+    {'start-server! (new-var 'start-server!
+                             (fn
+                               ([]
+                                (start-server! @common/ctx))
+                               ([opts]
+                                (start-server! @common/ctx opts)))
+                             {:ns ns-sci})
+     'stop-server! (copy-var stop-server! ns-sci)}))

src/babashka/main.clj

@@ -32,6 +32,7 @@
    [babashka.impl.error-handler :refer [error-handler]]
    [babashka.impl.features :as features]
    [babashka.impl.fs :refer [fs-namespace]]
+   [babashka.impl.nrepl-server :refer [nrepl-server-namespace]]
    [babashka.impl.pods :as pods]
    [babashka.impl.pprint :refer [pprint-namespace]]
    [babashka.impl.print-deps :as print-deps]
@@ -354,6 +355,7 @@ Use bb run --help to show this help output.
        'clojure.tools.cli tools-cli-namespace
        'clojure.java.shell shell-namespace
        'babashka.core bbcore/core-namespace
+       'babashka.nrepl.server nrepl-server-namespace
        'babashka.wait wait-namespace
        'babashka.signal signal-ns
        'clojure.java.io io-namespace