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Make nREPL server persist over resets #121

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merged 2 commits into from
Nov 26, 2023
Merged

Make nREPL server persist over resets #121

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8d26617
dont restart nrepl server on system reset
martinklepsch Nov 25, 2023
e158ad2
add option to create .nrepl-port file
martinklepsch Nov 25, 2023
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3 changes: 2 additions & 1 deletion libs/kit-nrepl/deps.edn
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
{:paths ["src"]
:deps {org.clojure/tools.logging {:mvn/version "1.2.4"}
integrant/integrant {:mvn/version "0.8.1"}
nrepl/nrepl {:mvn/version "1.0.0"}}}
nrepl/nrepl {:mvn/version "1.0.0"}
io.github.kit-clj/kit-core {:mvn/version "1.0.4"}}}
12 changes: 11 additions & 1 deletion libs/kit-nrepl/src/kit/edge/utils/nrepl.clj
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Expand Up @@ -2,21 +2,31 @@
(:require
[clojure.tools.logging :as log]
[integrant.core :as ig]
[kit.ig-utils :as ig-utils]
[nrepl.cmdline]
[nrepl.server :as nrepl]))

(defmethod ig/init-key :nrepl/server
[_ {:keys [port bind ack-port] :as config}]
[_ {:keys [port bind ack-port create-nrepl-port-file?] :as config}]
(try
(let [server (nrepl/start-server :port port
:bind bind
:ack-port ack-port)]
(when create-nrepl-port-file?
(nrepl.cmdline/save-port-file server {}))
(log/info "nREPL server started on port:" port)
(assoc config ::server server))
(catch Exception e
(log/error "failed to start the nREPL server on port:" port)
(throw e))))

(defmethod ig/suspend-key! :nrepl/server [_ _])

(defmethod ig/halt-key! :nrepl/server
[_ {::keys [server]}]
(nrepl/stop-server server)
(log/info "nREPL server stopped"))

(defmethod ig/resume-key :nrepl/server
[key opts old-opts old-impl]
(ig-utils/resume-handler key opts old-opts old-impl))