Fix #1719: add new clojure 1.12 clojure.repl.deps namespace (#1724)

CHANGELOG.md

@@ -12,6 +12,7 @@ A preview of the next release can be installed from
 - Upgrade Clojure to `1.12.0`
 - Fix [#1722](https://github.com/babashka/babashka/issues/1722): add new clojure 1.12 vars
 - [#1720](https://github.com/babashka/babashka/issues/1720): Include new clojure 1.12's `clojure.java.process`
+- [#1719](https://github.com/babashka/babashka/issues/1719): add new clojure 1.12 `clojure.repl.deps` namespace. Only calls with explicit versions are supported.
 -  [#1598](https://github.com/babashka/babashka/issues/1598): use Rosetta on CircleCI to build x64 images
 - Bump SCI
 - Bump `fs`

resources/src/babashka/clojure/repl/deps.clj

@@ -0,0 +1,31 @@
+(ns clojure.repl.deps
+  (:require [babashka.deps :as deps]))
+
+(defn add-libs
+  "Given lib-coords, a map of lib to coord, will resolve all transitive deps for the libs
+  together and add them to the repl classpath, unlike separate calls to add-lib."
+  {:added "1.12"}
+  [lib-coords]
+  (deps/add-deps {:deps lib-coords})
+  nil)
+
+(defn add-lib
+  "Given a lib that is not yet on the repl classpath, make it available by
+  downloading the library if necessary and adding it to the classloader.
+  Libs already on the classpath are not updated. Requires a valid parent
+  DynamicClassLoader.
+
+   lib - symbol identifying a library, for Maven: groupId/artifactId
+   coord - optional map of location information specific to the procurer,
+           or latest if not supplied
+
+  Returns coll of libs loaded, including transitive (or nil if none).
+
+  For info on libs, coords, and versions, see:
+   https://clojure.org/reference/deps_and_cli"
+  {:added "1.12"}
+  ([lib coord]
+   (add-libs {lib coord}))
+  ([lib]
+   (throw (ex-info "add-lib without explicit version isn't supported in babashka (yet)" {:lib lib}))))
+