[#561] Add org.httpkit.client namespace

This also bumps GraalVM to 20.2.0 and XCode to version 12
2020-09-18 21:32:08 +02:00 · 2020-09-18 21:32:08 +02:00 · f89da080c3
commit f89da080c3
parent 51dca73030
14 changed files with 148 additions and 73 deletions
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@ -70,7 +70,7 @@ jobs:
    working_directory: ~/repo
    environment:
      LEIN_ROOT: "true"
-      GRAALVM_HOME: /home/circleci/graalvm-ce-java11-20.1.0
+      GRAALVM_HOME: /home/circleci/graalvm-ce-java11-20.2.0
      BABASHKA_PLATFORM: linux # used in release script
      BABASHKA_TEST_ENV: native
      BABASHKA_XMX: "-J-Xmx6500m"
@ -104,9 +104,9 @@ jobs:
          name: Download GraalVM
          command: |
            cd ~
-            if ! [ -d graalvm-ce-java11-20.1.0 ]; then
-              curl -O -sL https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-20.1.0/graalvm-ce-java11-linux-amd64-20.1.0.tar.gz
-              tar xzf graalvm-ce-java11-linux-amd64-20.1.0.tar.gz
+            if ! [ -d graalvm-ce-java11-20.2.0 ]; then
+              curl -O -sL https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-20.2.0/graalvm-ce-java11-linux-amd64-20.2.0.tar.gz
+              tar xzf graalvm-ce-java11-linux-amd64-20.2.0.tar.gz
            fi
      - run:
          name: Build binary
@ -126,7 +126,7 @@ jobs:
      - save_cache:
          paths:
            - ~/.m2
-            - ~/graalvm-ce-java11-20.1.0
+            - ~/graalvm-ce-java11-20.2.0
          key: linux-{{ checksum "project.clj" }}-{{ checksum ".circleci/config.yml" }}
      - store_artifacts:
          path: /tmp/release
@ -141,7 +141,7 @@ jobs:
    working_directory: ~/repo
    environment:
      LEIN_ROOT: "true"
-      GRAALVM_HOME: /home/circleci/graalvm-ce-java11-20.1.0
+      GRAALVM_HOME: /home/circleci/graalvm-ce-java11-20.2.0
      BABASHKA_PLATFORM: linux-static # used in release script
      BABASHKA_TEST_ENV: native
      BABASHKA_STATIC: true
@ -176,9 +176,9 @@ jobs:
          name: Download GraalVM
          command: |
            cd ~
-            if ! [ -d graalvm-ce-java11-20.1.0 ]; then
-              curl -O -sL https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-20.1.0/graalvm-ce-java11-linux-amd64-20.1.0.tar.gz
-              tar xzf graalvm-ce-java11-linux-amd64-20.1.0.tar.gz
+            if ! [ -d graalvm-ce-java11-20.2.0 ]; then
+              curl -O -sL https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-20.2.0/graalvm-ce-java11-linux-amd64-20.2.0.tar.gz
+              tar xzf graalvm-ce-java11-linux-amd64-20.2.0.tar.gz
            fi
      - run:
          name: Build binary
@ -198,7 +198,7 @@ jobs:
      - save_cache:
          paths:
            - ~/.m2
-            - ~/graalvm-ce-java11-20.1.0
+            - ~/graalvm-ce-java11-20.2.0
          key: linux-{{ checksum "project.clj" }}-{{ checksum ".circleci/config.yml" }}
      - store_artifacts:
          path: /tmp/release
@ -209,9 +209,9 @@ jobs:
            ./bb .circleci/script/publish_artifact.clj
  mac:
    macos:
-      xcode: "9.4.1"
+      xcode: "12.0.0"
    environment:
-      GRAALVM_HOME: /Users/distiller/graalvm-ce-java11-20.1.0/Contents/Home
+      GRAALVM_HOME: /Users/distiller/graalvm-ce-java11-20.2.0/Contents/Home
      BABASHKA_PLATFORM: macos # used in release script
      BABASHKA_TEST_ENV: native
      BABASHKA_XMX: "-J-Xmx6500m"
@ -239,9 +239,9 @@ jobs:
          command: |
            cd ~
            ls -la
-            if ! [ -d graalvm-ce-java11-20.1.0 ]; then
-              curl -O -sL https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-20.1.0/graalvm-ce-java11-darwin-amd64-20.1.0.tar.gz
-              tar xzf graalvm-ce-java11-darwin-amd64-20.1.0.tar.gz
+            if ! [ -d graalvm-ce-java11-20.2.0 ]; then
+              curl -O -sL https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-20.2.0/graalvm-ce-java11-darwin-amd64-20.2.0.tar.gz
+              tar xzf graalvm-ce-java11-darwin-amd64-20.2.0.tar.gz
            fi
      - run:
          name: Build binary
@ -263,7 +263,7 @@ jobs:
      - save_cache:
          paths:
            - ~/.m2
-            - ~/graalvm-ce-java11-20.1.0
+            - ~/graalvm-ce-java11-20.2.0
          key: mac-{{ checksum "project.clj" }}-{{ checksum ".circleci/config.yml" }}
      - store_artifacts:
          path: /tmp/release
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@ -44,17 +44,17 @@ jobs:
        uses: actions/cache@v1
        id: cache-graalvm
        with:
-          path: ~/graalvm-ce-java11-20.1.0
-          key: ${{ runner.os }}-graalvm-20.1.0
+          path: ~/graalvm-ce-java11-20.2.0
+          key: ${{ runner.os }}-graalvm-20.2.0
          restore-keys: |
-                ${{ runner.os }}-graalvm-20.1.0
+                ${{ runner.os }}-graalvm-20.2.0

      - name: Download GraalVM
        run: |
          cd ~
-          if ! [ -d graalvm-ce-java11-20.1.0 ]; then
-            curl -O -sL https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-20.1.0/graalvm-ce-java11-linux-amd64-20.1.0.tar.gz
-            tar xzf graalvm-ce-java11-linux-amd64-20.1.0.tar.gz
+          if ! [ -d graalvm-ce-java11-20.2.0 ]; then
+            curl -O -sL https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-20.2.0/graalvm-ce-java11-linux-amd64-20.2.0.tar.gz
+            tar xzf graalvm-ce-java11-linux-amd64-20.2.0.tar.gz
          fi

      - name: Fetch deps
@ -64,18 +64,18 @@ jobs:

      - name: Run tests
        run: |
-          export GRAALVM_HOME="$HOME/graalvm-ce-java11-20.1.0"
+          export GRAALVM_HOME="$HOME/graalvm-ce-java11-20.2.0"
          script/test

      - name: Test libraries
        run: |
-          export GRAALVM_HOME="$HOME/graalvm-ce-java11-20.1.0"
+          export GRAALVM_HOME="$HOME/graalvm-ce-java11-20.2.0"
          sudo script/install-clojure
          script/run_lib_tests

      - name: Build uberjar
        run: |
-          export GRAALVM_HOME="$HOME/graalvm-ce-java11-20.1.0"
+          export GRAALVM_HOME="$HOME/graalvm-ce-java11-20.2.0"
          script/uberjar

      - name: Babashka version
@ -132,17 +132,17 @@ jobs:
        uses: actions/cache@v1
        id: cache-graalvm
        with:
-          path: ~/graalvm-ce-java11-20.1.0
-          key: ${{ runner.os }}-graalvm-20.1.0
+          path: ~/graalvm-ce-java11-20.2.0
+          key: ${{ runner.os }}-graalvm-20.2.0
          restore-keys: |
-                ${{ runner.os }}-graalvm-20.1.0
+                ${{ runner.os }}-graalvm-20.2.0

      - name: Download GraalVM
        run: |
          cd ~
-          if ! [ -d graalvm-ce-java11-20.1.0 ]; then
-            curl -O -sL https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-20.1.0/graalvm-ce-java11-linux-amd64-20.1.0.tar.gz
-            tar xzf graalvm-ce-java11-linux-amd64-20.1.0.tar.gz
+          if ! [ -d graalvm-ce-java11-20.2.0 ]; then
+            curl -O -sL https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-20.2.0/graalvm-ce-java11-linux-amd64-20.2.0.tar.gz
+            tar xzf graalvm-ce-java11-linux-amd64-20.2.0.tar.gz
          fi

      - name: Babashka version
@ -155,13 +155,13 @@ jobs:
        run: |
          export BABASHKA_JAR=babashka-${{ steps.babashka-version.outputs.version }}-standalone.jar
          export BABASHKA_XMX="-J-Xmx6g"
-          export GRAALVM_HOME="$HOME/graalvm-ce-java11-20.1.0"
+          export GRAALVM_HOME="$HOME/graalvm-ce-java11-20.2.0"
          cp babashka-${{ steps.babashka-version.outputs.version }}-reflection.json reflection.json
          script/compile

      - name: Test binary
        run: |
-          export GRAALVM_HOME="$HOME/graalvm-ce-java11-20.1.0"
+          export GRAALVM_HOME="$HOME/graalvm-ce-java11-20.2.0"
          BABASHKA_TEST_ENV=native script/test

      - name: Install clojure
@ -170,7 +170,7 @@ jobs:

      - name: Test libraries
        run: |
-          export GRAALVM_HOME="$HOME/graalvm-ce-java11-20.1.0"
+          export GRAALVM_HOME="$HOME/graalvm-ce-java11-20.2.0"
          BABASHKA_TEST_ENV=native script/run_lib_tests

      - uses: actions/upload-artifact@v1
@ -212,17 +212,17 @@ jobs:
        uses: actions/cache@v1
        id: cache-graalvm
        with:
-          path: ~/graalvm-ce-java11-20.1.0
-          key: ${{ runner.os }}-graalvm-20.1.0
+          path: ~/graalvm-ce-java11-20.2.0
+          key: ${{ runner.os }}-graalvm-20.2.0
          restore-keys: |
-                ${{ runner.os }}-graalvm-20.1.0
+                ${{ runner.os }}-graalvm-20.2.0

      - name: Download GraalVM
        run: |
          cd ~
-          if ! [ -d graalvm-ce-java11-20.1.0 ]; then
-            curl -O -sL https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-20.1.0/graalvm-ce-java11-linux-amd64-20.1.0.tar.gz
-            tar xzf graalvm-ce-java11-linux-amd64-20.1.0.tar.gz
+          if ! [ -d graalvm-ce-java11-20.2.0 ]; then
+            curl -O -sL https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-20.2.0/graalvm-ce-java11-linux-amd64-20.2.0.tar.gz
+            tar xzf graalvm-ce-java11-linux-amd64-20.2.0.tar.gz
          fi

      - name: Babashka version
@ -235,7 +235,7 @@ jobs:
        run: |
          export BABASHKA_JAR=babashka-${{ steps.babashka-version.outputs.version }}-standalone.jar
          export BABASHKA_XMX="-J-Xmx6g"
-          export GRAALVM_HOME="$HOME/graalvm-ce-java11-20.1.0"
+          export GRAALVM_HOME="$HOME/graalvm-ce-java11-20.2.0"
          export BABASHKA_STATIC=true
          cp babashka-${{ steps.babashka-version.outputs.version }}-reflection.json reflection.json
          script/compile
@ -243,7 +243,7 @@ jobs:
      - name: Test binary
        run: |
          ./bb '(+ 1 2 3)'
-          export GRAALVM_HOME="$HOME/graalvm-ce-java11-20.1.0"
+          export GRAALVM_HOME="$HOME/graalvm-ce-java11-20.2.0"
          BABASHKA_TEST_ENV=native script/test

      - name: Install clojure
@ -252,7 +252,7 @@ jobs:

      - name: Test libraries
        run: |
-          export GRAALVM_HOME="$HOME/graalvm-ce-java11-20.1.0"
+          export GRAALVM_HOME="$HOME/graalvm-ce-java11-20.2.0"
          BABASHKA_TEST_ENV=native script/run_lib_tests

      - uses: actions/upload-artifact@v1
@ -285,17 +285,17 @@ jobs:
        uses: actions/cache@v1
        id: cache-graalvm
        with:
-          path: ~/graalvm-ce-java11-20.1.0
-          key: ${{ runner.os }}-graalvm-20.1.0
+          path: ~/graalvm-ce-java11-20.2.0
+          key: ${{ runner.os }}-graalvm-20.2.0
          restore-keys: |
-                ${{ runner.os }}-graalvm-20.1.0
+                ${{ runner.os }}-graalvm-20.2.0

      - name: Download GraalVM
        run: |
          cd ~
-          if ! [ -d graalvm-ce-java11-20.1.0 ]; then
-            curl -O -sL https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-20.1.0/graalvm-ce-java11-darwin-amd64-20.1.0.tar.gz
-            tar xzf graalvm-ce-java11-darwin-amd64-20.1.0.tar.gz
+          if ! [ -d graalvm-ce-java11-20.2.0 ]; then
+            curl -O -sL https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-20.2.0/graalvm-ce-java11-darwin-amd64-20.2.0.tar.gz
+            tar xzf graalvm-ce-java11-darwin-amd64-20.2.0.tar.gz
          fi

      - name: Babashka version
@ -308,19 +308,19 @@ jobs:
        run: |
          export BABASHKA_JAR=babashka-${{ steps.babashka-version.outputs.version }}-standalone.jar
          export BABASHKA_XMX="-J-Xmx6g"
-          export GRAALVM_HOME="$HOME/graalvm-ce-java11-20.1.0/Contents/Home"
+          export GRAALVM_HOME="$HOME/graalvm-ce-java11-20.2.0/Contents/Home"
          cp babashka-${{ steps.babashka-version.outputs.version }}-reflection.json reflection.json
          script/compile

      - name: Test binary
        run: |
-          export GRAALVM_HOME="$HOME/graalvm-ce-java11-20.1.0/Contents/Home"
+          export GRAALVM_HOME="$HOME/graalvm-ce-java11-20.2.0/Contents/Home"
          sudo script/install-leiningen
          BABASHKA_TEST_ENV=native script/test

      - name: Test libraries
        run: |
-          export GRAALVM_HOME="$HOME/graalvm-ce-java11-20.1.0/Contents/Home"
+          export GRAALVM_HOME="$HOME/graalvm-ce-java11-20.2.0/Contents/Home"
          sudo script/install-clojure
          BABASHKA_TEST_ENV=native script/run_lib_tests

--- a/8
+++ b/8
@ -4,11 +4,11 @@ ARG BABASHKA_XMX="-J-Xmx3g"
 RUN apt update
 RUN apt install --no-install-recommends -yy curl unzip build-essential zlib1g-dev
 WORKDIR "/opt"
-RUN curl -sLO https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-20.1.0/graalvm-ce-java11-linux-amd64-20.1.0.tar.gz
-RUN tar -xzf graalvm-ce-java11-linux-amd64-20.1.0.tar.gz
+RUN curl -sLO https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-20.2.0/graalvm-ce-java11-linux-amd64-20.2.0.tar.gz
+RUN tar -xzf graalvm-ce-java11-linux-amd64-20.2.0.tar.gz

-ENV GRAALVM_HOME="/opt/graalvm-ce-java11-20.1.0"
-ENV JAVA_HOME="/opt/graalvm-ce-java11-20.1.0/bin"
+ENV GRAALVM_HOME="/opt/graalvm-ce-java11-20.2.0"
+ENV JAVA_HOME="/opt/graalvm-ce-java11-20.2.0/bin"
 ENV PATH="$JAVA_HOME:$PATH"
 ENV BABASHKA_STATIC="true"
 ENV BABASHKA_XMX=$BABASHKA_XMX
--- a/appveyor.yml
+++ b/appveyor.yml
@ -7,7 +7,7 @@ image: Visual Studio 2017
 clone_folder: C:\projects\babashka

 environment:
-  GRAALVM_HOME: C:\projects\babashka\graalvm\graalvm-ce-java11-20.1.0
+  GRAALVM_HOME: C:\projects\babashka\graalvm\graalvm-ce-java11-20.2.0
  BABASHKA_XMX: "-J-Xmx5g"

 cache:
@ -44,7 +44,7 @@ build_script:
 - cmd: >-
    call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvars64.bat"

-    powershell -Command "if (Test-Path('graalvm')) { return } else { (New-Object Net.WebClient).DownloadFile('https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-20.1.0/graalvm-ce-java11-windows-amd64-20.1.0.zip', 'graalvm.zip') }"
+    powershell -Command "if (Test-Path('graalvm')) { return } else { (New-Object Net.WebClient).DownloadFile('https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-20.2.0/graalvm-ce-java11-windows-amd64-20.2.0.zip', 'graalvm.zip') }"

    powershell -Command "if (Test-Path('graalvm')) { return } else { Expand-Archive graalvm.zip graalvm }"

--- a/deps.edn
+++ b/deps.edn
@ -1,6 +1,7 @@
 {:paths ["src" "feature-xml" "feature-core-async"
         "feature-yaml" "feature-csv" "feature-transit"
         "feature-java-time" "feature-java-nio"
+         "feature-httpkit-client"
         "sci/src" "babashka.curl/src" "babashka.pods/src"
         "babashka.nrepl/src"
         "depstar/src"
@ -22,7 +23,8 @@
        seancorfield/next.jdbc {:mvn/version "1.0.424"}
        org.postgresql/postgresql {:mvn/version "42.2.12"}
        org.hsqldb/hsqldb {:mvn/version "2.4.0"}
-        datascript/datascript {:mvn/version "0.18.11"}}
+        datascript/datascript {:mvn/version "0.18.11"}
+        http-kit/http-kit {:mvn/version "2.5.0"}}
 :aliases {:main
           {:main-opts ["-m" "babashka.main"]}
           :profile
--- a/doc/dev.md
+++ b/doc/dev.md
@ -1,6 +1,6 @@
 # Developing Babashka

-You need [lein](https://leiningen.org/) for running JVM tests and/or producing uberjars. For building binaries you need GraalVM. Currently we use java11-20.1.0.
+You need [lein](https://leiningen.org/) for running JVM tests and/or producing uberjars. For building binaries you need GraalVM. Currently we use java11-20.2.0.

 ## Clone repository

--- a/feature-httpkit-client/babashka/impl/httpkit_client.clj
+++ b/feature-httpkit-client/babashka/impl/httpkit_client.clj
@ -0,0 +1,44 @@
+(ns babashka.impl.httpkit-client
+  {:no-doc true}
+  (:require [org.httpkit.client :as client]
+            [org.httpkit.sni-client :as sni-client]
+            [sci.core :as sci :refer [copy-var]]))
+
+(def sni-client (delay (client/make-client {:ssl-configurer sni-client/ssl-configurer})))
+
+(def sns (sci/create-ns 'org.httpkit.server nil))
+(def cns (sci/create-ns 'org.httpkit.client nil))
+
+(def default-client (sci/new-dynamic-var '*default-client* sni-client {:ns cns}))
+
+(defn request
+  ([req]
+   (binding [client/*default-client* @default-client]
+     (client/request req)))
+  ([req cb]
+   (binding [client/*default-client* @default-client]
+     (client/request req cb))))
+
+(def httpkit-client-namespace
+  {'request   (sci/new-var 'request request {:doc (:doc (meta #'client/request))
+                                                    :ns cns})
+   'get       (copy-var client/get cns)
+   'options   (copy-var client/options cns)
+   'put       (copy-var client/put cns)
+   'lock      (copy-var client/lock cns)
+   'report    (copy-var client/report cns)
+   'proppatch (copy-var client/proppatch cns)
+   'copy      (copy-var client/copy cns)
+   'patch     (copy-var client/patch cns)
+   'make-ssl-engine (copy-var client/make-ssl-engine cns)
+   'move      (copy-var client/move cns)
+   'delete    (copy-var client/delete cns)
+   'make-client (copy-var client/make-client cns)
+   'head      (copy-var client/head cns)
+   'propfind  (copy-var client/propfind cns)
+   'max-body-filter (copy-var client/max-body-filter cns)
+   'post      (copy-var client/post cns)
+   'acl       (copy-var client/acl cns)
+   'unlock    (copy-var client/unlock cns)
+   'default-client (copy-var client/default-client cns)
+   '*default-client* default-client})
--- a/project.clj
+++ b/project.clj
@ -38,6 +38,10 @@
                               :dependencies [[com.cognitect/transit-clj "1.0.324"]]}
             :feature/datascript {:source-paths ["feature-datascript"]
                                  :dependencies [[datascript "0.18.11"]]}
+             :feature/httpkit-client {:source-paths ["feature-httpkit-client"]
+                                      :dependencies [[http-kit "2.5.0"]]}
+             :feature/httpkit-server {:source-paths ["feature-httpkit-server"]
+                                      :dependencies [[http-kit "2.5.0"]]}
             :test [:feature/xml
                    :feature/yaml
                    :feature/postgresql
@ -46,6 +50,8 @@
                    :feature/csv
                    :feature/transit
                    :feature/datascript
+                    :feature/httpkit-client
+                    :feature/httpkit-server
                    {:dependencies [[clj-commons/conch "0.9.2"]
                                    [com.clojure-goes-fast/clj-async-profiler "0.4.1"]
                                    [com.opentable.components/otj-pg-embedded "0.13.3"]]}]
@ -54,7 +60,7 @@
                                  "-Dclojure.spec.skip-macros=true"]
                       :main babashka.main
                       :aot :all}
-             :native-image {:dependencies [[borkdude/clj-reflector-graal-java11-fix "0.0.1-graalvm-20.1.0"]]}
+             :native-image {:dependencies [[borkdude/clj-reflector-graal-java11-fix "0.0.1-graalvm-20.2.0"]]}
             :reflection {:main babashka.impl.classes/generate-reflection-file}}
  :aliases {"bb" ["with-profile" "test"  "run" "-m" "babashka.main"]}
  :deploy-repositories [["clojars" {:url "https://clojars.org/repo"
--- a/script/bump_graal_version.clj
+++ b/script/bump_graal_version.clj
@ -41,7 +41,8 @@
   "doc/dev.md"
   ".github/workflows/build.yml"
   ".circleci/config.yml"
-   "appveyor.yml"])
+   "appveyor.yml"
+   "project.clj"])

 ;; We might have to keep changing these from
 ;; time to time whenever the version is bumped
@ -51,7 +52,7 @@
 ;; We could have them as environment variables
 (def current-graal-version "20.1.0")
 (def current-java-version "java11")
-(def valid-graal-bumps ["19.3.2" "20.1.0"])
+(def valid-graal-bumps ["19.3.2" "20.1.0" "20.2.0"])
 (def valid-java-bumps ["java8" "java11"])

 (def cl-options
--- a/script/compile
+++ b/script/compile
@ -82,6 +82,7 @@ then
    export BABAHSKA_FEATURE_TRANSIT=false
    export BABASHKA_FEATURE_JAVA_TIME=false
    export BABASHKA_FEATURE_JAVA_NIO=false
+    export BABASHKA_FEATURE_HTTPKIT_CLIENT=false
 fi

 "$GRAALVM_HOME/bin/native-image" "${args[@]}"
--- a/script/uberjar
+++ b/script/uberjar
@ -22,6 +22,7 @@ then
    export BABAHSKA_FEATURE_TRANSIT=false
    export BABASHKA_FEATURE_JAVA_TIME=false
    export BABASHKA_FEATURE_JAVA_NIO=false
+    export BABASHKA_FEATURE_HTTPKIT_CLIENT=false
 fi

 BABASHKA_LEIN_PROFILES="+uberjar"
@ -89,6 +90,13 @@ else
    BABASHKA_LEIN_PROFILES+=",-feature/datascript"
 fi

+if [ "$BABASHKA_FEATURE_HTTPKIT_CLIENT" != "false" ]
+then
+    BABASHKA_LEIN_PROFILES+=",+feature/httpkit-client"
+else
+    BABASHKA_LEIN_PROFILES+=",-feature/httpkit-client"
+fi
+
 if [ -z "$BABASHKA_JAR" ]; then
    lein with-profiles "$BABASHKA_LEIN_PROFILES,+reflection,-uberjar" do run
    lein with-profiles "$BABASHKA_LEIN_PROFILES" do clean, uberjar
--- a/script/uberjar.bat
+++ b/script/uberjar.bat
@ -64,6 +64,12 @@ if "%BABASHKA_FEATURE_DATASCRIPT%"=="true" (
  set BABASHKA_LEIN_PROFILES=%BABASHKA_LEIN_PROFILES%,-feature/datascript
 )

+if not "%BABASHKA_FEATURE_HTTPKIT_CLIENT%"=="false" (
+set BABASHKA_LEIN_PROFILES=%BABASHKA_LEIN_PROFILES%,+feature/httpkit-client
+) else (
+set BABASHKA_LEIN_PROFILES=%BABASHKA_LEIN_PROFILES%,-feature/httpkit-client
+)
+
 call lein with-profiles %BABASHKA_LEIN_PROFILES% bb "(+ 1 2 3)"

 call lein with-profiles %BABASHKA_LEIN_PROFILES%,+reflection,-uberjar do run
--- a/src/babashka/impl/features.clj
+++ b/src/babashka/impl/features.clj
@ -2,13 +2,14 @@
  {:no-doc true})

 ;; included by default
-(def yaml?       (not= "false" (System/getenv "BABASHKA_FEATURE_YAML")))
-(def xml?        (not= "false" (System/getenv "BABASHKA_FEATURE_XML")))
-(def core-async? (not= "false" (System/getenv "BABASHKA_FEATURE_CORE_ASYNC")))
-(def csv?        (not= "false" (System/getenv "BABASHKA_FEATURE_CSV")))
-(def transit?    (not= "false" (System/getenv "BABASHKA_FEATURE_TRANSIT")))
-(def java-time?  (not= "false" (System/getenv "BABASHKA_FEATURE_JAVA_TIME")))
-(def java-nio?   (not= "false" (System/getenv "BABASHKA_FEATURE_JAVA_NIO")))
+(def yaml?           (not= "false" (System/getenv "BABASHKA_FEATURE_YAML")))
+(def xml?            (not= "false" (System/getenv "BABASHKA_FEATURE_XML")))
+(def core-async?     (not= "false" (System/getenv "BABASHKA_FEATURE_CORE_ASYNC")))
+(def csv?            (not= "false" (System/getenv "BABASHKA_FEATURE_CSV")))
+(def transit?        (not= "false" (System/getenv "BABASHKA_FEATURE_TRANSIT")))
+(def java-time?      (not= "false" (System/getenv "BABASHKA_FEATURE_JAVA_TIME")))
+(def java-nio?       (not= "false" (System/getenv "BABASHKA_FEATURE_JAVA_NIO")))
+(def httpkit-client? (not= "false" (System/getenv "BABASHKA_FEATURE_HTTPKIT_CLIENT")))

 ;; excluded by default
 (def jdbc? (= "true" (System/getenv "BABASHKA_FEATURE_JDBC")))
--- a/src/babashka/main.clj
+++ b/src/babashka/main.clj
@ -81,6 +81,9 @@
 (when features/datascript?
  (require '[babashka.impl.datascript]))

+(when features/httpkit-client?
+  (require '[babashka.impl.httpkit-client]))
+
 (sci/alter-var-root sci/in (constantly *in*))
 (sci/alter-var-root sci/out (constantly *out*))
 (sci/alter-var-root sci/err (constantly *err*))
@ -282,7 +285,8 @@ If neither -e, -f, or --socket-repl are specified, then the first argument that
 :feature/yaml       %s
 :feature/jdbc       %s
 :feature/postgresql %s
- :feature/hsqldb     %s}")
+ :feature/hsqldb     %s
+ :feature/httpkit-client %s}")
    version
    features/core-async?
    features/csv?
@ -292,7 +296,8 @@ If neither -e, -f, or --socket-repl are specified, then the first argument that
    features/yaml?
    features/jdbc?
    features/postgresql?
-    features/hsqldb?)))
+    features/hsqldb?
+    features/httpkit-client?)))

 (defn read-file [file]
  (let [f (io/file file)]
@ -397,7 +402,8 @@ If neither -e, -f, or --socket-repl are specified, then the first argument that
                                'clojure.core.async.impl.protocols @(resolve 'babashka.impl.async/async-protocols-namespace))
    features/csv?  (assoc 'clojure.data.csv @(resolve 'babashka.impl.csv/csv-namespace))
    features/transit? (assoc 'cognitect.transit @(resolve 'babashka.impl.transit/transit-namespace))
-    features/datascript? (assoc 'datascript.core @(resolve 'babashka.impl.datascript/datascript-namespace))))
+    features/datascript? (assoc 'datascript.core @(resolve 'babashka.impl.datascript/datascript-namespace))
+    features/httpkit-client? (assoc 'org.httpkit.client @(resolve 'babashka.impl.httpkit-client/httpkit-client-namespace))))

 (def bindings
  {'java.lang.System/exit exit ;; override exit, so we have more control