cljstyle redux, with pre-commit hook (#24)

* cljstyle redux, with pre-commit

* Use fork of lein-githooks with fixes for shell characters

* Remove stale doc

.circleci/config.yml

@@ -17,10 +17,6 @@ jobs:
     steps:
       - checkout
 
-      - run:
-          name: Install Leiningen
-          command: wget https://raw.githubusercontent.com/technomancy/leiningen/stable/bin/lein && chmod a+x lein && ./lein
-
       # Download and cache dependencies
       - restore_cache:
           keys:
@@ -28,15 +24,23 @@ jobs:
             # fallback to using the latest cache if no exact match is found
             - v1-dependencies-
 
+      - run:
+          name: Install Leiningen
+          command: wget https://raw.githubusercontent.com/technomancy/leiningen/stable/bin/lein && chmod a+x lein && lein --version
+
       - run: lein deps
 
       - save_cache:
           paths:
+            - ~/.lein
             - ~/.m2
           key: v1-dependencies-{{ checksum "project.clj" }}
 
       # run tests!
       - run: lein test
 
+      # check style
+      - run: lein cljstyle check --report
+
       - store_test_results:
           path: target

.cljstyle

@@ -0,0 +1,3 @@
+{:file-pattern #"\.(clj[sc]?|edn|cljstyle)$"
+ :list-indent-size 1
+ :padding-lines 1}

README.md

@@ -372,9 +372,6 @@ Creates a network. The optional map accepts config values for enabling ipv6 and
 (init-network)   
 ```
 
-
-
-
 ## License
 
 Copyright © 2020 Tim Zöller

project.clj

@@ -9,12 +9,19 @@
   :dependencies [[org.clojure/clojure "1.10.1"]
                  [org.testcontainers/testcontainers "1.14.3"]]
 
-  :aliases {"test" ["run" "-m" "kaocha.runner"]}
+  :aliases {"test" ["run" "-m" "kaocha.runner"]
+            "cljstyle" ["run" "-m" "cljstyle.main"]}
+
+  :plugins [[jainsahab/lein-githooks "1.0.0"]]
 
   :profiles {:dev {:dependencies [[org.testcontainers/postgresql "1.14.3"]
                                   [lambdaisland/kaocha-cloverage "1.0-45"]
                                   [lambdaisland/kaocha "1.0.641"]
-                                  [lambdaisland/kaocha-junit-xml "0.0.76"]]}}
+                                  [lambdaisland/kaocha-junit-xml "0.0.76"]
+                                  [mvxcvi/cljstyle "0.13.0" :exclusions [org.clojure/clojure]]]
+                   :githooks {:auto-install true
+                              :ci-env-variable "CI"
+                              :pre-commit ["script/pre-commit"]}}}
 
   :target-path "target/%s")
 

script/pre-commit

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+cd "$(dirname "${BASH_SOURCE[0]}")/.."
+
+FILES=$(git diff --cached --name-only --diff-filter=ACMR | sed 's| |\\ |g')
+
+if [[ -z "$FILES" ]]; then
+  exit 0
+fi
+
+echo "Fixing Clojure style..."
+
+# Format all selected files
+echo "$FILES" | xargs lein cljstyle fix --report
+
+# Add back the modified/prettified files to staging
+echo "$FILES" | xargs git add
+
+echo "Done!"

src/clj_test_containers/core.clj

@@ -1,10 +1,17 @@
 (ns clj-test-containers.core
-  (:require [clojure.spec.alpha :as s])
-  (:import [org.testcontainers.containers GenericContainer]
-           [org.testcontainers.utility MountableFile]
-           [org.testcontainers.containers BindMode Network]
-           [org.testcontainers.images.builder ImageFromDockerfile]
-           [java.nio.file Paths]))
+  (:require
+   [clojure.spec.alpha :as s])
+  (:import
+   (java.nio.file
+    Paths)
+   (org.testcontainers.containers
+    BindMode
+    GenericContainer
+    Network)
+   (org.testcontainers.images.builder
+    ImageFromDockerfile)
+   (org.testcontainers.utility
+    MountableFile)))
 
 (defn- resolve-bind-mode
   [bind-mode]
@@ -115,7 +122,6 @@
       (dissoc :id)
       (dissoc :mapped-ports)))
 
-
 (defn- build-network
   [{:keys [ipv6 driver]}]
   (let [builder (Network/builder)]

test/clj_test_containers/core_test.clj

@@ -1,7 +1,10 @@
 (ns clj-test-containers.core-test
-  (:require [clojure.test :refer :all]
-            [clj-test-containers.core :refer :all])
-  (:import [org.testcontainers.containers PostgreSQLContainer]))
+  (:require
+   [clj-test-containers.core :refer :all]
+   [clojure.test :refer :all])
+  (:import
+   (org.testcontainers.containers
+    PostgreSQLContainer)))
 
 (deftest create-test
   (testing "Testing basic testcontainer generic image initialisation"
@@ -119,7 +122,6 @@
       (is (nil? (:id stopped-container)))
       (is (nil? (:mapped-ports stopped-container))))))
 
-
 (deftest networking-test
 
   (testing "Putting two containers into the same network and check their communication"
@@ -128,8 +130,8 @@
                                     :network network
                                     :network-aliases ["foo"]
                                     :command ["/bin/sh"
-                                                       "-c"
-                                                       "while true ; do printf 'HTTP/1.1 200 OK\\n\\nyay' | nc -l -p 8080; done"]})
+                                              "-c"
+                                              "while true ; do printf 'HTTP/1.1 200 OK\\n\\nyay' | nc -l -p 8080; done"]})
           client-container (create {:image-name "alpine:3.5"
                                     :network network
                                     :command ["top"]})