ci: improve clojure deps download & caching (#16)

Bring over work from rewrite-clj.

.github/workflows/release.yml

@@ -25,9 +25,10 @@ jobs:
       with:
         path: |
           ~/.m2/repository
+          ~/.deps.clj
           ~/.gitlibs
-        key: $${ runner.os }}-cljdeps-release-${{ hashFiles('deps.edn') }}
-        restore-keys: $${ runner.os }}-cljdeps-release-
+        key: $${ runner.os }}-cljdeps-${{ hashFiles('deps.edn','bb.edn') }}
+        restore-keys: $${ runner.os }}-cljdeps-
 
     - name: Setup Java
       uses: actions/setup-java@v4
@@ -53,7 +54,7 @@ jobs:
         clojure -Sdescribe
 
     - name: Download Clojure Dependencies
-      run: clojure -P -M:jar:deploy
+      run: bb download-deps
 
     - name: Release Prep (step 1 of 4)
       run: bb ci-release prep

.github/workflows/test.yml

@@ -33,8 +33,9 @@ jobs:
       with:
         path: |
           ~/.m2/repository
+          ~/.deps.clj
           ~/.gitlibs
-        key: $${ runner.os }}-cljdeps-${{ hashFiles('deps.edn') }}
+        key: $${ runner.os }}-cljdeps-${{ hashFiles('deps.edn','bb.edn') }}
         restore-keys: $${ runner.os }}-cljdeps-
 
     - name: Setup Java
@@ -82,7 +83,7 @@ jobs:
         clojure -Sdescribe
 
     - name: Download Clojure Dependencies
-      run: clojure -P
+      run: bb download-deps
 
     - name: Run CI Tests
       run: bb ci-test

bb.edn

@@ -40,6 +40,8 @@
                     (status/line :detail "\nTASK %s done." name)))
 
          ;; commands
+         download-deps {:doc "bring down Clojure deps"
+                        :task (clojure "-T:build download-deps")}
 
          lint {:doc "[--rebuild] lint source code with clj-kondo"
                :task lint/-main}

build.clj

@@ -1,8 +1,7 @@
 (ns build
   (:require [clojure.edn :as edn]
             [clojure.java.io :as io]
-            [clojure.tools.build.api :as b]
-            [deps-deploy.deps-deploy :as dd]))
+            [clojure.tools.build.api :as b]))
 
 (def lib 'com.github.lread/test-doc-blocks)
 (def version (let [version-template (-> "version.edn" slurp edn/read-string)
@@ -66,11 +65,28 @@
 (defn deploy
   "Deploy built jar to clojars"
   [_]
-  (dd/deploy {:installer :remote
-              :artifact jar-file
-              :pom-file (b/pom-path {:lib lib :class-dir class-dir})}))
+  ((requiring-resolve 'deps-deploy.deps-deploy/deploy)
+    {:installer :remote
+     :artifact jar-file
+     :pom-file (b/pom-path {:lib lib :class-dir class-dir})}))
 
 (defn project-lib
   "Returns project groupid/artifactid"
   [_]
   (println lib))
+
+(defn download-deps
+  "Download all deps for all aliases"
+  [_]
+  (let [aliases (->> "deps.edn"
+                     slurp
+                     edn/read-string
+                     :aliases
+                     keys
+                     sort)]
+    ;; one at a time because aliases with :replace-deps will... well... you know.
+    (println "Bring down default deps")
+    (b/create-basis {})
+    (doseq [a (sort aliases)]
+      (println "Bring down deps for alias" a)
+      (b/create-basis {:aliases [a]}))))

deps.edn

@@ -76,10 +76,13 @@
            ;;
            ;; Deployment
            ;;
-           :build {:deps {io.github.clojure/tools.build {:mvn/version "0.10.1"}
-                          slipset/deps-deploy {:mvn/version "0.2.2"}}
+           :build {:deps {io.github.clojure/tools.build {:mvn/version "0.10.1"}}
                    :ns-default build}
 
+           ;; keep deploy deps separate from build deps to avoid download-deps issues
+           ;; caused by, I think, conflicting maven deps
+           :deploy {:extra-deps {slipset/deps-deploy {:mvn/version "0.2.2"}}}
+
            ;; Maintenance
            :outdated {:extra-deps {org.clojure/clojure {:mvn/version "1.11.3"}
                                    com.github.liquidz/antq {:mvn/version "2.8.1201"}