Add support for:

* namespaced keywords to control lookup of credentials in env vars
* using a vector to define a number of credential sources to be checked in series

(gh-768)

leiningen-core/src/leiningen/core/classpath.clj

@@ -81,7 +81,7 @@
   would be applied to all repositories with URLs matching the regex key
   that didn't have an explicit entry."
   [[id repo]]
-  [id (-> repo user/profile-auth user/gpg-auth user/env-auth)])
+  [id (-> repo user/profile-auth user/resolve-credentials)])
 
 (defn get-proxy-settings
   "Returns a map of the JVM proxy settings"

leiningen-core/src/leiningen/core/project.clj

@@ -43,6 +43,7 @@
                               ;; TODO: point to releases-only before 2.0 is out
                               ["clojars" {:url "https://clojars.org/repo/"}]]
                :deploy-repositories [["clojars" {:url "https://clojars.org/repo/"
+                                                 :username :gpg
                                                  :password :gpg}]]
                :jar-exclusions [#"^\."]
                :jvm-opts ["-XX:+TieredCompilation"]

leiningen-core/src/leiningen/core/user.clj

@@ -56,16 +56,6 @@
 
 (def credentials (memoize credentials-fn))
 
-(defn- env-auth-key [settings [k v]]
-  (assoc settings k (if (= :env v)
-                      (System/getenv (str "LEIN_" (str/upper-case (name k))))
-                      v)))
-
-(defn env-auth
-  "Replace all :env values in map with LEIN_key environment variables."
-  [settings]
-  (reduce env-auth-key {} settings))
-
 (defn- match-credentials [settings auth-map]
   (get auth-map (:url settings)
        (first (for [[re? cred] auth-map
@@ -73,12 +63,31 @@
                                (re-find re? (:url settings)))]
                 cred))))
 
-(defn gpg-auth
-  "Merge values from ~/.lein/credentials.gpg if settings include :gpg."
+(defn- resolve-credential
+  [source-settings result [k v]]
+  (letfn [(resolve [v]
+            (cond
+              (= :env v)
+              (System/getenv (str "LEIN_" (str/upper-case (name k))))
+              
+              (and (keyword? v) (= "env" (namespace v)))
+              (System/getenv (str/upper-case (name v)))
+              
+              (= :gpg v)
+              (get (match-credentials source-settings (credentials)) k)
+              
+              (coll? v)
+              (->> (map resolve v)
+                (remove nil?)
+                first)
+              :else v))]
+    (assoc result k (resolve v))))
+
+(defn resolve-credentials
+  "Applies credentials from environment or ~/.lein/credentials.clj.gpg
+   as they are specified and available."
   [settings]
-  (if (some (partial = :gpg) (vals settings))
-    (merge settings (match-credentials settings (credentials)))
-    settings))
+  (reduce (partial resolve-credential settings) (empty settings) settings))
 
 (def profile-auth-warn
   (delay (println "Warning: :repository-auth in the :auth profile is deprecated.")

leiningen-core/test/leiningen/core/test/classpath.clj

@@ -92,9 +92,9 @@
                         :username "flynn" :password "flotilla"}]
             ["sonatype" {:url "https://oss.sonatype.org/"}]
             ["internal" {:password "reindur" :username "milgrim"
-                         :url "https://sekrit.info/repo" :creds :gpg}]]
+                         :url "https://sekrit.info/repo"}]]
            (map add-repo-auth
                 [["clojars" {:url "http://clojars.org/repo"}]
                  ["sonatype" {:url "https://oss.sonatype.org/"}]
                  ["internal" {:url "https://sekrit.info/repo"
-                              :creds :gpg}]])))))
+                              :username :gpg :password :gpg}]])))))