[英]Can I lookup things within a Lein Project in the REPL?
说我有一个vanilla project.clj之类的
(defproject myservice "0.1.0-SNAPSHOT"
:description "FIXME: write description"
:url "http://example.com/FIXME"
:mailing-list {:name "myservice@example.com" :post "myservice@climate.com"}
:license {:name "Eclipse Public License"
:url "http://www.eclipse.org/legal/epl-v10.html"}
:dependencies [[org.clojure/clojure "1.6.0"]
[ring/ring-core "1.4.0"]
[ring/ring-jetty-adapter "1.4.0"]
[compojure "1.4.0"]
[ring/ring-defaults "0.1.5"]
[org.clojure/tools.logging "0.3.1"]
[clj-http "2.0.0"]]
:plugins [[lein-ring "0.9.7"]]
:ring {:handler myservice.core/standalone-app
:port 3000}
:profiles {
:uberjar {:ring {:handler myservice.core/app}}}
)
在lein repl
,我可以从project.clj中查找值吗? 怎么样? 当然我的盲目黑客行不通?
user=> (:mailing-list project)
CompilerException java.lang.RuntimeException: Unable to resolve symbol: project in this context, compiling:(/private/var/folders/1g/fnytl2x93sx6hp2f1rsf4h1r5xtqv_/T/form-init6671981825845237047.clj:1:1)
接下来的问题是我可以在project.clj中进一步使用项目图中的东西吗? 就像我想拉那个邮件列表一样:命名并将其替换为:deb:maintainer?
:deb
{:toDir "target"
:package "mysevice"
:maintainer {:name "Meeples", :email "myservice@example.com"}
...
}
我相信你可以告诉我,我对此很新,但是project.clj只是可执行的Clojure,不是吗? 如果我知道项目地图的名称,我应该可以查询它,对吧?
您可以像def
数据进行def
,并使用~
包含它们
(def mailing-list {:name "myservice@example.com" :post "myservice@climate.com"})
(defproject myservice "0.1.0-SNAPSHOT"
:description "FIXME: write description"
:url "http://example.com/FIXME"
:mailing-list ~mailing-list
:license {:name "Eclipse Public License"
:url "http://www.eclipse.org/legal/epl-v10.html"}
:dependencies [[org.clojure/clojure "1.6.0"]
[ring/ring-core "1.4.0"]
[ring/ring-jetty-adapter "1.4.0"]
[compojure "1.4.0"]
[ring/ring-defaults "0.1.5"]
[org.clojure/tools.logging "0.3.1"]
[clj-http "2.0.0"]]
:plugins [[lein-ring "0.9.7"]]
:ring {:handler myservice.core/standalone-app
:port 3000}
:profiles {
:uberjar {:ring {:handler myservice.core/app}}}
:deb {
:toDir "target"
:package "mysevice"
:maintainer {:name "Meeples", :email (:name ~mailing-list)}})
这是leiningen的相关专线: https : //github.com/technomancy/leiningen/blob/b29b2ea41b6d177a8a57493b979164eab0931e4d/leiningen-core/src/leiningen/core/project.clj#L405
鉴于命名空间是leiningen.core.project
,地图应该在它之下。
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