refactor: Move each command spec into its own file

scripts/sydnix/src/sydnix/commands/help.clj

@@ -2,8 +2,10 @@
   (:require
    [clojure.pprint :refer [pprint]]
    [clojure.spec.alpha :as s]
+   [clojure.string :as str]
    [clojure.zip :as zip]
-   [spec-dict :refer [dict dict*]]))
+   [spec-dict :refer [dict]]
+   [sydnix.cli-table :refer [*cli-table*]]))
 
 (s/def ::block-context
   #{:document :section :paragraph})
@@ -118,12 +120,18 @@
 
 
 
-(defn docs-for-command [command])
+(defn- docs-for-command [command])
 
-(defn command [opts]
+(defn- command-fn [opts]
   (prn "help" opts))
 
 (defn adorn-with-help-option [command-fn]
-  (fn [opts]
-    (prn "adorned help" opts)
-    (command-fn opts)))
+  (fn [{:keys [opts dispatch]}]
+    (if (:help opts)
+      (do (printf "<help for %s>\n" (str/join " " dispatch))
+          (pprint *cli-table*))
+      (command-fn opts))))
+
+(def command
+  {:cmds ["help"]
+   :fn command-fn})

scripts/sydnix/src/sydnix/commands/rebuild.clj

@@ -1,11 +1,19 @@
 (ns sydnix.commands.rebuild
   (:require
-   [clojure.java.shell :refer [sh]]))
+   [clojure.java.shell :refer [sh]]
+   [sydnix.commands.help :refer [adorn-with-help-option]]))
 
-(defn command [{:keys [args opts]}]
-  (let [command
+(defn- command-fn [{:keys [args opts]}]
+  (let [rebuild-cmd
         (concat ["sudo" "nixos-rebuild"]
                 (or args ["switch"])
                 ["--flake" (:flake opts)])]
-    (apply println "$" command)
-    (apply sh command)))
+    (apply println "$" rebuild-cmd)
+    (apply sh rebuild-cmd)))
+
+(def command
+  {:cmds ["rebuild"]
+   :desc "Rebuild the system NixOS and Home-manager configuration"
+   :fn (adorn-with-help-option command-fn)
+   :spec {:flake {:coerce :string
+                  :default "path:///persist/dots"}}})

scripts/sydnix/src/sydnix/commands/status.clj

@@ -1,4 +1,11 @@
-(ns sydnix.commands.status)
+(ns sydnix.commands.status
+  (:require
+   [sydnix.commands.help :refer [adorn-with-help-option]]))
 
-(defn command [opts]
+(defn- command-fn [opts]
   (prn opts))
+
+(def command
+  {:cmds ["status"]
+   :desc "View system info"
+   :fn (adorn-with-help-option command-fn)})

scripts/sydnix/src/sydnix/main.clj

@@ -7,27 +7,12 @@
    [sydnix.commands.rebuild :as cmd-rebuild])
   (:gen-class))
 
-(def cmd-status-spec
-  {})
-
-(def with-help cmd-help/adorn-with-help-option)
-
-(def cmd-rebuild-spec
-  {:flake {:coerce :string
-           :default "path:///persist/dots"}})
-
 (def cli-table
-  [{:cmds ["status"]
-    :desc "View system info"
-    :fn (with-help cmd-status/command)}
-   {:cmds ["rebuild"]
-    :desc "Rebuild the system NixOS and Home-manager configuration"
-    :fn (with-help cmd-rebuild/command)
-    :spec cmd-rebuild-spec}
-   {:cmds ["help"]
-    :fn cmd-help/command}
-   {:cmds []
-    :fn cmd-help/command}])
+  [cmd-status/command
+   cmd-rebuild/command
+   cmd-help/command
+   ;; Show help when no other command matches.
+   (assoc cmd-help/command :cmds [])])
 
 (defn -main [& args]
   (binding [*cli-table* cli-table]