Deeper `Command` hierarchy to remove redundancy

Simply put, we now have `StorePathCommand : public StorePathsCommand` so
`StorePathCommand` doesn't reimplement work.

2 files changed, 4 insertions, 6 deletions

diff --git a/src/libcmd/command.cc b/src/libcmd/command.cc
index efdc98d5a..d29954f67 100644
--- a/src/libcmd/command.cc
+++ b/src/libcmd/command.cc
@@ -118,10 +118,8 @@ void StorePathsCommand::run(ref<Store> store, std::vector<RealisedPath> paths)
     run(store, std::move(storePaths));
 }
 
-void StorePathCommand::run(ref<Store> store)
+void StorePathCommand::run(ref<Store> store, std::vector<StorePath> storePaths)
 {
-    auto storePaths = toStorePaths(store, Realise::Nothing, operateOn, installables);
-
     if (storePaths.size() != 1)
         throw UsageError("this command requires exactly one store path");
 
diff --git a/src/libcmd/command.hh b/src/libcmd/command.hh
index 8c0b3a94a..c02193924 100644
--- a/src/libcmd/command.hh
+++ b/src/libcmd/command.hh
@@ -177,13 +177,13 @@ struct StorePathsCommand : public RealisedPathsCommand
 };
 
 /* A command that operates on exactly one store path. */
-struct StorePathCommand : public InstallablesCommand
+struct StorePathCommand : public StorePathsCommand
 {
-    using StoreCommand::run;
+    using StorePathsCommand::run;
 
     virtual void run(ref<Store> store, const StorePath & storePath) = 0;
 
-    void run(ref<Store> store) override;
+    void run(ref<Store> store, std::vector<StorePath> storePaths) override;
 };
 
 /* A helper class for registering commands globally. */