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Deeper Command hierarchy to remove redundancy

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Simply put, we now have `StorePathCommand : public StorePathsCommand` so
`StorePathCommand` doesn't reimplement work.
This commit is contained in:
John Ericson 2021-02-12 17:33:28 +00:00
parent 4e98f0345c
commit ad337c8697
2 changed files with 4 additions and 6 deletions
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4
src/libcmd/command.cc
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@ -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");

6
src/libcmd/command.hh
View file

@ -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. */