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Add command 'nix store copy-log'

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Fixes #5222.
This commit is contained in:
Eelco Dolstra 2022-01-17 19:45:21 +01:00
parent 6448ea84ab
commit 4dda1f92aa
13 changed files with 165 additions and 60 deletions
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67
src/libcmd/command.cc
View file

@ -54,6 +54,36 @@ void StoreCommand::run()
run(getStore());
}
CopyCommand::CopyCommand()
{
addFlag({
.longName = "from",
.description = "URL of the source Nix store.",
.labels = {"store-uri"},
.handler = {&srcUri},
});
addFlag({
.longName = "to",
.description = "URL of the destination Nix store.",
.labels = {"store-uri"},
.handler = {&dstUri},
});
}
ref<Store> CopyCommand::createStore()
{
return srcUri.empty() ? StoreCommand::createStore() : openStore(srcUri);
}
ref<Store> CopyCommand::getDstStore()
{
if (srcUri.empty() && dstUri.empty())
throw UsageError("you must pass '--from' and/or '--to'");
return dstUri.empty() ? openStore() : openStore(dstUri);
}
EvalCommand::EvalCommand()
{
}
@ -159,43 +189,6 @@ void StorePathsCommand::run(ref<Store> store, BuiltPaths && paths)
run(store, std::move(sorted));
}
CopyCommand::CopyCommand()
: BuiltPathsCommand(true)
{
addFlag({
.longName = "from",
.description = "URL of the source Nix store.",
.labels = {"store-uri"},
.handler = {&srcUri},
});
addFlag({
.longName = "to",
.description = "URL of the destination Nix store.",
.labels = {"store-uri"},
.handler = {&dstUri},
});
}
ref<Store> CopyCommand::createStore()
{
return srcUri.empty() ? StoreCommand::createStore() : openStore(srcUri);
}
void CopyCommand::run(ref<Store> store)
{
if (srcUri.empty() && dstUri.empty())
throw UsageError("you must pass '--from' and/or '--to'");
BuiltPathsCommand::run(store);
}
void CopyCommand::run(ref<Store> srcStore, BuiltPaths && paths)
{
ref<Store> dstStore = dstUri.empty() ? openStore() : openStore(dstUri);
run(srcStore, dstStore, std::move(paths));
}
void StorePathCommand::run(ref<Store> store, std::vector<StorePath> && storePaths)
{
if (storePaths.size() != 1)

30
src/libcmd/command.hh
View file

@ -43,6 +43,19 @@ private:
std::shared_ptr<Store> _store;
};
/* A command that copies something between `--from` and `--to`
stores. */
struct CopyCommand : virtual StoreCommand
{
std::string srcUri, dstUri;
CopyCommand();
ref<Store> createStore() override;
ref<Store> getDstStore();
};
struct EvalCommand : virtual StoreCommand, MixEvalArgs
{
EvalCommand();
@ -176,23 +189,6 @@ public:
bool useDefaultInstallables() override { return !all; }
};
/* A command that copies something between `--from` and `--to`
stores. */
struct CopyCommand : virtual BuiltPathsCommand
{
std::string srcUri, dstUri;
CopyCommand();
ref<Store> createStore() override;
void run(ref<Store> store) override;
void run(ref<Store> srcStore, BuiltPaths && paths) override;
virtual void run(ref<Store> srcStore, ref<Store> dstStore, BuiltPaths && paths) = 0;
};
struct StorePathsCommand : public BuiltPathsCommand
{
StorePathsCommand(bool recursive = false);