2019-10-14 12:40:16 +00:00
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#include "installables.hh"
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2017-04-25 10:06:32 +00:00
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#include "command.hh"
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2016-02-09 20:34:24 +00:00
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#include "attr-path.hh"
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2017-10-24 10:45:11 +00:00
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#include "common-eval-args.hh"
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2016-02-09 20:34:24 +00:00
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#include "derivations.hh"
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#include "eval-inline.hh"
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#include "eval.hh"
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#include "get-drvs.hh"
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#include "store-api.hh"
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2017-04-25 09:20:37 +00:00
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#include "shared.hh"
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2019-06-05 14:51:54 +00:00
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#include "flake/flake.hh"
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2020-04-20 11:14:59 +00:00
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#include "eval-cache.hh"
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2020-03-30 12:03:28 +00:00
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#include "url.hh"
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2020-05-11 19:49:02 +00:00
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#include "registry.hh"
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2017-04-25 09:20:37 +00:00
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#include <regex>
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2019-05-23 21:42:13 +00:00
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#include <queue>
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2016-02-09 20:34:24 +00:00
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namespace nix {
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2020-06-08 14:20:00 +00:00
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void completeFlakeInputPath(
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ref<EvalState> evalState,
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const FlakeRef & flakeRef,
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std::string_view prefix)
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{
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auto flake = flake::getFlake(*evalState, flakeRef, true);
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for (auto & input : flake.inputs)
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if (hasPrefix(input.first, prefix))
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completions->insert(input.first);
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}
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2019-05-22 11:46:07 +00:00
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MixFlakeOptions::MixFlakeOptions()
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2017-10-24 10:45:11 +00:00
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{
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2020-05-05 16:59:33 +00:00
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addFlag({
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.longName = "recreate-lock-file",
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.description = "recreate lock file from scratch",
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.handler = {&lockFlags.recreateLockFile, true}
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});
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2019-05-14 09:34:45 +00:00
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2020-05-05 16:59:33 +00:00
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addFlag({
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.longName = "no-update-lock-file",
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.description = "do not allow any updates to the lock file",
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.handler = {&lockFlags.updateLockFile, false}
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});
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2020-01-29 20:01:34 +00:00
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2020-05-05 16:59:33 +00:00
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addFlag({
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.longName = "no-write-lock-file",
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.description = "do not write the newly generated lock file",
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.handler = {&lockFlags.writeLockFile, false}
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});
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2019-05-14 09:34:45 +00:00
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2020-05-05 16:59:33 +00:00
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addFlag({
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.longName = "no-registries",
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.description = "don't use flake registries",
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.handler = {&lockFlags.useRegistries, false}
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});
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2020-01-29 13:57:57 +00:00
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2020-05-05 16:59:33 +00:00
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addFlag({
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.longName = "commit-lock-file",
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.description = "commit changes to the lock file",
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.handler = {&lockFlags.commitLockFile, true}
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});
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2020-02-05 13:48:49 +00:00
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2020-05-05 16:59:33 +00:00
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addFlag({
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.longName = "update-input",
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.description = "update a specific flake input",
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.labels = {"input-path"},
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.handler = {[&](std::string s) {
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lockFlags.inputUpdates.insert(flake::parseInputPath(s));
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2020-06-08 14:20:00 +00:00
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}},
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.completer = {[&](size_t, std::string_view prefix) {
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if (auto flakeRef = getFlakeRefForCompletion())
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completeFlakeInputPath(getEvalState(), *flakeRef, prefix);
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2020-05-05 16:59:33 +00:00
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}}
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});
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2020-01-29 22:12:58 +00:00
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2020-05-05 16:59:33 +00:00
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addFlag({
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.longName = "override-input",
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2020-08-19 12:21:27 +00:00
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.description = "override a specific flake input (e.g. `dwarffs/nixpkgs`)",
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2020-05-05 16:59:33 +00:00
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.labels = {"input-path", "flake-url"},
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.handler = {[&](std::string inputPath, std::string flakeRef) {
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2020-01-29 13:57:57 +00:00
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lockFlags.inputOverrides.insert_or_assign(
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2020-05-05 16:59:33 +00:00
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flake::parseInputPath(inputPath),
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parseFlakeRef(flakeRef, absPath(".")));
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}}
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});
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2020-07-01 18:23:39 +00:00
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addFlag({
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.longName = "inputs-from",
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.description = "use the inputs of the specified flake as registry entries",
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.labels = {"flake-url"},
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.handler = {[&](std::string flakeRef) {
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auto evalState = getEvalState();
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auto flake = flake::lockFlake(
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*evalState,
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parseFlakeRef(flakeRef, absPath(".")),
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{ .writeLockFile = false });
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for (auto & [inputName, input] : flake.lockFile.root->inputs) {
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auto input2 = flake.lockFile.findInput({inputName}); // resolve 'follows' nodes
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if (auto input3 = std::dynamic_pointer_cast<const flake::LockedNode>(input2)) {
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overrideRegistry(
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fetchers::Input::fromAttrs({{"type","indirect"}, {"id", inputName}}),
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input3->lockedRef.input,
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{});
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}
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}
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}},
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.completer = {[&](size_t, std::string_view prefix) {
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completeFlakeRef(getEvalState()->store, prefix);
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}}
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});
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2019-05-22 11:46:07 +00:00
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}
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SourceExprCommand::SourceExprCommand()
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{
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2020-05-04 20:40:19 +00:00
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addFlag({
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.longName = "file",
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.shortName = 'f',
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2020-08-19 12:21:27 +00:00
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.description = "evaluate *file* rather than the default",
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2020-05-04 20:40:19 +00:00
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.labels = {"file"},
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2020-05-10 19:35:07 +00:00
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.handler = {&file},
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.completer = completePath
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2020-05-04 20:40:19 +00:00
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});
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2019-11-26 23:05:30 +00:00
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2020-05-05 16:59:33 +00:00
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addFlag({
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.longName ="expr",
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2020-08-19 12:21:27 +00:00
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.description = "evaluate attributes from *expr*",
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2020-05-05 16:59:33 +00:00
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.labels = {"expr"},
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.handler = {&expr}
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});
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2020-07-15 18:22:52 +00:00
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addFlag({
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.longName ="derivation",
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.description = "operate on the store derivation rather than its outputs",
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.handler = {&operateOn, OperateOn::Derivation},
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});
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2017-10-24 10:45:11 +00:00
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}
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Support non-x86_64-linux system types in flakes
A command like
$ nix run nixpkgs#hello
will now build the attribute 'packages.${system}.hello' rather than
'packages.hello'. Note that this does mean that the flake needs to
export an attribute for every system type it supports, and you can't
build on unsupported systems. So 'packages' typically looks like this:
packages = nixpkgs.lib.genAttrs ["x86_64-linux" "i686-linux"] (system: {
hello = ...;
});
The 'checks', 'defaultPackage', 'devShell', 'apps' and 'defaultApp'
outputs similarly are now attrsets that map system types to
derivations/apps. 'nix flake check' checks that the derivations for
all platforms evaluate correctly, but only builds the derivations in
'checks.${system}'.
Fixes #2861. (That issue also talks about access to ~/.config/nixpkgs
and --arg, but I think it's reasonable to say that flakes shouldn't
support those.)
The alternative to attribute selection is to pass the system type as
an argument to the flake's 'outputs' function, e.g. 'outputs = { self,
nixpkgs, system }: ...'. However, that approach would be at odds with
hermetic evaluation and make it impossible to enumerate the packages
provided by a flake.
2019-10-15 15:52:10 +00:00
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Strings SourceExprCommand::getDefaultFlakeAttrPaths()
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{
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return {"defaultPackage." + settings.thisSystem.get()};
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}
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Strings SourceExprCommand::getDefaultFlakeAttrPathPrefixes()
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{
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return {
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// As a convenience, look for the attribute in
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// 'outputs.packages'.
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"packages." + settings.thisSystem.get() + ".",
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// As a temporary hack until Nixpkgs is properly converted
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// to provide a clean 'packages' set, look in 'legacyPackages'.
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"legacyPackages." + settings.thisSystem.get() + "."
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};
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}
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2020-05-11 19:49:02 +00:00
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void SourceExprCommand::completeInstallable(std::string_view prefix)
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{
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if (file) return; // FIXME
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2020-06-05 12:09:12 +00:00
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completeFlakeRefWithFragment(
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getEvalState(),
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lockFlags,
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getDefaultFlakeAttrPathPrefixes(),
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getDefaultFlakeAttrPaths(),
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prefix);
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}
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void completeFlakeRefWithFragment(
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ref<EvalState> evalState,
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flake::LockFlags lockFlags,
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Strings attrPathPrefixes,
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const Strings & defaultFlakeAttrPaths,
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std::string_view prefix)
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{
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2020-05-11 19:49:02 +00:00
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/* Look for flake output attributes that match the
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prefix. */
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try {
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auto hash = prefix.find('#');
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if (hash != std::string::npos) {
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auto fragment = prefix.substr(hash + 1);
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auto flakeRefS = std::string(prefix.substr(0, hash));
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// FIXME: do tilde expansion.
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auto flakeRef = parseFlakeRef(flakeRefS, absPath("."));
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2020-06-05 12:09:12 +00:00
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auto evalCache = openEvalCache(*evalState,
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2020-08-07 12:13:24 +00:00
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std::make_shared<flake::LockedFlake>(lockFlake(*evalState, flakeRef, lockFlags)));
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2020-05-11 19:49:02 +00:00
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auto root = evalCache->getRoot();
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/* Complete 'fragment' relative to all the
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attrpath prefixes as well as the root of the
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flake. */
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attrPathPrefixes.push_back("");
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for (auto & attrPathPrefixS : attrPathPrefixes) {
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2020-06-05 12:09:12 +00:00
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auto attrPathPrefix = parseAttrPath(*evalState, attrPathPrefixS);
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2020-05-11 19:49:02 +00:00
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auto attrPathS = attrPathPrefixS + std::string(fragment);
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2020-06-05 12:09:12 +00:00
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auto attrPath = parseAttrPath(*evalState, attrPathS);
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2020-05-11 19:49:02 +00:00
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std::string lastAttr;
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if (!attrPath.empty() && !hasSuffix(attrPathS, ".")) {
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lastAttr = attrPath.back();
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attrPath.pop_back();
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}
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auto attr = root->findAlongAttrPath(attrPath);
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if (!attr) continue;
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2020-06-05 12:09:12 +00:00
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for (auto & attr2 : attr->getAttrs()) {
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2020-05-11 19:49:02 +00:00
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if (hasPrefix(attr2, lastAttr)) {
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auto attrPath2 = attr->getAttrPath(attr2);
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/* Strip the attrpath prefix. */
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attrPath2.erase(attrPath2.begin(), attrPath2.begin() + attrPathPrefix.size());
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completions->insert(flakeRefS + "#" + concatStringsSep(".", attrPath2));
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}
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}
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}
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/* And add an empty completion for the default
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attrpaths. */
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if (fragment.empty()) {
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2020-06-05 12:09:12 +00:00
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for (auto & attrPath : defaultFlakeAttrPaths) {
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auto attr = root->findAlongAttrPath(parseAttrPath(*evalState, attrPath));
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2020-05-11 19:49:02 +00:00
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if (!attr) continue;
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completions->insert(flakeRefS + "#");
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}
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}
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}
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} catch (Error & e) {
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warn(e.msg());
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}
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2020-06-05 12:09:12 +00:00
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completeFlakeRef(evalState->store, prefix);
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2020-05-11 20:10:33 +00:00
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}
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2019-05-16 20:48:16 +00:00
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ref<EvalState> EvalCommand::getEvalState()
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2017-07-17 17:02:56 +00:00
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{
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2020-01-21 15:27:53 +00:00
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if (!evalState)
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2017-10-24 10:45:11 +00:00
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evalState = std::make_shared<EvalState>(searchPath, getStore());
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2017-07-17 17:02:56 +00:00
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return ref<EvalState>(evalState);
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}
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2020-06-05 12:09:12 +00:00
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void completeFlakeRef(ref<Store> store, std::string_view prefix)
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2020-05-11 20:10:33 +00:00
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{
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if (prefix == "")
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completions->insert(".");
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completeDir(0, prefix);
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2020-05-11 19:49:02 +00:00
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/* Look for registry entries that match the prefix. */
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2020-06-05 12:09:12 +00:00
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for (auto & registry : fetchers::getRegistries(store)) {
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2020-05-11 19:49:02 +00:00
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for (auto & entry : registry->entries) {
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Remove TreeInfo
The attributes previously stored in TreeInfo (narHash, revCount,
lastModified) are now stored in Input. This makes it less arbitrary
what attributes are stored where.
As a result, the lock file format has changed. An entry like
"info": {
"lastModified": 1585405475,
"narHash": "sha256-bESW0n4KgPmZ0luxvwJ+UyATrC6iIltVCsGdLiphVeE="
},
"locked": {
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "b88ff468e9850410070d4e0ccd68c7011f15b2be",
"type": "github"
},
is now stored as
"locked": {
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "b88ff468e9850410070d4e0ccd68c7011f15b2be",
"type": "github",
"lastModified": 1585405475,
"narHash": "sha256-bESW0n4KgPmZ0luxvwJ+UyATrC6iIltVCsGdLiphVeE="
},
The 'Input' class is now a dumb set of attributes. All the fetcher
implementations subclass InputScheme, not Input. This simplifies the
API.
Also, fix substitution of flake inputs. This was broken since lazy
flake fetching started using fetchTree internally.
2020-05-29 22:44:11 +00:00
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auto from = entry.from.to_string();
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2020-05-11 19:49:02 +00:00
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if (!hasPrefix(prefix, "flake:") && hasPrefix(from, "flake:")) {
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std::string from2(from, 6);
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if (hasPrefix(from2, prefix))
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completions->insert(from2);
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} else {
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if (hasPrefix(from, prefix))
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completions->insert(from);
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}
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}
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}
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}
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2017-09-06 14:03:22 +00:00
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Buildable Installable::toBuildable()
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{
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auto buildables = toBuildables();
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if (buildables.size() != 1)
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throw Error("installable '%s' evaluates to %d derivations, where only one is expected", what(), buildables.size());
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return std::move(buildables[0]);
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}
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2020-04-20 13:27:09 +00:00
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std::vector<std::pair<std::shared_ptr<eval_cache::AttrCursor>, std::string>>
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2020-08-07 12:13:24 +00:00
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Installable::getCursors(EvalState & state)
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2020-04-20 13:27:09 +00:00
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{
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auto evalCache =
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2020-07-16 14:58:53 +00:00
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std::make_shared<nix::eval_cache::EvalCache>(std::nullopt, state,
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2020-04-20 13:27:09 +00:00
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[&]() { return toValue(state).first; });
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return {{evalCache->getRoot(), ""}};
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}
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2020-06-04 18:02:50 +00:00
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std::pair<std::shared_ptr<eval_cache::AttrCursor>, std::string>
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2020-08-07 12:13:24 +00:00
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Installable::getCursor(EvalState & state)
|
2020-06-04 18:02:50 +00:00
|
|
|
{
|
2020-08-07 12:13:24 +00:00
|
|
|
auto cursors = getCursors(state);
|
2020-06-04 18:02:50 +00:00
|
|
|
if (cursors.empty())
|
|
|
|
throw Error("cannot find flake attribute '%s'", what());
|
|
|
|
return cursors[0];
|
|
|
|
}
|
|
|
|
|
2017-04-25 09:20:37 +00:00
|
|
|
struct InstallableStorePath : Installable
|
2016-02-09 20:34:24 +00:00
|
|
|
{
|
2019-12-05 18:11:09 +00:00
|
|
|
ref<Store> store;
|
|
|
|
StorePath storePath;
|
2017-04-25 09:20:37 +00:00
|
|
|
|
2020-07-13 14:19:37 +00:00
|
|
|
InstallableStorePath(ref<Store> store, StorePath && storePath)
|
|
|
|
: store(store), storePath(std::move(storePath)) { }
|
2017-04-25 09:20:37 +00:00
|
|
|
|
2019-12-05 18:11:09 +00:00
|
|
|
std::string what() override { return store->printStorePath(storePath); }
|
2017-04-25 09:20:37 +00:00
|
|
|
|
2017-09-06 14:03:22 +00:00
|
|
|
Buildables toBuildables() override
|
2017-04-25 09:20:37 +00:00
|
|
|
{
|
2020-07-15 17:50:32 +00:00
|
|
|
if (storePath.isDerivation()) {
|
2020-08-07 19:09:26 +00:00
|
|
|
std::map<std::string, std::optional<StorePath>> outputs;
|
2020-07-16 17:32:28 +00:00
|
|
|
auto drv = store->readDerivation(storePath);
|
2020-08-14 17:00:13 +00:00
|
|
|
for (auto & [name, output] : drv.outputsAndOptPaths(*store))
|
|
|
|
outputs.emplace(name, output.second);
|
2020-07-15 17:50:32 +00:00
|
|
|
return {
|
2020-07-23 19:02:57 +00:00
|
|
|
BuildableFromDrv {
|
2020-07-15 17:50:32 +00:00
|
|
|
.drvPath = storePath,
|
|
|
|
.outputs = std::move(outputs)
|
|
|
|
}
|
|
|
|
};
|
|
|
|
} else {
|
|
|
|
return {
|
2020-07-23 19:02:57 +00:00
|
|
|
BuildableOpaque {
|
|
|
|
.path = storePath,
|
2020-07-15 17:50:32 +00:00
|
|
|
}
|
|
|
|
};
|
|
|
|
}
|
2017-04-25 09:20:37 +00:00
|
|
|
}
|
2019-07-12 14:28:39 +00:00
|
|
|
|
2019-12-11 13:53:30 +00:00
|
|
|
std::optional<StorePath> getStorePath() override
|
2019-07-12 14:28:39 +00:00
|
|
|
{
|
2020-06-16 20:20:18 +00:00
|
|
|
return storePath;
|
2019-07-12 14:28:39 +00:00
|
|
|
}
|
2017-04-25 09:20:37 +00:00
|
|
|
};
|
|
|
|
|
2019-10-14 12:40:16 +00:00
|
|
|
Buildables InstallableValue::toBuildables()
|
|
|
|
{
|
|
|
|
Buildables res;
|
2017-09-06 14:03:22 +00:00
|
|
|
|
2020-08-07 19:09:26 +00:00
|
|
|
std::map<StorePath, std::map<std::string, std::optional<StorePath>>> drvsToOutputs;
|
2017-09-06 14:03:22 +00:00
|
|
|
|
2020-07-23 19:02:57 +00:00
|
|
|
// Group by derivation, helps with .all in particular
|
2019-10-14 12:40:16 +00:00
|
|
|
for (auto & drv : toDerivations()) {
|
|
|
|
auto outputName = drv.outputName;
|
|
|
|
if (outputName == "")
|
2020-07-23 19:02:57 +00:00
|
|
|
throw Error("derivation '%s' lacks an 'outputName' attribute", state->store->printStorePath(drv.drvPath));
|
|
|
|
drvsToOutputs[drv.drvPath].insert_or_assign(outputName, drv.outPath);
|
2017-04-25 09:20:37 +00:00
|
|
|
}
|
2019-10-14 12:40:16 +00:00
|
|
|
|
2020-07-23 19:02:57 +00:00
|
|
|
for (auto & i : drvsToOutputs)
|
|
|
|
res.push_back(BuildableFromDrv { i.first, i.second });
|
|
|
|
|
|
|
|
return res;
|
2019-10-14 12:40:16 +00:00
|
|
|
}
|
2017-08-29 14:18:00 +00:00
|
|
|
|
|
|
|
struct InstallableAttrPath : InstallableValue
|
2017-04-25 09:20:37 +00:00
|
|
|
{
|
2020-05-09 15:35:33 +00:00
|
|
|
SourceExprCommand & cmd;
|
2020-04-16 14:54:34 +00:00
|
|
|
RootValue v;
|
2017-04-25 09:20:37 +00:00
|
|
|
std::string attrPath;
|
|
|
|
|
2020-05-09 15:35:33 +00:00
|
|
|
InstallableAttrPath(ref<EvalState> state, SourceExprCommand & cmd, Value * v, const std::string & attrPath)
|
|
|
|
: InstallableValue(state), cmd(cmd), v(allocRootValue(v)), attrPath(attrPath)
|
2017-04-25 09:20:37 +00:00
|
|
|
{ }
|
|
|
|
|
|
|
|
std::string what() override { return attrPath; }
|
|
|
|
|
2020-02-07 13:22:01 +00:00
|
|
|
std::pair<Value *, Pos> toValue(EvalState & state) override
|
2017-04-25 09:20:37 +00:00
|
|
|
{
|
2020-04-16 14:54:34 +00:00
|
|
|
auto [vRes, pos] = findAlongAttrPath(state, attrPath, *cmd.getAutoArgs(state), **v);
|
2019-04-08 14:11:17 +00:00
|
|
|
state.forceValue(*vRes);
|
2020-02-07 13:22:01 +00:00
|
|
|
return {vRes, pos};
|
2017-04-25 09:20:37 +00:00
|
|
|
}
|
2020-05-09 15:35:33 +00:00
|
|
|
|
|
|
|
virtual std::vector<InstallableValue::DerivationInfo> toDerivations() override;
|
2017-04-25 09:20:37 +00:00
|
|
|
};
|
|
|
|
|
2020-05-09 20:07:18 +00:00
|
|
|
std::vector<InstallableValue::DerivationInfo> InstallableAttrPath::toDerivations()
|
|
|
|
{
|
|
|
|
auto v = toValue(*state).first;
|
|
|
|
|
|
|
|
Bindings & autoArgs = *cmd.getAutoArgs(*state);
|
|
|
|
|
|
|
|
DrvInfos drvInfos;
|
|
|
|
getDerivations(*state, *v, "", autoArgs, drvInfos, false);
|
|
|
|
|
|
|
|
std::vector<DerivationInfo> res;
|
|
|
|
for (auto & drvInfo : drvInfos) {
|
|
|
|
res.push_back({
|
|
|
|
state->store->parseStorePath(drvInfo.queryDrvPath()),
|
|
|
|
state->store->parseStorePath(drvInfo.queryOutPath()),
|
|
|
|
drvInfo.queryOutputName()
|
|
|
|
});
|
|
|
|
}
|
|
|
|
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
2019-10-14 12:40:16 +00:00
|
|
|
std::vector<std::string> InstallableFlake::getActualAttrPaths()
|
2019-04-08 12:21:13 +00:00
|
|
|
{
|
2019-10-14 12:40:16 +00:00
|
|
|
std::vector<std::string> res;
|
2019-05-01 09:38:48 +00:00
|
|
|
|
2019-10-14 12:40:16 +00:00
|
|
|
for (auto & prefix : prefixes)
|
|
|
|
res.push_back(prefix + *attrPaths.begin());
|
2019-06-07 20:25:48 +00:00
|
|
|
|
2019-10-14 12:40:16 +00:00
|
|
|
for (auto & s : attrPaths)
|
|
|
|
res.push_back(s);
|
2019-06-07 20:25:48 +00:00
|
|
|
|
2019-10-14 12:40:16 +00:00
|
|
|
return res;
|
|
|
|
}
|
2019-06-07 20:25:48 +00:00
|
|
|
|
2020-01-22 19:59:59 +00:00
|
|
|
Value * InstallableFlake::getFlakeOutputs(EvalState & state, const flake::LockedFlake & lockedFlake)
|
2019-10-14 12:40:16 +00:00
|
|
|
{
|
|
|
|
auto vFlake = state.allocValue();
|
2019-05-23 21:42:13 +00:00
|
|
|
|
2020-01-22 19:59:59 +00:00
|
|
|
callFlake(state, lockedFlake, *vFlake);
|
2019-05-23 21:42:13 +00:00
|
|
|
|
2019-10-14 12:40:16 +00:00
|
|
|
auto aOutputs = vFlake->attrs->get(state.symbols.create("outputs"));
|
|
|
|
assert(aOutputs);
|
2019-04-08 12:21:13 +00:00
|
|
|
|
2020-02-14 21:45:33 +00:00
|
|
|
state.forceValue(*aOutputs->value);
|
2019-04-08 12:21:13 +00:00
|
|
|
|
2020-02-14 21:45:33 +00:00
|
|
|
return aOutputs->value;
|
2019-10-14 12:40:16 +00:00
|
|
|
}
|
2019-04-08 12:21:13 +00:00
|
|
|
|
2020-04-20 11:13:52 +00:00
|
|
|
ref<eval_cache::EvalCache> openEvalCache(
|
|
|
|
EvalState & state,
|
2020-08-07 12:13:24 +00:00
|
|
|
std::shared_ptr<flake::LockedFlake> lockedFlake)
|
2020-04-20 11:13:52 +00:00
|
|
|
{
|
2020-08-04 03:46:28 +00:00
|
|
|
auto fingerprint = lockedFlake->getFingerprint();
|
2020-07-16 14:58:53 +00:00
|
|
|
return make_ref<nix::eval_cache::EvalCache>(
|
2020-08-07 12:13:24 +00:00
|
|
|
evalSettings.useEvalCache && evalSettings.pureEval
|
2020-07-16 14:58:53 +00:00
|
|
|
? std::optional { std::cref(fingerprint) }
|
|
|
|
: std::nullopt,
|
2020-04-20 11:13:52 +00:00
|
|
|
state,
|
2020-04-20 13:27:09 +00:00
|
|
|
[&state, lockedFlake]()
|
2020-04-20 11:13:52 +00:00
|
|
|
{
|
|
|
|
/* For testing whether the evaluation cache is
|
|
|
|
complete. */
|
|
|
|
if (getEnv("NIX_ALLOW_EVAL").value_or("1") == "0")
|
|
|
|
throw Error("not everything is cached, but evaluation is not allowed");
|
|
|
|
|
|
|
|
auto vFlake = state.allocValue();
|
2020-04-20 13:27:09 +00:00
|
|
|
flake::callFlake(state, *lockedFlake, *vFlake);
|
2020-04-20 11:13:52 +00:00
|
|
|
|
|
|
|
state.forceAttrs(*vFlake);
|
|
|
|
|
|
|
|
auto aOutputs = vFlake->attrs->get(state.symbols.create("outputs"));
|
|
|
|
assert(aOutputs);
|
|
|
|
|
|
|
|
return aOutputs->value;
|
2020-07-16 14:58:53 +00:00
|
|
|
});
|
2020-04-20 11:13:52 +00:00
|
|
|
}
|
|
|
|
|
2020-06-17 15:13:01 +00:00
|
|
|
static std::string showAttrPaths(const std::vector<std::string> & paths)
|
|
|
|
{
|
|
|
|
std::string s;
|
|
|
|
for (const auto & [n, i] : enumerate(paths)) {
|
|
|
|
if (n > 0) s += n + 1 == paths.size() ? " or " : ", ";
|
|
|
|
s += '\''; s += i; s += '\'';
|
|
|
|
}
|
|
|
|
return s;
|
|
|
|
}
|
|
|
|
|
2020-04-20 11:13:52 +00:00
|
|
|
std::tuple<std::string, FlakeRef, InstallableValue::DerivationInfo> InstallableFlake::toDerivation()
|
2019-10-14 12:40:16 +00:00
|
|
|
{
|
2020-05-13 05:45:45 +00:00
|
|
|
auto lockedFlake = getLockedFlake();
|
2019-06-07 20:25:48 +00:00
|
|
|
|
2020-08-07 12:13:24 +00:00
|
|
|
auto cache = openEvalCache(*state, lockedFlake);
|
2020-04-20 11:13:52 +00:00
|
|
|
auto root = cache->getRoot();
|
2019-06-07 20:25:48 +00:00
|
|
|
|
2019-10-14 12:40:16 +00:00
|
|
|
for (auto & attrPath : getActualAttrPaths()) {
|
2020-04-20 11:13:52 +00:00
|
|
|
auto attr = root->findAlongAttrPath(parseAttrPath(*state, attrPath));
|
|
|
|
if (!attr) continue;
|
|
|
|
|
|
|
|
if (!attr->isDerivation())
|
|
|
|
throw Error("flake output attribute '%s' is not a derivation", attrPath);
|
|
|
|
|
2020-06-29 14:39:41 +00:00
|
|
|
auto drvPath = attr->forceDerivation();
|
2019-05-29 19:30:22 +00:00
|
|
|
|
2020-04-20 11:13:52 +00:00
|
|
|
auto drvInfo = DerivationInfo{
|
|
|
|
std::move(drvPath),
|
|
|
|
state->store->parseStorePath(attr->getAttr(state->sOutPath)->getString()),
|
|
|
|
attr->getAttr(state->sOutputName)->getString()
|
|
|
|
};
|
2019-06-07 20:25:48 +00:00
|
|
|
|
2020-04-20 13:27:09 +00:00
|
|
|
return {attrPath, lockedFlake->flake.lockedRef, std::move(drvInfo)};
|
2019-06-07 20:25:48 +00:00
|
|
|
}
|
|
|
|
|
2019-10-14 12:40:16 +00:00
|
|
|
throw Error("flake '%s' does not provide attribute %s",
|
2020-06-17 15:13:01 +00:00
|
|
|
flakeRef, showAttrPaths(getActualAttrPaths()));
|
2019-10-14 12:40:16 +00:00
|
|
|
}
|
|
|
|
|
2020-04-20 11:13:52 +00:00
|
|
|
std::vector<InstallableValue::DerivationInfo> InstallableFlake::toDerivations()
|
2019-10-21 22:21:58 +00:00
|
|
|
{
|
2020-04-20 11:13:52 +00:00
|
|
|
std::vector<DerivationInfo> res;
|
2019-12-11 13:53:30 +00:00
|
|
|
res.push_back(std::get<2>(toDerivation()));
|
|
|
|
return res;
|
2019-10-21 22:21:58 +00:00
|
|
|
}
|
|
|
|
|
2020-02-07 13:22:01 +00:00
|
|
|
std::pair<Value *, Pos> InstallableFlake::toValue(EvalState & state)
|
2019-10-14 12:40:16 +00:00
|
|
|
{
|
2020-05-13 05:45:45 +00:00
|
|
|
auto lockedFlake = getLockedFlake();
|
2019-06-07 20:25:48 +00:00
|
|
|
|
2020-05-13 05:45:45 +00:00
|
|
|
auto vOutputs = getFlakeOutputs(state, *lockedFlake);
|
2019-06-07 20:25:48 +00:00
|
|
|
|
2019-10-14 12:40:16 +00:00
|
|
|
auto emptyArgs = state.allocBindings(0);
|
2019-06-07 20:25:48 +00:00
|
|
|
|
2019-10-14 12:40:16 +00:00
|
|
|
for (auto & attrPath : getActualAttrPaths()) {
|
|
|
|
try {
|
2020-02-07 13:22:01 +00:00
|
|
|
auto [v, pos] = findAlongAttrPath(state, attrPath, *emptyArgs, *vOutputs);
|
2019-10-14 12:40:16 +00:00
|
|
|
state.forceValue(*v);
|
2020-02-07 13:22:01 +00:00
|
|
|
return {v, pos};
|
2019-10-14 12:40:16 +00:00
|
|
|
} catch (AttrPathNotFound & e) {
|
2019-04-08 12:21:13 +00:00
|
|
|
}
|
|
|
|
}
|
2019-10-14 12:40:16 +00:00
|
|
|
|
|
|
|
throw Error("flake '%s' does not provide attribute %s",
|
2020-06-17 15:13:01 +00:00
|
|
|
flakeRef, showAttrPaths(getActualAttrPaths()));
|
2019-10-14 12:40:16 +00:00
|
|
|
}
|
2019-04-08 12:21:13 +00:00
|
|
|
|
2020-04-20 13:27:09 +00:00
|
|
|
std::vector<std::pair<std::shared_ptr<eval_cache::AttrCursor>, std::string>>
|
2020-08-07 12:13:24 +00:00
|
|
|
InstallableFlake::getCursors(EvalState & state)
|
2020-04-20 13:27:09 +00:00
|
|
|
{
|
|
|
|
auto evalCache = openEvalCache(state,
|
2020-08-07 12:13:24 +00:00
|
|
|
std::make_shared<flake::LockedFlake>(lockFlake(state, flakeRef, lockFlags)));
|
2020-04-20 13:27:09 +00:00
|
|
|
|
|
|
|
auto root = evalCache->getRoot();
|
|
|
|
|
|
|
|
std::vector<std::pair<std::shared_ptr<eval_cache::AttrCursor>, std::string>> res;
|
|
|
|
|
|
|
|
for (auto & attrPath : getActualAttrPaths()) {
|
|
|
|
auto attr = root->findAlongAttrPath(parseAttrPath(state, attrPath));
|
|
|
|
if (attr) res.push_back({attr, attrPath});
|
|
|
|
}
|
|
|
|
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
2020-05-13 05:45:45 +00:00
|
|
|
std::shared_ptr<flake::LockedFlake> InstallableFlake::getLockedFlake() const
|
|
|
|
{
|
|
|
|
if (!_lockedFlake)
|
|
|
|
_lockedFlake = std::make_shared<flake::LockedFlake>(lockFlake(*state, flakeRef, lockFlags));
|
|
|
|
return _lockedFlake;
|
|
|
|
}
|
|
|
|
|
2020-05-05 16:49:39 +00:00
|
|
|
FlakeRef InstallableFlake::nixpkgsFlakeRef() const
|
|
|
|
{
|
2020-05-13 05:45:45 +00:00
|
|
|
auto lockedFlake = getLockedFlake();
|
2020-05-05 16:49:39 +00:00
|
|
|
|
2020-06-11 12:40:21 +00:00
|
|
|
if (auto nixpkgsInput = lockedFlake->lockFile.findInput({"nixpkgs"})) {
|
|
|
|
if (auto lockedNode = std::dynamic_pointer_cast<const flake::LockedNode>(nixpkgsInput)) {
|
2020-05-28 10:13:13 +00:00
|
|
|
debug("using nixpkgs flake '%s'", lockedNode->lockedRef);
|
|
|
|
return std::move(lockedNode->lockedRef);
|
|
|
|
}
|
2020-05-05 16:49:39 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return Installable::nixpkgsFlakeRef();
|
|
|
|
}
|
|
|
|
|
2019-04-08 14:11:17 +00:00
|
|
|
std::vector<std::shared_ptr<Installable>> SourceExprCommand::parseInstallables(
|
|
|
|
ref<Store> store, std::vector<std::string> ss)
|
2017-04-25 09:20:37 +00:00
|
|
|
{
|
|
|
|
std::vector<std::shared_ptr<Installable>> result;
|
2016-02-09 20:34:24 +00:00
|
|
|
|
2019-11-26 23:05:30 +00:00
|
|
|
if (file || expr) {
|
|
|
|
if (file && expr)
|
|
|
|
throw UsageError("'--file' and '--expr' are exclusive");
|
|
|
|
|
2019-04-08 14:11:17 +00:00
|
|
|
// FIXME: backward compatibility hack
|
2019-11-26 23:05:30 +00:00
|
|
|
if (file) evalSettings.pureEval = false;
|
2017-04-25 13:18:05 +00:00
|
|
|
|
2019-04-08 14:11:17 +00:00
|
|
|
auto state = getEvalState();
|
|
|
|
auto vFile = state->allocValue();
|
2016-02-09 20:34:24 +00:00
|
|
|
|
2019-11-26 23:05:30 +00:00
|
|
|
if (file)
|
|
|
|
state->evalFile(lookupFileArg(*state, *file), *vFile);
|
|
|
|
else {
|
|
|
|
auto e = state->parseExprFromString(*expr, absPath("."));
|
|
|
|
state->eval(e, *vFile);
|
|
|
|
}
|
2017-07-04 13:38:23 +00:00
|
|
|
|
2019-04-08 14:11:17 +00:00
|
|
|
for (auto & s : ss)
|
2020-05-09 15:35:33 +00:00
|
|
|
result.push_back(std::make_shared<InstallableAttrPath>(state, *this, vFile, s == "." ? "" : s));
|
2016-02-09 20:34:24 +00:00
|
|
|
|
2019-04-08 14:11:17 +00:00
|
|
|
} else {
|
2016-02-09 20:34:24 +00:00
|
|
|
|
2019-04-08 14:11:17 +00:00
|
|
|
for (auto & s : ss) {
|
2020-05-06 15:20:23 +00:00
|
|
|
std::exception_ptr ex;
|
|
|
|
|
|
|
|
try {
|
|
|
|
auto [flakeRef, fragment] = parseFlakeRefWithFragment(s, absPath("."));
|
|
|
|
result.push_back(std::make_shared<InstallableFlake>(
|
2020-05-09 15:35:33 +00:00
|
|
|
getEvalState(), std::move(flakeRef),
|
2020-05-06 15:20:23 +00:00
|
|
|
fragment == "" ? getDefaultFlakeAttrPaths() : Strings{fragment},
|
2020-05-09 15:35:33 +00:00
|
|
|
getDefaultFlakeAttrPathPrefixes(), lockFlags));
|
2020-05-06 15:20:23 +00:00
|
|
|
continue;
|
|
|
|
} catch (...) {
|
|
|
|
ex = std::current_exception();
|
2019-04-08 14:22:04 +00:00
|
|
|
}
|
|
|
|
|
2020-05-06 15:20:23 +00:00
|
|
|
if (s.find('/') != std::string::npos) {
|
2020-04-27 20:53:11 +00:00
|
|
|
try {
|
2020-07-14 11:56:18 +00:00
|
|
|
result.push_back(std::make_shared<InstallableStorePath>(store, store->followLinksToStorePath(s)));
|
2020-04-27 20:53:11 +00:00
|
|
|
continue;
|
2020-07-14 11:56:18 +00:00
|
|
|
} catch (BadStorePath &) {
|
2020-04-27 20:53:11 +00:00
|
|
|
} catch (...) {
|
2020-05-06 15:20:23 +00:00
|
|
|
if (!ex)
|
|
|
|
ex = std::current_exception();
|
2020-04-27 20:53:11 +00:00
|
|
|
}
|
2020-05-06 15:20:23 +00:00
|
|
|
}
|
2020-04-27 20:53:11 +00:00
|
|
|
|
2020-05-06 15:20:23 +00:00
|
|
|
std::rethrow_exception(ex);
|
2020-04-27 20:53:11 +00:00
|
|
|
|
2020-05-06 15:20:23 +00:00
|
|
|
/*
|
|
|
|
throw Error(
|
|
|
|
pathExists(s)
|
|
|
|
? "path '%s' is not a flake or a store path"
|
|
|
|
: "don't know how to handle argument '%s'", s);
|
|
|
|
*/
|
2019-04-08 14:11:17 +00:00
|
|
|
}
|
2017-04-25 09:20:37 +00:00
|
|
|
}
|
2016-02-09 20:34:24 +00:00
|
|
|
|
2017-04-25 09:20:37 +00:00
|
|
|
return result;
|
|
|
|
}
|
2016-02-09 20:34:24 +00:00
|
|
|
|
2019-04-08 14:11:17 +00:00
|
|
|
std::shared_ptr<Installable> SourceExprCommand::parseInstallable(
|
|
|
|
ref<Store> store, const std::string & installable)
|
2017-09-10 13:58:30 +00:00
|
|
|
{
|
2019-04-08 14:11:17 +00:00
|
|
|
auto installables = parseInstallables(store, {installable});
|
2017-09-10 13:58:30 +00:00
|
|
|
assert(installables.size() == 1);
|
|
|
|
return installables.front();
|
|
|
|
}
|
|
|
|
|
2020-07-15 18:05:42 +00:00
|
|
|
Buildables build(ref<Store> store, Realise mode,
|
2020-06-29 08:05:44 +00:00
|
|
|
std::vector<std::shared_ptr<Installable>> installables, BuildMode bMode)
|
2017-04-25 09:20:37 +00:00
|
|
|
{
|
2020-07-15 18:05:42 +00:00
|
|
|
if (mode == Realise::Nothing)
|
2017-07-14 15:10:13 +00:00
|
|
|
settings.readOnlyMode = true;
|
2016-02-09 20:34:24 +00:00
|
|
|
|
2017-09-06 14:03:22 +00:00
|
|
|
Buildables buildables;
|
|
|
|
|
2019-12-05 18:11:09 +00:00
|
|
|
std::vector<StorePathWithOutputs> pathsToBuild;
|
2017-07-14 15:10:13 +00:00
|
|
|
|
2017-09-06 14:03:22 +00:00
|
|
|
for (auto & i : installables) {
|
|
|
|
for (auto & b : i->toBuildables()) {
|
2020-07-23 19:02:57 +00:00
|
|
|
std::visit(overloaded {
|
|
|
|
[&](BuildableOpaque bo) {
|
|
|
|
pathsToBuild.push_back({bo.path});
|
|
|
|
},
|
|
|
|
[&](BuildableFromDrv bfd) {
|
|
|
|
StringSet outputNames;
|
|
|
|
for (auto & output : bfd.outputs)
|
|
|
|
outputNames.insert(output.first);
|
|
|
|
pathsToBuild.push_back({bfd.drvPath, outputNames});
|
|
|
|
},
|
|
|
|
}, b);
|
2017-09-06 14:03:22 +00:00
|
|
|
buildables.push_back(std::move(b));
|
2017-07-14 15:10:13 +00:00
|
|
|
}
|
2017-09-06 14:03:22 +00:00
|
|
|
}
|
2016-02-09 20:34:24 +00:00
|
|
|
|
2020-07-15 18:05:42 +00:00
|
|
|
if (mode == Realise::Nothing)
|
2017-09-06 14:03:22 +00:00
|
|
|
printMissing(store, pathsToBuild, lvlError);
|
2020-07-15 18:05:42 +00:00
|
|
|
else if (mode == Realise::Outputs)
|
2020-06-29 08:05:44 +00:00
|
|
|
store->buildPaths(pathsToBuild, bMode);
|
2017-09-06 14:03:22 +00:00
|
|
|
|
|
|
|
return buildables;
|
|
|
|
}
|
|
|
|
|
2020-07-15 18:22:52 +00:00
|
|
|
StorePathSet toStorePaths(ref<Store> store,
|
|
|
|
Realise mode, OperateOn operateOn,
|
2017-09-10 13:58:30 +00:00
|
|
|
std::vector<std::shared_ptr<Installable>> installables)
|
2017-09-06 14:03:22 +00:00
|
|
|
{
|
2019-12-05 18:11:09 +00:00
|
|
|
StorePathSet outPaths;
|
2017-09-06 14:03:22 +00:00
|
|
|
|
2020-07-15 18:22:52 +00:00
|
|
|
if (operateOn == OperateOn::Output) {
|
|
|
|
for (auto & b : build(store, mode, installables))
|
2020-07-23 19:02:57 +00:00
|
|
|
std::visit(overloaded {
|
|
|
|
[&](BuildableOpaque bo) {
|
|
|
|
outPaths.insert(bo.path);
|
|
|
|
},
|
|
|
|
[&](BuildableFromDrv bfd) {
|
2020-08-07 19:09:26 +00:00
|
|
|
for (auto & output : bfd.outputs) {
|
|
|
|
if (!output.second)
|
|
|
|
throw Error("Cannot operate on output of unbuilt CA drv");
|
|
|
|
outPaths.insert(*output.second);
|
|
|
|
}
|
2020-07-23 19:02:57 +00:00
|
|
|
},
|
|
|
|
}, b);
|
2020-07-15 18:22:52 +00:00
|
|
|
} else {
|
|
|
|
if (mode == Realise::Nothing)
|
|
|
|
settings.readOnlyMode = true;
|
|
|
|
|
|
|
|
for (auto & i : installables)
|
|
|
|
for (auto & b : i->toBuildables())
|
2020-07-23 19:02:57 +00:00
|
|
|
if (auto bfd = std::get_if<BuildableFromDrv>(&b))
|
|
|
|
outPaths.insert(bfd->drvPath);
|
2020-07-15 18:22:52 +00:00
|
|
|
}
|
2017-04-25 09:20:37 +00:00
|
|
|
|
2017-04-25 14:19:22 +00:00
|
|
|
return outPaths;
|
2017-04-25 09:20:37 +00:00
|
|
|
}
|
|
|
|
|
2020-07-15 18:22:52 +00:00
|
|
|
StorePath toStorePath(ref<Store> store,
|
|
|
|
Realise mode, OperateOn operateOn,
|
2017-09-10 13:58:30 +00:00
|
|
|
std::shared_ptr<Installable> installable)
|
|
|
|
{
|
2020-07-15 18:22:52 +00:00
|
|
|
auto paths = toStorePaths(store, mode, operateOn, {installable});
|
2017-09-10 13:58:30 +00:00
|
|
|
|
|
|
|
if (paths.size() != 1)
|
2019-04-08 21:58:33 +00:00
|
|
|
throw Error("argument '%s' should evaluate to one store path", installable->what());
|
2017-09-10 13:58:30 +00:00
|
|
|
|
2020-06-16 20:20:18 +00:00
|
|
|
return *paths.begin();
|
2017-09-10 13:58:30 +00:00
|
|
|
}
|
|
|
|
|
2019-12-05 18:11:09 +00:00
|
|
|
StorePathSet toDerivations(ref<Store> store,
|
Add "nix show-derivation"
This debug command prints a store derivation in JSON format. For
example:
$ nix show-derivation nixpkgs.hello
{
"/nix/store/ayjwpwwiyy04nh9z71rsdgd3q7bra7ch-hello-2.10.drv": {
"outputs": {
"out": {
"path": "/nix/store/w5w4v29ql0qwqhczkdxs94ix2lh7ibgs-hello-2.10"
}
},
"inputSrcs": [
"/nix/store/9krlzvny65gdc8s7kpb6lkx8cd02c25b-default-builder.sh"
],
"inputDrvs": {
"/nix/store/13839aqdf6x4k3b785rw5f2l7857l6y3-bash-4.4-p12.drv": [
"out"
],
"/nix/store/vgdx7fdc7d4iirmnwj2py1nrvr5qwzj7-hello-2.10.tar.gz.drv": [
"out"
],
"/nix/store/x3kkd0vsqfflbvwf1055l9mr39bg0ms0-stdenv.drv": [
"out"
]
},
"platform": "x86_64-linux",
"builder": "/nix/store/qp5fw57d38bd1n07ss4zxh88zg67c3vg-bash-4.4-p12/bin/bash",
"args": [
"-e",
"/nix/store/9krlzvny65gdc8s7kpb6lkx8cd02c25b-default-builder.sh"
],
"env": {
"buildInputs": "",
"builder": "/nix/store/qp5fw57d38bd1n07ss4zxh88zg67c3vg-bash-4.4-p12/bin/bash",
"configureFlags": "",
"doCheck": "1",
"name": "hello-2.10",
"nativeBuildInputs": "",
"out": "/nix/store/w5w4v29ql0qwqhczkdxs94ix2lh7ibgs-hello-2.10",
"propagatedBuildInputs": "",
"propagatedNativeBuildInputs": "",
"src": "/nix/store/3x7dwzq014bblazs7kq20p9hyzz0qh8g-hello-2.10.tar.gz",
"stdenv": "/nix/store/6zngq1rdh0ans9qyckqimqibgnlvlfrm-stdenv",
"system": "x86_64-linux"
}
}
}
This removes the need for pp-aterm.
2017-09-25 11:43:35 +00:00
|
|
|
std::vector<std::shared_ptr<Installable>> installables, bool useDeriver)
|
|
|
|
{
|
2019-12-05 18:11:09 +00:00
|
|
|
StorePathSet drvPaths;
|
Add "nix show-derivation"
This debug command prints a store derivation in JSON format. For
example:
$ nix show-derivation nixpkgs.hello
{
"/nix/store/ayjwpwwiyy04nh9z71rsdgd3q7bra7ch-hello-2.10.drv": {
"outputs": {
"out": {
"path": "/nix/store/w5w4v29ql0qwqhczkdxs94ix2lh7ibgs-hello-2.10"
}
},
"inputSrcs": [
"/nix/store/9krlzvny65gdc8s7kpb6lkx8cd02c25b-default-builder.sh"
],
"inputDrvs": {
"/nix/store/13839aqdf6x4k3b785rw5f2l7857l6y3-bash-4.4-p12.drv": [
"out"
],
"/nix/store/vgdx7fdc7d4iirmnwj2py1nrvr5qwzj7-hello-2.10.tar.gz.drv": [
"out"
],
"/nix/store/x3kkd0vsqfflbvwf1055l9mr39bg0ms0-stdenv.drv": [
"out"
]
},
"platform": "x86_64-linux",
"builder": "/nix/store/qp5fw57d38bd1n07ss4zxh88zg67c3vg-bash-4.4-p12/bin/bash",
"args": [
"-e",
"/nix/store/9krlzvny65gdc8s7kpb6lkx8cd02c25b-default-builder.sh"
],
"env": {
"buildInputs": "",
"builder": "/nix/store/qp5fw57d38bd1n07ss4zxh88zg67c3vg-bash-4.4-p12/bin/bash",
"configureFlags": "",
"doCheck": "1",
"name": "hello-2.10",
"nativeBuildInputs": "",
"out": "/nix/store/w5w4v29ql0qwqhczkdxs94ix2lh7ibgs-hello-2.10",
"propagatedBuildInputs": "",
"propagatedNativeBuildInputs": "",
"src": "/nix/store/3x7dwzq014bblazs7kq20p9hyzz0qh8g-hello-2.10.tar.gz",
"stdenv": "/nix/store/6zngq1rdh0ans9qyckqimqibgnlvlfrm-stdenv",
"system": "x86_64-linux"
}
}
}
This removes the need for pp-aterm.
2017-09-25 11:43:35 +00:00
|
|
|
|
|
|
|
for (auto & i : installables)
|
2020-07-23 19:02:57 +00:00
|
|
|
for (auto & b : i->toBuildables())
|
|
|
|
std::visit(overloaded {
|
|
|
|
[&](BuildableOpaque bo) {
|
|
|
|
if (!useDeriver)
|
|
|
|
throw Error("argument '%s' did not evaluate to a derivation", i->what());
|
|
|
|
auto derivers = store->queryValidDerivers(bo.path);
|
Add "nix show-derivation"
This debug command prints a store derivation in JSON format. For
example:
$ nix show-derivation nixpkgs.hello
{
"/nix/store/ayjwpwwiyy04nh9z71rsdgd3q7bra7ch-hello-2.10.drv": {
"outputs": {
"out": {
"path": "/nix/store/w5w4v29ql0qwqhczkdxs94ix2lh7ibgs-hello-2.10"
}
},
"inputSrcs": [
"/nix/store/9krlzvny65gdc8s7kpb6lkx8cd02c25b-default-builder.sh"
],
"inputDrvs": {
"/nix/store/13839aqdf6x4k3b785rw5f2l7857l6y3-bash-4.4-p12.drv": [
"out"
],
"/nix/store/vgdx7fdc7d4iirmnwj2py1nrvr5qwzj7-hello-2.10.tar.gz.drv": [
"out"
],
"/nix/store/x3kkd0vsqfflbvwf1055l9mr39bg0ms0-stdenv.drv": [
"out"
]
},
"platform": "x86_64-linux",
"builder": "/nix/store/qp5fw57d38bd1n07ss4zxh88zg67c3vg-bash-4.4-p12/bin/bash",
"args": [
"-e",
"/nix/store/9krlzvny65gdc8s7kpb6lkx8cd02c25b-default-builder.sh"
],
"env": {
"buildInputs": "",
"builder": "/nix/store/qp5fw57d38bd1n07ss4zxh88zg67c3vg-bash-4.4-p12/bin/bash",
"configureFlags": "",
"doCheck": "1",
"name": "hello-2.10",
"nativeBuildInputs": "",
"out": "/nix/store/w5w4v29ql0qwqhczkdxs94ix2lh7ibgs-hello-2.10",
"propagatedBuildInputs": "",
"propagatedNativeBuildInputs": "",
"src": "/nix/store/3x7dwzq014bblazs7kq20p9hyzz0qh8g-hello-2.10.tar.gz",
"stdenv": "/nix/store/6zngq1rdh0ans9qyckqimqibgnlvlfrm-stdenv",
"system": "x86_64-linux"
}
}
}
This removes the need for pp-aterm.
2017-09-25 11:43:35 +00:00
|
|
|
if (derivers.empty())
|
|
|
|
throw Error("'%s' does not have a known deriver", i->what());
|
|
|
|
// FIXME: use all derivers?
|
2020-06-16 20:20:18 +00:00
|
|
|
drvPaths.insert(*derivers.begin());
|
2020-07-23 19:02:57 +00:00
|
|
|
},
|
|
|
|
[&](BuildableFromDrv bfd) {
|
|
|
|
drvPaths.insert(bfd.drvPath);
|
|
|
|
},
|
|
|
|
}, b);
|
Add "nix show-derivation"
This debug command prints a store derivation in JSON format. For
example:
$ nix show-derivation nixpkgs.hello
{
"/nix/store/ayjwpwwiyy04nh9z71rsdgd3q7bra7ch-hello-2.10.drv": {
"outputs": {
"out": {
"path": "/nix/store/w5w4v29ql0qwqhczkdxs94ix2lh7ibgs-hello-2.10"
}
},
"inputSrcs": [
"/nix/store/9krlzvny65gdc8s7kpb6lkx8cd02c25b-default-builder.sh"
],
"inputDrvs": {
"/nix/store/13839aqdf6x4k3b785rw5f2l7857l6y3-bash-4.4-p12.drv": [
"out"
],
"/nix/store/vgdx7fdc7d4iirmnwj2py1nrvr5qwzj7-hello-2.10.tar.gz.drv": [
"out"
],
"/nix/store/x3kkd0vsqfflbvwf1055l9mr39bg0ms0-stdenv.drv": [
"out"
]
},
"platform": "x86_64-linux",
"builder": "/nix/store/qp5fw57d38bd1n07ss4zxh88zg67c3vg-bash-4.4-p12/bin/bash",
"args": [
"-e",
"/nix/store/9krlzvny65gdc8s7kpb6lkx8cd02c25b-default-builder.sh"
],
"env": {
"buildInputs": "",
"builder": "/nix/store/qp5fw57d38bd1n07ss4zxh88zg67c3vg-bash-4.4-p12/bin/bash",
"configureFlags": "",
"doCheck": "1",
"name": "hello-2.10",
"nativeBuildInputs": "",
"out": "/nix/store/w5w4v29ql0qwqhczkdxs94ix2lh7ibgs-hello-2.10",
"propagatedBuildInputs": "",
"propagatedNativeBuildInputs": "",
"src": "/nix/store/3x7dwzq014bblazs7kq20p9hyzz0qh8g-hello-2.10.tar.gz",
"stdenv": "/nix/store/6zngq1rdh0ans9qyckqimqibgnlvlfrm-stdenv",
"system": "x86_64-linux"
}
}
}
This removes the need for pp-aterm.
2017-09-25 11:43:35 +00:00
|
|
|
|
|
|
|
return drvPaths;
|
|
|
|
}
|
|
|
|
|
2020-05-11 13:46:18 +00:00
|
|
|
InstallablesCommand::InstallablesCommand()
|
|
|
|
{
|
|
|
|
expectArgs({
|
|
|
|
.label = "installables",
|
|
|
|
.handler = {&_installables},
|
2020-05-11 19:49:02 +00:00
|
|
|
.completer = {[&](size_t, std::string_view prefix) {
|
|
|
|
completeInstallable(prefix);
|
|
|
|
}}
|
2020-05-11 13:46:18 +00:00
|
|
|
});
|
|
|
|
}
|
|
|
|
|
2017-04-25 10:06:32 +00:00
|
|
|
void InstallablesCommand::prepare()
|
2017-04-25 09:20:37 +00:00
|
|
|
{
|
2019-11-26 23:05:30 +00:00
|
|
|
if (_installables.empty() && useDefaultInstallables())
|
2019-04-19 14:07:37 +00:00
|
|
|
// FIXME: commands like "nix install" should not have a
|
|
|
|
// default, probably.
|
|
|
|
_installables.push_back(".");
|
2019-04-08 14:11:17 +00:00
|
|
|
installables = parseInstallables(getStore(), _installables);
|
2017-08-29 14:18:00 +00:00
|
|
|
}
|
|
|
|
|
2020-06-08 14:20:00 +00:00
|
|
|
std::optional<FlakeRef> InstallablesCommand::getFlakeRefForCompletion()
|
|
|
|
{
|
|
|
|
if (_installables.empty()) {
|
|
|
|
if (useDefaultInstallables())
|
|
|
|
return parseFlakeRef(".", absPath("."));
|
|
|
|
return {};
|
|
|
|
}
|
|
|
|
return parseFlakeRef(_installables.front(), absPath("."));
|
|
|
|
}
|
|
|
|
|
2020-05-11 19:49:02 +00:00
|
|
|
InstallableCommand::InstallableCommand()
|
|
|
|
{
|
|
|
|
expectArgs({
|
|
|
|
.label = "installable",
|
2020-05-12 09:53:32 +00:00
|
|
|
.optional = true,
|
2020-05-11 19:49:02 +00:00
|
|
|
.handler = {&_installable},
|
|
|
|
.completer = {[&](size_t, std::string_view prefix) {
|
|
|
|
completeInstallable(prefix);
|
|
|
|
}}
|
|
|
|
});
|
|
|
|
}
|
|
|
|
|
2017-08-29 14:18:00 +00:00
|
|
|
void InstallableCommand::prepare()
|
|
|
|
{
|
2019-04-08 14:11:17 +00:00
|
|
|
installable = parseInstallable(getStore(), _installable);
|
2016-02-09 20:34:24 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
}
|