nix profile: Support overriding outputs
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4a79cba511
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@ -1,5 +1,6 @@
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#include "path-with-outputs.hh"
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#include "store-api.hh"
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#include "nlohmann/json.hpp"
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#include <regex>
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@ -84,4 +85,43 @@ std::pair<std::string, OutputsSpec> parseOutputsSpec(const std::string & s)
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return {match[1], tokenizeString<OutputNames>(match[4].str(), ",")};
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}
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std::string printOutputsSpec(const OutputsSpec & outputsSpec)
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{
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if (std::get_if<DefaultOutputs>(&outputsSpec))
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return "";
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if (std::get_if<AllOutputs>(&outputsSpec))
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return "^*";
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if (auto outputNames = std::get_if<OutputNames>(&outputsSpec))
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return "^" + concatStringsSep(",", *outputNames);
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assert(false);
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}
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void to_json(nlohmann::json & json, const OutputsSpec & outputsSpec)
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{
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if (std::get_if<DefaultOutputs>(&outputsSpec))
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json = nullptr;
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else if (std::get_if<AllOutputs>(&outputsSpec))
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json = std::vector<std::string>({"*"});
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else if (auto outputNames = std::get_if<OutputNames>(&outputsSpec))
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json = *outputNames;
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}
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void from_json(const nlohmann::json & json, OutputsSpec & outputsSpec)
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{
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if (json.is_null())
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outputsSpec = DefaultOutputs();
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else {
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auto names = json.get<OutputNames>();
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if (names == OutputNames({"*"}))
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outputsSpec = AllOutputs();
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else
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outputsSpec = names;
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}
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}
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}
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@ -4,6 +4,7 @@
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#include "path.hh"
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#include "derived-path.hh"
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#include "nlohmann/json_fwd.hpp"
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namespace nix {
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@ -34,9 +35,13 @@ StorePathWithOutputs followLinksToStorePathWithOutputs(const Store & store, std:
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typedef std::set<std::string> OutputNames;
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struct AllOutputs { };
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struct AllOutputs {
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bool operator < (const AllOutputs & _) const { return false; }
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};
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struct DefaultOutputs { };
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struct DefaultOutputs {
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bool operator < (const DefaultOutputs & _) const { return false; }
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};
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typedef std::variant<DefaultOutputs, AllOutputs, OutputNames> OutputsSpec;
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@ -44,4 +49,9 @@ typedef std::variant<DefaultOutputs, AllOutputs, OutputNames> OutputsSpec;
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'prefix^*', returning the prefix and the outputs spec. */
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std::pair<std::string, OutputsSpec> parseOutputsSpec(const std::string & s);
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std::string printOutputsSpec(const OutputsSpec & outputsSpec);
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void to_json(nlohmann::json &, const OutputsSpec &);
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void from_json(const nlohmann::json &, OutputsSpec &);
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}
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@ -58,11 +58,13 @@ std::ostream & operator <<(std::ostream & str, const ExperimentalFeature & featu
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return str << showExperimentalFeature(feature);
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}
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void to_json(nlohmann::json& j, const ExperimentalFeature& feature) {
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void to_json(nlohmann::json & j, const ExperimentalFeature & feature)
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{
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j = showExperimentalFeature(feature);
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}
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void from_json(const nlohmann::json& j, ExperimentalFeature& feature) {
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void from_json(const nlohmann::json & j, ExperimentalFeature & feature)
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{
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const std::string input = j;
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const auto parsed = parseExperimentalFeature(input);
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@ -20,6 +20,13 @@ R""(
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# nix profile install nixpkgs/d73407e8e6002646acfdef0e39ace088bacc83da#hello
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```
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* Install a specific output of a package:
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```console
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# nix profile install nixpkgs#bash^man
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```
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# Description
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This command adds *installables* to a Nix profile.
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@ -22,13 +22,13 @@ struct ProfileElementSource
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// FIXME: record original attrpath.
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FlakeRef resolvedRef;
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std::string attrPath;
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// FIXME: output names
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OutputsSpec outputs;
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bool operator < (const ProfileElementSource & other) const
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{
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return
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std::pair(originalRef.to_string(), attrPath) <
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std::pair(other.originalRef.to_string(), other.attrPath);
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std::tuple(originalRef.to_string(), attrPath, outputs) <
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std::tuple(other.originalRef.to_string(), other.attrPath, other.outputs);
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}
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};
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@ -42,7 +42,7 @@ struct ProfileElement
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std::string describe() const
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{
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if (source)
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return fmt("%s#%s", source->originalRef, source->attrPath);
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return fmt("%s#%s%s", source->originalRef, source->attrPath, printOutputsSpec(source->outputs));
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StringSet names;
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for (auto & path : storePaths)
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names.insert(DrvName(path.name()).name);
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@ -120,7 +120,8 @@ struct ProfileManifest
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element.source = ProfileElementSource {
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parseFlakeRef(e[sOriginalUrl]),
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parseFlakeRef(e[sUrl]),
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e["attrPath"]
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e["attrPath"],
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e["outputs"].get<OutputsSpec>()
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};
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}
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elements.emplace_back(std::move(element));
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@ -156,6 +157,7 @@ struct ProfileManifest
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obj["originalUrl"] = element.source->originalRef.to_string();
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obj["url"] = element.source->resolvedRef.to_string();
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obj["attrPath"] = element.source->attrPath;
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obj["outputs"] = element.source->outputs;
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}
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array.push_back(obj);
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}
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@ -287,6 +289,7 @@ struct CmdProfileInstall : InstallablesCommand, MixDefaultProfile
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installable2->flakeRef,
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resolvedRef,
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attrPath,
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installable2->outputsSpec
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};
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}
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@ -443,7 +446,7 @@ struct CmdProfileUpgrade : virtual SourceExprCommand, MixDefaultProfile, MixProf
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getEvalState(),
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FlakeRef(element.source->originalRef),
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"",
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DefaultOutputs(), // FIXME
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element.source->outputs,
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Strings{element.source->attrPath},
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Strings{},
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lockFlags);
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@ -459,6 +462,7 @@ struct CmdProfileUpgrade : virtual SourceExprCommand, MixDefaultProfile, MixProf
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installable->flakeRef,
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resolvedRef,
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attrPath,
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installable->outputsSpec
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};
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installables.push_back(installable);
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@ -514,8 +518,8 @@ struct CmdProfileList : virtual EvalCommand, virtual StoreCommand, MixDefaultPro
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for (size_t i = 0; i < manifest.elements.size(); ++i) {
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auto & element(manifest.elements[i]);
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logger->cout("%d %s %s %s", i,
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element.source ? element.source->originalRef.to_string() + "#" + element.source->attrPath : "-",
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element.source ? element.source->resolvedRef.to_string() + "#" + element.source->attrPath : "-",
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element.source ? element.source->originalRef.to_string() + "#" + element.source->attrPath + printOutputsSpec(element.source->outputs) : "-",
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element.source ? element.source->resolvedRef.to_string() + "#" + element.source->attrPath + printOutputsSpec(element.source->outputs) : "-",
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concatStringsSep(" ", store->printStorePathSet(element.storePaths)));
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}
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}
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@ -101,3 +101,22 @@ printf Utrecht > $flake1Dir/who
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nix profile install $flake1Dir
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[[ $($TEST_HOME/.nix-profile/bin/hello) = "Hello Utrecht" ]]
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[[ $(nix path-info --json $(realpath $TEST_HOME/.nix-profile/bin/hello) | jq -r .[].ca) =~ fixed:r:sha256: ]]
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# Override the outputs.
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nix profile remove 0 1
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nix profile install "$flake1Dir^*"
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[[ $($TEST_HOME/.nix-profile/bin/hello) = "Hello Utrecht" ]]
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[ -e $TEST_HOME/.nix-profile/share/man ]
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[ -e $TEST_HOME/.nix-profile/include ]
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printf Nix > $flake1Dir/who
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nix profile upgrade 0
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[[ $($TEST_HOME/.nix-profile/bin/hello) = "Hello Nix" ]]
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[ -e $TEST_HOME/.nix-profile/share/man ]
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[ -e $TEST_HOME/.nix-profile/include ]
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nix profile remove 0
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nix profile install "$flake1Dir^man"
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(! [ -e $TEST_HOME/.nix-profile/bin/hello ])
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[ -e $TEST_HOME/.nix-profile/share/man ]
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(! [ -e $TEST_HOME/.nix-profile/include ])
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