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Dependency: extract dependency download logic from Manifest
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| #include "Dependency.hpp" | ||
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| #include "Algos.hpp" | ||
| #include "Command.hpp" | ||
| #include "Git2.hpp" | ||
| #include "Logger.hpp" | ||
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| #include <cstdlib> | ||
| #include <filesystem> | ||
| #include <string> | ||
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| namespace cabin { | ||
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| namespace fs = std::filesystem; | ||
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| static fs::path | ||
| getXdgCacheHome() noexcept { | ||
| if (const char* envP = std::getenv("XDG_CACHE_HOME")) { | ||
| return envP; | ||
| } | ||
| const fs::path userDir = std::getenv("HOME"); | ||
| return userDir / ".cache"; | ||
| } | ||
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| static const fs::path CACHE_DIR(getXdgCacheHome() / "cabin"); | ||
| static const fs::path GIT_DIR(CACHE_DIR / "git"); | ||
| static const fs::path GIT_SRC_DIR(GIT_DIR / "src"); | ||
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| Result<DepMetadata> | ||
| GitDependency::install() const { | ||
| fs::path installDir = GIT_SRC_DIR / name; | ||
| if (target.has_value()) { | ||
| installDir += '-' + target.value(); | ||
| } | ||
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| if (fs::exists(installDir) && !fs::is_empty(installDir)) { | ||
| logger::debug("{} is already installed", name); | ||
| } else { | ||
| git2::Repository repo; | ||
| repo.clone(url, installDir.string()); | ||
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| if (target.has_value()) { | ||
| // Checkout to target. | ||
| const std::string target = this->target.value(); | ||
| const git2::Object obj = repo.revparseSingle(target); | ||
| repo.setHeadDetached(obj.id()); | ||
| repo.checkoutHead(true); | ||
| } | ||
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| logger::info( | ||
| "Downloaded", "{} {}", name, target.has_value() ? target.value() : url | ||
| ); | ||
| } | ||
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| const fs::path includeDir = installDir / "include"; | ||
| std::string includes = "-isystem"; | ||
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| if (fs::exists(includeDir) && fs::is_directory(includeDir) | ||
| && !fs::is_empty(includeDir)) { | ||
| includes += includeDir.string(); | ||
| } else { | ||
| includes += installDir.string(); | ||
| } | ||
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| // Currently, no libs are supported. | ||
| return Ok(DepMetadata{ .includes = includes, .libs = "" }); | ||
| } | ||
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| Result<DepMetadata> | ||
| PathDependency::install() const { | ||
| const fs::path installDir = fs::weakly_canonical(path); | ||
| if (fs::exists(installDir) && !fs::is_empty(installDir)) { | ||
| logger::debug("{} is already installed", name); | ||
| } else { | ||
| Bail("{} can't be accessible as directory", installDir.string()); | ||
| } | ||
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| const fs::path includeDir = installDir / "include"; | ||
| std::string includes = "-isystem"; | ||
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| if (fs::exists(includeDir) && fs::is_directory(includeDir) | ||
| && !fs::is_empty(includeDir)) { | ||
| includes += includeDir.string(); | ||
| } else { | ||
| includes += installDir.string(); | ||
| } | ||
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| // Currently, no libs are supported. | ||
| return Ok(DepMetadata{ .includes = includes, .libs = "" }); | ||
| } | ||
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| Result<DepMetadata> | ||
| SystemDependency::install() const { | ||
| const std::string pkgConfigVer = versionReq.toPkgConfigString(name); | ||
| const Command cflagsCmd = | ||
| Command("pkg-config").addArg("--cflags").addArg(pkgConfigVer); | ||
| const Command libsCmd = | ||
| Command("pkg-config").addArg("--libs").addArg(pkgConfigVer); | ||
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| std::string cflags = Try(getCmdOutput(cflagsCmd)); | ||
| cflags.pop_back(); // remove '\n' | ||
| std::string libs = Try(getCmdOutput(libsCmd)); | ||
| libs.pop_back(); // remove '\n' | ||
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| return Ok(DepMetadata{ .includes = cflags, .libs = libs }); | ||
| } | ||
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| } // namespace cabin |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| #pragma once | ||
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| #include "Rustify/Result.hpp" | ||
| #include "VersionReq.hpp" | ||
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| #include <optional> | ||
| #include <string> | ||
| #include <utility> | ||
| #include <variant> | ||
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| namespace cabin { | ||
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| struct DepMetadata { | ||
| const std::string includes; // -Isomething | ||
| const std::string libs; // -Lsomething -lsomething | ||
| }; | ||
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| struct GitDependency { | ||
| const std::string name; | ||
| const std::string url; | ||
| const std::optional<std::string> target; | ||
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| Result<DepMetadata> install() const; | ||
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| GitDependency( | ||
| std::string name, std::string url, std::optional<std::string> target | ||
| ) | ||
| : name(std::move(name)), url(std::move(url)), target(std::move(target)) {} | ||
| }; | ||
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| struct PathDependency { | ||
| const std::string name; | ||
| const std::string path; | ||
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| Result<DepMetadata> install() const; | ||
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| PathDependency(std::string name, std::string path) | ||
| : name(std::move(name)), path(std::move(path)) {} | ||
| }; | ||
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| struct SystemDependency { | ||
| const std::string name; | ||
| const VersionReq versionReq; | ||
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| Result<DepMetadata> install() const; | ||
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| SystemDependency(std::string name, VersionReq versionReq) | ||
| : name(std::move(name)), versionReq(std::move(versionReq)) {}; | ||
| }; | ||
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| using Dependency = | ||
| std::variant<GitDependency, PathDependency, SystemDependency>; | ||
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| } // namespace cabin |
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