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author | Maksim Denisov <denisov.maksim@huawei.com> | 2024-12-04 13:12:15 +0100 |
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committer | Maksim Denisov <denisov.maksim@huawei.com> | 2024-12-05 11:07:10 +0100 |
commit | 99860b78304817c4d5b27ec4c661b733e30a430a (patch) | |
tree | dc4ae56e2046e43ee9ea11590e9ba5c8d42300a0 /src/buildtool/file_system/git_cas.cpp | |
parent | f40780393d68e2ebb866d8b941b5a30f0ea5f0de (diff) | |
download | justbuild-99860b78304817c4d5b27ec4c661b733e30a430a.tar.gz |
GitCAS: implement method for creation of an empty GitCAS
...and use it in GitRepo to set custom backends.
Diffstat (limited to 'src/buildtool/file_system/git_cas.cpp')
-rw-r--r-- | src/buildtool/file_system/git_cas.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/buildtool/file_system/git_cas.cpp b/src/buildtool/file_system/git_cas.cpp index 2d1c4c33..69fc8922 100644 --- a/src/buildtool/file_system/git_cas.cpp +++ b/src/buildtool/file_system/git_cas.cpp @@ -108,6 +108,24 @@ auto GitCAS::Open(std::filesystem::path const& repo_path) noexcept #endif } +auto GitCAS::CreateEmpty() noexcept -> GitCASPtr { +#ifdef BOOTSTRAP_BUILD_TOOL + return nullptr; +#else + auto result = std::make_shared<GitCAS>(); + + git_odb* odb_ptr{nullptr}; + if (git_odb_new(&odb_ptr) != 0 or odb_ptr == nullptr) { + Logger::Log(LogLevel::Error, + "creating an empty database failed with:\n{}", + GitLastError()); + return nullptr; + } + result->odb_.reset(odb_ptr); // retain odb pointer + return std::const_pointer_cast<GitCAS const>(result); +#endif +} + auto GitCAS::ReadObject(std::string const& id, bool is_hex_id) const noexcept -> std::optional<std::string> { #ifdef BOOTSTRAP_BUILD_TOOL |