wroclaw-git-backups/nix
1
0
Fork 0
mirror of https://github.com/NixOS/nix synced 2025-06-25 10:41:16 +02:00
Code Activity

Make 'nix copy' to s3:// binary caches run in constant memory

Browse source
This commit is contained in:
Eelco Dolstra 2020-07-13 20:07:19 +02:00
parent 493961b689
commit 7c2fef0a81
6 changed files with 57 additions and 27 deletions
Download patch file Download diff file Expand all files Collapse all files

5
src/libstore/local-binary-cache-store.cc
View file

@ -31,12 +31,13 @@ protected:
bool fileExists(const std::string & path) override;
void upsertFile(const std::string & path,
Source & source,
const std::string & mimeType)
std::shared_ptr<std::basic_iostream<char>> istream,
const std::string & mimeType) override
{
auto path2 = binaryCacheDir + "/" + path;
Path tmp = path2 + ".tmp." + std::to_string(getpid());
AutoDelete del(tmp, false);
StreamToSourceAdapter source(istream);
writeFile(tmp, source);
if (rename(tmp.c_str(), path2.c_str()))
throw SysError("renaming '%1%' to '%2%'", tmp, path2);