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Enable the unix:// store on Windows

Browse source 
Windows now has some basic Unix Domain Socket support, see
https://devblogs.microsoft.com/commandline/af_unix-comes-to-windows/

Building `nix daemon` on Windows I've left for later, because the daemon
currently forks per connection but this is not an option on Windows. But
we can get the client part working right away.
This commit is contained in:
John Ericson 2024-04-18 16:49:52 -04:00
parent 3a3c205fa7
commit b973cd494f
10 changed files with 164 additions and 87 deletions
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40
src/libstore/unix/gc.cc
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@ -35,20 +35,6 @@ static std::string gcSocketPath = "/gc-socket/socket";
static std::string gcRootsDir = "gcroots";
static void makeSymlink(const Path & link, const Path & target)
{
/* Create directories up to `gcRoot'. */
createDirs(dirOf(link));
/* Create the new symlink. */
Path tempLink = fmt("%1%.tmp-%2%-%3%", link, getpid(), rand());
createSymlink(target, tempLink);
/* Atomically replace the old one. */
renameFile(tempLink, link);
}
void LocalStore::addIndirectRoot(const Path & path)
{
std::string hash = hashString(HashAlgorithm::SHA1, path).to_string(HashFormat::Nix32, false);
@ -57,32 +43,6 @@ void LocalStore::addIndirectRoot(const Path & path)
}
Path IndirectRootStore::addPermRoot(const StorePath & storePath, const Path & _gcRoot)
{
Path gcRoot(canonPath(_gcRoot));
if (isInStore(gcRoot))
throw Error(
"creating a garbage collector root (%1%) in the Nix store is forbidden "
"(are you running nix-build inside the store?)", gcRoot);
/* Register this root with the garbage collector, if it's
running. This should be superfluous since the caller should
have registered this root yet, but let's be on the safe
side. */
addTempRoot(storePath);
/* Don't clobber the link if it already exists and doesn't
point to the Nix store. */
if (pathExists(gcRoot) && (!isLink(gcRoot) || !isInStore(readLink(gcRoot))))
throw Error("cannot create symlink '%1%'; already exists", gcRoot);
makeSymlink(gcRoot, printStorePath(storePath));
addIndirectRoot(gcRoot);
return gcRoot;
}
void LocalStore::createTempRootsFile()
{
auto fdTempRoots(_fdTempRoots.lock());