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Build a minimized Nix with MinGW

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At this point many features are stripped out, but this works:

- Can run libnix{util,store,expr} unit tests
- Can run some Nix commands

Co-Authored-By volth <volth@volth.com>
Co-Authored-By Brian McKenna <brian@brianmckenna.org>
This commit is contained in:
John Ericson 2023-09-02 17:35:16 -04:00
parent 2248a3f545
commit 8433027e35
111 changed files with 1162 additions and 140 deletions
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8
src/libstore/remote-fs-accessor.cc
View file

@ -71,11 +71,15 @@ std::pair<ref<SourceAccessor>, CanonPath> RemoteFSAccessor::fetch(const CanonPat
auto narAccessor = makeLazyNarAccessor(listing,
[cacheFile](uint64_t offset, uint64_t length) {
AutoCloseFD fd = open(cacheFile.c_str(), O_RDONLY | O_CLOEXEC);
AutoCloseFD fd = toDescriptor(open(cacheFile.c_str(), O_RDONLY
#ifndef _WIN32
| O_CLOEXEC
#endif
));
if (!fd)
throw SysError("opening NAR cache file '%s'", cacheFile);
if (lseek(fd.get(), offset, SEEK_SET) != (off_t) offset)
if (lseek(fromDescriptorReadOnly(fd.get()), offset, SEEK_SET) != (off_t) offset)
throw SysError("seeking in '%s'", cacheFile);
std::string buf(length, 0);