eldritch horrorsandjade
b0d7a81613
clangd broke because it can't look through symlinks. compile_commands manipulation does not fix it, clangd configuration does not fix it, a vfs overlay does not fix it, and while a combination of those can fix it with a bind mount in place that's just too cursed to even consider clangd bug: https://github.com/llvm/llvm-project/issues/116877 Change-Id: I8e3e8489548eb3a7aa65ac9d12a5ec8abf814aec
43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
#include "lix/libstore/temporary-dir.hh"
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#include "lix/libutil/file-system.hh"
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#include "lix/libstore/globals.hh"
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namespace nix {
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Path createTempDir(const Path & tmpRoot, const Path & prefix,
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bool includePid, bool useGlobalCounter, mode_t mode)
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{
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return createTempSubdir(tmpRoot.empty() ? defaultTempDir() : tmpRoot, prefix, includePid, useGlobalCounter, mode);
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}
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std::pair<AutoCloseFD, Path> createTempFile(const Path & prefix)
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{
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Path tmpl(defaultTempDir() + "/" + prefix + ".XXXXXX");
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// FIXME: use O_TMPFILE.
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AutoCloseFD fd(mkstemp(tmpl.data()));
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if (!fd)
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throw SysError("creating temporary file '%s'", tmpl);
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closeOnExec(fd.get());
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return {std::move(fd), tmpl};
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}
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Path defaultTempDir()
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{
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return settings.tempDir.get().or_else([] {
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return getEnvNonEmpty("TMPDIR").and_then([](auto val) -> std::optional<Path> {
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#if __APPLE__
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/* On macOS, don't use the per-session TMPDIR (as set e.g. by
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sshd). This breaks build users because they don't have access
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to the TMPDIR, in particular in ‘nix-store --serve’. */
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if (val.starts_with("/var/folders/")) {
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return std::nullopt;
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}
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#endif
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return val;
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});
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}).value_or("/tmp");
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}
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}
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