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common : add getpwuid fallback for HF cache when HOME is not set #21035

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Merged
angt merged 1 commit into from
Mar 26, 2026
Merged

common : add getpwuid fallback for HF cache when HOME is not set #21035

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9 changes: 9 additions & 0 deletions common/hf-cache.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,8 @@ namespace nl = nlohmann;
#include <windows.h>
#else
#define HOME_DIR "HOME"
#include <unistd.h>
#include <pwd.h>
#endif

namespace hf_cache {
Expand All @@ -51,6 +53,13 @@ static fs::path get_cache_directory() {
return entry.path.empty() ? base : base / entry.path;
}
}
#ifndef _WIN32
const struct passwd * pw = getpwuid(getuid());

if (pw->pw_dir && *pw->pw_dir) {
return fs::path(pw->pw_dir) / ".cache" / "huggingface" / "hub";
}
#endif
throw std::runtime_error("Failed to determine HF cache directory");
}();

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