blob: 202370a80fc5306d109f967f15d8045375fa0354 (
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diff --git a/tools/cpp/src/cpp-build/generate_geocoding_data.cc b/tools/cpp/src/cpp-build/generate_geocoding_data.cc
index 205947e831..1e628e2cd2 100644
--- a/tools/cpp/src/cpp-build/generate_geocoding_data.cc
+++ b/tools/cpp/src/cpp-build/generate_geocoding_data.cc
@@ -97,7 +97,8 @@ class DirEntry {
DirEntryKinds kind_;
};
-// Lists directory entries in path. "." and ".." are excluded. Returns true on
+// Lists directory entries in path. "." and ".." are excluded. Entries are
+// returned in a consistent order to ensure reproducibility. Returns true on
// success.
bool ListDirectory(const string& path, vector<DirEntry>* entries) {
entries->clear();
@@ -135,6 +136,9 @@ bool ListDirectory(const string& path, vector<DirEntry>* entries) {
}
entries->push_back(DirEntry(entry->d_name, kind));
}
+ std::sort(
+ entries->begin(), entries->end(),
+ [](const DirEntry& a, const DirEntry& b) { return a.name() < b.name(); });
}
// Returns true if s ends with suffix.
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