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-rw-r--r--src/libexpr/flake/flakeref.cc3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/libexpr/flake/flakeref.cc b/src/libexpr/flake/flakeref.cc
index 615269218..701546671 100644
--- a/src/libexpr/flake/flakeref.cc
+++ b/src/libexpr/flake/flakeref.cc
@@ -142,6 +142,9 @@ std::pair<FlakeRef, std::string> parseFlakeRefWithFragment(
parsedURL.query.insert_or_assign("dir", subdir);
}
+ if (pathExists(flakeRoot + "/.git/shallow"))
+ parsedURL.query.insert_or_assign("shallow", "1");
+
return std::make_pair(
FlakeRef(Input::fromURL(parsedURL), get(parsedURL.query, "dir").value_or("")),
fragment);