diff --git a/tests/functional/fetchGit.sh b/tests/functional/fetchGit.sh
index 4985c7764f6..6390d67fdcb 100644
--- a/tests/functional/fetchGit.sh
+++ b/tests/functional/fetchGit.sh
@@ -229,6 +229,25 @@ rev_tag2=$(git -C $repo rev-parse refs/tags/tag2)
 [[ $rev_tag2_nix = $rev_tag2 ]]
 unset _NIX_FORCE_HTTP
 
+# Ensure export-ignore in .gitattributes is respected
+touch $repo/not-exported-file
+echo "/not-exported-file export-ignore" >> $repo/.gitattributes
+git -C $repo add not-exported-file .gitattributes
+git -C $repo commit -m 'Bla6'
+rev5=$(git -C $repo rev-parse HEAD)
+path12=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = file://$repo; rev = \"$rev5\"; }).outPath")
+[[ ! -e $path12/not-exported-file ]]
+
+# Ensure export-subst in .gitattributes is respected
+echo '$Format:%H$' > $repo/exported-file
+echo '/exported-file export-subst' >> $repo/.gitattributes
+git -C $repo add exported-file .gitattributes
+git -C $repo commit -m 'Bla7'
+rev6=$(git -C $repo rev-parse HEAD)
+path13=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = file://$repo; rev = \"$rev6\"; }).outPath")
+[[ $(cat $path13/exported-file) = $rev6 ]]
+[[ $(cat $path13/exported-file) != '$Format:%H$' ]]
+
 # should fail if there is no repo
 rm -rf $repo/.git
 (! nix eval --impure --raw --expr "(builtins.fetchGit \"file://$repo\").outPath")