From a7b9877da9d1bdafcc9b2f4681ecb3a1b83de7fc Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Mon, 14 Oct 2024 14:10:36 +0200
Subject: [PATCH] Add a test

---
 tests/functional/tarball.sh | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/tests/functional/tarball.sh b/tests/functional/tarball.sh
index 0202037aa..0682869b2 100755
--- a/tests/functional/tarball.sh
+++ b/tests/functional/tarball.sh
@@ -97,3 +97,17 @@ chmod +x "$TEST_ROOT/tar_root/foo"
 tar cvf "$TEST_ROOT/tar.tar" -C "$TEST_ROOT/tar_root" .
 path="$(nix flake prefetch --refresh --json "tarball+file://$TEST_ROOT/tar.tar" | jq -r .storePath)"
 [[ $(cat "$path/foo") = bar ]]
+
+# Test a tarball with non-contiguous directory entries.
+rm -rf "$TEST_ROOT/tar_root"
+mkdir -p "$TEST_ROOT/tar_root/a/b"
+echo foo > "$TEST_ROOT/tar_root/a/b/foo"
+echo bla > "$TEST_ROOT/tar_root/bla"
+tar cvf "$TEST_ROOT/tar.tar" -C "$TEST_ROOT/tar_root" .
+echo abc > "$TEST_ROOT/tar_root/bla"
+echo xyzzy > "$TEST_ROOT/tar_root/a/b/xyzzy"
+tar rvf "$TEST_ROOT/tar.tar" -C "$TEST_ROOT/tar_root" ./a/b/xyzzy ./bla
+path="$(nix flake prefetch --refresh --json "tarball+file://$TEST_ROOT/tar.tar" | jq -r .storePath)"
+[[ $(cat "$path/a/b/xyzzy") = xyzzy ]]
+[[ $(cat "$path/a/b/foo") = foo ]]
+[[ $(cat "$path/bla") = abc ]]