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-rw-r--r--tests/case-hack.sh19
1 files changed, 19 insertions, 0 deletions
diff --git a/tests/case-hack.sh b/tests/case-hack.sh
new file mode 100644
index 000000000000..ebc7cb1d5d65
--- /dev/null
+++ b/tests/case-hack.sh
@@ -0,0 +1,19 @@
+source common.sh
+
+clearStore
+
+rm -rf $TEST_ROOT/case
+
+opts="--option use-case-hack true"
+
+# Check whether restoring and dumping a NAR that contains case
+# collisions is round-tripping, even on a case-insensitive system.
+nix-store $opts  --restore $TEST_ROOT/case < case.nar
+nix-store $opts --dump $TEST_ROOT/case > $TEST_ROOT/case.nar
+cmp case.nar $TEST_ROOT/case.nar
+[ "$(nix-hash $opts --type sha256 $TEST_ROOT/case)" = "$(nix-hash --flat --type sha256 case.nar)" ]
+
+# Check whether we detect true collisions (e.g. those remaining after
+# removal of the suffix).
+touch "$TEST_ROOT/case/xt_CONNMARK.h~nix~case~hack~3"
+! nix-store $opts --dump $TEST_ROOT/case > /dev/null