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-rw-r--r--src/libstore/build.cc6
-rw-r--r--src/libstore/store.cc5
-rw-r--r--tests/Makefile.am3
-rw-r--r--tests/dependencies.builder0.sh5
4 files changed, 14 insertions, 5 deletions
diff --git a/src/libstore/build.cc b/src/libstore/build.cc
index dbfde447e..881f2dac8 100644
--- a/src/libstore/build.cc
+++ b/src/libstore/build.cc
@@ -1329,7 +1329,8 @@ void SubstitutionGoal::init()
for (PathSet::iterator i = references.begin();
i != references.end(); ++i)
- addWaitee(worker.makeSubstitutionGoal(*i));
+ if (*i != storePath) /* ignore self-references */
+ addWaitee(worker.makeSubstitutionGoal(*i));
if (waitees.empty()) /* to prevent hang (no wake-up event) */
referencesValid();
@@ -1347,7 +1348,8 @@ void SubstitutionGoal::referencesValid()
for (PathSet::iterator i = references.begin();
i != references.end(); ++i)
- assert(isValidPath(*i));
+ if (*i != storePath) /* ignore self-references */
+ assert(isValidPath(*i));
tryNext();
}
diff --git a/src/libstore/store.cc b/src/libstore/store.cc
index 396835013..c7b84e7c6 100644
--- a/src/libstore/store.cc
+++ b/src/libstore/store.cc
@@ -553,7 +553,10 @@ void deleteFromStore(const Path & _path)
Transaction txn(nixDB);
if (isValidPathTxn(txn, path)) {
- if (getReferers(txn, path).size() > 0)
+ PathSet referers = getReferers(txn, path);
+ if (referers.size() > 1 ||
+ (referers.size() == 1 &&
+ *referers.begin() != path))
throw Error(format("cannot delete path `%1%' because it is in use") % path);
invalidatePath(path, txn);
}
diff --git a/tests/Makefile.am b/tests/Makefile.am
index c88379e47..3aa43417f 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -39,7 +39,7 @@ gc-concurrent.sh: gc-concurrent.nix gc-concurrent2.nix
TESTS = init.sh hash.sh lang.sh simple.sh dependencies.sh locking.sh parallel.sh \
build-hook.sh substitutes.sh substitutes2.sh fallback.sh nix-push.sh gc.sh \
gc-concurrent.sh verify.sh nix-pull.sh
-#TESTS = init.sh gc-concurrent.sh
+#TESTS = init.sh nix-push.sh nix-pull.sh
XFAIL_TESTS =
@@ -57,5 +57,6 @@ EXTRA_DIST = $(TESTS) \
substitutes.nix.in substituter.sh \
substitutes2.nix.in substituter2.sh \
gc-concurrent.nix.in gc-concurrent.builder.sh \
+ gc-concurrent2.nix.in gc-concurrent2.builder.sh \
fallback.nix.in \
$(wildcard lang/*.nix) $(wildcard lang/*.exp)
diff --git a/tests/dependencies.builder0.sh b/tests/dependencies.builder0.sh
index 326e8dfbb..69269916c 100644
--- a/tests/dependencies.builder0.sh
+++ b/tests/dependencies.builder0.sh
@@ -3,4 +3,7 @@ export PATH=/bin:/usr/bin:$PATH
mkdir $out
echo $(cat $input1/foo)$(cat $input2/bar) > $out/foobar
-ln -s $input2 $out/input-2 \ No newline at end of file
+ln -s $input2 $out/input-2
+
+# Self-reference.
+ln -s $out $out/self