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-rw-r--r--src/libstore/build.cc31
-rw-r--r--src/libstore/gc.cc5
2 files changed, 32 insertions, 4 deletions
diff --git a/src/libstore/build.cc b/src/libstore/build.cc
index 0febb8dfb..b4207e1b8 100644
--- a/src/libstore/build.cc
+++ b/src/libstore/build.cc
@@ -1680,6 +1680,7 @@ void DerivationGoal::buildDone()
}
if (buildMode == bmCheck) {
+ deleteTmpDir(true);
done(BuildResult::Built);
return;
}
@@ -3536,6 +3537,29 @@ StorePathSet parseReferenceSpecifiers(Store & store, const BasicDerivation & drv
}
+static void moveCheckToStore(const Path & src, const Path & dst)
+{
+ /* For the rename of directory to succeed, we must be running as root or
+ the directory must be made temporarily writable (to update the
+ directory's parent link ".."). */
+ struct stat st;
+ if (lstat(src.c_str(), &st) == -1) {
+ throw SysError(format("getting attributes of path '%1%'") % src);
+ }
+
+ bool changePerm = (geteuid() && S_ISDIR(st.st_mode) && !(st.st_mode & S_IWUSR));
+
+ if (changePerm)
+ chmod_(src, st.st_mode | S_IWUSR);
+
+ if (rename(src.c_str(), dst.c_str()))
+ throw SysError(format("renaming '%1%' to '%2%'") % src % dst);
+
+ if (changePerm)
+ chmod_(dst, st.st_mode);
+}
+
+
void DerivationGoal::registerOutputs()
{
/* When using a build hook, the build hook can register the output
@@ -3714,8 +3738,7 @@ void DerivationGoal::registerOutputs()
if (settings.runDiffHook || settings.keepFailed) {
Path dst = worker.store.toRealPath(path + checkSuffix);
deletePath(dst);
- if (rename(actualPath.c_str(), dst.c_str()))
- throw SysError(format("renaming '%1%' to '%2%'") % actualPath % dst);
+ moveCheckToStore(actualPath, dst);
handleDiffHook(
buildUser ? buildUser->getUID() : getuid(),
@@ -3723,10 +3746,10 @@ void DerivationGoal::registerOutputs()
path, dst, worker.store.printStorePath(drvPath), tmpDir);
throw NotDeterministic("derivation '%s' may not be deterministic: output '%s' differs from '%s'",
- worker.store.printStorePath(drvPath), path, dst);
+ worker.store.printStorePath(drvPath), worker.store.toRealPath(path), dst);
} else
throw NotDeterministic("derivation '%s' may not be deterministic: output '%s' differs",
- worker.store.printStorePath(drvPath), path);
+ worker.store.printStorePath(drvPath), worker.store.toRealPath(path));
}
/* Since we verified the build, it's now ultimately trusted. */
diff --git a/src/libstore/gc.cc b/src/libstore/gc.cc
index 0c3d89611..6bab1e37c 100644
--- a/src/libstore/gc.cc
+++ b/src/libstore/gc.cc
@@ -202,6 +202,11 @@ void LocalStore::findTempRoots(FDs & fds, Roots & tempRoots, bool censor)
/* Read the `temproots' directory for per-process temporary root
files. */
for (auto & i : readDirectory(tempRootsDir)) {
+ if (i.name[0] == '.') {
+ // Ignore hidden files. Some package managers (notably portage) create
+ // those to keep the directory alive.
+ continue;
+ }
Path path = tempRootsDir + "/" + i.name;
pid_t pid = std::stoi(i.name);