diff options
Diffstat (limited to 'src/libstore')
| -rw-r--r-- | src/libstore/build.cc | 11 | ||||
| -rw-r--r-- | src/libstore/gc.cc | 5 |
2 files changed, 14 insertions, 2 deletions
diff --git a/src/libstore/build.cc b/src/libstore/build.cc index 8d06a66f6094..54890afd180c 100644 --- a/src/libstore/build.cc +++ b/src/libstore/build.cc @@ -811,6 +811,11 @@ void DerivationGoal::haveDerivation() return; } + /* `drvPath' should already be a root, but let's be on the safe + side: if the user forgot to make it a root, we wouldn't want + things being garbage collected while we're busy. */ + worker.store.addTempRoot(drvPath); + assert(worker.store.isValidPath(drvPath)); /* Get the derivation. */ @@ -1669,8 +1674,10 @@ void DerivationGoal::startBuilder() if (useChroot) { #if CHROOT_ENABLED /* Create a temporary directory in which we set up the chroot - environment using bind-mounts. */ - chrootRootDir = createTempDir("", "nix-chroot"); + environment using bind-mounts. We put it in the Nix store + to ensure that we can create hard-links to non-directory + inputs in the fake Nix store in the chroot (see below). */ + chrootRootDir = drvPath + ".chroot"; /* Clean up the chroot directory automatically. */ autoDelChroot = boost::shared_ptr<AutoDelete>(new AutoDelete(chrootRootDir)); diff --git a/src/libstore/gc.cc b/src/libstore/gc.cc index 32cfbd022c61..552016584af1 100644 --- a/src/libstore/gc.cc +++ b/src/libstore/gc.cc @@ -565,6 +565,11 @@ static bool isLive(const Path & path, const PathSet & livePaths, if (hasSuffix(path, ".lock") && tempRoots.find(string(path, 0, path.size() - 5)) != tempRoots.end()) return true; + /* Don't delete .chroot directories for derivations that are + currently being built. */ + if (hasSuffix(path, ".chroot") && tempRoots.find(string(path, 0, path.size() - 7)) != tempRoots.end()) + return true; + return false; } |