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-rw-r--r--src/libstore/build.cc42
-rw-r--r--src/libstore/download.cc10
-rw-r--r--src/libstore/gc.cc36
-rw-r--r--src/libstore/local-store.cc32
-rw-r--r--src/libstore/optimise-store.cc22
-rw-r--r--src/libstore/pathlocks.cc4
-rw-r--r--src/libstore/profiles.cc4
-rw-r--r--src/libstore/remote-store.cc2
-rw-r--r--src/libstore/s3-binary-cache-store.cc2
-rw-r--r--src/libstore/sqlite.cc4
-rw-r--r--src/libstore/store-api.cc2
11 files changed, 80 insertions, 80 deletions
diff --git a/src/libstore/build.cc b/src/libstore/build.cc
index ac8572246ef1..476453412b0f 100644
--- a/src/libstore/build.cc
+++ b/src/libstore/build.cc
@@ -1014,7 +1014,7 @@ void DerivationGoal::loadDerivation()
     trace("loading derivation");
 
     if (nrFailed != 0) {
-        printMsg(lvlError, format("cannot build missing derivation ‘%1%’") % drvPath);
+        printError(format("cannot build missing derivation ‘%1%’") % drvPath);
         done(BuildResult::MiscFailure);
         return;
     }
@@ -1168,7 +1168,7 @@ void DerivationGoal::repairClosure()
     PathSet broken;
     for (auto & i : outputClosure) {
         if (worker.pathContentsGood(i)) continue;
-        printMsg(lvlError, format("found corrupted or missing path ‘%1%’ in the output closure of ‘%2%’") % i % drvPath);
+        printError(format("found corrupted or missing path ‘%1%’ in the output closure of ‘%2%’") % i % drvPath);
         Path drvPath2 = outputsToDrv[i];
         if (drvPath2 == "")
             addWaitee(worker.makeSubstitutionGoal(i, true));
@@ -1201,7 +1201,7 @@ void DerivationGoal::inputsRealised()
     if (nrFailed != 0) {
         if (!useDerivation)
             throw Error(format("some dependencies of ‘%1%’ are missing") % drvPath);
-        printMsg(lvlError,
+        printError(
             format("cannot build derivation ‘%1%’: %2% dependencies couldn't be built")
             % drvPath % nrFailed);
         done(BuildResult::DependencyFailed);
@@ -1366,7 +1366,7 @@ void DerivationGoal::tryToBuild()
         startBuilder();
 
     } catch (BuildError & e) {
-        printMsg(lvlError, e.msg());
+        printError(e.msg());
         outputLocks.unlock();
         buildUser.release();
         worker.permanentFailure = true;
@@ -1515,7 +1515,7 @@ void DerivationGoal::buildDone()
 
     } catch (BuildError & e) {
         if (!hook)
-            printMsg(lvlError, e.msg());
+            printError(e.msg());
         outputLocks.unlock();
         buildUser.release();
 
@@ -1644,7 +1644,7 @@ void DerivationGoal::startBuilder()
         nrRounds > 1 ? "building path(s) %1% (round %2%/%3%)" :
         "building path(s) %1%");
     f.exceptions(boost::io::all_error_bits ^ boost::io::too_many_args_bit);
-    printMsg(lvlInfo, f % showPaths(missingPaths) % curRound % nrRounds);
+    printInfo(f % showPaths(missingPaths) % curRound % nrRounds);
 
     /* Right platform? */
     if (!drv->canBuildLocally()) {
@@ -2216,7 +2216,7 @@ void DerivationGoal::startBuilder()
             if (msg.size() == 1) break;
             throw Error(string(msg, 1));
         }
-        printMsg(lvlDebug, msg);
+        debug(msg);
     }
 }
 
@@ -2704,7 +2704,7 @@ void DerivationGoal::registerOutputs()
         /* Apply hash rewriting if necessary. */
         bool rewritten = false;
         if (!outputRewrites.empty()) {
-            printMsg(lvlError, format("warning: rewriting hashes in ‘%1%’; cross fingers") % path);
+            printError(format("warning: rewriting hashes in ‘%1%’; cross fingers") % path);
 
             /* Canonicalise first.  This ensures that the path we're
                rewriting doesn't contain a hard link to /etc/shadow or
@@ -2743,7 +2743,7 @@ void DerivationGoal::registerOutputs()
             Hash h2 = recursive ? hashPath(h.type, actualPath).first : hashFile(h.type, actualPath);
             if (buildMode == bmHash) {
                 Path dest = worker.store.makeFixedOutputPath(recursive, h2, drv->env["name"]);
-                printMsg(lvlError, format("build produced path ‘%1%’ with %2% hash ‘%3%’")
+                printError(format("build produced path ‘%1%’ with %2% hash ‘%3%’")
                     % dest % printHashType(h.type) % printHash16or32(h2));
                 if (worker.store.isValidPath(dest))
                     return;
@@ -2967,7 +2967,7 @@ void DerivationGoal::deleteTmpDir(bool force)
 {
     if (tmpDir != "") {
         if (settings.keepFailed && !force) {
-            printMsg(lvlError,
+            printError(
                 format("note: keeping build directory ‘%2%’")
                 % drvPath % tmpDir);
             chmod(tmpDir.c_str(), 0755);
@@ -2986,7 +2986,7 @@ void DerivationGoal::handleChildOutput(int fd, const string & data)
     {
         logSize += data.size();
         if (settings.maxLogSize && logSize > settings.maxLogSize) {
-            printMsg(lvlError,
+            printError(
                 format("%1% killed after writing more than %2% bytes of log output")
                 % getName() % settings.maxLogSize);
             killChild();
@@ -3009,7 +3009,7 @@ void DerivationGoal::handleChildOutput(int fd, const string & data)
     }
 
     if (hook && fd == hook->fromHook.readSide.get())
-        printMsg(lvlError, data); // FIXME?
+        printError(data); // FIXME?
 }
 
 
@@ -3023,7 +3023,7 @@ void DerivationGoal::handleEOF(int fd)
 void DerivationGoal::flushLine()
 {
     if (settings.verboseBuild)
-        printMsg(lvlInfo, filterANSIEscapes(currentLogLine, true));
+        printInfo(filterANSIEscapes(currentLogLine, true));
     else {
         logTail.push_back(currentLogLine);
         if (logTail.size() > settings.logLines) logTail.pop_front();
@@ -3236,7 +3236,7 @@ void SubstitutionGoal::tryNext()
        signature. LocalStore::addToStore() also checks for this, but
        only after we've downloaded the path. */
     if (worker.store.requireSigs && !info->checkSignatures(worker.store, worker.store.publicKeys)) {
-        printMsg(lvlInfo, format("warning: substituter ‘%s’ does not have a valid signature for path ‘%s’")
+        printInfo(format("warning: substituter ‘%s’ does not have a valid signature for path ‘%s’")
             % sub->getUri() % storePath);
         tryNext();
         return;
@@ -3287,7 +3287,7 @@ void SubstitutionGoal::tryToRun()
         return;
     }
 
-    printMsg(lvlInfo, format("fetching path ‘%1%’...") % storePath);
+    printInfo(format("fetching path ‘%1%’...") % storePath);
 
     outPipe.create();
 
@@ -3323,7 +3323,7 @@ void SubstitutionGoal::finished()
     try {
         promise.get_future().get();
     } catch (Error & e) {
-        printMsg(lvlInfo, e.msg());
+        printInfo(e.msg());
 
         /* Try the next substitute. */
         state = &SubstitutionGoal::tryNext;
@@ -3617,7 +3617,7 @@ void Worker::waitForInput()
     if (!waitingForAWhile.empty()) {
         useTimeout = true;
         if (lastWokenUp == 0)
-            printMsg(lvlError, "waiting for locks or build slots...");
+            printError("waiting for locks or build slots...");
         if (lastWokenUp == 0 || lastWokenUp > before) lastWokenUp = before;
         timeout.tv_sec = std::max((time_t) 1, (time_t) (lastWokenUp + settings.pollInterval - before));
     } else lastWokenUp = 0;
@@ -3680,7 +3680,7 @@ void Worker::waitForInput()
             j->respectTimeouts &&
             after - j->lastOutput >= (time_t) settings.maxSilentTime)
         {
-            printMsg(lvlError,
+            printError(
                 format("%1% timed out after %2% seconds of silence")
                 % goal->getName() % settings.maxSilentTime);
             goal->timedOut();
@@ -3691,7 +3691,7 @@ void Worker::waitForInput()
             j->respectTimeouts &&
             after - j->timeStarted >= (time_t) settings.buildTimeout)
         {
-            printMsg(lvlError,
+            printError(
                 format("%1% timed out after %2% seconds")
                 % goal->getName() % settings.buildTimeout);
             goal->timedOut();
@@ -3719,7 +3719,7 @@ bool Worker::pathContentsGood(const Path & path)
 {
     std::map<Path, bool>::iterator i = pathContentsGoodCache.find(path);
     if (i != pathContentsGoodCache.end()) return i->second;
-    printMsg(lvlInfo, format("checking path ‘%1%’...") % path);
+    printInfo(format("checking path ‘%1%’...") % path);
     auto info = store.queryPathInfo(path);
     bool res;
     if (!pathExists(path))
@@ -3730,7 +3730,7 @@ bool Worker::pathContentsGood(const Path & path)
         res = info->narHash == nullHash || info->narHash == current.first;
     }
     pathContentsGoodCache[path] = res;
-    if (!res) printMsg(lvlError, format("path ‘%1%’ is corrupted or missing!") % path);
+    if (!res) printError(format("path ‘%1%’ is corrupted or missing!") % path);
     return res;
 }
 
diff --git a/src/libstore/download.cc b/src/libstore/download.cc
index d7d0e29c0626..22a3f969c7c1 100644
--- a/src/libstore/download.cc
+++ b/src/libstore/download.cc
@@ -265,7 +265,7 @@ struct CurlDownloader : public Downloader
                    download after a while. */
                 if (err == Transient && attempt < request.tries) {
                     int ms = request.baseRetryTimeMs * std::pow(2.0f, attempt - 1 + std::uniform_real_distribution<>(0.0, 0.5)(downloader.mt19937));
-                    printMsg(lvlError, format("warning: %s; retrying in %d ms") % exc.what() % ms);
+                    printError(format("warning: %s; retrying in %d ms") % exc.what() % ms);
                     embargo = std::chrono::steady_clock::now() + std::chrono::milliseconds(ms);
                     downloader.enqueueItem(shared_from_this());
                 }
@@ -420,7 +420,7 @@ struct CurlDownloader : public Downloader
             workerThreadMain();
         } catch (nix::Interrupted & e) {
         } catch (std::exception & e) {
-            printMsg(lvlError, format("unexpected error in download thread: %s") % e.what());
+            printError(format("unexpected error in download thread: %s") % e.what());
         }
 
         {
@@ -522,7 +522,7 @@ Path Downloader::downloadCached(ref<Store> store, const string & url_, bool unpa
                     if (effectiveUrl)
                         *effectiveUrl = url_;
                 } else if (!ss[1].empty()) {
-                    printMsg(lvlDebug, format("verifying previous ETag ‘%1%’") % ss[1]);
+                    debug(format("verifying previous ETag ‘%1%’") % ss[1]);
                     expectedETag = ss[1];
                 }
             }
@@ -556,7 +556,7 @@ Path Downloader::downloadCached(ref<Store> store, const string & url_, bool unpa
             writeFile(dataFile, url + "\n" + res.etag + "\n" + std::to_string(time(0)) + "\n");
         } catch (DownloadError & e) {
             if (storePath.empty()) throw;
-            printMsg(lvlError, format("warning: %1%; using cached result") % e.msg());
+            printError(format("warning: %1%; using cached result") % e.msg());
         }
     }
 
@@ -570,7 +570,7 @@ Path Downloader::downloadCached(ref<Store> store, const string & url_, bool unpa
                 unpackedStorePath = "";
         }
         if (unpackedStorePath.empty()) {
-            printMsg(lvlInfo, format("unpacking ‘%1%’...") % url);
+            printInfo(format("unpacking ‘%1%’...") % url);
             Path tmpDir = createTempDir();
             AutoDelete autoDelete(tmpDir, true);
             // FIXME: this requires GNU tar for decompression.
diff --git a/src/libstore/gc.cc b/src/libstore/gc.cc
index 2eab7de0d8bf..ae03604faf98 100644
--- a/src/libstore/gc.cc
+++ b/src/libstore/gc.cc
@@ -39,7 +39,7 @@ int LocalStore::openGCLock(LockType lockType)
         throw SysError(format("opening global GC lock ‘%1%’") % fnGCLock);
 
     if (!lockFile(fdGCLock.get(), lockType, false)) {
-        printMsg(lvlError, format("waiting for the big garbage collector lock..."));
+        printError(format("waiting for the big garbage collector lock..."));
         lockFile(fdGCLock.get(), lockType, true);
     }
 
@@ -129,7 +129,7 @@ Path LocalFSStore::addPermRoot(const Path & _storePath,
     if (settings.checkRootReachability) {
         Roots roots = findRoots();
         if (roots.find(gcRoot) == roots.end())
-            printMsg(lvlError,
+            printError(
                 format(
                     "warning: ‘%1%’ is not in a directory where the garbage collector looks for roots; "
                     "therefore, ‘%2%’ might be removed by the garbage collector")
@@ -226,7 +226,7 @@ void LocalStore::readTempRoots(PathSet & tempRoots, FDs & fds)
            only succeed if the owning process has died.  In that case
            we don't care about its temporary roots. */
         if (lockFile(fd->get(), ltWrite, false)) {
-            printMsg(lvlError, format("removing stale temporary roots file ‘%1%’") % path);
+            printError(format("removing stale temporary roots file ‘%1%’") % path);
             unlink(path.c_str());
             writeFull(fd->get(), "d");
             continue;
@@ -264,7 +264,7 @@ void LocalStore::findRoots(const Path & path, unsigned char type, Roots & roots)
         if (isStorePath(storePath) && isValidPath(storePath))
             roots[path] = storePath;
         else
-            printMsg(lvlInfo, format("skipping invalid root from ‘%1%’ to ‘%2%’") % path % storePath);
+            printInfo(format("skipping invalid root from ‘%1%’ to ‘%2%’") % path % storePath);
     };
 
     try {
@@ -287,7 +287,7 @@ void LocalStore::findRoots(const Path & path, unsigned char type, Roots & roots)
                 target = absPath(target, dirOf(path));
                 if (!pathExists(target)) {
                     if (isInDir(path, stateDir + "/" + gcRootsDir + "/auto")) {
-                        printMsg(lvlInfo, format("removing stale link from ‘%1%’ to ‘%2%’") % path % target);
+                        printInfo(format("removing stale link from ‘%1%’ to ‘%2%’") % path % target);
                         unlink(path.c_str());
                     }
                 } else {
@@ -310,7 +310,7 @@ void LocalStore::findRoots(const Path & path, unsigned char type, Roots & roots)
     catch (SysError & e) {
         /* We only ignore permanent failures. */
         if (e.errNo == EACCES || e.errNo == ENOENT || e.errNo == ENOTDIR)
-            printMsg(lvlInfo, format("cannot read potential root ‘%1%’") % path);
+            printInfo(format("cannot read potential root ‘%1%’") % path);
         else
             throw;
     }
@@ -513,7 +513,7 @@ void LocalStore::deletePathRecursive(GCState & state, const Path & path)
         throw SysError(format("getting status of %1%") % realPath);
     }
 
-    printMsg(lvlInfo, format("deleting ‘%1%’") % path);
+    printInfo(format("deleting ‘%1%’") % path);
 
     state.results.paths.insert(path);
 
@@ -535,7 +535,7 @@ void LocalStore::deletePathRecursive(GCState & state, const Path & path)
             state.bytesInvalidated += size;
         } catch (SysError & e) {
             if (e.errNo == ENOSPC) {
-                printMsg(lvlInfo, format("note: can't create move ‘%1%’: %2%") % realPath % e.msg());
+                printInfo(format("note: can't create move ‘%1%’: %2%") % realPath % e.msg());
                 deleteGarbage(state, realPath);
             }
         }
@@ -543,7 +543,7 @@ void LocalStore::deletePathRecursive(GCState & state, const Path & path)
         deleteGarbage(state, realPath);
 
     if (state.results.bytesFreed + state.bytesInvalidated > state.options.maxFreed) {
-        printMsg(lvlInfo, format("deleted or invalidated more than %1% bytes; stopping") % state.options.maxFreed);
+        printInfo(format("deleted or invalidated more than %1% bytes; stopping") % state.options.maxFreed);
         throw GCLimitReached();
     }
 }
@@ -562,7 +562,7 @@ bool LocalStore::canReachRoot(GCState & state, PathSet & visited, const Path & p
     }
 
     if (state.roots.find(path) != state.roots.end()) {
-        printMsg(lvlDebug, format("cannot delete ‘%1%’ because it's a root") % path);
+        debug(format("cannot delete ‘%1%’ because it's a root") % path);
         state.alive.insert(path);
         return true;
     }
@@ -626,7 +626,7 @@ void LocalStore::tryToDelete(GCState & state, const Path & path)
     PathSet visited;
 
     if (canReachRoot(state, visited, path)) {
-        printMsg(lvlDebug, format("cannot delete ‘%1%’ because it's still reachable") % path);
+        debug(format("cannot delete ‘%1%’ because it's still reachable") % path);
     } else {
         /* No path we visited was a root, so everything is garbage.
            But we only delete ‘path’ and its referrers here so that
@@ -682,7 +682,7 @@ void LocalStore::removeUnusedLinks(const GCState & state)
         throw SysError(format("statting ‘%1%’") % linksDir);
     long long overhead = st.st_blocks * 512ULL;
 
-    printMsg(lvlInfo, format("note: currently hard linking saves %.2f MiB")
+    printInfo(format("note: currently hard linking saves %.2f MiB")
         % ((unsharedSize - actualSize - overhead) / (1024.0 * 1024.0)));
 }
 
@@ -715,7 +715,7 @@ void LocalStore::collectGarbage(const GCOptions & options, GCResults & results)
 
     /* Find the roots.  Since we've grabbed the GC lock, the set of
        permanent roots cannot increase now. */
-    printMsg(lvlError, format("finding garbage collector roots..."));
+    printError(format("finding garbage collector roots..."));
     Roots rootMap = options.ignoreLiveness ? Roots() : findRoots();
 
     for (auto & i : rootMap) state.roots.insert(i.second);
@@ -744,7 +744,7 @@ void LocalStore::collectGarbage(const GCOptions & options, GCResults & results)
             createDirs(trashDir);
         } catch (SysError & e) {
             if (e.errNo == ENOSPC) {
-                printMsg(lvlInfo, format("note: can't create trash directory: %1%") % e.msg());
+                printInfo(format("note: can't create trash directory: %1%") % e.msg());
                 state.moveToTrash = false;
             }
         }
@@ -765,9 +765,9 @@ void LocalStore::collectGarbage(const GCOptions & options, GCResults & results)
     } else if (options.maxFreed > 0) {
 
         if (state.shouldDelete)
-            printMsg(lvlError, format("deleting garbage..."));
+            printError(format("deleting garbage..."));
         else
-            printMsg(lvlError, format("determining live/dead paths..."));
+            printError(format("determining live/dead paths..."));
 
         try {
 
@@ -825,12 +825,12 @@ void LocalStore::collectGarbage(const GCOptions & options, GCResults & results)
     fds.clear();
 
     /* Delete the trash directory. */
-    printMsg(lvlInfo, format("deleting ‘%1%’") % trashDir);
+    printInfo(format("deleting ‘%1%’") % trashDir);
     deleteGarbage(state, trashDir);
 
     /* Clean up the links directory. */
     if (options.action == GCOptions::gcDeleteDead || options.action == GCOptions::gcDeleteSpecific) {
-        printMsg(lvlError, format("deleting unused links..."));
+        printError(format("deleting unused links..."));
         removeUnusedLinks(state);
     }
 
diff --git a/src/libstore/local-store.cc b/src/libstore/local-store.cc
index 466cea727146..d2360a9c5836 100644
--- a/src/libstore/local-store.cc
+++ b/src/libstore/local-store.cc
@@ -76,7 +76,7 @@ LocalStore::LocalStore(const Params & params)
 
         struct group * gr = getgrnam(settings.buildUsersGroup.c_str());
         if (!gr)
-            printMsg(lvlError, format("warning: the group ‘%1%’ specified in ‘build-users-group’ does not exist")
+            printError(format("warning: the group ‘%1%’ specified in ‘build-users-group’ does not exist")
                 % settings.buildUsersGroup);
         else {
             struct stat st;
@@ -136,7 +136,7 @@ LocalStore::LocalStore(const Params & params)
     globalLock = openLockFile(globalLockPath.c_str(), true);
 
     if (!lockFile(globalLock.get(), ltRead, false)) {
-        printMsg(lvlError, "waiting for the big Nix store lock...");
+        printError("waiting for the big Nix store lock...");
         lockFile(globalLock.get(), ltRead, true);
     }
 
@@ -167,7 +167,7 @@ LocalStore::LocalStore(const Params & params)
                 "please upgrade Nix to version 1.11 first.");
 
         if (!lockFile(globalLock.get(), ltWrite, false)) {
-            printMsg(lvlError, "waiting for exclusive access to the Nix store...");
+            printError("waiting for exclusive access to the Nix store...");
             lockFile(globalLock.get(), ltWrite, true);
         }
 
@@ -1108,7 +1108,7 @@ void LocalStore::invalidatePathChecked(const Path & path)
 
 bool LocalStore::verifyStore(bool checkContents, bool repair)
 {
-    printMsg(lvlError, format("reading the Nix store..."));
+    printError(format("reading the Nix store..."));
 
     bool errors = false;
 
@@ -1119,7 +1119,7 @@ bool LocalStore::verifyStore(bool checkContents, bool repair)
     for (auto & i : readDirectory(realStoreDir)) store.insert(i.name);
 
     /* Check whether all valid paths actually exist. */
-    printMsg(lvlInfo, "checking path existence...");
+    printInfo("checking path existence...");
 
     PathSet validPaths2 = queryAllValidPaths(), validPaths, done;
 
@@ -1132,7 +1132,7 @@ bool LocalStore::verifyStore(bool checkContents, bool repair)
 
     /* Optionally, check the content hashes (slow). */
     if (checkContents) {
-        printMsg(lvlInfo, "checking hashes...");
+        printInfo("checking hashes...");
 
         Hash nullHash(htSHA256);
 
@@ -1145,7 +1145,7 @@ bool LocalStore::verifyStore(bool checkContents, bool repair)
                 HashResult current = hashPath(info->narHash.type, i);
 
                 if (info->narHash != nullHash && info->narHash != current.first) {
-                    printMsg(lvlError, format("path ‘%1%’ was modified! "
+                    printError(format("path ‘%1%’ was modified! "
                             "expected hash ‘%2%’, got ‘%3%’")
                         % i % printHash(info->narHash) % printHash(current.first));
                     if (repair) repairPath(i); else errors = true;
@@ -1155,14 +1155,14 @@ bool LocalStore::verifyStore(bool checkContents, bool repair)
 
                     /* Fill in missing hashes. */
                     if (info->narHash == nullHash) {
-                        printMsg(lvlError, format("fixing missing hash on ‘%1%’") % i);
+                        printError(format("fixing missing hash on ‘%1%’") % i);
                         info->narHash = current.first;
                         update = true;
                     }
 
                     /* Fill in missing narSize fields (from old stores). */
                     if (info->narSize == 0) {
-                        printMsg(lvlError, format("updating size field on ‘%1%’ to %2%") % i % current.second);
+                        printError(format("updating size field on ‘%1%’ to %2%") % i % current.second);
                         info->narSize = current.second;
                         update = true;
                     }
@@ -1178,9 +1178,9 @@ bool LocalStore::verifyStore(bool checkContents, bool repair)
                 /* It's possible that the path got GC'ed, so ignore
                    errors on invalid paths. */
                 if (isValidPath(i))
-                    printMsg(lvlError, format("error: %1%") % e.msg());
+                    printError(format("error: %1%") % e.msg());
                 else
-                    printMsg(lvlError, format("warning: %1%") % e.msg());
+                    printError(format("warning: %1%") % e.msg());
                 errors = true;
             }
         }
@@ -1199,7 +1199,7 @@ void LocalStore::verifyPath(const Path & path, const PathSet & store,
     done.insert(path);
 
     if (!isStorePath(path)) {
-        printMsg(lvlError, format("path ‘%1%’ is not in the Nix store") % path);
+        printError(format("path ‘%1%’ is not in the Nix store") % path);
         auto state(_state.lock());
         invalidatePath(*state, path);
         return;
@@ -1218,16 +1218,16 @@ void LocalStore::verifyPath(const Path & path, const PathSet & store,
             }
 
         if (canInvalidate) {
-            printMsg(lvlError, format("path ‘%1%’ disappeared, removing from database...") % path);
+            printError(format("path ‘%1%’ disappeared, removing from database...") % path);
             auto state(_state.lock());
             invalidatePath(*state, path);
         } else {
-            printMsg(lvlError, format("path ‘%1%’ disappeared, but it still has valid referrers!") % path);
+            printError(format("path ‘%1%’ disappeared, but it still has valid referrers!") % path);
             if (repair)
                 try {
                     repairPath(path);
                 } catch (Error & e) {
-                    printMsg(lvlError, format("warning: %1%") % e.msg());
+                    printError(format("warning: %1%") % e.msg());
                     errors = true;
                 }
             else errors = true;
@@ -1279,7 +1279,7 @@ static void makeMutable(const Path & path)
 void LocalStore::upgradeStore7()
 {
     if (getuid() != 0) return;
-    printMsg(lvlError, "removing immutable bits from the Nix store (this may take a while)...");
+    printError("removing immutable bits from the Nix store (this may take a while)...");
     makeMutable(realStoreDir);
 }
 
diff --git a/src/libstore/optimise-store.cc b/src/libstore/optimise-store.cc
index 927478121244..1bf8b7d83bbc 100644
--- a/src/libstore/optimise-store.cc
+++ b/src/libstore/optimise-store.cc
@@ -43,7 +43,7 @@ struct MakeReadOnly
 
 LocalStore::InodeHash LocalStore::loadInodeHash()
 {
-    printMsg(lvlDebug, "loading hash inodes in memory");
+    debug("loading hash inodes in memory");
     InodeHash inodeHash;
 
     AutoCloseDir dir = opendir(linksDir.c_str());
@@ -75,7 +75,7 @@ Strings LocalStore::readDirectoryIgnoringInodes(const Path & path, const InodeHa
         checkInterrupt();
 
         if (inodeHash.count(dirent->d_ino)) {
-            printMsg(lvlDebug, format("‘%1%’ is already linked") % dirent->d_name);
+            debug(format("‘%1%’ is already linked") % dirent->d_name);
             continue;
         }
 
@@ -116,13 +116,13 @@ void LocalStore::optimisePath_(OptimiseStats & stats, const Path & path, InodeHa
        NixOS (example: $fontconfig/var/cache being modified).  Skip
        those files.  FIXME: check the modification time. */
     if (S_ISREG(st.st_mode) && (st.st_mode & S_IWUSR)) {
-        printMsg(lvlError, format("skipping suspicious writable file ‘%1%’") % path);
+        printError(format("skipping suspicious writable file ‘%1%’") % path);
         return;
     }
 
     /* This can still happen on top-level files. */
     if (st.st_nlink > 1 && inodeHash.count(st.st_ino)) {
-        printMsg(lvlDebug, format("‘%1%’ is already linked, with %2% other file(s)") % path % (st.st_nlink - 2));
+        debug(format("‘%1%’ is already linked, with %2% other file(s)") % path % (st.st_nlink - 2));
         return;
     }
 
@@ -136,7 +136,7 @@ void LocalStore::optimisePath_(OptimiseStats & stats, const Path & path, InodeHa
        contents of the symlink (i.e. the result of readlink()), not
        the contents of the target (which may not even exist). */
     Hash hash = hashPath(htSHA256, path).first;
-    printMsg(lvlDebug, format("‘%1%’ has hash ‘%2%’") % path % printHash(hash));
+    debug(format("‘%1%’ has hash ‘%2%’") % path % printHash(hash));
 
     /* Check if this is a known hash. */
     Path linkPath = linksDir + "/" + printHash32(hash);
@@ -161,12 +161,12 @@ void LocalStore::optimisePath_(OptimiseStats & stats, const Path & path, InodeHa
         throw SysError(format("getting attributes of path ‘%1%’") % linkPath);
 
     if (st.st_ino == stLink.st_ino) {
-        printMsg(lvlDebug, format("‘%1%’ is already linked to ‘%2%’") % path % linkPath);
+        debug(format("‘%1%’ is already linked to ‘%2%’") % path % linkPath);
         return;
     }
 
     if (st.st_size != stLink.st_size) {
-        printMsg(lvlError, format("removing corrupted link ‘%1%’") % linkPath);
+        printError(format("removing corrupted link ‘%1%’") % linkPath);
         unlink(linkPath.c_str());
         goto retry;
     }
@@ -192,7 +192,7 @@ void LocalStore::optimisePath_(OptimiseStats & stats, const Path & path, InodeHa
                systems).  This is likely to happen with empty files.
                Just shrug and ignore. */
             if (st.st_size)
-                printMsg(lvlInfo, format("‘%1%’ has maximum number of links") % linkPath);
+                printInfo(format("‘%1%’ has maximum number of links") % linkPath);
             return;
         }
         throw SysError(format("cannot link ‘%1%’ to ‘%2%’") % tempLink % linkPath);
@@ -201,14 +201,14 @@ void LocalStore::optimisePath_(OptimiseStats & stats, const Path & path, InodeHa
     /* Atomically replace the old file with the new hard link. */
     if (rename(tempLink.c_str(), path.c_str()) == -1) {
         if (unlink(tempLink.c_str()) == -1)
-            printMsg(lvlError, format("unable to unlink ‘%1%’") % tempLink);
+            printError(format("unable to unlink ‘%1%’") % tempLink);
         if (errno == EMLINK) {
             /* Some filesystems generate too many links on the rename,
                rather than on the original link.  (Probably it
                temporarily increases the st_nlink field before
                decreasing it again.) */
             if (st.st_size)
-                printMsg(lvlInfo, format("‘%1%’ has maximum number of links") % linkPath);
+                printInfo(format("‘%1%’ has maximum number of links") % linkPath);
             return;
         }
         throw SysError(format("cannot rename ‘%1%’ to ‘%2%’") % tempLink % path);
@@ -244,7 +244,7 @@ void LocalStore::optimiseStore()
 
     optimiseStore(stats);
 
-    printMsg(lvlError,
+    printError(
         format("%1% freed by hard-linking %2% files")
         % showBytes(stats.bytesFreed)
         % stats.filesLinked);
diff --git a/src/libstore/pathlocks.cc b/src/libstore/pathlocks.cc
index b9e178d61f3c..8788ee1649fb 100644
--- a/src/libstore/pathlocks.cc
+++ b/src/libstore/pathlocks.cc
@@ -121,7 +121,7 @@ bool PathLocks::lockPaths(const PathSet & _paths,
             /* Acquire an exclusive lock. */
             if (!lockFile(fd.get(), ltWrite, false)) {
                 if (wait) {
-                    if (waitMsg != "") printMsg(lvlError, waitMsg);
+                    if (waitMsg != "") printError(waitMsg);
                     lockFile(fd.get(), ltWrite, true);
                 } else {
                     /* Failed to lock this path; release all other
@@ -174,7 +174,7 @@ void PathLocks::unlock()
 
         lockedPaths.erase(i.second);
         if (close(i.first) == -1)
-            printMsg(lvlError,
+            printError(
                 format("error (ignored): cannot close lock file on ‘%1%’") % i.second);
 
         debug(format("lock released on ‘%1%’") % i.second);
diff --git a/src/libstore/profiles.cc b/src/libstore/profiles.cc
index 449c88b576b6..f24daa8862a1 100644
--- a/src/libstore/profiles.cc
+++ b/src/libstore/profiles.cc
@@ -132,9 +132,9 @@ void deleteGeneration(const Path & profile, unsigned int gen)
 static void deleteGeneration2(const Path & profile, unsigned int gen, bool dryRun)
 {
     if (dryRun)
-        printMsg(lvlInfo, format("would remove generation %1%") % gen);
+        printInfo(format("would remove generation %1%") % gen);
     else {
-        printMsg(lvlInfo, format("removing generation %1%") % gen);
+        printInfo(format("removing generation %1%") % gen);
         deleteGeneration(profile, gen);
     }
 }
diff --git a/src/libstore/remote-store.cc b/src/libstore/remote-store.cc
index 5c9262deca96..38af145f9856 100644
--- a/src/libstore/remote-store.cc
+++ b/src/libstore/remote-store.cc
@@ -559,7 +559,7 @@ void RemoteStore::Connection::processStderr(Sink * sink, Source * source)
             to.flush();
         }
         else
-            printMsg(lvlError, chomp(readString(from)));
+            printError(chomp(readString(from)));
     }
     if (msg == STDERR_ERROR) {
         string error = readString(from);
diff --git a/src/libstore/s3-binary-cache-store.cc b/src/libstore/s3-binary-cache-store.cc
index 0722e43d5e77..91ec3643b90e 100644
--- a/src/libstore/s3-binary-cache-store.cc
+++ b/src/libstore/s3-binary-cache-store.cc
@@ -161,7 +161,7 @@ struct S3BinaryCacheStoreImpl : public S3BinaryCacheStore
 
         auto duration = std::chrono::duration_cast<std::chrono::milliseconds>(now2 - now1).count();
 
-        printMsg(lvlInfo, format("uploaded ‘s3://%1%/%2%’ (%3% bytes) in %4% ms")
+        printInfo(format("uploaded ‘s3://%1%/%2%’ (%3% bytes) in %4% ms")
             % bucketName % path % data.size() % duration);
 
         stats.putTimeMs += duration;
diff --git a/src/libstore/sqlite.cc b/src/libstore/sqlite.cc
index ea0b843f5752..0197b091cd12 100644
--- a/src/libstore/sqlite.cc
+++ b/src/libstore/sqlite.cc
@@ -10,11 +10,11 @@ namespace nix {
     int err = sqlite3_errcode(db);
     if (err == SQLITE_BUSY || err == SQLITE_PROTOCOL) {
         if (err == SQLITE_PROTOCOL)
-            printMsg(lvlError, "warning: SQLite database is busy (SQLITE_PROTOCOL)");
+            printError("warning: SQLite database is busy (SQLITE_PROTOCOL)");
         else {
             static bool warned = false;
             if (!warned) {
-                printMsg(lvlError, "warning: SQLite database is busy");
+                printError("warning: SQLite database is busy");
                 warned = true;
             }
         }
diff --git a/src/libstore/store-api.cc b/src/libstore/store-api.cc
index 4271708436db..90e1747157d4 100644
--- a/src/libstore/store-api.cc
+++ b/src/libstore/store-api.cc
@@ -472,7 +472,7 @@ void ValidPathInfo::sign(const SecretKey & secretKey)
 bool ValidPathInfo::isContentAddressed(const Store & store) const
 {
     auto warn = [&]() {
-        printMsg(lvlError, format("warning: path ‘%s’ claims to be content-addressed but isn't") % path);
+        printError(format("warning: path ‘%s’ claims to be content-addressed but isn't") % path);
     };
 
     if (hasPrefix(ca, "text:")) {