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-rw-r--r--doc/manual/command-ref/conf-file.xml15
-rw-r--r--doc/manual/command-ref/nix-store.xml76
-rw-r--r--src/libstore/binary-cache-store.hh6
-rw-r--r--src/libstore/build.cc41
-rw-r--r--src/libstore/globals.cc2
-rw-r--r--src/libstore/globals.hh3
-rw-r--r--src/libstore/local-store.cc66
-rw-r--r--src/libstore/local-store.hh19
-rw-r--r--src/libstore/remote-store.cc18
-rw-r--r--src/libstore/remote-store.hh4
-rw-r--r--src/libstore/schema.sql5
-rw-r--r--src/libstore/store-api.hh8
-rw-r--r--src/nix-daemon/nix-daemon.cc17
-rw-r--r--src/nix-store/nix-store.cc22
-rw-r--r--tests/local.mk2
-rw-r--r--tests/negative-caching.nix21
-rw-r--r--tests/negative-caching.sh22
17 files changed, 12 insertions, 335 deletions
diff --git a/doc/manual/command-ref/conf-file.xml b/doc/manual/command-ref/conf-file.xml
index acddd63e12f7..f598d359e15f 100644
--- a/doc/manual/command-ref/conf-file.xml
+++ b/doc/manual/command-ref/conf-file.xml
@@ -306,21 +306,6 @@ flag, e.g. <literal>--option gc-keep-outputs false</literal>.</para>
   </varlistentry>
 
 
-  <varlistentry><term><literal>build-cache-failure</literal></term>
-
-    <listitem><para>If set to <literal>true</literal>, Nix will
-    “cache” build failures, meaning that it will remember (in its
-    database) that a derivation previously failed.  If you then try to
-    build the derivation again, Nix will immediately fail rather than
-    perform the build again.  Failures in fixed-output derivations
-    (such as <function>fetchurl</function> calls) are never cached.
-    The “failed” status of a derivation can be cleared using
-    <command>nix-store --clear-failed-paths</command>.  By default,
-    failure caching is disabled.</para></listitem>
-
-  </varlistentry>
-
-
   <varlistentry><term><literal>build-keep-log</literal></term>
 
     <listitem><para>If set to <literal>true</literal> (the default),
diff --git a/doc/manual/command-ref/nix-store.xml b/doc/manual/command-ref/nix-store.xml
index 58a33117940f..340f61210b2d 100644
--- a/doc/manual/command-ref/nix-store.xml
+++ b/doc/manual/command-ref/nix-store.xml
@@ -1350,82 +1350,6 @@ export _args; _args='-e /nix/store/9krlzvny65gdc8s7kpb6lkx8cd02c25c-default-buil
 
 <!--######################################################################-->
 
-<refsection><title>Operation <option>--query-failed-paths</option></title>
-
-<refsection>
-  <title>Synopsis</title>
-  <cmdsynopsis>
-    <command>nix-store</command>
-    <arg choice='plain'><option>--query-failed-paths</option></arg>
-  </cmdsynopsis>
-</refsection>
-
-<refsection><title>Description</title>
-
-<para>If build failure caching is enabled through the
-<literal>build-cache-failure</literal> configuration option, the
-operation <option>--query-failed-paths</option> will print out all
-store paths that have failed to build.</para>
-
-</refsection>
-
-<refsection><title>Example</title>
-
-<screen>
-$ nix-store --query-failed-paths
-/nix/store/000zi5dcla86l92jn1g997jb06sidm7x-perl-PerlMagick-6.59
-/nix/store/0011iy7sfwbc1qj5a1f6ifjnbcdail8a-haskell-gitit-ghc7.0.4-0.8.1
-/nix/store/001c0yn1hkh86gprvrb46cxnz3pki7q3-gamin-0.1.10
-<replaceable>…</replaceable>
-</screen>
-
-</refsection>
-
-</refsection>
-
-
-<!--######################################################################-->
-
-<refsection><title>Operation <option>--clear-failed-paths</option></title>
-
-<refsection>
-  <title>Synopsis</title>
-  <cmdsynopsis>
-    <command>nix-store</command>
-    <arg choice='plain'><option>--clear-failed-paths</option></arg>
-    <arg choice='plain' rep='repeat'><replaceable>paths</replaceable></arg>
-  </cmdsynopsis>
-</refsection>
-
-<refsection><title>Description</title>
-
-<para>If build failure caching is enabled through the
-<literal>build-cache-failure</literal> configuration option, the
-operation <option>--clear-failed-paths</option> clears the “failed”
-state of the given store paths, allowing them to be built again.  This
-is useful if the failure was actually transient (e.g. because the disk
-was full).</para>
-
-<para>If a path denotes a derivation, its output paths are cleared.
-You can provide the argument <literal>*</literal> to clear all store
-paths.</para>
-
-</refsection>
-
-<refsection><title>Example</title>
-
-<screen>
-$ nix-store --clear-failed-paths /nix/store/000zi5dcla86l92jn1g997jb06sidm7x-perl-PerlMagick-6.59
-$ nix-store --clear-failed-paths *
-</screen>
-
-</refsection>
-
-</refsection>
-
-
-<!--######################################################################-->
-
 <refsection xml:id='rsec-nix-store-generate-binary-cache-key'><title>Operation <option>--generate-binary-cache-key</option></title>
 
 <refsection>
diff --git a/src/libstore/binary-cache-store.hh b/src/libstore/binary-cache-store.hh
index 0020f89eee49..9e7b0ad9a384 100644
--- a/src/libstore/binary-cache-store.hh
+++ b/src/libstore/binary-cache-store.hh
@@ -156,12 +156,6 @@ public:
     void collectGarbage(const GCOptions & options, GCResults & results) override
     { notImpl(); }
 
-    PathSet queryFailedPaths() override
-    { return {}; }
-
-    void clearFailedPaths(const PathSet & paths) override
-    { }
-
     void optimiseStore() override
     { }
 
diff --git a/src/libstore/build.cc b/src/libstore/build.cc
index e493ac1aa22e..c1eea87e344d 100644
--- a/src/libstore/build.cc
+++ b/src/libstore/build.cc
@@ -1047,11 +1047,6 @@ void DerivationGoal::haveDerivation()
         return;
     }
 
-    /* Check whether any output previously failed to build.  If so,
-       don't bother. */
-    for (auto & i : invalidOutputs)
-        if (pathFailed(i)) return;
-
     /* Reject doing a hash build of anything other than a fixed-output
        derivation. */
     if (buildMode == bmHash) {
@@ -1322,12 +1317,6 @@ void DerivationGoal::tryToBuild()
         deletePath(path);
     }
 
-    /* Check again whether any output previously failed to build,
-       because some other process may have tried and failed before we
-       acquired the lock. */
-    for (auto & i : drv->outputs)
-        if (pathFailed(i.second.path)) return;
-
     /* Don't do a remote build if the derivation has the attribute
        `preferLocalBuild' set.  Also, check and repair modes are only
        supported for local builds. */
@@ -1549,17 +1538,6 @@ void DerivationGoal::buildDone()
                 statusOk(status) ? BuildResult::OutputRejected :
                 fixedOutput || diskFull ? BuildResult::TransientFailure :
                 BuildResult::PermanentFailure;
-
-            /* Register the outputs of this build as "failed" so we
-               won't try to build them again (negative caching).
-               However, don't do this for fixed-output derivations,
-               since they're likely to fail for transient reasons
-               (e.g., fetchurl not being able to access the network).
-               Hook errors (like communication problems with the
-               remote machine) shouldn't be cached either. */
-            if (settings.cacheFailure && !fixedOutput && !diskFull)
-                for (auto & i : drv->outputs)
-                    worker.store.registerFailedPath(i.second.path);
         }
 
         done(st, e.msg());
@@ -2993,23 +2971,6 @@ PathSet DerivationGoal::checkPathValidity(bool returnValid, bool checkHash)
 }
 
 
-bool DerivationGoal::pathFailed(const Path & path)
-{
-    if (!settings.cacheFailure) return false;
-
-    if (!worker.store.hasPathFailed(path)) return false;
-
-    printMsg(lvlError, format("builder for ‘%1%’ failed previously (cached)") % path);
-
-    if (settings.printBuildTrace)
-        printMsg(lvlError, format("@ build-failed %1% - cached") % drvPath);
-
-    done(BuildResult::CachedFailure);
-
-    return true;
-}
-
-
 Path DerivationGoal::addHashRewrite(const Path & path)
 {
     string h1 = string(path, settings.nixStore.size() + 1, 32);
@@ -3031,7 +2992,7 @@ void DerivationGoal::done(BuildResult::Status status, const string & msg)
     amDone(result.success() ? ecSuccess : ecFailed);
     if (result.status == BuildResult::TimedOut)
         worker.timedOut = true;
-    if (result.status == BuildResult::PermanentFailure || result.status == BuildResult::CachedFailure)
+    if (result.status == BuildResult::PermanentFailure)
         worker.permanentFailure = true;
 }
 
diff --git a/src/libstore/globals.cc b/src/libstore/globals.cc
index e704837e8798..e55144a06c41 100644
--- a/src/libstore/globals.cc
+++ b/src/libstore/globals.cc
@@ -52,7 +52,6 @@ Settings::Settings()
     keepLog = true;
     compressLog = true;
     maxLogSize = 0;
-    cacheFailure = false;
     pollInterval = 5;
     checkRootReachability = false;
     gcKeepOutputs = false;
@@ -175,7 +174,6 @@ void Settings::update()
     _get(keepLog, "build-keep-log");
     _get(compressLog, "build-compress-log");
     _get(maxLogSize, "build-max-log-size");
-    _get(cacheFailure, "build-cache-failure");
     _get(pollInterval, "build-poll-interval");
     _get(checkRootReachability, "gc-check-reachability");
     _get(gcKeepOutputs, "gc-keep-outputs");
diff --git a/src/libstore/globals.hh b/src/libstore/globals.hh
index 60b11afe6088..572fa7188c14 100644
--- a/src/libstore/globals.hh
+++ b/src/libstore/globals.hh
@@ -168,9 +168,6 @@ struct Settings {
        before being killed (0 means no limit). */
     unsigned long maxLogSize;
 
-    /* Whether to cache build failures. */
-    bool cacheFailure;
-
     /* How often (in seconds) to poll for locks. */
     unsigned int pollInterval;
 
diff --git a/src/libstore/local-store.cc b/src/libstore/local-store.cc
index 31aee0dd1d94..c928e7cb6ed4 100644
--- a/src/libstore/local-store.cc
+++ b/src/libstore/local-store.cc
@@ -198,6 +198,13 @@ LocalStore::LocalStore()
             txn.commit();
         }
 
+        if (curSchema < 9) {
+            SQLiteTxn txn(state->db);
+            if (sqlite3_exec(state->db, "drop table FailedPaths", 0, 0, 0) != SQLITE_OK)
+                throwSQLiteError(state->db, "upgrading database schema");
+            txn.commit();
+        }
+
         writeFile(schemaPath, (format("%1%") % nixSchemaVersion).str());
 
         lockFile(globalLock, ltRead, true);
@@ -327,16 +334,6 @@ void LocalStore::openDB(State & state, bool create)
         "select path from Refs join ValidPaths on referrer = id where reference = (select id from ValidPaths where path = ?);");
     state.stmtInvalidatePath.create(db,
         "delete from ValidPaths where path = ?;");
-    state.stmtRegisterFailedPath.create(db,
-        "insert or ignore into FailedPaths (path, time) values (?, ?);");
-    state.stmtHasPathFailed.create(db,
-        "select time from FailedPaths where path = ?;");
-    state.stmtQueryFailedPaths.create(db,
-        "select path from FailedPaths;");
-    // If the path is a derivation, then clear its outputs.
-    state.stmtClearFailedPath.create(db,
-        "delete from FailedPaths where ?1 = '*' or path = ?1 "
-        "or path in (select d.path from DerivationOutputs d join ValidPaths v on d.drv = v.id where v.path = ?1);");
     state.stmtAddDerivationOutput.create(db,
         "insert or replace into DerivationOutputs (drv, id, path) values (?, ?, ?);");
     state.stmtQueryValidDerivers.create(db,
@@ -583,55 +580,6 @@ uint64_t LocalStore::addValidPath(State & state,
 }
 
 
-void LocalStore::registerFailedPath(const Path & path)
-{
-    retrySQLite<void>([&]() {
-        auto state(_state.lock());
-        state->stmtRegisterFailedPath.use()(path)(time(0)).step();
-    });
-}
-
-
-bool LocalStore::hasPathFailed(const Path & path)
-{
-    return retrySQLite<bool>([&]() {
-        auto state(_state.lock());
-        return state->stmtHasPathFailed.use()(path).next();
-    });
-}
-
-
-PathSet LocalStore::queryFailedPaths()
-{
-    return retrySQLite<PathSet>([&]() {
-        auto state(_state.lock());
-
-        auto useQueryFailedPaths(state->stmtQueryFailedPaths.use());
-
-        PathSet res;
-        while (useQueryFailedPaths.next())
-            res.insert(useQueryFailedPaths.getStr(0));
-
-        return res;
-    });
-}
-
-
-void LocalStore::clearFailedPaths(const PathSet & paths)
-{
-    retrySQLite<void>([&]() {
-        auto state(_state.lock());
-
-        SQLiteTxn txn(state->db);
-
-        for (auto & path : paths)
-            state->stmtClearFailedPath.use()(path).exec();
-
-        txn.commit();
-    });
-}
-
-
 Hash parseHashField(const Path & path, const string & s)
 {
     string::size_type colon = s.find(':');
diff --git a/src/libstore/local-store.hh b/src/libstore/local-store.hh
index dceeb42ccee5..14ff92c35cc5 100644
--- a/src/libstore/local-store.hh
+++ b/src/libstore/local-store.hh
@@ -17,8 +17,8 @@ namespace nix {
 /* Nix store and database schema version.  Version 1 (or 0) was Nix <=
    0.7.  Version 2 was Nix 0.8 and 0.9.  Version 3 is Nix 0.10.
    Version 4 is Nix 0.11.  Version 5 is Nix 0.12-0.16.  Version 6 is
-   Nix 1.0.  Version 7 is Nix 1.3. Version 8 is 1.12. */
-const int nixSchemaVersion = 8;
+   Nix 1.0.  Version 7 is Nix 1.3. Version 9 is 1.12. */
+const int nixSchemaVersion = 9;
 
 
 extern string drvsLogDir;
@@ -71,10 +71,6 @@ private:
         SQLiteStmt stmtQueryReferences;
         SQLiteStmt stmtQueryReferrers;
         SQLiteStmt stmtInvalidatePath;
-        SQLiteStmt stmtRegisterFailedPath;
-        SQLiteStmt stmtHasPathFailed;
-        SQLiteStmt stmtQueryFailedPaths;
-        SQLiteStmt stmtClearFailedPath;
         SQLiteStmt stmtAddDerivationOutput;
         SQLiteStmt stmtQueryValidDerivers;
         SQLiteStmt stmtQueryDerivationOutputs;
@@ -194,17 +190,6 @@ public:
 
     void registerValidPaths(const ValidPathInfos & infos);
 
-    /* Register that the build of a derivation with output `path' has
-       failed. */
-    void registerFailedPath(const Path & path);
-
-    /* Query whether `path' previously failed to build. */
-    bool hasPathFailed(const Path & path);
-
-    PathSet queryFailedPaths() override;
-
-    void clearFailedPaths(const PathSet & paths) override;
-
     void vacuumDB();
 
     /* Repair the contents of the given path by redownloading it using
diff --git a/src/libstore/remote-store.cc b/src/libstore/remote-store.cc
index 4d5d689dc7f9..761e835481a8 100644
--- a/src/libstore/remote-store.cc
+++ b/src/libstore/remote-store.cc
@@ -520,23 +520,6 @@ void RemoteStore::collectGarbage(const GCOptions & options, GCResults & results)
 }
 
 
-PathSet RemoteStore::queryFailedPaths()
-{
-    auto conn(connections->get());
-    conn->to << wopQueryFailedPaths;
-    conn->processStderr();
-    return readStorePaths<PathSet>(conn->from);
-}
-
-
-void RemoteStore::clearFailedPaths(const PathSet & paths)
-{
-    auto conn(connections->get());
-    conn->to << wopClearFailedPaths << paths;
-    conn->processStderr();
-    readInt(conn->from);
-}
-
 void RemoteStore::optimiseStore()
 {
     auto conn(connections->get());
@@ -545,6 +528,7 @@ void RemoteStore::optimiseStore()
     readInt(conn->from);
 }
 
+
 bool RemoteStore::verifyStore(bool checkContents, bool repair)
 {
     auto conn(connections->get());
diff --git a/src/libstore/remote-store.hh b/src/libstore/remote-store.hh
index cede4d332f88..45bc41804ccf 100644
--- a/src/libstore/remote-store.hh
+++ b/src/libstore/remote-store.hh
@@ -85,10 +85,6 @@ public:
 
     void collectGarbage(const GCOptions & options, GCResults & results) override;
 
-    PathSet queryFailedPaths() override;
-
-    void clearFailedPaths(const PathSet & paths) override;
-
     void optimiseStore() override;
 
     bool verifyStore(bool checkContents, bool repair) override;
diff --git a/src/libstore/schema.sql b/src/libstore/schema.sql
index 39c74c65a4f2..91878af1580d 100644
--- a/src/libstore/schema.sql
+++ b/src/libstore/schema.sql
@@ -39,8 +39,3 @@ create table if not exists DerivationOutputs (
 );
 
 create index if not exists IndexDerivationOutputs on DerivationOutputs(path);
-
-create table if not exists FailedPaths (
-    path text primary key not null,
-    time integer not null
-);
diff --git a/src/libstore/store-api.hh b/src/libstore/store-api.hh
index 798054d16656..ae5631ba0b7c 100644
--- a/src/libstore/store-api.hh
+++ b/src/libstore/store-api.hh
@@ -148,7 +148,6 @@ struct BuildResult
         InputRejected,
         OutputRejected,
         TransientFailure, // possibly transient
-        CachedFailure,
         TimedOut,
         MiscFailure,
         DependencyFailed,
@@ -325,13 +324,6 @@ public:
     /* Perform a garbage collection. */
     virtual void collectGarbage(const GCOptions & options, GCResults & results) = 0;
 
-    /* Return the set of paths that have failed to build.*/
-    virtual PathSet queryFailedPaths() = 0;
-
-    /* Clear the "failed" status of the given paths.  The special
-       value `*' causes all failed paths to be cleared. */
-    virtual void clearFailedPaths(const PathSet & paths) = 0;
-
     /* Return a string representing information about the path that
        can be loaded into the database using `nix-store --load-db' or
        `nix-store --register-validity'. */
diff --git a/src/nix-daemon/nix-daemon.cc b/src/nix-daemon/nix-daemon.cc
index 439cd3dc0bce..c3cdb8395093 100644
--- a/src/nix-daemon/nix-daemon.cc
+++ b/src/nix-daemon/nix-daemon.cc
@@ -493,23 +493,6 @@ static void performOp(ref<LocalStore> store, bool trusted, unsigned int clientVe
         break;
     }
 
-    case wopQueryFailedPaths: {
-        startWork();
-        PathSet paths = store->queryFailedPaths();
-        stopWork();
-        to << paths;
-        break;
-    }
-
-    case wopClearFailedPaths: {
-        PathSet paths = readStrings<PathSet>(from);
-        startWork();
-        store->clearFailedPaths(paths);
-        stopWork();
-        to << 1;
-        break;
-    }
-
     case wopQueryPathInfo: {
         Path path = readStorePath(from);
         startWork();
diff --git a/src/nix-store/nix-store.cc b/src/nix-store/nix-store.cc
index 1a27230416cc..179015b52bfe 100644
--- a/src/nix-store/nix-store.cc
+++ b/src/nix-store/nix-store.cc
@@ -821,24 +821,6 @@ static void opOptimise(Strings opFlags, Strings opArgs)
     store->optimiseStore();
 }
 
-static void opQueryFailedPaths(Strings opFlags, Strings opArgs)
-{
-    if (!opArgs.empty() || !opFlags.empty())
-        throw UsageError("no arguments expected");
-    PathSet failed = store->queryFailedPaths();
-    for (auto & i : failed)
-        cout << format("%1%\n") % i;
-}
-
-
-static void opClearFailedPaths(Strings opFlags, Strings opArgs)
-{
-    if (!opFlags.empty())
-        throw UsageError("no flags expected");
-    store->clearFailedPaths(PathSet(opArgs.begin(), opArgs.end()));
-}
-
-
 /* Serve the nix store in a way usable by a restricted ssh user. */
 static void opServe(Strings opFlags, Strings opArgs)
 {
@@ -1102,10 +1084,6 @@ int main(int argc, char * * argv)
                 op = opRepairPath;
             else if (*arg == "--optimise" || *arg == "--optimize")
                 op = opOptimise;
-            else if (*arg == "--query-failed-paths")
-                op = opQueryFailedPaths;
-            else if (*arg == "--clear-failed-paths")
-                op = opClearFailedPaths;
             else if (*arg == "--serve")
                 op = opServe;
             else if (*arg == "--generate-binary-cache-key")
diff --git a/tests/local.mk b/tests/local.mk
index 03f53b44c275..46f339de6fdf 100644
--- a/tests/local.mk
+++ b/tests/local.mk
@@ -7,7 +7,7 @@ nix_tests = \
   fallback.sh nix-push.sh gc.sh gc-concurrent.sh nix-pull.sh \
   referrers.sh user-envs.sh logging.sh nix-build.sh misc.sh fixed.sh \
   gc-runtime.sh install-package.sh check-refs.sh filter-source.sh \
-  remote-store.sh export.sh export-graph.sh negative-caching.sh \
+  remote-store.sh export.sh export-graph.sh \
   binary-patching.sh timeout.sh secure-drv-outputs.sh nix-channel.sh \
   multiple-outputs.sh import-derivation.sh fetchurl.sh optimise-store.sh \
   binary-cache.sh nix-profile.sh repair.sh dump-db.sh case-hack.sh \
diff --git a/tests/negative-caching.nix b/tests/negative-caching.nix
deleted file mode 100644
index 10df67a748fc..000000000000
--- a/tests/negative-caching.nix
+++ /dev/null
@@ -1,21 +0,0 @@
-with import ./config.nix;
-
-rec {
-
-  fail = mkDerivation {
-    name = "fail";
-    builder = builtins.toFile "builder.sh" "echo FAIL; exit 1";
-  };
-
-  succeed = mkDerivation {
-    name = "succeed";
-    builder = builtins.toFile "builder.sh" "echo SUCCEED; mkdir $out";
-  };
-
-  depOnFail = mkDerivation {
-    name = "dep-on-fail";
-    builder = builtins.toFile "builder.sh" "echo URGH; mkdir $out";
-    inputs = [fail succeed];
-  };
-
-}
diff --git a/tests/negative-caching.sh b/tests/negative-caching.sh
deleted file mode 100644
index 4217bc38e121..000000000000
--- a/tests/negative-caching.sh
+++ /dev/null
@@ -1,22 +0,0 @@
-source common.sh
-
-clearStore
-
-set +e
-
-opts="--option build-cache-failure true --print-build-trace"
-
-# This build should fail, and the failure should be cached.
-log=$(nix-build $opts negative-caching.nix -A fail --no-out-link 2>&1) && fail "should fail"
-echo "$log" | grep -q "@ build-failed" || fail "no build-failed trace"
-
-# Do it again.  The build shouldn't be tried again.
-log=$(nix-build $opts negative-caching.nix -A fail --no-out-link 2>&1) && fail "should fail"
-echo "$log" | grep -q "FAIL" && fail "failed build not cached"
-echo "$log" | grep -q "@ build-failed .* cached" || fail "trace doesn't say cached"
-
-# Check that --keep-going works properly with cached failures.
-log=$(nix-build $opts --keep-going negative-caching.nix -A depOnFail --no-out-link 2>&1) && fail "should fail"
-echo "$log" | grep -q "FAIL" && fail "failed build not cached (2)"
-echo "$log" | grep -q "@ build-failed .* cached" || fail "trace doesn't say cached (2)"
-echo "$log" | grep -q "@ build-succeeded .*-succeed" || fail "didn't keep going"
generated by cgit-pink 1.4.1 (git 2.44.2) at 2024-11-01T20·51+0000