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Test nix-build with non-local-store --store

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Just a few small things needed fixing!
This commit is contained in:
John Ericson 2020-12-20 19:55:21 +00:00
parent 85f2e9e8fa
commit fed1237246
3 changed files with 33 additions and 4 deletions
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20
src/libstore/build/derivation-goal.cc
View file

@ -592,9 +592,17 @@ void DerivationGoal::tryToBuild()
PathSet lockFiles;
/* FIXME: Should lock something like the drv itself so we don't build same
CA drv concurrently */
for (auto & i : drv->outputsAndOptPaths(worker.store))
if (i.second.second)
lockFiles.insert(worker.store.Store::toRealPath(*i.second.second));
if (dynamic_cast<LocalStore *>(&worker.store))
/* If we aren't a local store, we might need to use the local store as
a build remote, but that would cause a deadlock. */
/* FIXME: Make it so we can use ourselves as a build remote even if we
are the local store (separate locking for building vs scheduling? */
/* FIXME: find some way to lock for scheduling for the other stores so
a forking daemon with --store still won't farm out redundant builds.
*/
for (auto & i : drv->outputsAndOptPaths(worker.store))
if (i.second.second)
lockFiles.insert(worker.store.Store::toRealPath(*i.second.second));
if (!outputLocks.lockPaths(lockFiles, "", false)) {
if (!actLock)
@ -680,6 +688,12 @@ void DerivationGoal::tryLocalBuild() {
/* Make sure that we are allowed to start a build. If this
derivation prefers to be done locally, do it even if
maxBuildJobs is 0. */
if (!dynamic_cast<LocalStore *>(&worker.store)) {
throw Error(
"unable to build with a primary store that isn't a local store; "
"either pass a different '--store' or enable remote builds."
"\nhttps://nixos.org/nix/manual/#chap-distributed-builds");
}
unsigned int curBuilds = worker.getNrLocalBuilds();
if (curBuilds >= settings.maxBuildJobs && !(buildLocally && curBuilds == 0)) {
worker.waitForBuildSlot(shared_from_this());

13
tests/binary-cache-build-remote.sh Normal file
View file

@ -0,0 +1,13 @@
source common.sh
clearStore
clearCacheCache
# Fails without remote builders
(! nix-build --store "file://$cacheDir" dependencies.nix)
# Succeeds with default store as build remote.
nix-build --store "file://$cacheDir" --builders 'auto - - 1 1' -j0 dependencies.nix
# Succeeds without any build capability because no-op
nix-build --store "file://$cacheDir" -j0 dependencies.nix

4
tests/local.mk
View file

@ -9,7 +9,9 @@ nix_tests = \
local-store.sh remote-store.sh export.sh export-graph.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 \
binary-cache.sh \
binary-cache-build-remote.sh \
nix-profile.sh repair.sh dump-db.sh case-hack.sh \
check-reqs.sh pass-as-file.sh tarball.sh restricted.sh \
placeholders.sh nix-shell.sh \
linux-sandbox.sh \