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guix/nix
Ludovic Courtès 6ef61cc4c3
daemon: Support multiplexed build output.
This allows clients to tell whether output comes from the daemon or, if
it comes from a builder, from which builder it comes.  The latter is
particularly useful when MAX-BUILD-JOBS > 1.

* nix/libstore/build.cc (DerivationGoal::tryBuildHook)
(DerivationGoal::startBuilder): Print the child's PID in "@ build-started"
traces.
(DerivationGoal::handleChildOutput): Define 'prefix', pass it to
'writeToStderr'.
* nix/libstore/globals.cc (Settings:Settings): Initialize
'multiplexedBuildOutput'.
(Settings::update): Likewise.
* nix/libstore/globals.hh (Settings)[multiplexedBuildOutput]: New field.
Update 'printBuildTrace' documentation.
* nix/libstore/worker-protocol.hh (PROTOCOL_VERSION): Bump to 0.163.
* nix/nix-daemon/nix-daemon.cc (performOp) <wopSetOptions>: Special-case
"multiplexed-build-output" and remove "use-ssh-substituter".
* guix/store.scm (set-build-options): Add #:multiplexed-build-output?
and honor it.
(%protocol-version): Bump to #x163.
* tests/store.scm ("multiplexed-build-output"): New test.

fixlet
2018-10-15 22:40:35 +02:00
..
boost
libstore daemon: Support multiplexed build output. 2018-10-15 22:40:35 +02:00
libutil daemon: Remove "case hack" for nars. 2018-10-02 23:08:30 +02:00
nix-daemon daemon: Support multiplexed build output. 2018-10-15 22:40:35 +02:00
scripts list-runtime-root: Fix off-by-one in 'strip-drop' call. 2017-12-31 11:18:30 +01:00
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local.mk build: Remove leftover reference to nix/libstore/schema.sql. 2018-06-22 10:23:31 +02:00