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2019-09-08daemon: Run 'guix perform-download' directly....* nix/scripts/download.in: Remove. * nix/local.mk (nodist_pkglibexec_SCRIPTS): Remove 'scripts/download'. * config-daemon.ac: Don't output 'nix/scripts/download'. * nix/libstore/builtins.cc (builtinDownload): Invoke 'guix perform-download' directly. Ludovic Courtès
2019-02-04daemon: Add "/guix" to default 'nixLibexecDir'....This makes it easier to run the uninstalled daemon. * nix/local.mk (libstore_a_CPPFLAGS): Append "/guix" to NIX_LIBEXEC_DIR. * build-aux/pre-inst-env.in (NIX_LIBEXEC_DIR): Adjust comment. * nix/libstore/builtins.cc (builtinDownload): Remove SUBDIR and its use. * nix/libstore/local-store.cc (runAuthenticationProgram): Ditto. * nix/libstore/gc.cc (addAdditionalRoots): Remove "/guix" prefix. * nix/nix-daemon/guix-daemon.cc (main): Ditto. Ludovic Courtès
2018-09-27perform-download: Optionally report a "download-progress" trace....* guix/scripts/perform-download.scm (perform-download): Add #:print-build-trace? and pass it to 'url-fetch'. (guix-perform-download): Define 'print-build-trace?' and pass it to 'perform-download'. * guix/build/download.scm (ftp-fetch): Add #:print-build-trace? and honor it. (url-fetch): Likewise. * nix/libstore/builtins.cc (builtinDownload): Set _NIX_OPTIONS environment variable. Ludovic Courtès
2017-02-07daemon: Define 'NIX_STORE' before invoking 'guix perform-download'....Reported by rohit yadav <rohityadav@utexas.edu> at <https://lists.gnu.org/archive/html/guix-devel/2017-02/msg00191.html>. This fixes a regression whereby 'guix perform-download' would always see NIX_STORE as unset and thus use "/gnu/store", leading it to miscompute the hydra.gnu.org content-addressed URLs when the store file name is not "/gnu/store". * nix/libstore/builtins.cc (builtinDownload): Add 'setenv' call for 'NIX_STORE'. Ludovic Courtès
2017-01-11daemon: Allow check builds of 'builtin:download' derivations....Fixes <http://bugs.gnu.org/25089>. Reported by Leo Famulari <leo@famulari.name>. * nix/libstore/build.cc (DerivationGoal::runChild): In the 'isBuiltin' case, check whether DRV's output is in 'redirectedOutputs', and pass an 'output' argument to the built-in builder. (DerivationGoal::addHashRewrite): Add 'printMsg' call. * nix/libstore/builtins.hh (derivationBuilder): Add 'output' parameter. * nix/libstore/builtins.cc (builtinDownload): Likewise. Add OUTPUT to ARGV. * guix/scripts/perform-download.scm (perform-download): Add 'output' parameter. (guix-perform-download): Adjust 'match' clauses accordingly. * tests/derivations.scm ("'download' built-in builder, check mode"): New test. Ludovic Courtès
2016-11-16daemon: Add 'built-in-builders' RPC....* nix/libstore/builtins.cc (builtinBuilderNames): New function. * nix/libstore/builtins.hh (builtinBuilderNames): New declaration. * nix/libstore/worker-protocol.hh (PROTOCOL_VERSION): Bump to 0x160. (WorkerOp)[wopBuiltinBuilders]: New value. * nix/nix-daemon/nix-daemon.cc (performOp): Handle it. * guix/store.scm (operation-id)[built-in-builders]: New value. * guix/store.scm (read-arg): Add 'string-list'. (built-in-builders): New procedure. * tests/derivations.scm ("built-in-builders"): New test. Ludovic Courtès
2016-11-16daemon: Add "builtin:download" derivation builder....This ensures that 1) the derivation doesn't change when Guix changes; 2) the derivation closure doesn't contain Guix and its dependencies; 3) we don't have to rely on ugly chroot hacks. Adapted from Nix commit 0a2bee307b20411f5b0dda0c662b1f9bb9e0e131. * nix/libstore/build.cc (DerivationGoal::runChild): Add special case for 'isBuiltin(drv)'. Disable chroot when 'isBuiltin(drv)'. * nix/libstore/builtins.cc, nix/libstore/builtins.hh, nix/scripts/download.in, guix/scripts/perform-download.scm: New files. * guix/ui.scm (show-guix-help)[internal?]: Add 'perform-download'. * nix/local.mk (libstore_a_SOURCES): Add builtins.cc. (libstore_headers): Add builtins.hh. (nodist_pkglibexec_SCRIPTS): Add 'scripts/download'. * config-daemon.ac: Emit 'scripts/download'. * Makefile.am (MODULES): Add 'guix/scripts/perform-download.scm'. * tests/derivations.scm ("unknown built-in builder") ("'download' built-in builder") ("'download' built-in builder, invalid hash") ("'download' built-in builder, not found") ("'download' built-in builder, not fixed-output"): New tests. Co-authored-by: Eelco Dolstra <eelco.dolstra@logicblox.com> Ludovic Courtès