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authorLudovic Courtès <ludo@gnu.org>2015-07-20 04:30:16 +0200
committerLudovic Courtès <ludo@gnu.org>2016-11-16 18:19:47 +0100
commit94d92c7796a3dd50c27d532315f7d497ac99f08e (patch)
tree505902f5583fe528ceceacfd15d1f43828c4ad79 /config-daemon.ac
parent17ab08bcf0ae27ec6a1f07766080ebfbea8837d9 (diff)
downloadguix-94d92c7796a3dd50c27d532315f7d497ac99f08e.tar.gz
daemon: 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>
Diffstat (limited to 'config-daemon.ac')
-rw-r--r--config-daemon.ac2
1 files changed, 2 insertions, 0 deletions
diff --git a/config-daemon.ac b/config-daemon.ac
index f66f31269d..8a3e6d8b60 100644
--- a/config-daemon.ac
+++ b/config-daemon.ac
@@ -144,6 +144,8 @@ if test "x$guix_build_daemon" = "xyes"; then
 
   AC_CONFIG_FILES([nix/scripts/list-runtime-roots],
     [chmod +x nix/scripts/list-runtime-roots])
+  AC_CONFIG_FILES([nix/scripts/download],
+    [chmod +x nix/scripts/download])
   AC_CONFIG_FILES([nix/scripts/substitute],
     [chmod +x nix/scripts/substitute])
   AC_CONFIG_FILES([nix/scripts/guix-authenticate],