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authorWout Mertens <Wout.Mertens@gmail.com>2015-02-16 11:42:24 +0100
committerWout Mertens <Wout.Mertens@gmail.com>2015-02-16 11:42:24 +0100
commit65438da88a0d1299b190c95345224e811d82e12b (patch)
tree91ec2d2b50ef43cc57327eac2191b951ee829dd4 /nixos
parent824fccd3e90cf75d5e2968fef2392f70e04d9f9c (diff)
parentd41367735d21c61f9260ef6037d8f4c6096baa80 (diff)
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Merge pull request #6357 from NixOS/jobs-vs-users
nix-daemon: Sanity check maxJobs vs nrBuildUsers
Diffstat (limited to 'nixos')
-rw-r--r--nixos/modules/services/misc/nix-daemon.nix7
1 files changed, 6 insertions, 1 deletions
diff --git a/nixos/modules/services/misc/nix-daemon.nix b/nixos/modules/services/misc/nix-daemon.nix
index e2548864af5b..9979c6c9815b 100644
--- a/nixos/modules/services/misc/nix-daemon.nix
+++ b/nixos/modules/services/misc/nix-daemon.nix
@@ -323,7 +323,12 @@ in
         fi
       '';
 
-    users.extraUsers = map makeNixBuildUser (range 1 cfg.nrBuildUsers);
+    users.extraUsers =
+      if cfg.nrBuildUsers >= cfg.maxJobs then
+        map makeNixBuildUser (range 1 cfg.nrBuildUsers)
+      else
+        throw "Not enough build users (${cfg.nrBuildUsers}) to support ${cfg.maxJobs} build jobs. Change nrBuildUsers or maxJobs."
+      ;
 
     system.activationScripts.nix = stringAfter [ "etc" "users" ]
       ''