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-rw-r--r--krebs/5pkgs/writers.nix9
1 files changed, 7 insertions, 2 deletions
diff --git a/krebs/5pkgs/writers.nix b/krebs/5pkgs/writers.nix
index 49ca3557e..f1626078e 100644
--- a/krebs/5pkgs/writers.nix
+++ b/krebs/5pkgs/writers.nix
@@ -144,9 +144,14 @@ with import <stockholm/lib>;
env = filevars // { passAsFile = attrNames filevars; };
in
+ # Use a subshell because <nixpkgs/stdenv/generic/setup.sh>'s genericBuild
+ # sources (or evaluates) the buildCommand and we don't want to modify its
+ # shell. In particular, exitHandler breaks in multiple ways with set -u.
pkgs.runCommand name env /* sh */ ''
- set -efu
- ${concatMapStringsSep "\n" (getAttr "install") files}
+ (
+ set -efu
+ ${concatMapStringsSep "\n" (getAttr "install") files}
+ )
'';
writeHaskell =