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Fix devx container failures: Bash 3.2 and impure path errors #226

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Merged
angerman merged 1 commit into from
Feb 21, 2026
Merged

Fix devx container failures: Bash 3.2 and impure path errors #226

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10 changes: 9 additions & 1 deletion flake.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -342,7 +342,7 @@
name = "devx";
executable = true;
text = ''
#!/usr/bin/env bash
#!${pkgs.bash}/bin/bash

# Raw derivation environment variables. These seed stdenv's
# setup.sh with build inputs, compiler paths, and other
Expand All @@ -363,6 +363,14 @@
mkdir -p "$out"
fi

# Development shells must not enforce store-path purity.
# The stdenv preHook defaults NIX_ENFORCE_PURITY to 1, which
# causes the cc-wrapper to reject -I/-L flags pointing outside
# /nix/store/ (e.g. the cabal package store at $CABAL_DIR/store/).
# Setting it to empty before sourcing setup.sh makes the preHook's
# ''${NIX_ENFORCE_PURITY-1} keep the empty value instead of defaulting.
export NIX_ENFORCE_PURITY=

# Source stdenv's setup.sh to initialize the development
# environment. This runs all setup hooks (cc-wrapper,
# pkg-config-wrapper, etc.) and populates NIX_CFLAGS_COMPILE,
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