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nixos-install: Don't use NIX_BUILD_HOOK from caller's environment

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If nixos-install is run on a machine with `nix.distributedBuilds = true`
the installation will fail at some point like this:

Died at /nix/store/4frhrl31cl7iahlz6vyvysy5dmr6xnh3-nix-1.10/libexec/nix/build-remote.pl line 115, <STDIN> line 1.

This is due to `nix.distributedBuilds` setting
NIX_BUILD_HOOK=/nix/store/.../build-remote.pl in the global environment,
which then gets confused in the minimal chroot created by nixos-install.

To avoid these kinds of issues with build hooks, just disable them in
the chroot.
This commit is contained in:
Tuomas Tynkkynen 2015-09-30 22:43:06 +03:00
parent e916273209
commit 725a4d6740
1 changed files with 3 additions and 0 deletions
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3
nixos/modules/installer/tools/nixos-install.sh
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@ -188,6 +188,9 @@ mkdir -m 0755 -p $mountPoint/bin
ln -sf @shell@ $mountPoint/bin/sh
# Build hooks likely won't function correctly in the minimal chroot; just disable them.
unset NIX_BUILD_HOOK
# Make the build below copy paths from the CD if possible. Note that
# /tmp/root in the chroot is the root of the CD.
export NIX_OTHER_STORES=/tmp/root/nix:$NIX_OTHER_STORES