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Fix macOS sandbox build

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Since c4c3c15c19 (#4251) building Nix for
macOS with sandboxing fails:
```
getting status of /nix/var/nix/profiles/per-user/root/channels/nixpkgs: Operation not permitted
```

This happens, because `EvalSettings::getDefaultNixPath` tries to access
paths outside the sandbox. Since the state-dir is not required for
doc generation, it is set to the dummy folder. This needs to be done
for all nix invocations during doc generation, as
`EvalSettings::getDefaultNixPath` is called unconditionally.
This commit is contained in:
Fabian Möller 2020-11-23 17:40:17 +01:00
parent 1973669e86
commit 5b0790355f
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GPG key ID: 70B29D65DD8A7E31
1 changed files with 11 additions and 4 deletions
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15
doc/manual/local.mk
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@ -15,7 +15,14 @@ clean-files += $(d)/*.1 $(d)/*.5 $(d)/*.8
dist-files += $(man-pages)
nix-eval = $(bindir)/nix eval --experimental-features nix-command -I nix/corepkgs=corepkgs --store dummy:// --impure --raw --expr
# Provide a dummy environment for nix, so that it will not access files outside the macOS sandbox.
dummy-env = env -i \
HOME=/dummy \
NIX_CONF_DIR=/dummy \
NIX_SSL_CERT_FILE=/dummy/no-ca-bundle.crt \
NIX_STATE_DIR=/dummy
nix-eval = $(dummy-env) $(bindir)/nix eval --experimental-features nix-command -I nix/corepkgs=corepkgs --store dummy:// --impure --raw --expr
$(d)/%.1: $(d)/src/command-ref/%.md
@printf "Title: %s\n\n" "$$(basename $@ .1)" > $^.tmp
@ -45,11 +52,11 @@ $(d)/src/command-ref/conf-file.md: $(d)/conf-file.json $(d)/generate-options.nix
@mv $@.tmp $@
$(d)/nix.json: $(bindir)/nix
$(trace-gen) $(bindir)/nix __dump-args > $@.tmp
$(trace-gen) $(dummy-env) $(bindir)/nix __dump-args > $@.tmp
@mv $@.tmp $@
$(d)/conf-file.json: $(bindir)/nix
$(trace-gen) env -i NIX_CONF_DIR=/dummy HOME=/dummy NIX_SSL_CERT_FILE=/dummy/no-ca-bundle.crt $(bindir)/nix show-config --json --experimental-features nix-command > $@.tmp
$(trace-gen) $(dummy-env) $(bindir)/nix show-config --json --experimental-features nix-command > $@.tmp
@mv $@.tmp $@
$(d)/src/expressions/builtins.md: $(d)/builtins.json $(d)/generate-builtins.nix $(d)/src/expressions/builtins-prefix.md $(bindir)/nix
@ -58,7 +65,7 @@ $(d)/src/expressions/builtins.md: $(d)/builtins.json $(d)/generate-builtins.nix
@mv $@.tmp $@
$(d)/builtins.json: $(bindir)/nix
$(trace-gen) NIX_PATH=nix/corepkgs=corepkgs $(bindir)/nix __dump-builtins > $@.tmp
$(trace-gen) $(dummy-env) NIX_PATH=nix/corepkgs=corepkgs $(bindir)/nix __dump-builtins > $@.tmp
mv $@.tmp $@
# Generate the HTML manual.