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Code Activity

Fix nix-build --check -K in sandbox w/o root

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Temporarily add user-write permission to build directory so that it
can be moved out of the sandbox to the store with a .check suffix.

This is necessary because the build directory has already had its
permissions set read-only, but write permission is required
to update the directory's parent link to move it out of the sandbox.

Updated the related --check "derivation may not be deterministic"
messages to consistently use the real store paths.

Added test for non-root sandbox nix-build --check -K to demonstrate
issue and help prevent regressions.
This commit is contained in:
Bruce Toll 2019-02-17 14:34:31 -05:00
parent 3abf6d03c6
commit 8132d0a12e
2 changed files with 33 additions and 4 deletions
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7
tests/linux-sandbox.sh
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@ -28,3 +28,10 @@ nix cat-store $outPath/foobar | grep FOOBAR
# Test --check without hash rewriting.
nix-build dependencies.nix --no-out-link --check --sandbox-paths /nix/store
# Test that sandboxed builds with --check and -K can move .check directory to store
nix-build check.nix -A nondeterministic --sandbox-paths /nix/store --no-out-link
(! nix-build check.nix -A nondeterministic --sandbox-paths /nix/store --no-out-link --check -K 2> $TEST_ROOT/log)
if grep -q 'error: renaming' $TEST_ROOT/log; then false; fi
grep -q 'may not be deterministic' $TEST_ROOT/log