e9a4abdb5d
There already existed a smoke test for the link content length, but it appears that there exists some corruptions pernicious enough to replace the file content with zeros, and keeping the same length. --repair-path now goes as far as checking the content of the link, making it true to its name and actually repairing the path for such coruption cases.
124 lines
3.1 KiB
Bash
124 lines
3.1 KiB
Bash
source common.sh
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needLocalStore "--repair needs a local store"
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clearStore
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path=$(nix-build dependencies.nix -o $TEST_ROOT/result)
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path2=$(nix-store -qR $path | grep input-2)
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nix-store --verify --check-contents -v
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hash=$(nix-hash $path2)
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# Corrupt a path and check whether nix-build --repair can fix it.
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chmod u+w $path2
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touch $path2/bad
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(! nix-store --verify --check-contents -v)
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# The path can be repaired by rebuilding the derivation.
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nix-store --verify --check-contents --repair
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(! [ -e $path2/bad ])
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(! [ -w $path2 ])
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nix-store --verify-path $path2
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# Re-corrupt and delete the deriver. Now --verify --repair should
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# not work.
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chmod u+w $path2
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touch $path2/bad
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nix-store --delete $(nix-store -q --referrers-closure $(nix-store -qd $path2))
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(! nix-store --verify --check-contents --repair)
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nix-build dependencies.nix -o $TEST_ROOT/result --repair
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if [ "$(nix-hash $path2)" != "$hash" -o -e $path2/bad ]; then
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echo "path not repaired properly" >&2
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exit 1
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fi
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# Corrupt a path that has a substitute and check whether nix-store
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# --verify can fix it.
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clearCache
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nix copy --to file://$cacheDir $path
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chmod u+w $path2
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rm -rf $path2
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nix-store --verify --check-contents --repair --substituters "file://$cacheDir" --no-require-sigs
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if [ "$(nix-hash $path2)" != "$hash" -o -e $path2/bad ]; then
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echo "path not repaired properly" >&2
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exit 1
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fi
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# Check --verify-path and --repair-path.
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nix-store --verify-path $path2
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chmod u+w $path2
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rm -rf $path2
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if nix-store --verify-path $path2; then
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echo "nix-store --verify-path succeeded unexpectedly" >&2
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exit 1
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fi
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nix-store --repair-path $path2 --substituters "file://$cacheDir" --no-require-sigs
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if [ "$(nix-hash $path2)" != "$hash" -o -e $path2/bad ]; then
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echo "path not repaired properly" >&2
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exit 1
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fi
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# Check that --repair-path also checks content of optimised symlinks (1/2)
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nix-store --verify-path $path2
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if (! nix-store --optimize); then
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echo "nix-store --optimize failed to optimize the store" >&2
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exit 1
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fi
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chmod u+w $path2/bar
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echo 'rabrab' > $path2/bar # different length
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if nix-store --verify-path $path2; then
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echo "nix-store --verify-path did not detect .links file corruption" >&2
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exit 1
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fi
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nix-store --repair-path $path2 --option auto-optimise-store true
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if [ "$(nix-hash $path2)" != "$hash" -o "BAR" != "$(< $path2/bar)" ]; then
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echo "path not repaired properly" >&2
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exit 1
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fi
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# Check that --repair-path also checks content of optimised symlinks (2/2)
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nix-store --verify-path $path2
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if (! nix-store --optimize); then
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echo "nix-store --optimize failed to optimize the store" >&2
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exit 1
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fi
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chmod u+w $path2
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chmod u+w $path2/bar
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sed -e 's/./X/g' < $path2/bar > $path2/tmp # same length, different content.
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cp $path2/tmp $path2/bar
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rm $path2/tmp
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if nix-store --verify-path $path2; then
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echo "nix-store --verify-path did not detect .links file corruption" >&2
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exit 1
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fi
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nix-store --repair-path $path2 --substituters "file://$cacheDir" --no-require-sigs --option auto-optimise-store true
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if [ "$(nix-hash $path2)" != "$hash" -o "BAR" != "$(< $path2/bar)" ]; then
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echo "path not repaired properly" >&2
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exit 1
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fi
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