mirror of
https://github.com/privatevoid-net/nix-super.git
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38 lines
1.6 KiB
Bash
38 lines
1.6 KiB
Bash
source common.sh
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clearStore
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happy () {
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# We can do a read-only query just fine with a read-only store
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nix --store local?read-only=true path-info $dummyPath
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# We can "write" an already-present store-path a read-only store, because no IO is actually required
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nix-store --store local?read-only=true --add dummy
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}
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## Testing read-only mode without forcing the underlying store to actually be read-only
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# Make sure the command fails when the store doesn't already have a database
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expectStderr 1 nix-store --store local?read-only=true --add dummy | grepQuiet "unable to create database while in read-only mode"
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# Make sure the store actually has a current-database, with at least one store object
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dummyPath=$(nix-store --add dummy)
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# Try again and make sure we fail when adding a item not already in the store
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expectStderr 1 nix-store --store local?read-only=true --add eval.nix | grepQuiet "attempt to write a readonly database"
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# Test a few operations that should work with the read-only store in its current state
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happy
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## Testing read-only mode with an underlying store that is actually read-only
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# Ensure store is actually read-only
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chmod -R -w $TEST_ROOT/store
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chmod -R -w $TEST_ROOT/var
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# Make sure we fail on add operations on the read-only store
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# This is only for adding files that are not *already* in the store
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expectStderr 1 nix-store --add eval.nix | grepQuiet "error: opening lock file '$(readlink -e $TEST_ROOT)/var/nix/db/big-lock'"
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expectStderr 1 nix-store --store local?read-only=true --add eval.nix | grepQuiet "Permission denied"
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# Test the same operations from before should again succeed
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happy
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