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35 lines
785 B
Bash
Executable file
35 lines
785 B
Bash
Executable file
#!/usr/bin/env bash
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set -eu -o pipefail
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set -x
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source common.sh
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# Avoid store dir being inside sandbox build-dir
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unset NIX_STORE_DIR
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unset NIX_STATE_DIR
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setupStoreDirs
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initLowerStore
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mountOverlayfs
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### Do a redundant add
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# (Already done in `initLowerStore`, but repeated here for clarity.)
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pathInLowerStore=$(nix-store --store "$storeA" --add ../dummy)
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# upper layer should not have it
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expect 1 stat $(toRealPath "$storeBTop/nix/store" "$pathInLowerStore")
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pathFromB=$(nix-store --store "$storeB" --add ../dummy)
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[[ $pathInLowerStore == $pathFromB ]]
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# lower store should have it from before
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stat $(toRealPath "$storeA/nix/store" "$pathInLowerStore")
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# upper layer should still not have it (no redundant copy)
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expect 1 stat $(toRealPath "$storeBTop" "$pathInLowerStore")
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