nix-super/tests/local-overlay-store/check-post-init-inner.sh

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#!/usr/bin/env bash
set -eu -o pipefail
set -x
source common.sh
# Avoid store dir being inside sandbox build-dir
unset NIX_STORE_DIR
unset NIX_STATE_DIR
storeDirs
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initLowerStore
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mountOverlayfs
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### Check status
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# Checking for path in lower layer
stat $(toRealPath "$storeA/nix/store" "$path")
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# Checking for path in upper layer (should fail)
expect 1 stat $(toRealPath "$storeBTop" "$path")
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# Checking for path in overlay store matching lower layer
diff $(toRealPath "$storeA/nix/store" "$path") $(toRealPath "$storeBRoot/nix/store" "$path")
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# Checking requisites query agreement
[[ \
$(nix-store --store $storeA --query --requisites $drvPath) \
== \
$(nix-store --store $storeB --query --requisites $drvPath) \
]]
# Checking referrers query agreement
busyboxStore=$(nix store --store $storeA add-path $busybox)
[[ \
$(nix-store --store $storeA --query --referrers $busyboxStore) \
== \
$(nix-store --store $storeB --query --referrers $busyboxStore) \
]]
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# Checking derivers query agreement
[[ \
$(nix-store --store $storeA --query --deriver $path) \
== \
$(nix-store --store $storeB --query --deriver $path) \
]]
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# Checking outputs query agreement
[[ \
$(nix-store --store $storeA --query --outputs $drvPath) \
== \
$(nix-store --store $storeB --query --outputs $drvPath) \
]]
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# Verifying path in lower layer
nix-store --verify-path --store "$storeA" "$path"
# Verifying path in merged-store
nix-store --verify-path --store "$storeB" "$path"
hashPart=$(echo $path | sed "s^${NIX_STORE_DIR:-/nix/store}/^^" | sed 's/-.*//')
# Lower store can find from hash part
[[ $(nix store --store $storeA path-from-hash-part $hashPart) == $path ]]
# merged store can find from hash part
[[ $(nix store --store $storeB path-from-hash-part $hashPart) == $path ]]