nix/tests/functional/nar-access.sh

#!/usr/bin/env bash

source common.sh

echo "building test path"
storePath="$(nix-build nar-access.nix -A a --no-out-link)"

cd "$TEST_ROOT"

# Dump path to nar.
narFile="$TEST_ROOT/path.nar"
nix-store --dump $storePath > $narFile

# Check that find and nar ls match.
( cd $storePath; find . | sort ) > files.find
nix nar ls -R -d $narFile "" | sort > files.ls-nar
diff -u files.find files.ls-nar

# Check that file contents of data match.
nix nar cat $narFile /foo/data > data.cat-nar
diff -u data.cat-nar $storePath/foo/data

# Check that file contents of baz match.
nix nar cat $narFile /foo/baz > baz.cat-nar
diff -u baz.cat-nar $storePath/foo/baz

nix store cat $storePath/foo/baz > baz.cat-nar
diff -u baz.cat-nar $storePath/foo/baz

TODO_NixOS

# Check that 'nix store cat' fails on invalid store paths.
invalidPath="$(dirname $storePath)/99999999999999999999999999999999-foo"
cp -r $storePath $invalidPath
expect 1 nix store cat $invalidPath/foo/baz

# Test --json.
diff -u \
    <(nix nar ls --json $narFile / | jq -S) \
    <(echo '{"type":"directory","entries":{"foo":{},"foo-x":{},"qux":{},"zyx":{}}}' | jq -S)
diff -u \
    <(nix nar ls --json -R $narFile /foo | jq -S) \
    <(echo '{"type":"directory","entries":{"bar":{"type":"regular","size":0,"narOffset":368},"baz":{"type":"regular","size":0,"narOffset":552},"data":{"type":"regular","size":58,"narOffset":736}}}' | jq -S)
diff -u \
    <(nix nar ls --json -R $narFile /foo/bar | jq -S) \
    <(echo '{"type":"regular","size":0,"narOffset":368}' | jq -S)
diff -u \
    <(nix store ls --json $storePath | jq -S) \
    <(echo '{"type":"directory","entries":{"foo":{},"foo-x":{},"qux":{},"zyx":{}}}' | jq -S)
diff -u \
    <(nix store ls --json -R $storePath/foo | jq -S) \
    <(echo '{"type":"directory","entries":{"bar":{"type":"regular","size":0},"baz":{"type":"regular","size":0},"data":{"type":"regular","size":58}}}' | jq -S)
diff -u \
    <(nix store ls --json -R $storePath/foo/bar| jq -S) \
    <(echo '{"type":"regular","size":0}' | jq -S)

# Test missing files.
expect 1 nix store ls --json -R $storePath/xyzzy 2>&1 | grep 'does not exist'
expect 1 nix store ls $storePath/xyzzy 2>&1 | grep 'does not exist'

# Test failure to dump.
if nix-store --dump $storePath >/dev/full ; then
    echo "dumping to /dev/full should fail"
    exit -1
fi