mirror of
https://github.com/privatevoid-net/nix-super.git
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113 lines
4.9 KiB
Bash
Executable file
113 lines
4.9 KiB
Bash
Executable file
#!/usr/bin/env bash
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source common.sh
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clearStoreIfPossible
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rm -rf "$TEST_HOME"
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tarroot=$TEST_ROOT/tarball
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rm -rf "$tarroot"
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mkdir -p "$tarroot"
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cp dependencies.nix "$tarroot/default.nix"
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cp config.nix dependencies.builder*.sh "$tarroot/"
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touch -d '@1000000000' "$tarroot" "$tarroot"/*
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hash=$(nix hash path "$tarroot")
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test_tarball() {
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local ext="$1"
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local compressor="$2"
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tarball=$TEST_ROOT/tarball.tar$ext
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(cd "$TEST_ROOT" && GNUTAR_REPRODUCIBLE=1 tar --mtime="$tarroot"/default.nix --owner=0 --group=0 --numeric-owner --sort=name -c -f - tarball) | $compressor > "$tarball"
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nix-env -f file://"$tarball" -qa --out-path | grepQuiet dependencies
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nix-build -o "$TEST_ROOT"/result file://"$tarball"
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nix-build -o "$TEST_ROOT"/result '<foo>' -I foo=file://"$tarball"
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nix-build -o "$TEST_ROOT"/result -E "import (fetchTarball file://$tarball)"
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# Do not re-fetch paths already present
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nix-build -o "$TEST_ROOT"/result -E "import (fetchTarball { url = file:///does-not-exist/must-remain-unused/$tarball; sha256 = \"$hash\"; })"
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nix-build -o "$TEST_ROOT"/result -E "import (fetchTree file://$tarball)"
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nix-build -o "$TEST_ROOT"/result -E "import (fetchTree { type = \"tarball\"; url = file://$tarball; })"
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nix-build -o "$TEST_ROOT"/result -E "import (fetchTree { type = \"tarball\"; url = file://$tarball; narHash = \"$hash\"; })"
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[[ $(nix eval --impure --expr "(fetchTree file://$tarball).lastModified") = 1000000000 ]]
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nix-instantiate --strict --eval -E "!((import (fetchTree { type = \"tarball\"; url = file://$tarball; narHash = \"$hash\"; })) ? submodules)" >&2
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nix-instantiate --strict --eval -E "!((import (fetchTree { type = \"tarball\"; url = file://$tarball; narHash = \"$hash\"; })) ? submodules)" 2>&1 | grep 'true'
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nix-instantiate --eval -E '1 + 2' -I fnord=file:///no-such-tarball.tar"$ext"
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nix-instantiate --eval -E 'with <fnord/xyzzy>; 1 + 2' -I fnord=file:///no-such-tarball"$ext"
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(! nix-instantiate --eval -E '<fnord/xyzzy> 1' -I fnord=file:///no-such-tarball"$ext")
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nix-instantiate --eval -E '<fnord/config.nix>' -I fnord=file:///no-such-tarball"$ext" -I fnord=.
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# Ensure that the `name` attribute isn’t accepted as that would mess
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# with the content-addressing
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(! nix-instantiate --eval -E "fetchTree { type = \"tarball\"; url = file://$tarball; narHash = \"$hash\"; name = \"foo\"; }")
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store_path=$(nix store prefetch-file --json "file://$tarball" | jq -r .storePath)
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if ! cmp -s "$store_path" "$tarball"; then
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echo "prefetched tarball differs from original: $store_path vs $tarball" >&2
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exit 1
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fi
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store_path2=$(nix store prefetch-file --json --unpack "file://$tarball" | jq -r .storePath)
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diff_output=$(diff -r "$store_path2" "$tarroot")
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if [ -n "$diff_output" ]; then
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echo "prefetched tarball differs from original: $store_path2 vs $tarroot" >&2
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echo "$diff_output"
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exit 1
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fi
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}
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test_tarball '' cat
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test_tarball .xz xz
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test_tarball .gz gzip
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# Test hard links.
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# All entries in tree.tar.gz refer to the same file, and all have the same inode when unpacked by GNU tar.
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# We don't preserve the hard links, because that's an optimization we think is not worth the complexity,
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# so we only make sure that the contents are copied correctly.
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path="$(nix flake prefetch --json "tarball+file://$(pwd)/tree.tar.gz" | jq -r .storePath)"
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[[ $(cat "$path/a/b/foo") = bar ]]
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[[ $(cat "$path/a/b/xyzzy") = bar ]]
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[[ $(cat "$path/a/yyy") = bar ]]
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[[ $(cat "$path/a/zzz") = bar ]]
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[[ $(cat "$path/c/aap") = bar ]]
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[[ $(cat "$path/fnord") = bar ]]
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# Test a tarball that has multiple top-level directories.
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rm -rf "$TEST_ROOT/tar_root"
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mkdir -p "$TEST_ROOT/tar_root" "$TEST_ROOT/tar_root/foo" "$TEST_ROOT/tar_root/bar"
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tar cvf "$TEST_ROOT/tar.tar" -C "$TEST_ROOT/tar_root" .
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path="$(nix flake prefetch --json "tarball+file://$TEST_ROOT/tar.tar" | jq -r .storePath)"
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[[ -d "$path/foo" ]]
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[[ -d "$path/bar" ]]
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# Test a tarball that has a single regular file.
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rm -rf "$TEST_ROOT/tar_root"
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mkdir -p "$TEST_ROOT/tar_root"
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echo bar > "$TEST_ROOT/tar_root/foo"
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chmod +x "$TEST_ROOT/tar_root/foo"
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tar cvf "$TEST_ROOT/tar.tar" -C "$TEST_ROOT/tar_root" .
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path="$(nix flake prefetch --refresh --json "tarball+file://$TEST_ROOT/tar.tar" | jq -r .storePath)"
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[[ $(cat "$path/foo") = bar ]]
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# Test a tarball with non-contiguous directory entries.
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rm -rf "$TEST_ROOT/tar_root"
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mkdir -p "$TEST_ROOT/tar_root/a/b"
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echo foo > "$TEST_ROOT/tar_root/a/b/foo"
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echo bla > "$TEST_ROOT/tar_root/bla"
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tar cvf "$TEST_ROOT/tar.tar" -C "$TEST_ROOT/tar_root" .
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echo abc > "$TEST_ROOT/tar_root/bla"
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echo xyzzy > "$TEST_ROOT/tar_root/a/b/xyzzy"
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tar rvf "$TEST_ROOT/tar.tar" -C "$TEST_ROOT/tar_root" ./a/b/xyzzy ./bla
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path="$(nix flake prefetch --refresh --json "tarball+file://$TEST_ROOT/tar.tar" | jq -r .storePath)"
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[[ $(cat "$path/a/b/xyzzy") = xyzzy ]]
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[[ $(cat "$path/a/b/foo") = foo ]]
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[[ $(cat "$path/bla") = abc ]]
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