1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
#!/usr/bin/env bash
source common.sh
TODO_NixOS
clearStore
cd "$TEST_ROOT"
test_fetch_file () {
echo foo > test_input
input_hash="$(nix hash path test_input)"
nix eval --impure --file - <<EOF
let
tree = builtins.fetchTree { type = "file"; url = "file://$PWD/test_input"; };
in
assert (tree.narHash == "$input_hash");
assert builtins.readFile tree == "foo\n";
tree
EOF
}
# Make sure that `http(s)` and `file` flake inputs are properly extracted when
# they should be, and treated as opaque files when they should be
test_file_flake_input () {
rm -fr "$TEST_ROOT/testFlake";
mkdir "$TEST_ROOT/testFlake";
pushd testFlake
mkdir inputs
echo foo > inputs/test_input_file
echo '{ outputs = { self }: { }; }' > inputs/flake.nix
tar cfa test_input.tar.gz inputs
cp test_input.tar.gz test_input_no_ext
input_tarball_hash="$(nix hash path test_input.tar.gz)"
input_directory_hash="$(nix hash path inputs)"
cat <<EOF > flake.nix
{
inputs.no_ext_default_no_unpack = {
url = "file://$PWD/test_input_no_ext";
flake = false;
};
inputs.no_ext_explicit_unpack = {
url = "tarball+file://$PWD/test_input_no_ext";
flake = false;
};
inputs.tarball_default_unpack = {
url = "file://$PWD/test_input.tar.gz";
flake = false;
};
inputs.tarball_explicit_no_unpack = {
url = "file+file://$PWD/test_input.tar.gz";
flake = false;
};
inputs.flake_no_ext = {
url = "file://$PWD/test_input_no_ext";
};
outputs = { ... }: {};
}
EOF
nix flake update
nix eval --file - <<EOF
with (builtins.fromJSON (builtins.readFile ./flake.lock));
# Non-flake inputs whose extension doesn’t match a known archive format should
# not be unpacked by default
assert (nodes.no_ext_default_no_unpack.locked.type == "file");
assert (nodes.no_ext_default_no_unpack.locked.unpack or false == false);
assert (nodes.no_ext_default_no_unpack.locked.narHash == "$input_tarball_hash");
# For backwards compatibility, flake inputs that correspond to the
# old 'tarball' fetcher should still have their type set to 'tarball'
assert (nodes.tarball_default_unpack.locked.type == "tarball");
# Unless explicitely specified, the 'unpack' parameter shouldn’t appear here
# because that would break older Nix versions
assert (!nodes.tarball_default_unpack.locked ? unpack);
assert (nodes.tarball_default_unpack.locked.narHash == "$input_directory_hash");
# Explicitely passing the unpack parameter should enforce the desired behavior
assert (nodes.no_ext_explicit_unpack.locked.narHash == nodes.tarball_default_unpack.locked.narHash);
assert (nodes.tarball_explicit_no_unpack.locked.narHash == nodes.no_ext_default_no_unpack.locked.narHash);
# Flake inputs should always be tarballs
assert (nodes.flake_no_ext.locked.type == "tarball");
true
EOF
# Test tarball URLs on the command line.
[[ $(nix flake metadata --json "file://$PWD/test_input_no_ext" | jq -r .resolved.type) = tarball ]]
popd
[[ -z "${NIX_DAEMON_PACKAGE-}" ]] && return 0
# Ensure that a lockfile generated by the current Nix for tarball inputs
# can still be read by an older Nix
cat <<EOF > flake.nix
{
inputs.tarball = {
url = "file://$PWD/test_input.tar.gz";
flake = false;
};
outputs = { self, tarball }: {
foo = builtins.readFile "\${tarball}/test_input_file";
};
}
nix flake update
clearStore
"$NIX_DAEMON_PACKAGE/bin/nix" eval .#foo
EOF
}
test_fetch_file
test_file_flake_input
|
