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
|
use crate::{derivation::Derivation, write::DOT_FILE_EXT};
use anyhow::bail;
use tvix_store::store_path::StorePath;
impl Derivation {
/// validate ensures a Derivation struct is properly populated,
/// and returns an error if not.
/// TODO(flokli): make this proper errors
pub fn validate(&self) -> anyhow::Result<()> {
// Ensure the number of outputs is > 1
if self.outputs.is_empty() {
bail!("0 outputs");
}
// Validate all outputs
for (output_name, output) in &self.outputs {
if output_name.is_empty() {
bail!("output_name from outputs may not be empty")
}
if output.is_fixed() {
if self.outputs.len() != 1 {
bail!("encountered fixed-output, but there's more than 1 output in total");
}
if output_name != "out" {
bail!("the fixed-output output name must be called 'out'");
}
break;
}
output.validate()?;
}
// Validate all input_derivations
for (input_derivation_path, output_names) in &self.input_derivations {
// Validate input_derivation_path
StorePath::from_absolute_path(input_derivation_path)?;
if !input_derivation_path.ends_with(DOT_FILE_EXT) {
bail!(
"derivation {} does not end with .drv",
input_derivation_path
);
}
if output_names.is_empty() {
bail!(
"output_names list for {} may not be empty",
input_derivation_path
);
}
for output_name in output_names.iter() {
if output_name.is_empty() {
bail!(
"output name entry for {} may not be empty",
input_derivation_path
)
}
}
}
// Validate all input_sources
for (i, input_source) in self.input_sources.iter().enumerate() {
StorePath::from_absolute_path(input_source)?;
if i > 0 && self.input_sources[i - 1] >= *input_source {
bail!(
"invalid input source order: {} < {}",
input_source,
self.input_sources[i - 1],
);
}
}
// validate platform
if self.system.is_empty() {
bail!("required attribute 'platform' missing");
}
// validate builder
if self.builder.is_empty() {
bail!("required attribute 'builder' missing");
}
// validate env, none of the keys may be empty.
// We skip the `name` validation seen in go-nix.
for k in self.environment.keys() {
if k.is_empty() {
bail!("found empty environment variable key");
}
}
Ok(())
}
}
|
