tgirl.cloud
a linter for your flake.lock file
feat: init
isabelroses.com
+759
+1
.gitignore
+1
.gitignore
···
1
+
target
+135
Cargo.lock
+135
Cargo.lock
···
1
+
# This file is automatically @generated by Cargo.
2
+
# It is not intended for manual editing.
3
+
version = 4
4
+
5
+
[[package]]
6
+
name = "argh"
7
+
version = "0.1.13"
8
+
source = "registry+https://github.com/rust-lang/crates.io-index"
9
+
checksum = "34ff18325c8a36b82f992e533ece1ec9f9a9db446bd1c14d4f936bac88fcd240"
10
+
dependencies = [
11
+
"argh_derive",
12
+
"argh_shared",
13
+
"rust-fuzzy-search",
14
+
]
15
+
16
+
[[package]]
17
+
name = "argh_derive"
18
+
version = "0.1.13"
19
+
source = "registry+https://github.com/rust-lang/crates.io-index"
20
+
checksum = "adb7b2b83a50d329d5d8ccc620f5c7064028828538bdf5646acd60dc1f767803"
21
+
dependencies = [
22
+
"argh_shared",
23
+
"proc-macro2",
24
+
"quote",
25
+
"syn",
26
+
]
27
+
28
+
[[package]]
29
+
name = "argh_shared"
30
+
version = "0.1.13"
31
+
source = "registry+https://github.com/rust-lang/crates.io-index"
32
+
checksum = "a464143cc82dedcdc3928737445362466b7674b5db4e2eb8e869846d6d84f4f6"
33
+
dependencies = [
34
+
"serde",
35
+
]
36
+
37
+
[[package]]
38
+
name = "itoa"
39
+
version = "1.0.15"
40
+
source = "registry+https://github.com/rust-lang/crates.io-index"
41
+
checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
42
+
43
+
[[package]]
44
+
name = "locker"
45
+
version = "0.0.1"
46
+
dependencies = [
47
+
"argh",
48
+
"serde",
49
+
"serde_json",
50
+
]
51
+
52
+
[[package]]
53
+
name = "memchr"
54
+
version = "2.7.5"
55
+
source = "registry+https://github.com/rust-lang/crates.io-index"
56
+
checksum = "32a282da65faaf38286cf3be983213fcf1d2e2a58700e808f83f4ea9a4804bc0"
57
+
58
+
[[package]]
59
+
name = "proc-macro2"
60
+
version = "1.0.95"
61
+
source = "registry+https://github.com/rust-lang/crates.io-index"
62
+
checksum = "02b3e5e68a3a1a02aad3ec490a98007cbc13c37cbe84a3cd7b8e406d76e7f778"
63
+
dependencies = [
64
+
"unicode-ident",
65
+
]
66
+
67
+
[[package]]
68
+
name = "quote"
69
+
version = "1.0.40"
70
+
source = "registry+https://github.com/rust-lang/crates.io-index"
71
+
checksum = "1885c039570dc00dcb4ff087a89e185fd56bae234ddc7f056a945bf36467248d"
72
+
dependencies = [
73
+
"proc-macro2",
74
+
]
75
+
76
+
[[package]]
77
+
name = "rust-fuzzy-search"
78
+
version = "0.1.1"
79
+
source = "registry+https://github.com/rust-lang/crates.io-index"
80
+
checksum = "a157657054ffe556d8858504af8a672a054a6e0bd9e8ee531059100c0fa11bb2"
81
+
82
+
[[package]]
83
+
name = "ryu"
84
+
version = "1.0.20"
85
+
source = "registry+https://github.com/rust-lang/crates.io-index"
86
+
checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
87
+
88
+
[[package]]
89
+
name = "serde"
90
+
version = "1.0.219"
91
+
source = "registry+https://github.com/rust-lang/crates.io-index"
92
+
checksum = "5f0e2c6ed6606019b4e29e69dbaba95b11854410e5347d525002456dbbb786b6"
93
+
dependencies = [
94
+
"serde_derive",
95
+
]
96
+
97
+
[[package]]
98
+
name = "serde_derive"
99
+
version = "1.0.219"
100
+
source = "registry+https://github.com/rust-lang/crates.io-index"
101
+
checksum = "5b0276cf7f2c73365f7157c8123c21cd9a50fbbd844757af28ca1f5925fc2a00"
102
+
dependencies = [
103
+
"proc-macro2",
104
+
"quote",
105
+
"syn",
106
+
]
107
+
108
+
[[package]]
109
+
name = "serde_json"
110
+
version = "1.0.141"
111
+
source = "registry+https://github.com/rust-lang/crates.io-index"
112
+
checksum = "30b9eff21ebe718216c6ec64e1d9ac57087aad11efc64e32002bce4a0d4c03d3"
113
+
dependencies = [
114
+
"itoa",
115
+
"memchr",
116
+
"ryu",
117
+
"serde",
118
+
]
119
+
120
+
[[package]]
121
+
name = "syn"
122
+
version = "2.0.104"
123
+
source = "registry+https://github.com/rust-lang/crates.io-index"
124
+
checksum = "17b6f705963418cdb9927482fa304bc562ece2fdd4f616084c50b7023b435a40"
125
+
dependencies = [
126
+
"proc-macro2",
127
+
"quote",
128
+
"unicode-ident",
129
+
]
130
+
131
+
[[package]]
132
+
name = "unicode-ident"
133
+
version = "1.0.18"
134
+
source = "registry+https://github.com/rust-lang/crates.io-index"
135
+
checksum = "5a5f39404a5da50712a4c1eecf25e90dd62b613502b7e925fd4e4d19b5c96512"
+13
Cargo.toml
+13
Cargo.toml
···
1
+
[package]
2
+
name = "locker"
3
+
version = "0.0.1"
4
+
license = "EUPL-1.2"
5
+
description = "linting for your flake.lock"
6
+
homepage = "https://github.com/isabelroses/locker"
7
+
authors = ["isabel roses"]
8
+
edition = "2024"
9
+
10
+
[dependencies]
11
+
argh = "0.1.13"
12
+
serde = { version = "1.0.219", features = ["derive"] }
13
+
serde_json = "1.0.141"
+287
LICENSE
+287
LICENSE
···
1
+
EUROPEAN UNION PUBLIC LICENCE v. 1.2
2
+
EUPL © the European Union 2007, 2016
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+
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+
This European Union Public Licence (the ‘EUPL’) applies to the Work (as defined
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below) which is provided under the terms of this Licence. Any use of the Work,
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+
other than as authorised under this Licence is prohibited (to the extent such
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+
use is covered by a right of the copyright holder of the Work).
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+
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+
The Work is provided under the terms of this Licence when the Licensor (as
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defined below) has placed the following notice immediately following the
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+
copyright notice for the Work:
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Licensed under the EUPL
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or has expressed by any other means his willingness to license under the EUPL.
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In this Licence, the following terms have the following meaning:
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done under the terms of this Licence or of a later version of this Licence
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unless the Original Work is expressly distributed only under this version of the
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Licence — for example by communicating ‘EUPL v. 1.2 only’. The Licensee
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240
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248
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- any litigation arising between other parties and resulting from the
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interpretation of this License, will be subject to the exclusive jurisdiction
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15. Applicable Law
255
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Without prejudice to specific agreement between parties,
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- this Licence shall be governed by the law of the European Union Member State
259
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where the Licensor has his seat, resides or has his registered office,
260
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261
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- this licence shall be governed by Belgian law if the Licensor has no seat,
262
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residence or registered office inside a European Union Member State.
263
+
264
+
Appendix
265
+
266
+
‘Compatible Licences’ according to Article 5 EUPL are:
267
+
268
+
- GNU General Public License (GPL) v. 2, v. 3
269
+
- GNU Affero General Public License (AGPL) v. 3
270
+
- Open Software License (OSL) v. 2.1, v. 3.0
271
+
- Eclipse Public License (EPL) v. 1.0
272
+
- CeCILL v. 2.0, v. 2.1
273
+
- Mozilla Public Licence (MPL) v. 2
274
+
- GNU Lesser General Public Licence (LGPL) v. 2.1, v. 3
275
+
- Creative Commons Attribution-ShareAlike v. 3.0 Unported (CC BY-SA 3.0) for
276
+
works other than software
277
+
- European Union Public Licence (EUPL) v. 1.1, v. 1.2
278
+
- Québec Free and Open-Source Licence — Reciprocity (LiLiQ-R) or Strong
279
+
Reciprocity (LiLiQ-R+).
280
+
281
+
The European Commission may update this Appendix to later versions of the above
282
+
licences without producing a new version of the EUPL, as long as they provide
283
+
the rights granted in Article 2 of this Licence and protect the covered Source
284
+
Code from exclusive appropriation.
285
+
286
+
All other changes or additions to this Appendix require the production of a new
287
+
EUPL version.
+5
README.md
+5
README.md
+28
default.nix
+28
default.nix
···
1
+
{ lib, rustPlatform }:
2
+
let
3
+
toml = (lib.importTOML ./Cargo.toml).package;
4
+
in
5
+
rustPlatform.buildRustPackage {
6
+
pname = "locker-rust";
7
+
inherit (toml) version;
8
+
9
+
src = lib.fileset.toSource {
10
+
root = ./.;
11
+
fileset = lib.fileset.intersection (lib.fileset.fromSource (lib.sources.cleanSource ./.)) (
12
+
lib.fileset.unions [
13
+
./Cargo.toml
14
+
./Cargo.lock
15
+
./src
16
+
]
17
+
);
18
+
};
19
+
20
+
cargoLock.lockFile = ./Cargo.lock;
21
+
22
+
meta = {
23
+
inherit (toml) homepage description;
24
+
license = lib.licenses.eupl12;
25
+
maintainers = with lib.maintainers; [ isabelroses ];
26
+
mainProgram = "locker";
27
+
};
28
+
}
+27
flake.lock
+27
flake.lock
···
1
+
{
2
+
"nodes": {
3
+
"nixpkgs": {
4
+
"locked": {
5
+
"lastModified": 1753432016,
6
+
"narHash": "sha256-cnL5WWn/xkZoyH/03NNUS7QgW5vI7D1i74g48qplCvg=",
7
+
"owner": "nixos",
8
+
"repo": "nixpkgs",
9
+
"rev": "6027c30c8e9810896b92429f0092f624f7b1aace",
10
+
"type": "github"
11
+
},
12
+
"original": {
13
+
"owner": "nixos",
14
+
"ref": "nixpkgs-unstable",
15
+
"repo": "nixpkgs",
16
+
"type": "github"
17
+
}
18
+
},
19
+
"root": {
20
+
"inputs": {
21
+
"nixpkgs": "nixpkgs"
22
+
}
23
+
}
24
+
},
25
+
"root": "root",
26
+
"version": 7
27
+
}
+27
flake.nix
+27
flake.nix
···
1
+
{
2
+
inputs = {
3
+
nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
4
+
};
5
+
6
+
outputs =
7
+
{ self, nixpkgs }:
8
+
let
9
+
forAllSystems =
10
+
function:
11
+
nixpkgs.lib.genAttrs nixpkgs.lib.systems.flakeExposed (
12
+
system: function nixpkgs.legacyPackages.${system}
13
+
);
14
+
in
15
+
{
16
+
packages = forAllSystems (pkgs: {
17
+
locker = pkgs.callPackage ./default.nix { };
18
+
default = self.packages.${pkgs.stdenv.hostPlatform.system}.locker;
19
+
});
20
+
21
+
devShells = forAllSystems (pkgs: {
22
+
default = pkgs.callPackage ./shell.nix { };
23
+
});
24
+
25
+
overlays.default = final: _: { locker = final.callPackage ./default.nix { }; };
26
+
};
27
+
}
+26
shell.nix
+26
shell.nix
···
1
+
{
2
+
mkShell,
3
+
callPackage,
4
+
rustPlatform,
5
+
6
+
# extra tooling
7
+
clippy,
8
+
rustfmt,
9
+
rust-analyzer,
10
+
}:
11
+
let
12
+
defaultPackage = callPackage ./default.nix { };
13
+
in
14
+
mkShell {
15
+
inputsFrom = [ defaultPackage ];
16
+
17
+
env = {
18
+
RUST_SRC_PATH = rustPlatform.rustLibSrc;
19
+
};
20
+
21
+
packages = [
22
+
clippy
23
+
rustfmt
24
+
rust-analyzer
25
+
];
26
+
}
+207
src/main.rs
+207
src/main.rs
···
1
+
use argh::FromArgs;
2
+
use serde::Deserialize;
3
+
use std::error::Error;
4
+
use std::fs;
5
+
use std::{collections::HashMap, path::PathBuf};
6
+
7
+
/// locker - a tool to lint your flake.lock file
8
+
#[derive(FromArgs)]
9
+
#[argh(help_triggers("-h", "--help"))]
10
+
struct Args {
11
+
#[argh(positional, default = "PathBuf::from(\"flake.lock\")")]
12
+
flake_lock: PathBuf,
13
+
}
14
+
15
+
#[derive(Deserialize, Debug)]
16
+
struct FlakeLock {
17
+
nodes: HashMap<String, Node>,
18
+
version: usize,
19
+
20
+
#[allow(dead_code)]
21
+
root: String,
22
+
}
23
+
24
+
#[derive(Deserialize, Debug)]
25
+
struct Node {
26
+
locked: Option<Locked>,
27
+
}
28
+
29
+
#[derive(Deserialize, Debug)]
30
+
struct Locked {
31
+
#[serde(rename = "type")]
32
+
node_type: String,
33
+
34
+
// for github, gitlab and sourcehut we have these fields
35
+
owner: Option<String>,
36
+
repo: Option<String>,
37
+
38
+
// for git, hg and tarball we have these fields
39
+
url: Option<String>,
40
+
41
+
// path
42
+
path: Option<String>,
43
+
}
44
+
45
+
fn main() -> Result<(), Box<dyn Error>> {
46
+
let args: Args = argh::from_env();
47
+
let flake_lock_content = fs::read_to_string(&args.flake_lock)?;
48
+
let flake_lock: FlakeLock = serde_json::from_str(&flake_lock_content)?;
49
+
50
+
if flake_lock.version != 7 {
51
+
eprintln!("Unsupported flake.lock version: {}", flake_lock.version);
52
+
std::process::exit(1);
53
+
}
54
+
55
+
let inputs = parse_inputs(flake_lock);
56
+
let duplicates = find_duplicates(inputs);
57
+
58
+
if duplicates.is_empty() {
59
+
println!("No duplicate inputs found.");
60
+
std::process::exit(0);
61
+
}
62
+
63
+
println!("The following flake uris contained duplicate entries in your flake.lock:");
64
+
for (input, dups) in duplicates {
65
+
eprintln!(" '{}': {}", input, dups.join(", "));
66
+
}
67
+
68
+
std::process::exit(1);
69
+
}
70
+
71
+
fn parse_inputs(flake_lock: FlakeLock) -> HashMap<String, String> {
72
+
let mut data = HashMap::new();
73
+
74
+
for (k, v) in flake_lock.nodes {
75
+
if v.locked.is_none() {
76
+
continue;
77
+
}
78
+
79
+
let val = flake_uri(v.locked.unwrap()).ok().unwrap_or_else(|| {
80
+
eprintln!("Failed to parse URI for input '{k}'");
81
+
String::new()
82
+
});
83
+
84
+
data.entry(k).insert_entry(val);
85
+
}
86
+
87
+
data
88
+
}
89
+
90
+
fn find_duplicates(inputs: HashMap<String, String>) -> HashMap<String, Vec<String>> {
91
+
let mut seen: Vec<String> = Vec::new();
92
+
let mut duplicates: HashMap<String, Vec<String>> = HashMap::new();
93
+
94
+
for (input_name, input_uri) in inputs {
95
+
if seen.contains(&input_uri) {
96
+
duplicates.entry(input_uri).or_default().push(input_name);
97
+
} else {
98
+
seen.push(input_uri);
99
+
}
100
+
}
101
+
102
+
duplicates
103
+
}
104
+
105
+
fn flake_uri(lock: Locked) -> Result<String, Box<dyn Error>> {
106
+
match lock.node_type.as_str() {
107
+
"github" | "gitlab" | "sourcehut" => Ok(format!(
108
+
"{}:{}/{}",
109
+
lock.node_type,
110
+
lock.owner.unwrap().to_lowercase(),
111
+
lock.repo.unwrap().to_lowercase()
112
+
)),
113
+
"git" | "hg" | "tarball" => Ok(format!(
114
+
"{}:{}",
115
+
lock.node_type,
116
+
lock.url.unwrap_or_default()
117
+
)),
118
+
"path" => Ok(format!(
119
+
"{}:{}",
120
+
lock.node_type,
121
+
lock.path.unwrap_or_default()
122
+
)),
123
+
_ => Err(format!("Unknown node type: {}", lock.node_type))?,
124
+
}
125
+
}
126
+
127
+
#[cfg(test)]
128
+
mod tests {
129
+
use super::*;
130
+
131
+
const FLAKE_LOCK: &str = r#"
132
+
{
133
+
"nodes": {
134
+
"input1": {
135
+
"locked": {
136
+
"type": "github",
137
+
"owner": "user1",
138
+
"repo": "repo1"
139
+
}
140
+
},
141
+
"input2": {
142
+
"locked": {
143
+
"type": "github",
144
+
"owner": "user2",
145
+
"repo": "repo2"
146
+
}
147
+
},
148
+
"input3": {
149
+
"locked": {
150
+
"type": "github",
151
+
"owner": "user1",
152
+
"repo": "repo1"
153
+
}
154
+
},
155
+
"input4": {
156
+
"locked": {
157
+
"type": "git",
158
+
"url": "https://example.com/repo.git"
159
+
}
160
+
},
161
+
"input5": {
162
+
"locked": {
163
+
"type": "git",
164
+
"url": "https://example.com/repo.git"
165
+
}
166
+
}
167
+
},
168
+
"version": 7,
169
+
"root": "."
170
+
}
171
+
"#;
172
+
173
+
#[test]
174
+
fn test_parse_inputs() {
175
+
let flake_lock: FlakeLock = serde_json::from_str(FLAKE_LOCK).unwrap();
176
+
let inputs = parse_inputs(flake_lock);
177
+
178
+
assert_eq!(inputs.len(), 5);
179
+
assert!(inputs.contains_key("input1"));
180
+
assert!(inputs.contains_key("input2"));
181
+
assert!(inputs.contains_key("input3"));
182
+
assert!(inputs.contains_key("input4"));
183
+
assert!(inputs.contains_key("input5"));
184
+
185
+
assert_eq!(inputs.get("input1").unwrap(), "github:user1/repo1");
186
+
assert_eq!(inputs.get("input2").unwrap(), "github:user2/repo2");
187
+
assert_eq!(inputs.get("input3").unwrap(), "github:user1/repo1");
188
+
assert_eq!(
189
+
inputs.get("input4").unwrap(),
190
+
"git:https://example.com/repo.git"
191
+
);
192
+
assert_eq!(
193
+
inputs.get("input5").unwrap(),
194
+
"git:https://example.com/repo.git"
195
+
);
196
+
}
197
+
198
+
#[test]
199
+
fn test_duplicates() {
200
+
let flake_lock: FlakeLock = serde_json::from_str(FLAKE_LOCK).unwrap();
201
+
202
+
let inputs = parse_inputs(flake_lock);
203
+
let duplicates = find_duplicates(inputs.clone());
204
+
205
+
assert_eq!(duplicates.len(), 2);
206
+
}
207
+
}