repology 0.1.1

Rust client for the Repology API
Documentation 
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
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239

use serde::{Deserialize, Serialize};

/// The version status of a package across repositories.
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
#[non_exhaustive]
pub enum PackageStatus {
    Newest,
    Devel,
    Unique,
    Outdated,
    Legacy,
    Rolling,
    Noscheme,
    Incorrect,
    Untrusted,
    Ignored,
    /// A status not yet known to this library.
    Unknown(String),
}

impl<'de> Deserialize<'de> for PackageStatus {
    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        let s = String::deserialize(deserializer)?;
        Ok(match s.as_str() {
            "newest" => Self::Newest,
            "devel" => Self::Devel,
            "unique" => Self::Unique,
            "outdated" => Self::Outdated,
            "legacy" => Self::Legacy,
            "rolling" => Self::Rolling,
            "noscheme" => Self::Noscheme,
            "incorrect" => Self::Incorrect,
            "untrusted" => Self::Untrusted,
            "ignored" => Self::Ignored,
            _ => Self::Unknown(s),
        })
    }
}

impl Serialize for PackageStatus {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::Serializer,
    {
        let s = match self {
            Self::Newest => "newest",
            Self::Devel => "devel",
            Self::Unique => "unique",
            Self::Outdated => "outdated",
            Self::Legacy => "legacy",
            Self::Rolling => "rolling",
            Self::Noscheme => "noscheme",
            Self::Incorrect => "incorrect",
            Self::Untrusted => "untrusted",
            Self::Ignored => "ignored",
            Self::Unknown(s) => s.as_str(),
        };
        serializer.serialize_str(s)
    }
}

/// A single package entry from a repository, as returned by the Repology API.
///
/// Only `repo` and `version` are guaranteed to be present.
#[derive(Debug, Clone, PartialEq, Eq, Deserialize, Serialize)]
#[non_exhaustive]
pub struct Package {
    /// Repository name (e.g., `"freebsd"`, `"arch"`).
    pub repo: String,

    /// Sanitized/normalized version string.
    pub version: String,

    /// Sub-repository (e.g., `"main"`, `"contrib"`, `"non-free"`).
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub subrepo: Option<String>,

    /// Source package name as used in the repository.
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub srcname: Option<String>,

    /// Binary package name.
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub binname: Option<String>,

    /// List of binary package names. Only populated by the single-project endpoint.
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub binnames: Option<Vec<String>>,

    /// Human-readable package name for display purposes.
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub visiblename: Option<String>,

    /// Original/raw version string from the repository. Can be `null`.
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub origversion: Option<String>,

    /// Package version status relative to other repositories.
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub status: Option<PackageStatus>,

    /// One-line description.
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub summary: Option<String>,

    /// Package categories.
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub categories: Option<Vec<String>>,

    /// Package licenses.
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub licenses: Option<Vec<String>>,

    /// Package maintainers (e.g., email addresses).
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub maintainers: Option<Vec<String>>,

    /// Whether this package version has known vulnerabilities.
    /// Only present in the API response when `true`.
    #[serde(default)]
    pub vulnerable: bool,
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn deserialize_minimal_package() {
        let json = r#"{"repo": "freebsd", "version": "1.0"}"#;
        let pkg: Package = serde_json::from_str(json).unwrap();
        assert_eq!(pkg.repo, "freebsd");
        assert_eq!(pkg.version, "1.0");
        assert!(pkg.status.is_none());
        assert!(pkg.srcname.is_none());
        assert!(!pkg.vulnerable);
    }

    #[test]
    fn deserialize_full_package() {
        let json = r#"{
            "repo": "freebsd",
            "version": "50.1.0",
            "subrepo": "main",
            "srcname": "www/firefox",
            "binname": "firefox",
            "binnames": ["firefox", "firefox-esr"],
            "visiblename": "www/firefox",
            "origversion": "50.1.0_4,1",
            "status": "newest",
            "summary": "Widely used web browser",
            "categories": ["www"],
            "licenses": ["GPLv2+"],
            "maintainers": ["gecko@FreeBSD.org"],
            "vulnerable": true
        }"#;
        let pkg: Package = serde_json::from_str(json).unwrap();
        assert_eq!(pkg.status, Some(PackageStatus::Newest));
        assert_eq!(pkg.categories, Some(vec!["www".to_string()]));
        assert_eq!(
            pkg.binnames,
            Some(vec!["firefox".into(), "firefox-esr".into()])
        );
        assert!(pkg.vulnerable);
    }

    #[test]
    fn deserialize_null_origversion() {
        let json = r#"{"repo": "homebrew", "version": "1.0", "origversion": null}"#;
        let pkg: Package = serde_json::from_str(json).unwrap();
        assert_eq!(pkg.origversion, None);
    }

    #[test]
    fn deserialize_all_known_statuses() {
        for status in [
            "newest",
            "devel",
            "unique",
            "outdated",
            "legacy",
            "rolling",
            "noscheme",
            "incorrect",
            "untrusted",
            "ignored",
        ] {
            let json = format!(r#"{{"repo":"x","version":"1","status":"{}"}}"#, status);
            let pkg: Package = serde_json::from_str(&json).unwrap();
            assert!(
                !matches!(pkg.status, Some(PackageStatus::Unknown(_))),
                "status {status} should not be Unknown"
            );
        }
    }

    #[test]
    fn deserialize_unknown_status() {
        let json = r#"{"repo":"x","version":"1","status":"future_status"}"#;
        let pkg: Package = serde_json::from_str(json).unwrap();
        assert_eq!(
            pkg.status,
            Some(PackageStatus::Unknown("future_status".into()))
        );
    }

    #[test]
    fn status_round_trip() {
        let json = r#"{"repo":"x","version":"1","status":"newest"}"#;
        let pkg: Package = serde_json::from_str(json).unwrap();
        let serialized = serde_json::to_value(&pkg).unwrap();
        assert_eq!(serialized["status"], "newest");
    }

    #[test]
    fn unknown_status_round_trip() {
        let json = r#"{"repo":"x","version":"1","status":"future_thing"}"#;
        let pkg: Package = serde_json::from_str(json).unwrap();
        let serialized = serde_json::to_value(&pkg).unwrap();
        assert_eq!(serialized["status"], "future_thing");
    }

    #[test]
    fn vulnerable_absent_defaults_false() {
        let json = r#"{"repo":"x","version":"1"}"#;
        let pkg: Package = serde_json::from_str(json).unwrap();
        assert!(!pkg.vulnerable);
    }

    #[test]
    fn ignores_unknown_fields() {
        let json = r#"{"repo":"x","version":"1","some_new_field":"value"}"#;
        let pkg: Package = serde_json::from_str(json).unwrap();
        assert_eq!(pkg.repo, "x");
    }
}