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

use alpm::{Alpm, SigLevel, Usage};

/// Re-export of pacmanconf.
pub mod config {
    pub use pacmanconf::*;
}

use pacmanconf::Config;

/// Initiates and configures Alpm using a pacman config.
///
/// ```no_run
/// use pacmanconf::Config;
/// use alpm_utils::alpm_with_conf;
///
/// # fn main() {
/// let conf = Config::new().unwrap();
/// let alpm = alpm_with_conf(&conf).unwrap();
/// # }
/// ```
pub fn alpm_with_conf(conf: &Config) -> alpm::Result<Alpm> {
    let mut alpm = Alpm::new(&*conf.root_dir, &*conf.db_path)?;
    configure_alpm(&mut alpm, conf)?;
    Ok(alpm)
}

/// Configures an exsting Alpm handle  using a pacman config.
///
/// You probably just want to use alpm_with_conf unless you need to do something before the
/// repos are registered such as setting the db ext.
///
/// ```no_run
/// use pacmanconf::Config;
/// use alpm_utils::configure_alpm;
/// use alpm::Alpm;
///
/// # fn main() {
/// let conf = Config::new().unwrap();
/// let mut alpm = Alpm::new(&*conf.root_dir, &*conf.db_path).unwrap();
/// let alpm = configure_alpm(&mut alpm, &conf).unwrap();
/// # }
/// ```
pub fn configure_alpm(alpm: &mut Alpm, conf: &Config) -> alpm::Result<()> {
    alpm.set_cachedirs(conf.cache_dir.iter())?;
    alpm.set_hookdirs(conf.hook_dir.iter())?;
    alpm.set_gpgdir(&*conf.gpg_dir)?;
    alpm.set_logfile(&*conf.log_file)?;
    alpm.set_ignorepkgs(conf.ignore_pkg.iter())?;
    alpm.set_ignorepkgs(conf.ignore_pkg.iter())?;
    alpm.set_architectures(conf.architecture.iter())?;
    alpm.set_noupgrades(conf.no_upgrade.iter())?;
    alpm.set_noextracts(conf.no_extract.iter())?;
    alpm.set_default_siglevel(parse_sig_level(&conf.sig_level))?;
    alpm.set_local_file_siglevel(parse_sig_level(&conf.local_file_sig_level))?;
    alpm.set_remote_file_siglevel(parse_sig_level(&conf.remote_file_sig_level))?;
    alpm.set_use_syslog(conf.use_syslog);
    alpm.set_check_space(conf.check_space);
    alpm.set_disable_dl_timeout(conf.disable_download_timeout);
    alpm.set_parallel_downloads(conf.parallel_downloads as u32);
    alpm.set_disable_sandbox(conf.disable_sandbox);
    alpm.set_sandbox_user(conf.download_user.clone())?;

    for repo in &conf.repos {
        register_db(alpm, repo)?;
    }

    Ok(())
}

fn parse_sig_level(levels: &[String]) -> SigLevel {
    let mut sig = SigLevel::NONE;

    for level in levels {
        match level.as_str() {
            "PackageNever" => sig.remove(SigLevel::PACKAGE),
            "PackageOptional" => sig.insert(SigLevel::PACKAGE | SigLevel::PACKAGE_OPTIONAL),
            "PackageRequired" => {
                sig.insert(SigLevel::PACKAGE);
                sig.remove(SigLevel::PACKAGE_OPTIONAL);
            }
            "PackageTrustOnly" => {
                sig.remove(SigLevel::PACKAGE_MARGINAL_OK | SigLevel::PACKAGE_UNKNOWN_OK)
            }
            "PackageTrustAll" => {
                sig.insert(SigLevel::PACKAGE_MARGINAL_OK | SigLevel::PACKAGE_UNKNOWN_OK)
            }
            "DatabaseNever" => sig.remove(SigLevel::DATABASE),
            "DatabaseOptional" => sig.insert(SigLevel::DATABASE | SigLevel::DATABASE_OPTIONAL),
            "DatabaseRequired" => {
                sig.insert(SigLevel::DATABASE);
                sig.remove(SigLevel::DATABASE_OPTIONAL);
            }
            "DatabaseTrustOnly" => {
                sig.remove(SigLevel::DATABASE_MARGINAL_OK | SigLevel::DATABASE_UNKNOWN_OK)
            }
            "DatabaseTrustAll" => {
                sig.insert(SigLevel::DATABASE_MARGINAL_OK | SigLevel::DATABASE_UNKNOWN_OK)
            }
            _ => {}
        }
    }

    sig
}

fn register_db(alpm: &mut alpm::Alpm, repo: &pacmanconf::Repository) -> alpm::Result<()> {
    let sig = if repo.sig_level.is_empty() {
        SigLevel::USE_DEFAULT
    } else {
        parse_sig_level(&repo.sig_level)
    };

    let db = alpm.register_syncdb_mut(&*repo.name, sig)?;
    db.set_servers(repo.servers.iter())?;

    let mut usage = Usage::NONE;

    for v in &repo.usage {
        match v.as_str() {
            "Sync" => usage |= Usage::SYNC,
            "Search" => usage |= Usage::SEARCH,
            "Install" => usage |= Usage::INSTALL,
            "Upgrade" => usage |= Usage::UPGRADE,
            _ => {}
        }

        if usage == Usage::NONE {
            usage = Usage::ALL
        }
    }

    db.set_usage(usage)?;
    Ok(())
}