mirror of
https://github.com/storytold/craft-libs.git
synced 2026-11-14 06:22:24 +00:00
Dylan M. Taylor
fe61243ebf
* feat(update): add craft-update crate for release checking, install, and self-updating * fix(update): provide non-windows stub for finish * fix(update): address CodeRabbit review feedback on craft-update * feat(dialog,self_update): enhance prompt styling, support standalone self-updates * fix(update): make startup prompt modal with Escape, skip non-file tar entries
109 lines
4.1 KiB
Rust
109 lines
4.1 KiB
Rust
//! Linux distributions: reading `os-release` and choosing the package formats that suit them.
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//!
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//! The distro decides the system package format, not which tools happen to be on `PATH`: Fedora
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//! can have `apt-get` and `dpkg` installed (for building Debian images), and an `.rpm` system
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//! must never be handed to apt.
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use crate::platform::PackageKind;
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/// The parts of `/etc/os-release` that say which distro family this is.
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#[derive(Clone, Debug, Default, PartialEq, Eq)]
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pub struct OsRelease {
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/// `ID`, lower-cased (`fedora`, `ubuntu`, `opensuse-tumbleweed`, …). Empty when missing.
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pub id: String,
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/// `ID_LIKE`, lower-cased and split on spaces (`["rhel", "centos", "fedora"]`).
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pub id_like: Vec<String>,
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}
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/// Reads `os-release` text (`KEY=value` lines, values optionally quoted).
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pub fn parse_os_release(text: &str) -> OsRelease {
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let mut out = OsRelease::default();
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for line in text.lines() {
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let line = line.trim();
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if line.starts_with('#') {
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continue;
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}
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let Some((key, value)) = line.split_once('=') else { continue };
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let value = unquote(value.trim()).to_ascii_lowercase();
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match key.trim() {
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"ID" => out.id = value,
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"ID_LIKE" => out.id_like = value.split_whitespace().map(str::to_string).collect(),
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_ => {}
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}
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}
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out
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}
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fn unquote(v: &str) -> &str {
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for q in ['"', '\''] {
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if let Some(inner) = v.strip_prefix(q).and_then(|v| v.strip_suffix(q)) {
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return inner;
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}
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}
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v
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}
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/// The distro's own package format: `.deb` for the Debian family, `.rpm` for the Fedora, Red Hat
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/// and SUSE families, `.pkg.tar.zst` for the Arch Linux family, `None` for anything else
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/// (unknown distros), which gets AppImages.
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pub fn native_package(os: &OsRelease) -> Option<PackageKind> {
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std::iter::once(&os.id).chain(&os.id_like).find_map(|id| family(id))
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}
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fn family(id: &str) -> Option<PackageKind> {
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match id {
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"debian" | "ubuntu" => Some(PackageKind::Deb),
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"fedora" | "rhel" | "centos" | "suse" | "sles" => Some(PackageKind::Rpm),
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_ if id.starts_with("opensuse") => Some(PackageKind::Rpm),
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"arch" | "manjaro" | "endeavouros" | "garuda" | "cachyos" | "artix" => Some(PackageKind::ArchPkg),
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_ => None,
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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const FEDORA: &str = r#"NAME="Fedora Linux"
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VERSION="40 (Workstation Edition)"
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ID=fedora
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VERSION_ID=40
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PRETTY_NAME="Fedora Linux 40 (Workstation Edition)"
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"#;
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const UBUNTU: &str = r#"PRETTY_NAME="Ubuntu 24.04.1 LTS"
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NAME="Ubuntu"
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VERSION_ID="24.04"
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ID=ubuntu
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ID_LIKE=debian
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"#;
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const MINT: &str = "NAME=\"Linux Mint\"\nID=linuxmint\nID_LIKE=\"ubuntu debian\"\n";
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const ARCH: &str = "NAME=\"Arch Linux\"\nPRETTY_NAME=\"Arch Linux\"\nID=arch\nBUILD_ID=rolling\n";
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const TUMBLEWEED: &str = "NAME=\"openSUSE Tumbleweed\"\n# a comment\nID=\"opensuse-tumbleweed\"\nID_LIKE=\"opensuse suse\"\n";
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const ROCKY: &str = "NAME=\"Rocky Linux\"\nID=\"rocky\"\nID_LIKE=\"rhel centos fedora\"\n";
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const UNKNOWN: &str = "NAME=\"Some OS\"\nID=someos\n";
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fn native(text: &str) -> Option<PackageKind> {
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native_package(&parse_os_release(text))
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}
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#[test]
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fn os_release_is_parsed() {
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assert_eq!(parse_os_release(FEDORA), OsRelease { id: "fedora".into(), id_like: vec![] });
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assert_eq!(parse_os_release(MINT), OsRelease { id: "linuxmint".into(), id_like: vec!["ubuntu".into(), "debian".into()] });
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assert_eq!(parse_os_release("ID='opensuse-leap'\n").id, "opensuse-leap");
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assert_eq!(parse_os_release(""), OsRelease::default());
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}
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#[test]
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fn the_distro_family_picks_the_package_format() {
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assert_eq!(native(FEDORA), Some(PackageKind::Rpm));
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assert_eq!(native(ROCKY), Some(PackageKind::Rpm));
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assert_eq!(native(TUMBLEWEED), Some(PackageKind::Rpm));
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assert_eq!(native(UBUNTU), Some(PackageKind::Deb));
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assert_eq!(native(MINT), Some(PackageKind::Deb));
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assert_eq!(native(ARCH), Some(PackageKind::ArchPkg));
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assert_eq!(native(UNKNOWN), None);
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assert_eq!(native(""), None);
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}
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}
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