69 lines
2.1 KiB
Rust
69 lines
2.1 KiB
Rust
// Copyright 2015-2017 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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//! Types used in the public API
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use std::fmt;
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use semver::{Version};
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use bigint::hash::H160;
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use version::raw_package_info;
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use types::ReleaseTrack;
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/// Version information of a particular release.
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#[derive(Debug, Clone, PartialEq)]
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pub struct VersionInfo {
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/// The track on which it was released.
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pub track: ReleaseTrack,
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/// The version.
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pub version: Version,
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/// The (SHA1?) 160-bit hash of this build's code base.
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pub hash: H160,
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}
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impl fmt::Display for VersionInfo {
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fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
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write!(f, "{}.{}.{}-{}-{}", self.version.major, self.version.minor, self.version.patch, self.track, self.hash)
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}
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}
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impl VersionInfo {
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/// Get information for this (currently running) binary.
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pub fn this() -> Self {
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let raw = raw_package_info();
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VersionInfo {
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track: raw.0.into(),
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version: { let mut v = Version::parse(raw.1).expect("Environment variables are known to be valid; qed"); v.build = vec![]; v.pre = vec![]; v },
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hash: raw.2.parse::<H160>().unwrap_or_else(|_| H160::zero()),
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}
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}
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/// Compose the information from the provided raw fields.
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pub fn from_raw(semver: u32, track: u8, hash: H160) -> Self {
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let t = track.into();
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VersionInfo {
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version: Version {
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major: (semver >> 16) as u64,
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minor: ((semver >> 8) & 0xff) as u64,
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patch: (semver & 0xff) as u64,
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build: vec![],
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pre: vec![],
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},
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track: t,
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hash: hash,
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}
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}
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}
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