112 lines
2.8 KiB
Rust
112 lines
2.8 KiB
Rust
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use anyhow::{Context, Result};
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use serde::{Deserialize, Serialize};
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use std::{
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fs::{self, File},
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path::Path,
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};
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pub type Hash = String;
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pub type FlakeRef = String;
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/// Information about the flake origin
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/// Supports (local/raw) Git, GitHub and Gitlab repos
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#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
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#[serde(tag = "type", rename_all = "lowercase")]
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pub enum Source {
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Github {
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owner: String,
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repo: String,
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description: Option<String>,
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#[serde(rename(deserialize = "hash"))]
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git_ref: Option<Hash>,
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},
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Gitlab {
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owner: String,
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repo: String,
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git_ref: Option<Hash>,
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},
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Git {
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url: String,
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},
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Nixpkgs(Nixpkgs),
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}
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impl Source {
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pub fn to_flake_ref(&self) -> FlakeRef {
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match self {
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Source::Github {
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owner,
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repo,
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git_ref,
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..
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} => format!(
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"github:{}/{}{}",
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owner,
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repo,
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git_ref
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.as_ref()
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.map_or("".to_string(), |f| format!("?ref={}", f))
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),
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Source::Gitlab {
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owner,
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repo,
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git_ref,
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} => format!(
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"gitlab:{}/{}{}",
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owner,
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repo,
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git_ref
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.as_ref()
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.map_or("".to_string(), |f| format!("?ref={}", f))
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),
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Source::Git { url } => url.to_string(),
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Source::Nixpkgs(Nixpkgs { git_ref, .. }) => format!(
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"https://api.github.com/repos/NixOS/nixpkgs/tarball/{}",
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git_ref
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),
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}
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}
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pub fn read_sources_file(path: &Path) -> Result<Vec<Source>> {
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let file = File::open(path).with_context(|| "Failed to open input file")?;
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Ok(serde_json::from_reader(file)?)
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}
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pub async fn nixpkgs(channel: String) -> Result<Nixpkgs> {
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#[derive(Deserialize, Debug)]
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struct ApiResult {
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commit: Commit,
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}
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#[derive(Deserialize, Debug)]
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struct Commit {
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sha: String,
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}
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let git_ref = reqwest::Client::builder()
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.user_agent("curl") // thank you github
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.build()?
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.get(format!(
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"https://api.github.com/repos/nixos/nixpkgs/branches/nixos-{}",
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channel
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))
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.send()
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.await?
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.json::<ApiResult>()
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.await?
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.commit
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.sha;
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let nixpkgs = Nixpkgs { channel, git_ref };
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Ok(nixpkgs)
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}
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}
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#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
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pub struct Nixpkgs {
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pub channel: String,
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pub git_ref: String,
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}
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