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use octocrab::models::{InstallationRepositories, InstallationToken};
use octocrab::params::apps::CreateInstallationAccessToken;
use octocrab::Octocrab;
use url::Url;
#[tokio::main]
async fn main() -> octocrab::Result<()> {
let app_id = read_env_var("GITHUB_APP_ID");
let app_private_key = read_env_var("GITHUB_APP_PRIVATE_KEY");
let key = jsonwebtoken::EncodingKey::from_rsa_pem(app_private_key.as_bytes()).unwrap();
let token = octocrab::auth::create_jwt(app_id.parse::<u64>().unwrap().into(), &key).unwrap();
let octocrab = Octocrab::builder().personal_token(token).build()?;
let installations = octocrab
.apps()
.installations()
.send()
.await
.unwrap()
.take_items();
let mut create_access_token = CreateInstallationAccessToken::default();
create_access_token.repositories = vec!["octocrab".to_string()];
// By design, tokens are not forwarded to urls that contain an authority. This means we need to
// extract the path from the url and use it to make the request.
let access_token_url =
Url::parse(installations[0].access_tokens_url.as_ref().unwrap()).unwrap();
let access: InstallationToken = octocrab
.post(access_token_url.path(), Some(&create_access_token))
.await
.unwrap();
let octocrab = octocrab::OctocrabBuilder::new()
.personal_token(access.token)
.build()
.unwrap();
let installed_repos: InstallationRepositories = octocrab
.get("/installation/repositories", None::<&()>)
.await
.unwrap();
let _repos = installed_repos.repositories;
Ok(())
}
fn read_env_var(var_name: &str) -> String {
let err = format!("Missing environment variable: {var_name}");
std::env::var(var_name).expect(&err)
}
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