feat(notforge): add Gitea API foundation

crates/notforge/src/config.rs

@@ -0,0 +1,176 @@
+use serde::{Deserialize, Deserializer, Serialize};
+use std::path::Path;
+
+use crate::error::NotforgeError;
+
+/// Top-level forge configuration.
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct ForgeConfig {
+    /// Gitea backend configuration.
+    pub gitea: GiteaConfig,
+    /// Repositories managed by this forge configuration.
+    #[serde(default)]
+    pub repositories: Vec<RepoSpec>,
+}
+
+/// Gitea backend configuration.
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct GiteaConfig {
+    /// Base HTTP URL for the Gitea API.
+    pub base_url: String,
+    /// Default owner namespace for repositories.
+    pub owner: String,
+    /// Hostname used in generated SSH clone URLs.
+    pub ssh_host: String,
+    /// SSH port used in generated SSH clone URLs.
+    pub ssh_port: u16,
+    /// Backend mode used to verify or start Gitea.
+    pub mode: GiteaMode,
+    /// Authentication configuration for Gitea API calls.
+    #[serde(default)]
+    pub auth: ForgeAuthConfig,
+}
+
+/// Supported Gitea backend modes.
+#[derive(Debug, Clone, PartialEq, Eq, Serialize)]
+pub enum GiteaMode {
+    /// Run Gitea directly as a local process.
+    LocalProcess(LocalProcessConfig),
+    /// Run Gitea via a local container runtime.
+    LocalContainer(LocalContainerConfig),
+    /// Verify or start Gitea as a systemd service on a VM.
+    VmSystemd(VmSystemdConfig),
+    /// Use an already-running Gitea instance.
+    Existing,
+}
+
+impl<'de> Deserialize<'de> for GiteaMode {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+    where
+        D: Deserializer<'de>,
+    {
+        #[derive(Deserialize)]
+        #[serde(untagged)]
+        enum RawMode {
+            Name(String),
+            Tagged {
+                #[serde(rename = "type")]
+                kind: String,
+                #[serde(default)]
+                config: Option<toml::Value>,
+            },
+        }
+
+        let raw = RawMode::deserialize(deserializer)?;
+        match raw {
+            RawMode::Name(name) if name == "existing" => Ok(Self::Existing),
+            RawMode::Name(name) => Err(serde::de::Error::custom(format!(
+                "unknown gitea mode '{name}'"
+            ))),
+            RawMode::Tagged { kind, config } => match kind.as_str() {
+                "existing" => Ok(Self::Existing),
+                "local-process" => Ok(Self::LocalProcess(
+                    config
+                        .ok_or_else(|| serde::de::Error::custom("local-process requires config"))?
+                        .try_into()
+                        .map_err(serde::de::Error::custom)?,
+                )),
+                "local-container" => Ok(Self::LocalContainer(
+                    config
+                        .ok_or_else(|| serde::de::Error::custom("local-container requires config"))?
+                        .try_into()
+                        .map_err(serde::de::Error::custom)?,
+                )),
+                "vm-systemd" => Ok(Self::VmSystemd(
+                    config
+                        .ok_or_else(|| serde::de::Error::custom("vm-systemd requires config"))?
+                        .try_into()
+                        .map_err(serde::de::Error::custom)?,
+                )),
+                other => Err(serde::de::Error::custom(format!(
+                    "unknown gitea mode '{other}'"
+                ))),
+            },
+        }
+    }
+}
+
+/// Local process runner configuration.
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct LocalProcessConfig {
+    /// Path or command name for the Gitea binary.
+    pub binary: String,
+    /// Working directory for the Gitea process.
+    pub work_dir: String,
+    /// Gitea app.ini path.
+    pub config_path: String,
+}
+
+/// Local container runner configuration.
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct LocalContainerConfig {
+    /// Container runtime executable, such as docker or podman.
+    pub runtime: String,
+    /// Container name to verify or start.
+    pub container_name: String,
+    /// Container image to run when missing.
+    pub image: String,
+    /// Host data directory mounted into the container.
+    pub data_dir: String,
+}
+
+/// Remote VM systemd runner configuration.
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct VmSystemdConfig {
+    /// SSH user for the VM.
+    pub ssh_user: String,
+    /// SSH host for the VM.
+    pub ssh_host: String,
+    /// systemd service name for Gitea.
+    pub service_name: String,
+}
+
+/// Authentication configuration for Gitea API calls.
+#[derive(Debug, Clone, PartialEq, Eq, Default, Serialize, Deserialize)]
+pub struct ForgeAuthConfig {
+    /// Token secret reference, preferred when available.
+    pub token: Option<ForgeSecretRef>,
+    /// Username secret reference for basic auth fallback.
+    pub username: Option<ForgeSecretRef>,
+    /// Password secret reference for basic auth fallback.
+    pub password: Option<ForgeSecretRef>,
+}
+
+/// Secret reference used by notforge.
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(tag = "source", rename_all = "lowercase")]
+pub enum ForgeSecretRef {
+    /// Resolve from an environment variable.
+    Env { key: String },
+    /// Resolve from a 1Password URI.
+    Op { uri: String },
+}
+
+/// Repository specification managed by a forge config.
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct RepoSpec {
+    /// Repository owner namespace.
+    pub owner: String,
+    /// Repository name.
+    pub name: String,
+    /// Whether the repository should be private.
+    pub private: bool,
+    /// Optional repository description.
+    pub description: Option<String>,
+    /// Local git remote name.
+    pub remote_name: String,
+}
+
+/// Load a forge configuration from TOML.
+pub fn load_config(path: &Path) -> Result<ForgeConfig, NotforgeError> {
+    notcore::config::load_toml_file(
+        path,
+        |path, err| NotforgeError::Config(format!("reading {}: {err}", path.display())),
+        |path, err| NotforgeError::Config(format!("parsing {}: {err}", path.display())),
+    )
+}

crates/notforge/src/error.rs

@@ -0,0 +1,36 @@
+use miette::Diagnostic;
+use thiserror::Error;
+
+/// Error type for forge lifecycle, API, git, and secret-resolution failures.
+#[derive(Debug, Diagnostic, Error)]
+pub enum NotforgeError {
+    /// Configuration could not be loaded or parsed.
+    #[error("configuration error: {0}")]
+    #[diagnostic(code(notforge::config))]
+    Config(String),
+
+    /// A required secret could not be resolved.
+    #[error("secret resolution error: {0}")]
+    #[diagnostic(code(notforge::secret))]
+    Secret(String),
+
+    /// Forge API communication failed.
+    #[error("HTTP error: {0}")]
+    #[diagnostic(code(notforge::http))]
+    Http(String),
+
+    /// A lifecycle command failed.
+    #[error("command error: {0}")]
+    #[diagnostic(code(notforge::command))]
+    Command(String),
+
+    /// A git operation failed.
+    #[error("git error: {0}")]
+    #[diagnostic(code(notforge::git))]
+    Git(String),
+
+    /// Repository lookup or provisioning failed.
+    #[error("repository error: {0}")]
+    #[diagnostic(code(notforge::repository))]
+    Repository(String),
+}

crates/notforge/src/gitea.rs

@@ -0,0 +1,302 @@
+use base64::Engine as _;
+use base64::engine::general_purpose::STANDARD;
+use serde::{Deserialize, Serialize};
+use serde_json::{Value, json};
+
+use crate::config::RepoSpec;
+use crate::error::NotforgeError;
+use crate::ports::{ForgeApi, ForgeAuth, ForgeVersion, RemoteRepository};
+
+/// HTTP method used by the Gitea transport boundary.
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub enum HttpMethod {
+    /// HTTP GET.
+    Get,
+    /// HTTP POST.
+    Post,
+}
+
+impl std::fmt::Display for HttpMethod {
+    fn fmt(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            Self::Get => formatter.write_str("GET"),
+            Self::Post => formatter.write_str("POST"),
+        }
+    }
+}
+
+/// Transport-level request sent by the Gitea adapter.
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct GiteaHttpRequest {
+    /// HTTP method.
+    pub method: HttpMethod,
+    /// Absolute URL to call.
+    pub url: String,
+    /// Optional Authorization header value.
+    pub authorization: Option<String>,
+    /// Optional JSON body.
+    pub body: Option<Value>,
+}
+
+/// Transport-level response returned to the Gitea adapter.
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct GiteaHttpResponse {
+    /// HTTP status code.
+    pub status: u16,
+    /// Parsed JSON response body, or `null` for an empty body.
+    pub body: Value,
+}
+
+/// HTTP transport boundary for Gitea API requests.
+pub trait GiteaTransport {
+    /// Send a transport-level request.
+    fn send(&self, request: GiteaHttpRequest) -> Result<GiteaHttpResponse, NotforgeError>;
+}
+
+/// Gitea API adapter that implements [`ForgeApi`].
+#[derive(Debug, Clone)]
+pub struct GiteaHttpApi<T = UreqGiteaTransport> {
+    base_url: String,
+    transport: T,
+}
+
+impl GiteaHttpApi<UreqGiteaTransport> {
+    /// Create a Gitea API adapter backed by the default blocking HTTP transport.
+    pub fn new(base_url: impl Into<String>) -> Self {
+        Self::with_transport(base_url, UreqGiteaTransport::default())
+    }
+}
+
+impl<T> GiteaHttpApi<T>
+where
+    T: GiteaTransport,
+{
+    /// Create a Gitea API adapter with an injected transport.
+    pub fn with_transport(base_url: impl Into<String>, transport: T) -> Self {
+        Self {
+            base_url: base_url.into().trim_end_matches('/').to_string(),
+            transport,
+        }
+    }
+
+    fn url(&self, path: &str) -> String {
+        format!("{}{}", self.base_url, path)
+    }
+
+    fn get(&self, path: &str) -> Result<GiteaHttpResponse, NotforgeError> {
+        self.transport.send(GiteaHttpRequest {
+            method: HttpMethod::Get,
+            url: self.url(path),
+            authorization: None,
+            body: None,
+        })
+    }
+
+    fn post(
+        &self,
+        path: &str,
+        auth: &ForgeAuth,
+        body: Value,
+    ) -> Result<GiteaHttpResponse, NotforgeError> {
+        self.transport.send(GiteaHttpRequest {
+            method: HttpMethod::Post,
+            url: self.url(path),
+            authorization: Some(authorization_header(auth)),
+            body: Some(body),
+        })
+    }
+}
+
+impl<T> ForgeApi for GiteaHttpApi<T>
+where
+    T: GiteaTransport,
+{
+    fn version(&self) -> Result<ForgeVersion, NotforgeError> {
+        let response = self.get("/api/v1/version")?;
+        require_status(response.status, &[200], "get Gitea version")?;
+        let payload: GiteaVersionResponse = parse_body(response.body, "Gitea version response")?;
+        Ok(ForgeVersion {
+            version: payload.version,
+        })
+    }
+
+    fn repo(&self, owner: &str, name: &str) -> Result<Option<RemoteRepository>, NotforgeError> {
+        let response = self.get(&format!("/api/v1/repos/{owner}/{name}"))?;
+        if response.status == 404 {
+            return Ok(None);
+        }
+
+        require_status(response.status, &[200], "get Gitea repository")?;
+        let payload: GiteaRepositoryResponse =
+            parse_body(response.body, "Gitea repository response")?;
+        Ok(Some(payload.into_remote_repository()))
+    }
+
+    fn create_repo(
+        &self,
+        spec: &RepoSpec,
+        auth: &ForgeAuth,
+    ) -> Result<RemoteRepository, NotforgeError> {
+        let response = self.post("/api/v1/user/repos", auth, create_repo_body(spec))?;
+        require_status(response.status, &[200, 201], "create Gitea repository")?;
+        let payload: GiteaRepositoryResponse =
+            parse_body(response.body, "Gitea repository response")?;
+        Ok(payload.into_remote_repository())
+    }
+}
+
+/// Blocking HTTP transport implemented with `ureq`.
+#[derive(Debug, Clone)]
+pub struct UreqGiteaTransport {
+    agent: ureq::Agent,
+}
+
+impl Default for UreqGiteaTransport {
+    fn default() -> Self {
+        Self {
+            agent: ureq::Agent::new(),
+        }
+    }
+}
+
+impl UreqGiteaTransport {
+    /// Create a transport with a custom `ureq` agent.
+    pub fn new(agent: ureq::Agent) -> Self {
+        Self { agent }
+    }
+}
+
+impl GiteaTransport for UreqGiteaTransport {
+    fn send(&self, request: GiteaHttpRequest) -> Result<GiteaHttpResponse, NotforgeError> {
+        let method = request.method;
+        let url = request.url.clone();
+        let mut call = match method {
+            HttpMethod::Get => self.agent.get(&url),
+            HttpMethod::Post => self.agent.post(&url),
+        }
+        .set("Accept", "application/json");
+
+        if let Some(authorization) = request.authorization {
+            call = call.set("Authorization", &authorization);
+        }
+
+        let result = match method {
+            HttpMethod::Get => call.call(),
+            HttpMethod::Post => call
+                .set("Content-Type", "application/json")
+                .send_json(request.body.unwrap_or_else(|| json!({}))),
+        };
+
+        match result {
+            Ok(response) => response_from_ureq(response),
+            Err(ureq::Error::Status(status, response)) => response_from_status(status, response),
+            Err(err) => Err(NotforgeError::Http(format!(
+                "{method} {url} failed before response: {err}"
+            ))),
+        }
+    }
+}
+
+#[derive(Debug, Deserialize)]
+struct GiteaVersionResponse {
+    version: String,
+}
+
+#[derive(Debug, Deserialize)]
+struct GiteaRepositoryResponse {
+    owner: GiteaOwnerResponse,
+    name: String,
+    clone_url: String,
+    ssh_url: String,
+}
+
+impl GiteaRepositoryResponse {
+    fn into_remote_repository(self) -> RemoteRepository {
+        RemoteRepository {
+            owner: self.owner.login,
+            name: self.name,
+            clone_url: self.clone_url,
+            ssh_url: self.ssh_url,
+        }
+    }
+}
+
+#[derive(Debug, Deserialize)]
+struct GiteaOwnerResponse {
+    login: String,
+}
+
+#[derive(Debug, Serialize)]
+struct CreateRepoRequest<'a> {
+    name: &'a str,
+    private: bool,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    description: Option<&'a str>,
+}
+
+fn create_repo_body(spec: &RepoSpec) -> Value {
+    serde_json::to_value(CreateRepoRequest {
+        name: &spec.name,
+        private: spec.private,
+        description: spec.description.as_deref(),
+    })
+    .expect("CreateRepoRequest serialization should not fail")
+}
+
+fn authorization_header(auth: &ForgeAuth) -> String {
+    match auth {
+        ForgeAuth::Token { token } => format!("token {token}"),
+        ForgeAuth::Basic { username, password } => {
+            format!(
+                "Basic {}",
+                STANDARD.encode(format!("{username}:{password}"))
+            )
+        }
+    }
+}
+
+fn require_status(status: u16, expected: &[u16], action: &str) -> Result<(), NotforgeError> {
+    if expected.contains(&status) {
+        Ok(())
+    } else {
+        Err(NotforgeError::Http(format!(
+            "{action} returned unexpected status {status}"
+        )))
+    }
+}
+
+fn parse_body<T>(body: Value, context: &str) -> Result<T, NotforgeError>
+where
+    T: for<'de> Deserialize<'de>,
+{
+    serde_json::from_value(body)
+        .map_err(|err| NotforgeError::Http(format!("invalid {context}: {err}")))
+}
+
+fn response_from_status(
+    status: u16,
+    response: ureq::Response,
+) -> Result<GiteaHttpResponse, NotforgeError> {
+    response_from_parts(status, response)
+}
+
+fn response_from_ureq(response: ureq::Response) -> Result<GiteaHttpResponse, NotforgeError> {
+    response_from_parts(response.status(), response)
+}
+
+fn response_from_parts(
+    status: u16,
+    response: ureq::Response,
+) -> Result<GiteaHttpResponse, NotforgeError> {
+    let body = response
+        .into_string()
+        .map_err(|err| NotforgeError::Http(format!("reading HTTP response body: {err}")))?;
+    let body = if body.trim().is_empty() {
+        Value::Null
+    } else {
+        serde_json::from_str(&body)
+            .map_err(|err| NotforgeError::Http(format!("parsing HTTP response JSON: {err}")))?
+    };
+
+    Ok(GiteaHttpResponse { status, body })
+}

crates/notforge/src/lib.rs

@@ -0,0 +1,19 @@
+//! Forge lifecycle and repository provisioning for notfiles.
+
+pub mod config;
+pub mod error;
+pub mod gitea;
+pub mod ports;
+
+/// Current `notforge` crate version.
+pub const VERSION: &str = env!("CARGO_PKG_VERSION");
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn exposes_package_version() {
+        assert_eq!(VERSION, env!("CARGO_PKG_VERSION"));
+    }
+}

crates/notforge/src/main.rs

@@ -0,0 +1,3 @@
+fn main() {
+    println!("{}", notforge::VERSION);
+}

crates/notforge/src/ports.rs

@@ -0,0 +1,126 @@
+use std::path::PathBuf;
+
+use crate::config::{ForgeConfig, ForgeSecretRef, RepoSpec};
+use crate::error::NotforgeError;
+
+/// Authentication material resolved for forge API requests.
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub enum ForgeAuth {
+    /// Token-based Gitea API authentication.
+    Token { token: String },
+    /// Basic authentication fallback for bootstrap flows.
+    Basic { username: String, password: String },
+}
+
+/// Remote repository metadata returned by a forge.
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct RemoteRepository {
+    /// Repository owner namespace.
+    pub owner: String,
+    /// Repository name.
+    pub name: String,
+    /// HTTP clone URL.
+    pub clone_url: String,
+    /// SSH clone URL.
+    pub ssh_url: String,
+}
+
+/// Forge version metadata.
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct ForgeVersion {
+    /// Server version string.
+    pub version: String,
+}
+
+/// Local git repository path.
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct LocalRepository {
+    /// Filesystem path to the local repository.
+    pub path: PathBuf,
+}
+
+/// Result of ensuring a forge backend is available.
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub enum LifecycleStatus {
+    /// The forge was already reachable.
+    AlreadyAvailable,
+    /// The forge was started by this operation.
+    Started,
+    /// The forge was verified without needing a start operation.
+    Verified,
+}
+
+/// Result of setting a local git remote.
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub enum RemoteStatus {
+    /// The remote was added.
+    Added,
+    /// The remote existed and was updated.
+    Updated,
+    /// The remote already matched the desired URL.
+    Unchanged,
+}
+
+/// Result of pushing a local branch.
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub enum PushStatus {
+    /// The branch was pushed.
+    Pushed,
+    /// The branch already matched the remote.
+    AlreadyUpToDate,
+}
+
+/// Port for forge API operations.
+pub trait ForgeApi {
+    /// Return server version metadata.
+    fn version(&self) -> Result<ForgeVersion, NotforgeError>;
+
+    /// Look up a repository by owner and name.
+    fn repo(&self, owner: &str, name: &str) -> Result<Option<RemoteRepository>, NotforgeError>;
+
+    /// Create a repository from a spec and resolved auth.
+    fn create_repo(
+        &self,
+        spec: &RepoSpec,
+        auth: &ForgeAuth,
+    ) -> Result<RemoteRepository, NotforgeError>;
+}
+
+/// Port for local or remote forge lifecycle operations.
+pub trait ForgeLifecycle {
+    /// Ensure the configured forge backend is available.
+    fn ensure_available(&self, config: &ForgeConfig) -> Result<LifecycleStatus, NotforgeError>;
+}
+
+/// Port for git remote and push operations.
+pub trait GitRemoteManager {
+    /// Return the URL for a local remote if it exists.
+    fn remote_url(
+        &self,
+        repo: &LocalRepository,
+        remote_name: &str,
+    ) -> Result<Option<String>, NotforgeError>;
+
+    /// Add or update a local git remote.
+    fn set_remote(
+        &self,
+        repo: &LocalRepository,
+        remote_name: &str,
+        url: &str,
+    ) -> Result<RemoteStatus, NotforgeError>;
+
+    /// Push a branch to a local remote.
+    fn push(
+        &self,
+        repo: &LocalRepository,
+        remote_name: &str,
+        branch: &str,
+        set_upstream: bool,
+    ) -> Result<PushStatus, NotforgeError>;
+}
+
+/// Port for resolving forge secrets.
+pub trait SecretResolverPort {
+    /// Resolve a secret reference into an in-memory secret value.
+    fn resolve(&self, secret: &ForgeSecretRef) -> Result<String, NotforgeError>;
+}