a basic changelog interface

.autocrate.yaml

@@ -1,3 +1,4 @@
+---
 changelog:
   enable: true
   git-log: true
@@ -8,7 +9,7 @@ uses:
     # tokens are loaded from ~/.cargo/config.toml
     registries:
       - crates.io
-    - example.com
+      - cscherr
 
 api:
   github:
@@ -19,7 +20,7 @@ api:
       pass: token_superimportantsecret
   myserv:
     type: gitea
-    endpoint: https://git.example.com
+    endpoint: https://git.cscherr.de
     auth:
       user: myUserName
       pass: importantsecrettoken

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "autocrate"
-version = "0.1.0-prealpha.0"
+version = "0.1.0-prealpha.1"
 edition = "2021"
 publish = true
 authors = ["Christoph J. Scherr <software@cscherr.de>"]
@@ -21,8 +21,8 @@ keywords = [
 
 [dependencies]
 anyhow = "1.0.79"
-clap = { version = "4.4.18", features = ["derive"] }
-clap-num = "1.1.1"
+cargo = "0.76.0"
+clap = { version = "4.4.18", features = ["derive", "help"] }
 clap-verbosity-flag = "2.1.2"
 git2 = "0.18.1"
 libpt = { version = "0.3.11", features = ["log"] }

README.md

@@ -18,7 +18,6 @@ Autocrate streamlines the release process, allowing developers to focus on
 their work. Although initially built for Gitea, we plan to extend support
 for additional platforms such as GitHub and GitLab.
 
-
 * [Original Repository](https://git.cscherr.de/PlexSheep/Autocrate)
 * [GitHub Mirror](https://github.com/PlexSheep/Autocrate)
 * [crates.io](https://crates.io/crates/autocrate)
@@ -83,6 +82,7 @@ repository. It should contain the following parameters (replace the placeholders
 | `api.NAME.auth` | `pass`       | a string                                                                         | A secret for authentication o the server, probably a token                   |
 
 An example `.autocrate.yaml` could look like this:
+
 ```yaml
 changelog:
   enable: true

src/changelog/mod.rs

@@ -0,0 +1,53 @@
+use std::fmt::Display;
+
+use crate::{
+    config::{cli::Commands, Config},
+    error::*,
+};
+
+/// Represents a changelog that is currently under construction.
+#[derive(Clone, Debug)]
+pub struct Changelog {
+    message: Option<String>,
+    git_log: Option<String>,
+}
+
+impl Changelog {
+    pub fn build(cfg: &Config) -> Result<Self> {
+        if !cfg.yaml.changelog.enable {
+            return Err(ConfigError::IsDisabledButUsed("changelog").into());
+        }
+        let message: Option<String> = match cfg.cli.command.clone() {
+            Commands::Changelog { message } => match message {
+                Some(msgs) => Some(msgs.concat()),
+                None => None,
+            },
+        };
+        let git_log = Self::make_git_log(cfg)?;
+        Ok(Changelog {
+            message,
+            git_log,
+        })
+    }
+
+    fn make_git_log(cfg: &Config) -> Result<Option<String>> {
+        if !cfg.yaml.changelog.enable {
+            return Ok(None);
+        }
+        Ok(Some(format!("todo")))
+    }
+}
+
+impl Display for Changelog {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        let mut full: String = String::new();
+        full += "Changelog";
+        if self.message.is_some() {
+            full += format!("\n\n{}", self.message.clone().unwrap()).as_str();
+        }
+        if self.git_log.is_some() {
+            full += format!("\n\n{}", self.git_log.clone().unwrap()).as_str();
+        }
+        write!(f, "{full}")
+    }
+}

src/config/cli.rs

@@ -1,23 +1,17 @@
+use std::fmt::Display;
+
 use libpt::log::{Level, Logger};
 
-use clap::Parser;
+use clap::{Parser, Subcommand};
 use clap_verbosity_flag::{InfoLevel, Verbosity};
 
-/// short about section displayed in help
-const ABOUT_ROOT: &'static str = r##"
-Release Manager for Your Projects on Gitea, GitHub, and GitLab.
-"##;
-/// longer about section displayed in help, is combined with [the short help](ABOUT_ROOT)
-static LONG_ABOUT_ROOT: &'static str = r##""##;
-
 #[derive(Debug, Clone, Parser)]
 #[command(
     author,
     version,
-    about = ABOUT_ROOT,
-    long_about = format!("{}{}", ABOUT_ROOT ,LONG_ABOUT_ROOT),
-    help_template =
-r#"{about-section}
+    about,
+    long_about,
+    help_template = r#"{about-section}
 {usage-heading} {usage}
 {all-args}{tab}
 
@@ -25,15 +19,50 @@ autocrate: {version}
 Author: {author-with-newline}
 "#
 )]
+/// Release Manager for Your Projects on Gitea, GitHub, and GitLab.
 pub struct Cli {
     // clap_verbosity_flag seems to make this a global option implicitly
     /// set a verbosity, multiple allowed (f.e. -vvv)
     #[command(flatten)]
-    pub(crate) verbose: Verbosity<InfoLevel>,
+    pub verbose: Verbosity<InfoLevel>,
 
     /// show additional logging meta data
     #[arg(long)]
-    pub(crate) meta: bool,
+    pub meta: bool,
+
+    /// the subcommands are part of this enum
+    #[command(subcommand)]
+    pub command: Commands,
+}
+
+#[derive(Debug, Clone, Subcommand)]
+pub enum Commands {
+    Changelog {
+        // FIXME: allow taking a message like this:
+        // `autocrate changelog -m arg1 arg2 arg3`
+        // -> msg="arg1 arg2 arg3"
+        // Instead of only
+        // `autocrate changelog -m "arg1 arg2 arg3"`
+        // -> msg="arg1 arg2 arg3"
+        //
+        // TODO:
+        // Perhaps open the $EDITOR of the user if
+        // no message is provided, like git does
+        #[arg(short, long)]
+        message: Option<Vec<String>>,
+    },
+}
+
+impl Display for Commands {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(
+            f,
+            "{}",
+            match self {
+                Self::Changelog { .. } => "Changelog",
+            }
+        )
+    }
 }
 
 impl Cli {

src/config/mod.rs

@@ -10,54 +10,84 @@ use crate::error::*;
 pub mod cli;
 use cli::Cli;
 
+pub trait YamlConfigSection: Debug + Clone + for<'a> Deserialize<'a> {
+    fn check(&self) -> Result<()>;
+}
+
 #[derive(Debug, Clone, Deserialize)]
 pub struct Changelog {
-    enable: bool,
+    pub enable: bool,
     #[serde(alias = "git-log")]
-    git_log: bool,
+    pub git_log: bool,
+}
+impl YamlConfigSection for Changelog {
+    fn check(&self) -> Result<()> {
+        Ok(())
+    }
+}
+
+#[derive(Debug, Clone, Deserialize)]
+pub struct UseCargo {
+    publish: bool,
+    registries: Vec<String>,
+}
+impl YamlConfigSection for UseCargo {
+    fn check(&self) -> Result<()> {
+        Ok(())
+    }
 }
 
 #[derive(Debug, Clone, Deserialize)]
 pub struct Uses {
-    cargo: Option<Cargo>,
+    cargo: UseCargo,
+}
+impl YamlConfigSection for Uses {
+    fn check(&self) -> Result<()> {
+        self.cargo.check()?;
+        Ok(())
     }
-
-#[derive(Debug, Clone, Deserialize)]
-pub struct Cargo {
-    publish: bool,
-    registries: Vec<String>,
 }
 
 #[derive(Debug, Clone, Deserialize)]
 pub struct ApiAuth {
-    user: String,
-    pass: Option<String>,
-    pass_file: Option<PathBuf>,
+    pub user: String,
+    pub pass: Option<String>,
+    pub pass_file: Option<PathBuf>,
 }
-
-impl ApiAuth {
-    pub fn check(&self) -> Result<()> {
+impl YamlConfigSection for ApiAuth {
+    fn check(&self) -> Result<()> {
         if self.pass.is_some() && self.pass_file.is_some() {
             let err = ConfigError::YamlApiAuthBothPass(self.clone()).into();
             error!("{err}");
             return Err(err);
         }
+        if self.pass_file.is_some() {
+            let file = self.pass_file.clone().unwrap();
+            if !file.exists() {
+                return Err(ConfigError::PassFileDoesNotExist(file).into());
+            }
+        }
         Ok(())
     }
 }
 
 #[derive(Debug, Clone, Deserialize)]
 pub struct Api {
-    r#type: ApiType,
-    endpoint: Url,
+    pub r#type: ApiType,
+    pub endpoint: Url,
     /// May be left empty if the Api does not need auth or the auth is part of the
     /// [endpoint](Api::endpoint) [Url].
-    auth: Option<ApiAuth>,
+    pub auth: Option<ApiAuth>,
 }
-impl Api {
-    pub fn check(&self) -> Result<()> {
-        if let Some(auth) = &self.auth {
-            auth.check()?;
+impl YamlConfigSection for Api {
+    fn check(&self) -> Result<()> {
+        self.r#type.check()?;
+        match self.endpoint.socket_addrs(|| None) {
+            Ok(_) => (),
+            Err(err) => return Err(err.into()),
+        }
+        if self.auth.is_some() {
+            self.auth.clone().unwrap().check()?;
         }
         Ok(())
     }
@@ -72,6 +102,11 @@ pub enum ApiType {
     #[serde(alias = "github", alias = "GitHub")]
     Github,
 }
+impl YamlConfigSection for ApiType {
+    fn check(&self) -> Result<()> {
+        Ok(())
+    }
+}
 
 #[derive(Debug, Clone, Deserialize)]
 pub struct YamlConfig {
@@ -79,6 +114,16 @@ pub struct YamlConfig {
     pub uses: Uses,
     pub api: HashMap<String, Api>,
 }
+impl YamlConfigSection for YamlConfig {
+    fn check(&self) -> Result<()> {
+        self.changelog.check()?;
+        self.uses.check()?;
+        for api in self.api.values() {
+            api.check()?;
+        }
+        Ok(())
+    }
+}
 
 impl YamlConfig {
     /// check if the built configuration is valid
@@ -92,6 +137,7 @@ impl YamlConfig {
 
 pub struct Config {
     pub yaml: YamlConfig,
+    pub cli: Cli,
     pub repo: git2::Repository,
     pub path: PathBuf,
 }
@@ -110,7 +156,7 @@ impl Debug for Config {
 }
 
 impl Config {
-    pub fn load(_cli: Cli) -> Result<Self> {
+    pub fn load(cli: Cli) -> Result<Self> {
         let repo = match git2::Repository::open_from_env() {
             Ok(repo) => repo,
             Err(_err) => {
@@ -147,6 +193,11 @@ impl Config {
         yaml.check()?;
         debug!("built and checked yaml config");
 
-        Ok(Config { yaml, repo, path })
+        Ok(Config {
+            yaml,
+            repo,
+            path,
+            cli,
+        })
     }
 }

src/error.rs

@@ -1,3 +1,5 @@
+use std::path::PathBuf;
+
 use anyhow;
 use thiserror::Error;
 
@@ -28,4 +30,8 @@ pub enum ConfigError {
     YamlFileIsNotFile,
     #[error("api {0:?} provides both a `pass` and a `pass_file`")]
     YamlApiAuthBothPass(ApiAuth),
+    #[error("{0} has 'enabled = false' in the yaml config")]
+    IsDisabledButUsed(&'static str),
+    #[error("password provided as file, but does not exist: {0}")]
+    PassFileDoesNotExist(PathBuf),
 }

src/lib.rs

@@ -1,2 +1,3 @@
 pub mod config;
 pub mod error;
+pub mod changelog;

src/main.rs

@@ -1,12 +1,20 @@
-use anyhow::Result;
-
-mod config;
-mod error;
-use config::{cli::Cli, Config};
+use autocrate::{
+    changelog::*,
+    config::{
+        cli::{Cli, Commands},
+        Config,
+    },
+    error::*,
+};
 
 fn main() -> Result<()> {
     let cli = Cli::cli_parse();
-    let _config = Config::load(cli.clone())?;
+    let cfg = Config::load(cli.clone())?;
 
-    todo!()
+    match cli.command {
+        Commands::Changelog { .. } => {
+            println!("{}", Changelog::build(&cfg)?.to_string());
+            Ok(())
+        }
+    }
 }