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pub mod args;
pub mod changelog;
#[macro_use]
extern crate log;
use args::Opt;
use changelog::Changelog;
use git_cliff_core::commit::Commit;
use git_cliff_core::config::Config;
use git_cliff_core::embed::EmbeddedConfig;
use git_cliff_core::error::{
Error,
Result,
};
use git_cliff_core::release::Release;
use git_cliff_core::repo::Repository;
use git_cliff_core::DEFAULT_CONFIG;
use std::env;
use std::fs::{
self,
File,
};
use std::io;
pub fn run(mut args: Opt) -> Result<()> {
if args.init {
info!("Saving the configuration file to {:?}", DEFAULT_CONFIG);
fs::write(DEFAULT_CONFIG, EmbeddedConfig::get_config()?)?;
return Ok(());
}
if let Some(workdir) = args.workdir {
args.config = workdir.join(args.config);
args.repository = match args.repository {
Some(repository) => Some(workdir.join(repository)),
None => Some(workdir.clone()),
};
if let Some(changelog) = args.prepend {
args.prepend = Some(workdir.join(changelog));
}
}
let mut path = match args.config.to_str() {
Some(v) => Ok(v.to_string()),
None => Err(Error::IoError(io::Error::new(
io::ErrorKind::Other,
"path contains invalid characters",
))),
}?;
if let Some(config_path) = dirs_next::config_dir()
.map(|dir| dir.join(env!("CARGO_PKG_NAME")).join(DEFAULT_CONFIG))
.map(|path| path.to_str().map(String::from))
.flatten()
{
if fs::metadata(&config_path).is_ok() {
path = config_path;
}
}
let mut config = if fs::metadata(&path).is_ok() {
Config::parse(path)?
} else {
warn!("{:?} is not found, using the default configuration.", path);
EmbeddedConfig::parse()?
};
match args.strip.as_deref() {
Some("header") => {
config.changelog.header = None;
}
Some("footer") => {
config.changelog.footer = None;
}
Some("all") => {
config.changelog.header = None;
config.changelog.footer = None;
}
_ => {}
}
if args.prepend.is_some() {
config.changelog.footer = None;
if !(args.unreleased || args.latest) {
return Err(Error::ArgumentError(String::from(
"'-u' or '-l' is not specified",
)));
}
}
if let Some(template) = args.body {
config.changelog.body = template;
}
let repository =
Repository::init(args.repository.unwrap_or(env::current_dir()?))?;
let mut tags = repository.tags(&config.git.tag_pattern)?;
let mut commit_range = args.range;
if args.unreleased {
if let Some(last_tag) = tags.last().map(|(k, _)| k) {
commit_range = Some(format!("{}..HEAD", last_tag));
}
} else if args.latest {
if tags.len() < 2 {
return Err(Error::ChangelogError(String::from(
"Latest tag cannot be processed",
)));
} else if let (Some(tag1), Some(tag2)) = (
tags.get_index(tags.len() - 2).map(|(k, _)| k),
tags.get_index(tags.len() - 1).map(|(k, _)| k),
) {
commit_range = Some(format!("{}..{}", tag1, tag2));
}
}
let commits = repository.commits(commit_range, args.commit_path)?;
if let Some(tag) = args.tag {
if let Some(commit_id) = commits.first().map(|c| c.id().to_string()) {
match tags.get(&commit_id) {
Some(tag) => {
warn!("There is already a tag ({}) for {}", tag, commit_id)
}
None => {
tags.insert(commit_id, tag);
}
}
}
}
let mut releases = vec![Release::default()];
let mut release_index = 0;
let mut previous_release = Release::default();
for git_commit in commits.into_iter().rev() {
let commit = Commit::from(&git_commit);
let commit_id = commit.id.to_string();
if args.sort == "newest" {
releases[release_index].commits.insert(0, commit);
} else {
releases[release_index].commits.push(commit);
}
if let Some(tag) = tags.get(&commit_id) {
releases[release_index].version = Some(tag.to_string());
releases[release_index].commit_id = Some(commit_id);
releases[release_index].timestamp = git_commit.time().seconds();
previous_release.previous = None;
releases[release_index].previous = Some(Box::new(previous_release));
previous_release = releases[release_index].clone();
releases.push(Release::default());
release_index += 1;
}
}
if args.latest {
if let Some((commit_id, version)) = tags.get_index(tags.len() - 2) {
let previous_release = Release {
commit_id: Some(commit_id.to_string()),
version: Some(version.to_string()),
..Release::default()
};
releases[0].previous = Some(Box::new(previous_release));
}
}
let changelog = Changelog::new(releases, &config)?;
if let Some(path) = args.prepend {
changelog.prepend(fs::read_to_string(&path)?, &mut File::create(path)?)
} else if let Some(path) = args.output {
changelog.generate(&mut File::create(path)?)
} else {
changelog.generate(&mut io::stdout())
}
}