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#[macro_use]
extern crate structopt;
extern crate clap_flags;
#[macro_use]
extern crate failure;
extern crate chrono;
extern crate git2;
extern crate serde;
#[macro_use]
extern crate serde_derive;
extern crate mktemp;
extern crate toml;
mod changelog;
mod cli;
mod error;
mod git;
pub use changelog::{format, stats};
pub use cli::Cli;
pub use error::{Error, ErrorKind, Result};
pub use git::{all_commits, full_diff, Commit, Tag};
use failure::ResultExt;
use mktemp::Temp;
use std::env;
use std::fs::{self, File, OpenOptions};
use std::io::{self, Write};
use std::path::PathBuf;
#[derive(Deserialize)]
struct Config {
package: Package,
}
#[derive(Deserialize)]
struct Package {
repository: String,
}
pub fn read_repo(dir: &str) -> ::Result<String> {
let mut dir = PathBuf::from(dir);
dir.push("Cargo.toml");
let config = if dir.exists() {
let cargo_toml = fs::read_to_string(dir).context(::ErrorKind::Other)?;
toml::from_str(&cargo_toml).context(::ErrorKind::Other)?
} else {
dir.pop();
Config {
package: Package {
repository: read_path_name(&dir).context(::ErrorKind::Other)?,
},
}
};
Ok(config.package.repository)
}
pub fn read_path_name(dir: &PathBuf) -> ::Result<String> {
let path_name = if dir.eq(&PathBuf::from(".")) {
let path = env::current_dir()?;
String::from(
path
.file_name()
.ok_or_else(|| ::ErrorKind::Other)?
.to_str()
.ok_or_else(|| ::ErrorKind::Other)?,
)
} else {
String::from(
dir
.file_name()
.ok_or_else(|| ::ErrorKind::Other)?
.to_str()
.ok_or_else(|| ::ErrorKind::Other)?,
)
};
return Ok(path_name);
}
pub fn prepend_file(file_path: &str, data: &str) -> ::Result<()> {
let file_path = PathBuf::from(file_path);
let file = OpenOptions::new()
.create(true)
.append(true)
.open(&file_path)
.context(::ErrorKind::Other)?;
file.sync_all().context(::ErrorKind::Other)?;
let tmp_path = Temp::new_file().context(::ErrorKind::Other)?;
let mut tmp = File::create(&tmp_path).context(::ErrorKind::Other)?;
let mut src = File::open(&file_path).context(::ErrorKind::Other)?;
tmp.write_all(data.as_bytes()).context(::ErrorKind::Other)?;
tmp.write(b"\n\n").context(::ErrorKind::Other)?;
io::copy(&mut src, &mut tmp).context(::ErrorKind::Other)?;
fs::remove_file(&file_path).context(::ErrorKind::Other)?;
fs::copy(&tmp_path, &file_path).context(::ErrorKind::Other)?;
Ok(())
}