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use std::io;
use std::process::Command;
mod bump_level;
pub use bump_level::{BumpLevel, BumpLevelError};
mod toml;
use toml::{TomlSemverExtensions, TomlError};
mod derive_next_version;
use derive_next_version::derive_next_version;
extern crate semver;
use semver::Version;
pub use semver::SemVerError;
pub enum CargoVersionError {
GitNotClean,
IoError(io::Error),
NoVersionFound,
SemVerError(semver::SemVerError),
}
impl From<TomlError> for CargoVersionError {
fn from(err: TomlError) -> CargoVersionError {
match err {
TomlError::NoVersionFound => CargoVersionError::NoVersionFound,
TomlError::IoError(err) => CargoVersionError::IoError(err),
TomlError::SemVerError(err) => CargoVersionError::SemVerError(err),
}
}
}
fn require_clean_git() -> Result<(), ()> {
Command::new("git")
.arg("status")
.arg("--porcelain=v1")
.arg("--untracked-files=no")
.output()
.map(|output| output.stdout.len() > 0)
.map(|dirty| if dirty { Err(()) } else { Ok(()) })
.expect("Failed to read git status")
}
pub fn create_version(level: BumpLevel) -> Result<(), CargoVersionError> {
try!(require_clean_git().map_err(|_| CargoVersionError::GitNotClean));
let current_version = try!(Version::read_from_toml("Cargo.toml"));
let next_version = derive_next_version(current_version, level);
try!(next_version.write_to_toml("Cargo.toml"));
Command::new("cargo")
.arg("generate-lockfile")
.spawn()
.expect("Failed to regenerate lockfile")
.wait()
.expect("Failed to regenerate lockfile");
Command::new("cargo")
.arg("build")
.arg("--release")
.spawn()
.expect("Failed to build package")
.wait()
.expect("Failed to build package");
Command::new("git")
.arg("add")
.arg("Cargo.toml")
.arg("Cargo.lock")
.spawn()
.expect("Failed to add files to the git staging area")
.wait()
.expect("Failed to add files to the git staging area");
Command::new("git")
.arg("commit")
.arg("-m")
.arg(format!("🚢 {}", next_version))
.spawn()
.expect("Failed to create a git commit")
.wait()
.expect("Failed to create a git commit");
Command::new("git")
.arg("tag")
.arg(format!("v{}", next_version))
.arg("-am")
.arg(format!("🚢 {}", next_version))
.spawn()
.expect("Failed to create a git tag")
.wait()
.expect("Failed to create a git tag");
Ok(())
}