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#[cfg(test)]
use std::path::Path;
use std::process;
pub struct GitConfig {
config: git2::Config,
pub enabled: bool,
pub repo: Option<git2::Repository>,
}
impl GitConfig {
pub fn try_create() -> Option<Self> {
let repo = match std::env::current_dir() {
Ok(dir) => git2::Repository::discover(dir).ok(),
_ => None,
};
let config = match &repo {
Some(repo) => repo.config().ok(),
None => git2::Config::open_default().ok(),
};
match config {
Some(mut config) => {
let config = config.snapshot().unwrap_or_else(|err| {
eprintln!("Failed to read git config: {}", err);
process::exit(1)
});
Some(Self {
config,
repo,
enabled: true,
})
}
None => None,
}
}
#[cfg(test)]
pub fn from_path(path: &Path) -> Self {
Self {
config: git2::Config::open(path).unwrap(),
repo: None,
enabled: true,
}
}
pub fn get<T>(&self, key: &str) -> Option<T>
where
T: GitConfigGet,
{
if self.enabled {
T::git_config_get(key, self)
} else {
None
}
}
}
pub trait GitConfigGet {
fn git_config_get(key: &str, git_config: &GitConfig) -> Option<Self>
where
Self: Sized;
}
impl GitConfigGet for String {
fn git_config_get(key: &str, git_config: &GitConfig) -> Option<Self> {
git_config.config.get_string(key).ok()
}
}
impl GitConfigGet for Option<String> {
fn git_config_get(key: &str, git_config: &GitConfig) -> Option<Self> {
match git_config.config.get_string(key) {
Ok(value) => Some(Some(value)),
_ => None,
}
}
}
impl GitConfigGet for bool {
fn git_config_get(key: &str, git_config: &GitConfig) -> Option<Self> {
git_config.config.get_bool(key).ok()
}
}
impl GitConfigGet for usize {
fn git_config_get(key: &str, git_config: &GitConfig) -> Option<Self> {
match git_config.config.get_i64(key) {
Ok(value) => Some(value as usize),
_ => None,
}
}
}
impl GitConfigGet for f64 {
fn git_config_get(key: &str, git_config: &GitConfig) -> Option<Self> {
match git_config.config.get_string(key) {
Ok(value) => value.parse::<f64>().ok(),
_ => None,
}
}
}
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