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|
use crate::{
config,
config::tree::{keys, Key, Pack, Section},
};
impl Pack {
/// The `pack.threads` key.
pub const THREADS: keys::UnsignedInteger =
keys::UnsignedInteger::new_unsigned_integer("threads", &config::Tree::PACK)
.with_deviation("Leaving this key unspecified uses all available cores, instead of 1");
/// The `pack.indexVersion` key.
pub const INDEX_VERSION: IndexVersion =
IndexVersion::new_with_validate("indexVersion", &config::Tree::PACK, validate::IndexVersion);
}
/// The `pack.indexVersion` key.
pub type IndexVersion = keys::Any<validate::IndexVersion>;
mod index_version {
use crate::{config, config::tree::sections::pack::IndexVersion};
impl IndexVersion {
/// Try to interpret an integer value as index version.
pub fn try_into_index_version(
&'static self,
value: Result<i64, gix_config::value::Error>,
) -> Result<gix_pack::index::Version, config::key::GenericError> {
let value = value.map_err(|err| config::key::GenericError::from(self).with_source(err))?;
Ok(match value {
1 => gix_pack::index::Version::V1,
2 => gix_pack::index::Version::V2,
_ => return Err(config::key::GenericError::from(self)),
})
}
}
}
impl Section for Pack {
fn name(&self) -> &str {
"pack"
}
fn keys(&self) -> &[&dyn Key] {
&[&Self::THREADS, &Self::INDEX_VERSION]
}
}
mod validate {
use crate::{bstr::BStr, config::tree::keys};
pub struct IndexVersion;
impl keys::Validate for IndexVersion {
fn validate(&self, value: &BStr) -> Result<(), Box<dyn std::error::Error + Send + Sync + 'static>> {
super::Pack::INDEX_VERSION.try_into_index_version(gix_config::Integer::try_from(value).and_then(
|int| {
int.to_decimal()
.ok_or_else(|| gix_config::value::Error::new("integer out of range", value))
},
))?;
Ok(())
}
}
}
|
