From 10ee2acdd26a7f1298c6f6d6b7af9b469fe29b87 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 4 May 2024 14:41:41 +0200
Subject: Merging upstream version 1.70.0+dfsg2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 vendor/gix/src/config/cache/util.rs | 143 ++++++++++++++++++++++++++++++++++++
 1 file changed, 143 insertions(+)
 create mode 100644 vendor/gix/src/config/cache/util.rs

(limited to 'vendor/gix/src/config/cache/util.rs')

diff --git a/vendor/gix/src/config/cache/util.rs b/vendor/gix/src/config/cache/util.rs
new file mode 100644
index 000000000..c12f850e6
--- /dev/null
+++ b/vendor/gix/src/config/cache/util.rs
@@ -0,0 +1,143 @@
+#![allow(clippy::result_large_err)]
+use super::Error;
+use crate::{
+    config,
+    config::tree::{gitoxide, Core},
+    revision::spec::parse::ObjectKindHint,
+};
+
+pub(crate) fn interpolate_context<'a>(
+    git_install_dir: Option<&'a std::path::Path>,
+    home_dir: Option<&'a std::path::Path>,
+) -> gix_config::path::interpolate::Context<'a> {
+    gix_config::path::interpolate::Context {
+        git_install_dir,
+        home_dir,
+        home_for_user: Some(gix_config::path::interpolate::home_for_user), // TODO: figure out how to configure this
+    }
+}
+
+pub(crate) fn base_options(lossy: Option<bool>) -> gix_config::file::init::Options<'static> {
+    gix_config::file::init::Options {
+        lossy: lossy.unwrap_or(!cfg!(debug_assertions)),
+        ..Default::default()
+    }
+}
+
+pub(crate) fn config_bool(
+    config: &gix_config::File<'_>,
+    key: &'static config::tree::keys::Boolean,
+    key_str: &str,
+    default: bool,
+    lenient: bool,
+) -> Result<bool, Error> {
+    use config::tree::Key;
+    debug_assert_eq!(
+        key_str,
+        key.logical_name(),
+        "BUG: key name and hardcoded name must match"
+    );
+    config
+        .boolean_by_key(key_str)
+        .map(|res| key.enrich_error(res))
+        .unwrap_or(Ok(default))
+        .map_err(Error::from)
+        .with_lenient_default(lenient)
+}
+
+pub(crate) fn query_refupdates(
+    config: &gix_config::File<'static>,
+    lenient_config: bool,
+) -> Result<Option<gix_ref::store::WriteReflog>, Error> {
+    let key = "core.logAllRefUpdates";
+    Core::LOG_ALL_REF_UPDATES
+        .try_into_ref_updates(config.boolean_by_key(key), || config.string_by_key(key))
+        .with_leniency(lenient_config)
+        .map_err(Into::into)
+}
+
+pub(crate) fn reflog_or_default(
+    config_reflog: Option<gix_ref::store::WriteReflog>,
+    has_worktree: bool,
+) -> gix_ref::store::WriteReflog {
+    config_reflog.unwrap_or(if has_worktree {
+        gix_ref::store::WriteReflog::Normal
+    } else {
+        gix_ref::store::WriteReflog::Disable
+    })
+}
+
+/// Return `(pack_cache_bytes, object_cache_bytes)` as parsed from gix-config
+pub(crate) fn parse_object_caches(
+    config: &gix_config::File<'static>,
+    lenient: bool,
+    mut filter_config_section: fn(&gix_config::file::Metadata) -> bool,
+) -> Result<(Option<usize>, usize), Error> {
+    let pack_cache_bytes = config
+        .integer_filter_by_key("core.deltaBaseCacheLimit", &mut filter_config_section)
+        .map(|res| Core::DELTA_BASE_CACHE_LIMIT.try_into_usize(res))
+        .transpose()
+        .with_leniency(lenient)?;
+    let object_cache_bytes = config
+        .integer_filter_by_key("gitoxide.objects.cacheLimit", &mut filter_config_section)
+        .map(|res| gitoxide::Objects::CACHE_LIMIT.try_into_usize(res))
+        .transpose()
+        .with_leniency(lenient)?
+        .unwrap_or_default();
+    Ok((pack_cache_bytes, object_cache_bytes))
+}
+
+pub(crate) fn parse_core_abbrev(
+    config: &gix_config::File<'static>,
+    object_hash: gix_hash::Kind,
+) -> Result<Option<usize>, Error> {
+    Ok(config
+        .string_by_key("core.abbrev")
+        .map(|abbrev| Core::ABBREV.try_into_abbreviation(abbrev, object_hash))
+        .transpose()?
+        .flatten())
+}
+
+pub(crate) fn disambiguate_hint(
+    config: &gix_config::File<'static>,
+    lenient_config: bool,
+) -> Result<Option<ObjectKindHint>, config::key::GenericErrorWithValue> {
+    match config.string_by_key("core.disambiguate") {
+        None => Ok(None),
+        Some(value) => Core::DISAMBIGUATE
+            .try_into_object_kind_hint(value)
+            .with_leniency(lenient_config),
+    }
+}
+
+// TODO: Use a specialization here once trait specialization is stabilized. Would be perfect here for `T: Default`.
+pub trait ApplyLeniency {
+    fn with_leniency(self, is_lenient: bool) -> Self;
+}
+
+pub trait ApplyLeniencyDefault {
+    fn with_lenient_default(self, is_lenient: bool) -> Self;
+}
+
+impl<T, E> ApplyLeniency for Result<Option<T>, E> {
+    fn with_leniency(self, is_lenient: bool) -> Self {
+        match self {
+            Ok(v) => Ok(v),
+            Err(_) if is_lenient => Ok(None),
+            Err(err) => Err(err),
+        }
+    }
+}
+
+impl<T, E> ApplyLeniencyDefault for Result<T, E>
+where
+    T: Default,
+{
+    fn with_lenient_default(self, is_lenient: bool) -> Self {
+        match self {
+            Ok(v) => Ok(v),
+            Err(_) if is_lenient => Ok(T::default()),
+            Err(err) => Err(err),
+        }
+    }
+}
-- 
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