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authornsfisis <nsfisis@gmail.com>2026-05-03 11:55:03 +0900
committernsfisis <nsfisis@gmail.com>2026-05-03 11:55:03 +0900
commitae1aa6540761e54a76b8f7984cf93cd3a0d011d0 (patch)
treef111e1c73977f0bffb6323b03f4210269b43b297 /crates/mozart-vcs/src/driver/git.rs
parent30ae6c869adc7f3cb87a4d63edd6d0cda89d571d (diff)
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refactor: switch internal maps/sets from HashMap to IndexMap
Adopt indexmap workspace-wide so iteration order is deterministic and follows insertion order. The non-deterministic order of std HashMap otherwise leaks into resolver decisions when multiple valid solutions exist (e.g. cyclic require pairs under prefer-lowest), making behavior flaky and divergent from Composer's PHP-array semantics. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Diffstat (limited to 'crates/mozart-vcs/src/driver/git.rs')
-rw-r--r--crates/mozart-vcs/src/driver/git.rs9
1 files changed, 5 insertions, 4 deletions
diff --git a/crates/mozart-vcs/src/driver/git.rs b/crates/mozart-vcs/src/driver/git.rs
index cc9a210..43f4ecb 100644
--- a/crates/mozart-vcs/src/driver/git.rs
+++ b/crates/mozart-vcs/src/driver/git.rs
@@ -1,4 +1,5 @@
-use std::collections::{BTreeMap, HashMap};
+use indexmap::IndexMap;
+use std::collections::BTreeMap;
use std::path::{Path, PathBuf};
use anyhow::Result;
@@ -17,7 +18,7 @@ pub struct GitDriver {
root_identifier: Option<String>,
tags: Option<BTreeMap<String, String>>,
branches: Option<BTreeMap<String, String>>,
- info_cache: HashMap<String, Option<serde_json::Value>>,
+ info_cache: IndexMap<String, Option<serde_json::Value>>,
git_util: GitUtil,
is_local: bool,
}
@@ -37,7 +38,7 @@ impl GitDriver {
root_identifier: None,
tags: None,
branches: None,
- info_cache: HashMap::new(),
+ info_cache: IndexMap::new(),
git_util,
is_local,
}
@@ -85,7 +86,7 @@ impl GitDriver {
fn parse_tags(output: &str) -> BTreeMap<String, String> {
let mut tags = BTreeMap::new();
// First pass: collect dereferenced tags (^{})
- let mut dereferenced = HashMap::new();
+ let mut dereferenced = IndexMap::new();
for line in output.lines() {
let line = line.trim();
if line.is_empty() {