internal: add error context for n2 db processing (#261)

crates/moonbuild/src/fmt.rs

@@ -212,11 +212,9 @@ pub fn gen_n2_fmt_state(
     default.push(inplace_format_action);
 
     let mut hashes = n2graph::Hashes::default();
-    let db = n2::db::open(
-        &moonbuild_opt.target_dir.join("format.db"),
-        &mut graph,
-        &mut hashes,
-    )?;
+    let n2_db_path = &moonbuild_opt.target_dir.join("format.db");
+    let db = n2::db::open(n2_db_path, &mut graph, &mut hashes)
+        .with_context(|| format!("failed to process n2 db: {}", n2_db_path.display()))?;
 
     Ok(State {
         graph,
@@ -311,11 +309,9 @@ pub fn gen_n2_fmt_check_state(
     default.push(format_to_action);
 
     let mut hashes = n2graph::Hashes::default();
-    let db = n2::db::open(
-        &moonbuild_opt.target_dir.join("format.db"),
-        &mut graph,
-        &mut hashes,
-    )?;
+    let n2_db_path = &moonbuild_opt.target_dir.join("format.db");
+    let db = n2::db::open(n2_db_path, &mut graph, &mut hashes)
+        .with_context(|| format!("failed to process n2 db: {}", n2_db_path.display()))?;
 
     Ok(State {
         graph,

crates/moonbuild/src/gen/gen_build.rs

@@ -16,7 +16,7 @@
 //
 // For inquiries, you can contact us via e-mail at [email protected].
 
-use anyhow::{bail, Ok};
+use anyhow::{bail, Context, Ok};
 use moonutil::common::TargetBackend::*;
 use moonutil::module::ModuleDB;
 use moonutil::package::{JsFormat, Package};
@@ -443,7 +443,9 @@ pub fn gen_n2_build_state(
     }
 
     let mut hashes = n2graph::Hashes::default();
-    let db = n2::db::open(&target_dir.join("build.moon_db"), &mut graph, &mut hashes)?;
+    let n2_db_path = &target_dir.join("build.moon_db");
+    let db = n2::db::open(n2_db_path, &mut graph, &mut hashes)
+        .with_context(|| format!("failed to process n2 db: {}", n2_db_path.display()))?;
 
     Ok(State {
         graph,

crates/moonbuild/src/gen/gen_bundle.rs

@@ -16,7 +16,7 @@
 //
 // For inquiries, you can contact us via e-mail at [email protected].
 
-use anyhow::bail;
+use anyhow::{bail, Context};
 use indexmap::IndexMap;
 use moonutil::module::ModuleDB;
 use moonutil::package::Package;
@@ -306,7 +306,9 @@ pub fn gen_n2_bundle_state(
     let default = graph.get_start_nodes();
 
     let mut hashes = n2graph::Hashes::default();
-    let db = n2::db::open(&target_dir.join("build.moon_db"), &mut graph, &mut hashes)?;
+    let n2_db_path = &target_dir.join("build.moon_db");
+    let db = n2::db::open(n2_db_path, &mut graph, &mut hashes)
+        .with_context(|| format!("failed to process n2 db: {}", n2_db_path.display()))?;
 
     Ok(State {
         graph,

crates/moonbuild/src/gen/gen_check.rs

@@ -18,7 +18,7 @@
 
 use super::cmd_builder::CommandBuilder;
 use crate::gen::MiAlias;
-use anyhow::bail;
+use anyhow::{bail, Context};
 use indexmap::map::IndexMap;
 use moonutil::module::ModuleDB;
 use moonutil::package::Package;
@@ -367,7 +367,9 @@ pub fn gen_n2_check_state(
     }
 
     let mut hashes = n2graph::Hashes::default();
-    let db = n2::db::open(&target_dir.join("check.moon_db"), &mut graph, &mut hashes)?;
+    let n2_db_path = &target_dir.join("check.moon_db");
+    let db = n2::db::open(n2_db_path, &mut graph, &mut hashes)
+        .with_context(|| format!("failed to process n2 db: {}", n2_db_path.display()))?;
 
     let default = graph.get_start_nodes();
 

crates/moonbuild/src/gen/gen_runtest.rs

@@ -16,7 +16,7 @@
 //
 // For inquiries, you can contact us via e-mail at [email protected].
 
-use anyhow::{bail, Ok};
+use anyhow::{bail, Context, Ok};
 use colored::Colorize;
 use moonutil::common::{DriverKind, GeneratedTestDriver, MOONBITLANG_CORE};
 use moonutil::module::ModuleDB;
@@ -917,11 +917,9 @@ pub fn gen_n2_runtest_state(
     }
 
     let mut hashes = n2graph::Hashes::default();
-    let db = n2::db::open(
-        &moonbuild_opt.target_dir.join("build.moon_db"),
-        &mut graph,
-        &mut hashes,
-    )?;
+    let n2_db_path = &moonbuild_opt.target_dir.join("build.moon_db");
+    let db = n2::db::open(n2_db_path, &mut graph, &mut hashes)
+        .with_context(|| format!("failed to process n2 db: {}", n2_db_path.display()))?;
 
     Ok(State {
         graph,