From 49bb64fdd13b71da2815a77ecb9426dfa2976466 Mon Sep 17 00:00:00 2001
From: Rachel Chen <rachel@chens.email>
Date: Sat, 1 Feb 2025 17:49:45 -0800
Subject: [PATCH] kv/sqlite3: workaround for modernc/sqlite3 not building on
 illumos

---
 kv/sqlite3/kv.go             | 14 +++++++++-----
 kv/sqlite3/sqlite_illumos.go | 14 ++++++++++++++
 kv/sqlite3/sqlite_purego.go  | 16 ++++++++++++++++
 3 files changed, 39 insertions(+), 5 deletions(-)
 create mode 100644 kv/sqlite3/sqlite_illumos.go
 create mode 100644 kv/sqlite3/sqlite_purego.go

diff --git a/kv/sqlite3/kv.go b/kv/sqlite3/kv.go
index 9f21f5b..e0973b5 100644
--- a/kv/sqlite3/kv.go
+++ b/kv/sqlite3/kv.go
@@ -1,7 +1,6 @@
 package sqlite3
 
 import (
-	"fmt"
 	"os"
 	"path/filepath"
 	"runtime"
@@ -9,7 +8,6 @@ import (
 
 	"go.miragespace.co/specter/spec/chord"
 
-	"github.com/glebarez/sqlite"
 	"go.uber.org/zap"
 	"gorm.io/gorm"
 	"moul.io/zapgorm2"
@@ -48,10 +46,16 @@ func New(cfg Config) (*SqliteKV, error) {
 	if err := os.MkdirAll(dbDir, 0750); err != nil {
 		return nil, err
 	}
-	dsn := fmt.Sprintf("file:%s?_pragma=journal_mode(WAL)&_pragma=foreign_keys(1)&_pragma=busy_timeout(5000)&_pragma=synchronous(1)&_pragma=page_size(4096)&_txlock=immediate", filepath.Join(dbDir, "db"))
+	dbPath := filepath.Join(dbDir, "db")
 
-	readDb := sqlite.Open(dsn)
-	writeDb := sqlite.Open(dsn)
+	readDb, err := openSQLite(dbPath)
+	if err != nil {
+		return nil, err
+	}
+	writeDb, err := openSQLite(dbPath)
+	if err != nil {
+		return nil, err
+	}
 
 	logger := zapgorm2.New(cfg.Logger)
 	logger.IgnoreRecordNotFoundError = true
diff --git a/kv/sqlite3/sqlite_illumos.go b/kv/sqlite3/sqlite_illumos.go
new file mode 100644
index 0000000..b8cae5c
--- /dev/null
+++ b/kv/sqlite3/sqlite_illumos.go
@@ -0,0 +1,14 @@
+//go:build illumos
+
+package sqlite3
+
+import (
+	"errors"
+
+	"gorm.io/gorm"
+)
+
+// FIXME: Introduce support for SQLite3 via mattn/go-sqlite3
+func openSQLite(_ string) (gorm.Dialector, error) {
+	return nil, errors.ErrUnsupported
+}
diff --git a/kv/sqlite3/sqlite_purego.go b/kv/sqlite3/sqlite_purego.go
new file mode 100644
index 0000000..b95a9e3
--- /dev/null
+++ b/kv/sqlite3/sqlite_purego.go
@@ -0,0 +1,16 @@
+//go:build !illumos
+
+package sqlite3
+
+import (
+	"fmt"
+
+	"github.com/glebarez/sqlite"
+	"gorm.io/gorm"
+)
+
+func openSQLite(dbpath string) (gorm.Dialector, error) {
+	dsn := fmt.Sprintf("file:%s?_pragma=journal_mode(WAL)&_pragma=foreign_keys(1)&_pragma=busy_timeout(5000)&_pragma=synchronous(1)&_pragma=page_size(4096)&_txlock=immediate", dbpath)
+	db := sqlite.Open(dsn)
+	return db, nil
+}