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db.ts
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import { type SQLiteBunDatabase } from "drizzle-orm/bun-sqlite"
import { migrate } from "drizzle-orm/bun-sqlite/migrator"
import { type SQLiteTransaction } from "drizzle-orm/sqlite-core"
export * from "drizzle-orm"
import { Context } from "../util/context"
import { lazy } from "../util/lazy"
import { Global } from "../global"
import { Log } from "../util/log"
import { NamedError } from "@opencode-ai/util/error"
import z from "zod"
import path from "path"
import { readFileSync, readdirSync, existsSync } from "fs"
import { Flag } from "../flag/flag"
import { CHANNEL } from "../installation/meta"
import { InstanceState } from "@/effect/instance-state"
import { iife } from "@/util/iife"
import { init } from "#db"
declare const OPENCODE_MIGRATIONS: { sql: string; timestamp: number; name: string }[] | undefined
export const NotFoundError = NamedError.create(
"NotFoundError",
z.object({
message: z.string(),
}),
)
const log = Log.create({ service: "db" })
export namespace Database {
export function getChannelPath() {
if (["latest", "beta"].includes(CHANNEL) || Flag.OPENCODE_DISABLE_CHANNEL_DB)
return path.join(Global.Path.data, "opencode.db")
const safe = CHANNEL.replace(/[^a-zA-Z0-9._-]/g, "-")
return path.join(Global.Path.data, `opencode-${safe}.db`)
}
export const Path = iife(() => {
if (Flag.OPENCODE_DB) {
if (Flag.OPENCODE_DB === ":memory:" || path.isAbsolute(Flag.OPENCODE_DB)) return Flag.OPENCODE_DB
return path.join(Global.Path.data, Flag.OPENCODE_DB)
}
return getChannelPath()
})
export type Transaction = SQLiteTransaction<"sync", void>
type Client = SQLiteBunDatabase
type Journal = { sql: string; timestamp: number; name: string }[]
function time(tag: string) {
const match = /^(\d{4})(\d{2})(\d{2})(\d{2})(\d{2})(\d{2})/.exec(tag)
if (!match) return 0
return Date.UTC(
Number(match[1]),
Number(match[2]) - 1,
Number(match[3]),
Number(match[4]),
Number(match[5]),
Number(match[6]),
)
}
function migrations(dir: string): Journal {
const dirs = readdirSync(dir, { withFileTypes: true })
.filter((entry) => entry.isDirectory())
.map((entry) => entry.name)
const sql = dirs
.map((name) => {
const file = path.join(dir, name, "migration.sql")
if (!existsSync(file)) return
return {
sql: readFileSync(file, "utf-8"),
timestamp: time(name),
name,
}
})
.filter(Boolean) as Journal
return sql.sort((a, b) => a.timestamp - b.timestamp)
}
export const Client = lazy(() => {
log.info("opening database", { path: Path })
const db = init(Path)
db.run("PRAGMA journal_mode = WAL")
db.run("PRAGMA synchronous = NORMAL")
db.run("PRAGMA busy_timeout = 5000")
db.run("PRAGMA cache_size = -64000")
db.run("PRAGMA foreign_keys = ON")
db.run("PRAGMA wal_checkpoint(PASSIVE)")
// Apply schema migrations
const entries =
typeof OPENCODE_MIGRATIONS !== "undefined"
? OPENCODE_MIGRATIONS
: migrations(path.join(import.meta.dirname, "../../migration"))
if (entries.length > 0) {
log.info("applying migrations", {
count: entries.length,
mode: typeof OPENCODE_MIGRATIONS !== "undefined" ? "bundled" : "dev",
})
if (Flag.OPENCODE_SKIP_MIGRATIONS) {
for (const item of entries) {
item.sql = "select 1;"
}
}
migrate(db, entries)
}
return db
})
export function close() {
Client().$client.close()
Client.reset()
}
export type TxOrDb = Transaction | Client
const ctx = Context.create<{
tx: TxOrDb
effects: (() => void | Promise<void>)[]
}>("database")
export function use<T>(callback: (trx: TxOrDb) => T): T {
try {
return callback(ctx.use().tx)
} catch (err) {
if (err instanceof Context.NotFound) {
const effects: (() => void | Promise<void>)[] = []
const result = ctx.provide({ effects, tx: Client() }, () => callback(Client()))
for (const effect of effects) effect()
return result
}
throw err
}
}
export function effect(fn: () => any | Promise<any>) {
const bound = InstanceState.bind(fn)
try {
ctx.use().effects.push(bound)
} catch {
bound()
}
}
type NotPromise<T> = T extends Promise<any> ? never : T
export function transaction<T>(
callback: (tx: TxOrDb) => NotPromise<T>,
options?: {
behavior?: "deferred" | "immediate" | "exclusive"
},
): NotPromise<T> {
try {
return callback(ctx.use().tx)
} catch (err) {
if (err instanceof Context.NotFound) {
const effects: (() => void | Promise<void>)[] = []
const txCallback = InstanceState.bind((tx: TxOrDb) => ctx.provide({ tx, effects }, () => callback(tx)))
const result = Client().transaction(txCallback, { behavior: options?.behavior })
for (const effect of effects) effect()
return result as NotPromise<T>
}
throw err
}
}
}