feat(migrate): Allow migration engine to log to stdout (#7896)

* feat(migrate): Allow migration engine to log to stdout As a first step, we only log what migrations are being applied. See the corresponding engines PR at prisma/prisma-engines#2044 closes https://github.com/prisma/migrations-team/issues/241 * Update packages/migrate/src/MigrateEngine.ts Co-authored-by: Joël <joel.galeran@gmail.com> Co-authored-by: Joël Galeran <Jolg42@users.noreply.github.com>
prisma · Aug 2, 2021 · b3941af · b3941af
1 parent 0229501
commit b3941af
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diff --git a/packages/migrate/src/MigrateEngine.ts b/packages/migrate/src/MigrateEngine.ts
@@ -275,6 +275,10 @@ export class MigrateEngine {
           try {
             const json: MigrateEngineLogLine = JSON.parse(data)
 
+            if (json.fields?.migrate_action === 'log') {
+              console.info(json.fields.message)
+            }
+
             this.messages.push(json.fields.message)
 
             if (json.level === 'ERROR') {

diff --git a/packages/sdk/src/migrateEngineCommands.ts b/packages/sdk/src/migrateEngineCommands.ts
@@ -38,6 +38,8 @@ type LogLevel = 'INFO' | 'ERROR' | 'DEBUG' | 'WARN'
 interface LogFields {
   message: string
   git_hash?: string
+  /// Hint from the engine to the CLI to log this line.
+  migrate_action?: 'log'
   // Only for ERROR level messages
   is_panic?: boolean
   error_code?: string