我有一个基于 sbt 的项目https://github.com/hhimanshu/sbt101/tree/m5（分支是m5）。
我heroku在我的机器上本地安装了 toolbelt 并运行了以下命令：
594 heroku login
595 heroku run sbt console
596 heroku run sbt console --app h2-sbt101
597 heroku git:remote -a h2-sbt101
当我跑
git push heroku master
它失败并出现以下错误：
remote: [info] downloading https://repo1.maven.org/maven2/org/scala-lang/scala-library/2.12.8/scala-library-2.12.8.jar ...
remote: [info] downloading https://repo1.maven.org/maven2/org/scala-lang/scala-compiler/2.12.8/scala-compiler-2.12.8.jar ...
remote: [info] downloading https://repo1.maven.org/maven2/org/scala-lang/scala-reflect/2.12.8/scala-reflect-2.12.8.jar ...
remote: [info] [SUCCESSFUL ] org.scala-lang#scala-reflect;2.12.8!scala-reflect.jar (577ms)
remote: [info] [SUCCESSFUL ] org.scala-lang#scala-library;2.12.8!scala-library.jar (696ms)
remote: [info] [SUCCESSFUL ] org.scala-lang#scala-compiler;2.12.8!scala-compiler.jar (915ms)
remote: [info] Done updating.
remote: [info] Done updating.
remote: [info] Compiling 1 Scala source to /tmp/scala_buildpack_build_dir/calculators/target/scala-2.12/classes ...
remote: [warn] there was one deprecation warning (since 2.11.0); re-run with -deprecation for details
remote: [warn] one warning found
remote: [info] Done compiling.
remote: [success] Total time: 2 s, completed May 10, 2019 5:17:20 PM
remote: [error] Not a valid command: stage (similar: last-grep, set, last)
remote: [error] Not a valid project ID: stage
remote: [error] Expected ':'
remote: [error] Not a valid key: stage (similar: state, target, tags)
remote: [error] stage
remote: [error] ^
remote:
remote: ! ERROR: Failed to run sbt!
remote: It looks like your build.sbt does not have a valid 'stage' task.
remote: Please read our Dev Center article for information on how to create one:
remote: https://devcenter.heroku.com/articles/scala-support#build-behavior
remote: If you continue to have problems, please submit a ticket so we can help:
remote: http://help.heroku.com
remote:
remote: Thanks,
remote: Heroku
remote:
remote: ! Push rejected, failed to compile Scala app.
remote:
remote: ! Push failed
remote: Verifying deploy...
remote:
remote: ! Push rejected to h2-sbt101.
remote:
To https://git.heroku.com/h2-sbt101.git
! [remote rejected] master -> master (pre-receive hook declined)
我在这里缺少什么？
git push heroku master
告诉 Git 推送您的本地master分支，但您说您的代码在该m5分支中。您可以告诉 Git 将您的本地推m5送到 Heroku master（它构建的唯一分支），如下所示：
git push heroku m5:master
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