Cannot create RepositoryFile due to "sha" wasn't supplied. []

[nesl247]

pulumi up -s LinioIT/global
Previewing update (LinioIT/global):
     Type                            Name                 Plan
     pulumi:pulumi:Stack             api-skeleton-global
 +   └─ github:index:RepositoryFile  mergeable            create

Resources:
    + 1 to create
    10 unchanged

Do you want to perform this update? yes
Updating (LinioIT/global):
     Type                            Name                 Status                  Info
     pulumi:pulumi:Stack             api-skeleton-global  **failed**              1 error
 +   └─ github:index:RepositoryFile  mergeable            **creating failed**     1 error

Diagnostics:
  pulumi:pulumi:Stack (api-skeleton-global):
    error: update failed

  github:index:RepositoryFile (mergeable):
    error: PUT https://api.github.com/repos/LinioIT/api-skeleton/contents/.github/mergeable.yml: 422 Invalid request.

    "sha" wasn't supplied. []

Resources:
    10 unchanged

Duration: 11s

[nesl247]

https://github.com/terraform-providers/terraform-provider-github/issues/438

[hcharley]

I've bumped into this too, just to give context on impact.

 
  github:index:RepositoryFile (services:files:README-md):
    error: PUT https://api.github.com/repos/xxx/ops-services/contents/README.md: 422 Invalid request.
    
    "sha" wasn't supplied. []

[mikhailshilkov]

Unfortunately, the link to the upstream issue doesn't work anymore. Since the issue is three years old, received no additional comments and has no repro, I'll close it as non-actionable