Integrated: 1950: Don't run the second jcheck if there is no .jcheck/conf in source branch

[Zhao Song]

On Thu, 15 Jun 2023 20:49:14 GMT, Zhao Song <zsong at openjdk.org> wrote:

> [SKARA-1937](https://bugs.openjdk.org/browse/SKARA-1937) triggered CheckWorkItem for many “ancient” prs and if the pr’s source branch doesn’t contain .jcheck/conf , it would trigger the second run of jcheck and then throw some exceptions.
> 
> In this patch, before the bot runs the second round of jcheck, it will check if .jcheck/conf exists in the "merge" branch.

This pull request has now been integrated.

Changeset: 8a63cc27
Author:    Zhao Song <zsong at openjdk.org>
URL:       https://git.openjdk.org/skara/commit/8a63cc27a1041498941310ea7757fc5bd60d06d3
Stats:     7 lines in 2 files changed: 1 ins; 0 del; 6 mod

1950: Don't run the second jcheck if there is no .jcheck/conf in source branch

Reviewed-by: erikj

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PR: https://git.openjdk.org/skara/pull/1533