RFR: 2056: Improve logging of external commands

[Zhao Song]

On Tue, 10 Oct 2023 18:45:21 GMT, Erik Joelsson <erikj at openjdk.org> wrote:

> In order to make it easier to analyze bot behavior, I would like to add the working directory to log messages when running external commands. Most external commands are git performing operations on a local repository and by including the directory in the log message, we can easily see which repository the git command is operating on.

Marked as reviewed by zsong (Reviewer).

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PR Review: https://git.openjdk.org/skara/pull/1567#pullrequestreview-1668617475