[Build Process] Intermittent error when using execSync to get git rev and branch info

[jvigliotta]

Summary

Sometimes, when including Open MCT as a dependency, there are errors (see image at end of issue). This seems to be due to using execSync during the build process to get the git revision and git branch information. (an explanation can be found here: lerna/lerna#763 (comment)).

Expected vs Current Behavior

Consistently build without errors, currently you cannot build if you encounter this error.

Steps to Reproduce

1. Not entirely sure. I think it has do do with uncommitted changes in a branch, but not positive.

Impact Check List

• Data loss or misrepresented data?
• Regression? Did this used to work or has it always been broken?
• Is there a workaround available?
• Does this impact a critical component?
• Is this just a visual bug with no functional impact?
• Does this block the execution of e2e tests?
• Does this have an impact on Performance?

Additional Information

[jvigliotta]

closed by #5433

[unlikelyzero]

Difficult to reproduce. Closing. Should re-open