R4R: Print commit ID in hex

[alexanderbez]

closes: #2912

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• Targeted PR against correct branch (see CONTRIBUTING.md)

• Linked to github-issue with discussion and accepted design OR link to spec that describes this work.

• Wrote tests

• Updated relevant documentation (docs/)

• Added entries in PENDING.md with issue #

• rereviewed Files changed in the github PR explorer

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For Admin Use:

• Added appropriate labels to PR (ex. wip, ready-for-review, docs)
• Reviewers Assigned
• Squashed all commits, uses message "Merge pull request #XYZ: [title]" (coding standards)

[cwgoes]

ACK

[codecov]

Codecov Report

Merging #2917 into develop will decrease coverage by 0.07%.
The diff coverage is 100%.

@@             Coverage Diff             @@
##           develop    #2917      +/-   ##
===========================================
- Coverage     56.4%   56.33%   -0.08%     
===========================================
  Files          120      120              
  Lines         8416     8416              
===========================================
- Hits          4747     4741       -6     
- Misses        3347     3353       +6     
  Partials       322      322