Variable registration step, ignore_errors, and idempotency

[Synaesthete]

I'm writing a playbook that runs an initial git commit on a folder if there has not yet been a commit. I check this using:

- name: Get commit count

  command: git rev-list HEAD --count chdir={{ project_path }}

  ignore_errors: yes

  register: git_commit_count

If there have been no commits, this command returns an error, in which case I then conditionally run a few other git-related steps. I have two issues with this:

1. Even if the error is ignored, it is still reported in the log display even if I have not enabled verbose mode
2. This step always reports "changed" which breaks my idempotency check that ensures changed=0 on a second run

Is there a good way to work around this? Can I take this step "off the record"?

[Michael DeHaan]

Instead of ignore_errors: True, consider:

failed_when: False

The reporting of changed always can be fixed with

changed_when: False

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[Synaesthete]

Perfect, exactly what I needed. Thanks!