Adding `--first-parent` ensures that only commits from the master branch are used when showing the history. I've verified this change directly by comparing the `rev-list` output for `703105c..97df5c45`: ```console $ git rev-list --merges 703105c...97df5c4 |
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|---|---|---|
| .. | ||
| appearance.bash | ||
| composure.bash | ||
| helpers.bash | ||
| history.bash | ||
| preexec.bash | ||
| preview.bash | ||
| search.bash | ||