How to output git log with the first line only?

Question

I am trying to customize the format for git log. I want all commits to be shown in one line. Each line should only show the first line of the commit message.
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Answer 1

You can define a global alias so you can invoke a short log in a more comfortable way:

git config --global alias.slog "log --pretty=oneline --abbrev-commit"

Then you can call it using git slog (it even works with autocompletion if you have it enabled).