Pretty git log in one line

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Mattias Geniar, August 25, 2015

Follow me on Twitter as @mattiasgeniar

If you type git log to see the commit history in a git repository, the standard output isn’t very terminal-friendly. It’s a lot of text, with very little information displayed on your screen. You can, however, change the output of your git log to be more condensed and show more output on the same screen size.

By default, a git log looks like this.

$ git log

commit 3396763626316124388f76be662bd941df591118
Author: Mattias Geniar <m@ttias.be>
Date:   Fri Aug 21 09:16:26 2015 +0200

    Add twitter link

commit c73bbc98b5f55e5a4dbfee8e0297e4e1652a0687
Author: Mattias Geniar <m@ttias.be>
Date:   Wed Aug 19 09:19:37 2015 +0200

    add facebook link

Each commit, with the date and author + the commit message. But boy, it takes up a lot of screen space.

A simple fix is to pass the --pretty=oneline parameter, which makes it all fit on a single line.

$ git log --pretty=oneline

3396763626316124388f76be662bd941df591118 Add twitter link
c73bbc98b5f55e5a4dbfee8e0297e4e1652a0687 add facebook link

It’s taking up less space, but missing crucial information like the date of the commit.

There are longer versions of that same --pretty parameter. In fact, it allows you to specify all the fields you want in the output.

$ git log --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit

* 3396763 - (HEAD, origin/master, master) Add twitter link (4 days ago) <Mattias Geniar>
* c73bbc9 - add facebook link (6 days ago) <Mattias Geniar>
* cb555df - More random values (6 days ago) <Mattias Geniar>
*   60e7bbf - Merge pull request #1 from TSchuermans/patch-1 (7 days ago) <Mattias Geniar>
|\
| * 8044a8f - Typo fix (7 days ago) <Tom Schuermans>
|/

The output is indented to show branch-points and merges. In colour, it looks like this.

git_log_oneline

To make life easier, you can can add a git alias so you don’t have to remember the entire syntax.

$ git config --global alias.logline "log --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit"
$ git logline

More data on the same screen real estate!



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