delta – viewer for git and diff output

Delta is a viewer for git and diff output.

The program allows you to make extensive changes to the layout and styling of diffs, as well as allowing you to stay arbitrarily close to the default git/diff output.

This is free and open source software.

Features include:

  • Language syntax highlighting with color themes.
  • Within-line highlights based on a Levenshtein edit inference algorithm.
  • Git style strings (foreground color, background color, font attributes) are supported for >20 stylable elements.
  • Side-by-side view. By default, side-by-side view has line-numbers activated, and has syntax highlighting in both the left and right panels
  • Line numbering.
  • diff-highlight and diff-so-fancy emulation modes. diff-highlight is a perl script distributed with git that allows within-line edits to be identified and highlighted according to colors specified in git config. diff-so-fancy builds on diff-highlight, making various additional improvements to the default git diff output. Both tools provide very helpful ways of viewing diffs, and so delta provides emulation modes for both of them.
  • Stylable box/line decorations to draw attention to commit, file and hunk header sections.
  • Support for Git’s –color-moved feature.
  • Code can be copied directly from the diff (-/+ markers are removed by default).
  • n and N keybindings to move between files in large diffs, and between diffs in log -p views (–navigate).

Developer: Dan Davison
License: MIT License

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delta is written in Rust. Learn Rust with our recommended free books and free tutorials.

Return to Console-Based Diff Tools Home Page

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