Delta

Delta is a syntax-highlighting pager for git and diff output that makes code reviews more pleasant.

Features #

• Syntax highlighting - Language-aware highlighting of diffs
• Side-by-side view - Compare old and new versions
• Git integration - Works as git pager
• Customizable - Themes, colors, and layout options
• Fast - Written in Rust

Setup #

Install via package manager:

# Via mise (recommended)
mise install delta

# Ubuntu/Debian
# Download .deb from GitHub releases

# Arch Linux
sudo pacman -S git-delta

# macOS
brew install git-delta

Git Integration #

Add to ~/.gitconfig:

[core]
    pager = delta

[interactive]
    diffFilter = delta --color-only

[delta]
    features = side-by-side line-numbers decorations
    syntax-theme = Dracula
    plus-style = "syntax #003800"
    minus-style = "syntax #3f0001"

[delta "decorations"]
    commit-decoration-style = bold yellow box ul
    file-style = bold yellow ul
    file-decoration-style = none
    hunk-header-decoration-style = cyan box ul

[delta "line-numbers"]
    line-numbers-left-style = cyan
    line-numbers-right-style = cyan
    line-numbers-minus-style = 124
    line-numbers-plus-style = 28

Usage #

Once configured, Delta works automatically:

# Any git diff command
git diff
git show
git log -p
git stash show -p

Standalone #

Use Delta with any diff:

diff -u file1 file2 | delta

Key Bindings (in less) #

Since Delta uses less as the pager:

Themes #

Delta supports bat themes:

# List available themes
delta --list-themes

# Use specific theme
delta --syntax-theme=OneHalfDark

Features Options #

# Side-by-side vs unified
delta --side-by-side
delta --no-side-by-side

# Show/hide line numbers
delta --line-numbers
delta --no-line-numbers

# Navigate with n/N
delta --navigate

See Also #

GitHub - dandavison/delta: A syntax-highlighting pager for git, diff, grep, and blame output

A syntax-highlighting pager for git, diff, grep, and blame output - dandavison/delta

GitHub · github.com