A CLI replacement for GitHub code search.

rg-gh.sh

#!/bin/bash

# A CLI replacement for GitHub code search.
# Requires: ripgrep, skim (sk), and bat.


github_remote_url=$(gh repo view --json url --jq '.url')
if [[ -z "$github_remote_url" ]]; then
    echo "error: no github url for current repository."
    exit 1
fi

query="$1"
if [[ -z "$query" ]]; then
    echo "Usage: $(basename "$0") PATTERN"
    exit 1
fi

result=$(rg --line-number --column --no-heading --color=always "$query" |
             sk --ansi --delimiter ':' \
                --preview 'bat --style=numbers --color=always --highlight-line {2} {1}' \
                --preview-window 'up:+{2}-/2')

# Exit if no selection
if [[ -z "$result" ]]; then
    exit 0
fi

IFS=':' result=($result)
head_ref=$(git rev-parse --abbrev-ref HEAD)
prefix_path=$(git rev-parse --show-prefix)
link="${github_remote_url}/blob/${branch}/${prefix_path}${result[0]}#L${result[1]}"

# Markdown output
echo "[${result[0]} line ${result[1]}]($link)"