A replacement for GitHub code search

rg-gh.bash

#!/usr/bin/env bash


# rg-gh, a replacement for GitHub code search.
# --------------------------------------------
# Uses ripgrep (rg) to search, skim (sk) and bat to select a result, 
# then prints a link to it on GitHub's website.
#
# To install the necessary dependencies:
# cargo install ripgrep -F pcre2
# cargo install skim
# cargo install bat
#


query="$1"
[[ -z "$query" ]] && { echo "Usage: $(basename "$0") PATTERN"; exit 1; }

# Run ripgrep, pipe to skim for selection
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
[[ -z "$result" ]] && exit 0

# Returns the URL for the first GitHub hosted remote for the current repo
function github_remote_url {
    for remote in $(git remote); do
        local url=$(git remote get-url "$remote")
        if [[ "$url" == *"github.com"* ]]; then
            echo "$url"
            return
        fi
    done
}

# Given a "path:line", finds a github remote and generates a link to the location there
function mk_github_link {
    local IFS=':'
    local args=($1)
    local url=$(github_remote_url | sed -E 's#(git@github\.com:|https://github\.com/)(.*)\.git#https://github.com/\2#')

    branch=$(git rev-parse --abbrev-ref HEAD)
    echo "${url}/blob/${branch}/${args[0]}#L${args[1]}"
}

mk_github_link "$result"