Find some Git commits and print out the subject and GitHub link

find-github-commits.sh

#!/bin/bash

if [ "$#" == "0" ]; then
    echo "Usage: find-github-commits issue-number"
    exit 1
fi

repo=$(git config --get remote.origin.url | cut -d ':' -f 2 | sed 's/....$//')

for commit in $(git rev-list --reverse origin/master)
do
    if git log --format=%B -n 1 $commit | grep --silent "\?id\=$1$"; then
        git log --format=%s -n 1 $commit
        echo "https://github.com/$repo/commit/$(git log --format=%H -n 1 $commit | cut -c 1-10)"
        echo
    fi
done