Created
August 13, 2015 22:46
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Find the last page of commits to master for a given github repository
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#!/usr/bin/env ruby | |
user, repo = ARGV | |
if `which curl`.length == 0 | |
puts "please install curl" | |
exit 1 | |
end | |
repo_loc = "https://github.com/#{user}/#{repo}" | |
base_url = "#{repo_loc}/commits/master?page=" | |
def is_404(url) | |
`curl -s --head #{url} | head -n1` =~ /404 Not Found/ | |
end | |
if is_404(repo_loc) | |
puts "#{user} #{repo} could not be found on GitHub" | |
exit 2 | |
end | |
lo = 1 | |
hi = 500 | |
while lo <= hi do | |
page_num = (lo+hi)/2 | |
if is_404 "#{base_url}#{page_num}" | |
puts "didn't find #{page_num}" | |
hi = page_num - 1 | |
minus = 1 | |
else | |
puts "found #{page_num}" | |
lo = page_num + 1 | |
minus = 0 | |
end | |
end | |
puts "#{base_url}#{page_num-minus}" |
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