Re: [PATCH v2 5/8] contrib: cc-cmd: add option to parse from committish

> For example master..feature-a.
>
> Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
> ---
>  contrib/cc-cmd/git-cc-cmd | 36 ++++++++++++++++++++++++++++++++++--
>  1 file changed, 34 insertions(+), 2 deletions(-)
>
> diff --git a/contrib/cc-cmd/git-cc-cmd b/contrib/cc-cmd/git-cc-cmd
> index f13ed8f..462f22c 100755
> --- a/contrib/cc-cmd/git-cc-cmd
> +++ b/contrib/cc-cmd/git-cc-cmd
> @@ -5,11 +5,13 @@ require 'optparse'
>  $since = '3-years-ago'
>  $min_percent = 5
>  $show_commits = false
> +$files = []
> +$rev_args = []
>  
>  begin
>    OptionParser.new do |opts|
>      opts.program_name = 'git cc-cmd'
> -    opts.banner = 'usage: git cc-cmd [options] <files>'
> +    opts.banner = 'usage: git cc-cmd [options] <files | rev-list options>'
>  
>      opts.on('-p', '--min-percent N', Integer, 'Minium percentage of role participation') do |v|
>        $min_percent = v
> @@ -134,10 +136,40 @@ class Commits
>      end
>    end
>  
> +  def from_rev_args(args)
> +    return if args.empty?
> +    source = nil
> +    File.popen(%w[git rev-list --reverse] + args) do |p|
> +      p.each do |e|
> +        id = e.chomp
> +        @main_commits[id] = true
> +        File.popen(%w[git --no-pager show -C --oneline] + [id]) do |p|

> +          p.each do |e|
> +            case e
> +            when /^---\s+(\S+)/
> +              source = $1 != '/dev/null' ? $1[2..-1] : nil
> +            when /^@@\s-(\d+),(\d+)/
> +              get_blame(source, $1, $2, id)
> +            end
> +          end
> +        end
> +      end
> +    end
> +  end
> +
> +end
> +
> +ARGV.each do |e|
> +  if File.exists?(e)
> +    $files << e
> +  else
> +    $rev_args << e
> +  end
>  end
>  
>  commits = Commits.new
> -commits.from_patches(ARGV)
> +commits.from_patches($files)
> +commits.from_rev_args($rev_args)
>  commits.import
>  
>  if $show_commits