Felipe Contreras <felipe.contre...@gmail.com> writes:

> For example master..feature-a.
>
> Signed-off-by: Felipe Contreras <felipe.contre...@gmail.com>
> ---
>  contrib/related/git-related | 38 ++++++++++++++++++++++++++++++++++++--
>  1 file changed, 36 insertions(+), 2 deletions(-)
>
> diff --git a/contrib/related/git-related b/contrib/related/git-related
> index 3379982..20eb456 100755
> --- a/contrib/related/git-related
> +++ b/contrib/related/git-related
> @@ -1,10 +1,12 @@
>  #!/usr/bin/env ruby
>  
>  # This script finds people that might be interested in a patch
> -# usage: git related <files>
> +# usage: git related <files | rev-list options>
>  
>  $since = '5-years-ago'
>  $min_percent = 10
> +$files = []
> +$rev_args = []
>  
>  class Commit
>  
> @@ -102,10 +104,42 @@ class Commits
>      end
>    end
>  
> +  def from_rev_args(args)
> +    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 show -C --oneline] + [id]) do |p|

Is there a solid design choice behind -C, or is it just what happens
to have worked for you in practice?  If the former, it may want to
be explained somewhere (either in the log or in the code) so that
later tweaks will not break it, especially given that the invocation
of blame seems to use double-C's.

> +          p.each do |e|
> +            case e
> +            when /^---\s+(\S+)/
> +              source = $1 != '/dev/null' ? $1[2..-1] : nil
> +            when /^@@ -(\d+)(?:,(\d+))?/
> +              get_blame(source, $1, $2, id) if source
> +            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)
> +if $files.empty?
> +  commits.from_rev_args($rev_args)
> +else
> +  commits.from_patches($files)
> +end
>  commits.import
>  
>  count_per_person = Hash.new(0)
--
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