add git-cc

Signed-off-by: Florian Pritz <bluewind@xssn.at>

1 files changed, 33 insertions, 0 deletions

diff --git a/git-cc b/git-cc
new file mode 100755
index 0000000..1fb4d5c
--- /dev/null
+++ b/git-cc
@@ -0,0 +1,33 @@
+#!/usr/bin/env ruby
+
+@authors = {}
+
+def parse_blame(line)
+  key, value = line.split(" ", 2)
+  case key
+  when "author"
+    @name = value
+  when "author-mail"
+    @mail = value
+    author = "\"#{@name}\" #{@mail}"
+    @authors[author] = true
+  end
+end
+
+ARGV.each do |filename|
+  patch_file = File.open(filename)
+  patch_file.each_line do |patch_line|
+    @from ||= patch_line[/From (\w+)/, 1]
+    case patch_line
+    when /^---\s+(\S+)/
+      @source = $1[2..-1]
+    when /^@@\s-(\d+),(\d+)/
+      blame = `git blame --incremental -L #{$1},+#{$2} #{@source} #{@from}^ | grep author`
+      blame.each_line { |l| parse_blame(l.chomp) }
+    end
+  end
+end
+
+@authors.each_key do |a|
+  puts a
+end
\ No newline at end of file