Add new git utility script and an alias

dotfiles/gittum/bin/whoo

@@ -0,0 +1,16 @@
+#!/bin/bash
+#
+# totally sniff every line in history to see whose
+# are the lines here
+
+
+path="${1:-}"
+maybe_path=""
+test -n "$path" && maybe_path="-- $path"
+
+git ls-tree -r -z --name-only HEAD $maybe_path \
+  | xargs -0 -n1 git blame --line-porcelain HEAD \
+  | grep  "^author " \
+  | sort \
+  | uniq -c \
+  | sort -nr

dotfiles/gittum/main.gitconfig

@@ -39,6 +39,7 @@
   st = status
   sh = show
   who = ! ~/.gittum/bin/who
+  whoo = ! ~/.gittum/bin/whoo
 
 [tag]
     sort = version:refname