Add new custom sub-command: who

dotfiles/gittum/bin/who

@@ -0,0 +1,12 @@
+#!/bin/bash
+#
+# see whose tracks are most visible here
+
+path="${1:-.}"
+
+git log --pretty=format:%ae -- "$path" \
+  | sort \
+  | uniq -c \
+  | sort -n \
+  | tac \
+  | head

dotfiles/gittum/main.gitconfig

@@ -38,3 +38,4 @@
   sibling = ! ~/.gittum/bin/sibling
   st = status
   sh = show
+  who = ! ~/.gittum/bin/who