+
−#!/bin/sh
+
−count () {
+
−    hg log -k '> karma'  --template '{desc}\n' |
+
−    egrep '^<[^>]*> karma\'$1 |
+
−    fgrep -vix "<$2> karma$1 $2" |
+
−    cut -d' ' -f3 |
+
−    fgrep -cix "$2"
+
−}
+
−plus=$(count + "$1")
+
−minus=$(count - "$1")
+
−echo $(($plus-$minus))
+
−