factor/extra/contributors/contributors.factor

! Copyright (C) 2007, 2008 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: io io.directories io.encodings.ascii io.launcher
io.pathnames math.statistics prettyprint sequences sorting
system ;
IN: contributors

: changelog ( -- authors )
    image parent-directory [
        "git log --no-merges --pretty=format:%an"
        ascii [ lines ] with-process-reader
    ] with-directory ;

: contributors ( -- )
    changelog histogram
    sort-values <reversed>
    simple-table. ;

MAIN: contributors