irc.gitbot: simple IRC bot which tracks git commits, work in progress

extra/irc/gitbot/gitbot.factor

@@ -0,0 +1,55 @@
+! Copyright (C) 2008 Slava Pestov.
+! See http://factorcode.org/license.txt for BSD license.
+USING: fry irc.client irc.client.private kernel namespaces
+sequences threads io.encodings.8-bit io.launcher io splitting
+make mason.common mason.updates calendar math alarms ;
+IN: irc.gitbot
+
+: bot-profile ( -- obj )
+    "irc.freenode.org" 6667 "jackass" f <irc-profile> ;
+
+: bot-channel ( -- seq ) "#concatenative" ;
+
+GENERIC: handle-message ( msg -- )
+
+M: object handle-message drop ;
+
+: bot-loop ( chat -- )
+    dup hear handle-message bot-loop ;
+
+: start-bot ( -- chat )
+    bot-profile <irc-client>
+    [ connect-irc ]
+    [
+        [ bot-channel <irc-channel-chat> dup ] dip
+        '[ _ [ _ attach-chat ] [ bot-loop ] bi ]
+        "GitBot" spawn drop
+    ] bi ;
+
+: git-log ( from to -- lines )
+    [
+        "git-log" ,
+        "--no-merges" ,
+        "--pretty=format:%h %an: %s" ,
+        ".." swap 3append ,
+    ] { } make
+    latin1 [ input-stream get lines ] with-process-reader ;
+
+: updates ( from to -- lines )
+    git-log reverse
+    dup length 4 > [ 4 head "... and more" suffix ] when ;
+
+: report-updates ( from to chat -- )
+    [ updates ] dip
+    [ 1 seconds sleep ] swap
+    '[ _ speak ] interleave ;
+
+: check-for-updates ( chat -- )
+    [ git-id git-pull-cmd short-running-process git-id ] dip
+    report-updates ;
+
+: bot ( -- )
+    start-bot
+    '[ _ check-for-updates ] 5 minutes every drop ;
+
+MAIN: bot