diff --git a/fih.py b/fih.py
index b4a4958..fb065b4 100644
--- a/fih.py
+++ b/fih.py
@@ -3,6 +3,16 @@ from flask import Flask, request
 import os
 import incident
 import datetime
+import subprocess
+import re
+
+
+def strip_ansi( text, escape = re.compile( r'\x1B\[[0-?]*[ -/]*[@-~]' ) ):
+    return escape.sub( '', text )
+
+def strip_progress( text, escape = re.compile( r'\r[^\n]*\n' ) ):
+    return escape.sub( '', text )
+
 
 app = Flask( __name__ )
 app.config.from_envvar( 'FIH_SETTINGS' )
@@ -96,9 +106,70 @@ Again, after setting the headline status you must: **@FIH PUBLISH**
         return "Invalid command token."
 
 @app.route( '/mattermost/fih', methods = [ 'POST' ] )
-def mattermost_fig():
-    print( repr( request.form ) )
-    return "Whaaat?"
+def mattermost_fih():
+    # text: @FIH PUBLISH
+    # file_ids:
+    # user_name: marek
+    # trigger_word: @FIH
+    # channel_name: incident201806158693
+    # timestamp: 1529100914
+    # channel_id: zq61mk8ig7rmibtbyqf4babhfr
+    # team_id: 3woo8mbjrbb1in53xwdzi4ynqh
+    # token: nn54y4ozbtnzb8pri3c4gdhbce
+    # user_id: ko3uxmend7ne8ger4uw9mxkt1o
+    # team_domain: faelix
+    # post_id: 8cxn8yeyepyczcfbazdsd1bonw
+
+    if request.form[ 'token' ] in app.config[ 'MATTERMOST_WEBHOOK_TOKENS' ]:
+        cmd = request.form[ 'text' ].strip().split()[ 1 ].upper()
+
+        app.mm.posts.create_post( options = { 'channel_id': request.form[ 'channel_id' ],
+                                              'message': "Executing " + cmd + "...",
+                                              } )
+
+        if cmd == "PUBLISH":
+            for push_to in app.config[ "GROW_DEPLOY_TO" ]:
+                cmdline = app.config[ "GROW_BIN" ] + " deploy -f " + push_to
+                results = "`" + cmdline + "`:\n\n```\n"
+
+                process = subprocess.Popen( cmdline, shell = True, cwd = app.config[ "STATUS_ROOT" ], stdout = subprocess.PIPE, stderr = subprocess.PIPE )
+
+                results += strip_progress( strip_ansi( process.stdout.read().decode( 'ascii', 'ignore' ) ) ).replace( "```", "` ` `" )
+                results += "```\n"
+                stderr = strip_progress( strip_ansi( process.stderr.read().decode( 'ascii', 'ignore' ) ) )
+                if stderr:
+                    results += "\n\n```\n" + stderr.replace( "```", "` ` `" ) + "```\n"
+
+                app.mm.posts.create_post( options = { 'channel_id': request.form[ 'channel_id' ],
+                                                      'message': results,
+                                                      } )
+
+        elif cmd == "START":
+            pass
+        elif cmd == "ETR":
+            pass
+        elif cmd == "RESOLVED":
+            pass
+        elif cmd == "CLOSED":
+            pass
+        elif cmd == "TIMELINE":
+            pass
+        elif cmd == "INCIDENT":
+            pass
+        elif cmd == "DEGRADED":
+            pass
+        elif cmd == "MAINTENANCE":
+            pass
+        elif cmd == "NOTICE":
+            pass
+        elif cmd == "OK":
+            pass
+        else:
+            return "WTF command?"
+
+        return "OK"
+    else:
+        return "Invalid command token."
     
 @app.route( '/' )
 def hello_world():