chore(travis): add deployment of git stats to the github pages

With all authors shown #3898 could be fixed.

.travis.yml

@@ -15,6 +15,13 @@ matrix:
       env: JOB=verify-commit-format
     - os: linux
       env: JOB=build-docs DOXYGEN_CONFIG_FILE=doxygen.conf
+    - os: linux
+      env: JOB=build-gitstats GITSTATS_DIR=gitstats
+      addons:
+        apt:
+          packages:
+            - gitstats
+    # the actual compilin'
     - os: linux
       env: JOB=build-ubuntu-14-04
     - os: osx
@@ -49,3 +56,8 @@ after_success:
   && test $TRAVIS_BRANCH == "master"
   && test $JOB == "build-docs"
   && bash ./.travis/deploy-docs.sh
+  ->
+  test $TRAVIS_PULL_REQUEST == "false"
+  && test $TRAVIS_BRANCH == "master"
+  && test $JOB == "build-gitstats"
+  && bash ./.travis/deploy-gitstats.sh

.travis/build-gitstats.sh

@@ -0,0 +1,53 @@
+#!/bin/bash
+#
+#    Copyright © 2016 The qTox Project Contributors
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Scripts for generating gitstats on travis
+#
+# Downloads current git repo, and builds its stats.
+
+# usage:
+#   ./$script
+
+# Fail as soon as an error appears
+set -eu -o pipefail
+
+
+# need to download whole history, since travis does only a shallow clone
+get_repo() {
+    git clone https://github.com/qTox/qTox.git
+}
+
+make_stats() {
+    gitstats \
+        -c authors_top=1000 \
+        -c max_authors=100000 \
+        qTox \
+        "$GITSTATS_DIR"
+}
+
+# check if at least something has been generated
+verify_exists() {
+    [[ -e "$GITSTATS_DIR/index.html" ]]
+}
+
+
+main() {
+    get_repo
+    make_stats
+    verify_exists
+}
+main

.travis/deploy-gitstats.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+#
+#    Copyright © 2016 The qTox Project Contributors
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+cd "$GITSTATS_DIR"
+COMMIT=$(cd qTox && git describe)
+
+git init --quiet
+git config user.name "Travis CI"
+git config user.email "qTox@users.noreply.github.com"
+
+git add .
+git commit --quiet -m "Deploy to GH pages from commit: $COMMIT"
+
+echo "Pushing to GH pages..."
+git push --force --quiet "https://${GH_TOKEN_GITSTATS}@github.com/qTox/gitstats.git" master:gh-pages &> /dev/null