Install ci-tools and get tokstyle via the script it provides.

.travis/cmake-linux

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 ACTION="$1"
 
@@ -8,22 +8,11 @@ CACHEDIR="$HOME/cache"
 NPROC=`nproc`
 ASTYLE="$CACHEDIR/astyle/build/gcc/bin/astyle"
 ASTYLE_VERSION=3.1
-
+TRAVIS_TOOL="https://raw.githubusercontent.com/TokTok/ci-tools/master/bin/travis-haskell"
-install_tool() {
-  SLUG="$1"
-  TOOL="$2"
-  TARGET="$3"
-
-  VERSION=$(curl -L -s -H 'Accept: application/json' \
-    "https://github.com/$SLUG/releases/latest" \
-    | egrep -o '"v[0-9][^"]+"' \
-    | egrep -o '[^"]+')
-  URL="https://github.com/$SLUG/releases/download/$VERSION/$TOOL-x86_64-linux-$VERSION.tar.gz"
-  curl -L -s "$URL" | tar xzv -C "$TARGET"
-}
 
 travis_install() {
-  install_tool TokTok/hs-tokstyle tokstyle "$HOME/.local"
+  bash <(curl -s "$TRAVIS_TOOL") download
+  travis-haskell download TokTok/hs-tokstyle tokstyle "$HOME/.local"
 
   which coveralls || {
     # Install cpp-coveralls to upload test coverage results.
@@ -48,7 +37,7 @@ run_static_analysis() {
   pylint -E other/analysis/check_recursion
 
   export CPPFLAGS="-isystem $CACHEDIR/include"
-  export LDFLAGS="-L $CACHEDIR/lib"
+  export LDFLAGS="-L$CACHEDIR/lib"
   cat toxav/*.c toxcore/*.c toxencryptsave/*.c \
     | clang `pkg-config --cflags libsodium opus vpx` \
         -Itoxav -Itoxcore -Itoxencryptsave -S -emit-llvm -xc - -o- \

other/astyle/format-source

@@ -35,10 +35,10 @@ FROM_JSON='s/\\"/"/g;s/^"(.*)"$/$1/;s/\\\\/\\/g;s/\\n/\n/g'
 
 apidsl_request() {
   TMPFILE=$(mktemp /tmp/apidsl.XXXXXX)
-  curl -o "$TMPFILE" -X POST --data @<(
+  curl -s -o "$TMPFILE" -X POST --data @<(
     echo '["Request",';
     cat $2;
-    echo ']') https://apidsl2.herokuapp.com/$1
+    echo ']') https://apidsl.herokuapp.com/$1
   if grep '\[1,"' "$TMPFILE" > /dev/null; then
     echo "Error: $(grep -o '".*"' /tmp/apidsl-$$ | perl -0777 -pe "$FROM_JSON")" >&2
     rm "$TMPFILE"
@@ -49,12 +49,14 @@ apidsl_request() {
 }
 
 apidsl_curl() {
+  echo "apidsl_curl $@" >&2
   apidsl_request "c" <(
     apidsl_request "parse" <(
       perl -0777 -pe "$TO_JSON" $1)) | perl -0777 -pe "$FROM_JSON"
 }
 
 # Check if apidsl generated sources are up to date.
+set +x
 $APIDSL toxcore/LAN_discovery.api.h > toxcore/LAN_discovery.h &
 $APIDSL toxcore/crypto_core.api.h > toxcore/crypto_core.h &
 $APIDSL toxcore/ping.api.h > toxcore/ping.h &
@@ -62,6 +64,7 @@ $APIDSL toxcore/ping_array.api.h > toxcore/ping_array.h &
 $APIDSL toxcore/tox.api.h > toxcore/tox.h &
 $APIDSL toxav/toxav.api.h > toxav/toxav.h &
 $APIDSL toxencryptsave/toxencryptsave.api.h > toxencryptsave/toxencryptsave.h &
+set -x
 
 wait; wait; wait; wait; wait; wait; wait