diff --git a/.travis.yml b/.travis.yml
index ce3402ecf..93c52939a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,13 +4,11 @@ os:
   - osx
 install:
   - |-
-    path="$(pwd)"; cd;
-    git clone https://github.com/rednex/rgbds &&
-    cd rgbds &&
-    sudo make install && 
-    cd - && 
-    rm -rf rgbds && 
-    cd "$path"
+    ( cd
+        git clone --depth=1 https://github.com/rednex/rgbds
+        sudo make -C rgbds CFLAGS=-O2 install
+        rm -rf rgbds
+    )
 before_script:
   - |-
     function check_status() {
@@ -24,4 +22,7 @@ script:
   - make -j2 compare
   - check_status
 after_success:
-  - .travis/webhook.sh
+  - |-
+    if [ "$TRAVIS_BRANCH" = master -a "$TRAVIS_PULL_REQUEST" = false -a "$TRAVIS_OS_NAME" = linux ]; then
+        ./.travis/webhook.sh
+    fi
diff --git a/.travis/webhook.sh b/.travis/webhook.sh
index 032e2231a..3fe33bff0 100755
--- a/.travis/webhook.sh
+++ b/.travis/webhook.sh
@@ -1,13 +1,10 @@
 #!/bin/sh
+set -e
 
-# Only run this script if it's the master branch build.
-[ "$TRAVIS_BRANCH" != 'master' -o "$TRAVIS_PULL_REQUEST" != 'false' ] && exit
-
-root="$(realpath "$(dirname "$0")/..")"
-content=""
+root="$(readlink -e "$(dirname "$0")/..")"
 
 # Report unnamed symbols
-content+="$("$root/tools/unnamed.py" -r "$root" "$root/pokecrystal.sym" | grep -v -e '^lib/mobile/' -e '^mobile/' | head)"
+content="$("$root/tools/unnamed.py" -r "$root" "$root/pokecrystal.sym" | grep -v -e '^lib/mobile/' -e '^mobile/' | head)"
 
 curl -H 'Content-Type: application/json' -X POST "$POKECRYSTAL_DISCORD_WEBHOOK_URL" -d@- << EOF
 {