Merge pull request #163 from loic425/features/run-infection-only-on-c…

…hanged-files

Run infection only on changed files

etc/travis/suites/application/script/test-infection

@@ -2,7 +2,19 @@
 
 source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/../../../../bash/common.lib.sh"
 
+
+if [[ "${TRAVIS_PULL_REQUEST}" == "false" ]]; then
+    INFECTION_FILTER="";
+else
+    git remote set-branches --add origin $TRAVIS_BRANCH;
+    git fetch;
+    CHANGED_FILES=$(git diff origin/$TRAVIS_BRANCH --diff-filter=AM --name-only | grep src/ | paste -sd "," -);
+    INFECTION_FILTER="--filter=${CHANGED_FILES} --ignore-msi-with-no-mutations";
+
+    echo "CHANGED_FILES=$CHANGED_FILES";
+fi
+
 INFECTION_FLAGS='--threads=4 --min-msi=30 --min-covered-msi=75'
 
 print_header "Testing (Infection)" "AppName"
-run_command "phpdbg -qrr vendor/bin/infection $INFECTION_FLAGS"
+run_command "phpdbg -qrr vendor/bin/infection $INFECTION_FLAGS $INFECTION_FILTER"