Improved after_failure script [skip appveyor]

Author: sergeyklay

.ci/after-failure.sh

@@ -7,39 +7,38 @@
 # For the full copyright and license information, please view
 # the LICENSE file that was distributed with this source code.
 
-$(phpenv which php) -v
-$(phpenv which php) -m
-
-PROJECT_ROOT=$(readlink -enq "$(dirname $0)/../")
-cd ${PROJECT_ROOT}
+# -e  Exit immediately if a command exits with a non-zero status.
+# -u  Treat unset variables as an error when substituting.
+set -eu
 
 shopt -s nullglob
 
-for i in `find ./tests -name "*.out" 2>/dev/null`; do
-	echo "-- START ${i}"; cat ${i}; echo "-- END";
-done
-
-for i in `find ./tests -name "*.mem" 2>/dev/null`; do
-	echo "-- START ${i}"; cat ${i}; echo "-- END";
-done
-
-if [ -f "./configure.log" ]; then
-	cat "./configure.log"
-fi
-
-ls -al ${PROJECT_ROOT}
-
 export LC_ALL=C
 
-for i in core core.*; do
-	if [ -f "$i" -a "$(file "$i" | grep -o 'core file')" ]; then
-		gdb -q $(file "${i}" | grep -oE "'[^ ']+" | sed "s/^'//g") "$i" <<EOF
+while IFS= read -r -d '' file
+do
+  (( count++ ))
+  (>&1 printf ">>> START (%d)\\n%s\\n<<< END (%d)\\n\\n" $count "$(cat "$file")" $count)
+done < <(find ./tests -type f \( -name '*.out' -o -name '*.mem' \) -print0)
+
+# for some reason Ubuntu 18.04 on Travis CI doesn't install gdb
+function install_gdb() {
+  if [ "${CI}" = "true" ] && [ "$(command -v gdb 2>/dev/null)" = "" ]
+  then
+    (>&1 echo "Install gdb...")
+    sudo apt-get install --no-install-recommends --quiet --assume-yes gdb 1> /dev/null
+  fi
+}
+
+for i in /tmp/core.php.*; do
+  install_gdb
+	(>&1 printf "Found core dump file: %s\\n\\n" "$i")
+  gdb -q "$(phpenv which php)" "$i" <<EOF
 set pagination 0
 backtrace full
 info registers
 x/16i \$pc
 thread apply all backtrace
 quit
 EOF
-	fi
 done

.travis.yml

@@ -45,6 +45,7 @@ cache:
 before_install:
   - phpenv config-rm xdebug.ini || true
   - ulimit -c unlimited -S || true
+  - echo '/tmp/core.%e.%p.%t' | sudo tee /proc/sys/kernel/core_pattern
 
 install:
   - .ci/install-re2c.sh
@@ -74,6 +75,8 @@ script:
   - make test NO_INTERACTION=1 REPORT_EXIT_STATUS=1 TEST_PHP_ARGS=-m
 
 after_failure:
+  - echo "$($(phpenv which php) -v)"
+  - echo "$($(phpenv which php) -m)"
   - .ci/after-failure.sh
 
 after_success: