Make core and diff debugging more portable

Author: jmikola

.travis.scripts/debug-core.sh

@@ -1,5 +1,10 @@
 #!/bin/sh
 
-PHP=/home/travis/.phpenv/versions/`php -r 'echo PHP_VERSION;'`/bin/php
-echo "backtrace full" | gdb $PHP $1
+if [ "${TRAVIS_OS_NAME}" != "osx" ]; then
+    # https://www.ics.uci.edu/~pattis/common/handouts/macmingweclipse/allexperimental/mac-gdb-install.html
+    echo "Cannot debug core files on macOS: ${1}"
+    exit 1
+fi
 
+PHP_BINARY=`which php`
+gdb -batch -ex "bt full" -ex "quit" "${PHP_BINARY}" "${1}"

.travis.scripts/debug-diff.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+EXP=`echo $1 | sed 's/.diff$/.exp/'`
+OUT=`echo $1 | sed 's/.diff$/.out/'`
+SEP="--------------------------------------------------------------------------------"
+
+echo $EXP
+echo $SEP
+cat $EXP; echo
+echo $SEP; echo
+
+echo $OUT
+echo $SEP
+cat $OUT; echo
+echo $SEP; echo

.travis.scripts/debug-script.sh

@@ -33,5 +33,5 @@ after_success:
   - make coveralls
 
 after_failure:
-  - find . -name \*core\* -exec ./.travis.scripts/debug-core.sh {} \;
-  - find . -name \*diff -exec ./.travis.scripts/debug-script.sh {} \;
+  - find . -name 'core*' -exec .travis.scripts/debug-core.sh {} \;
+  - find . -name '*.diff' -exec .travis.scripts/debug-diff.sh {} \;