Reduce log volume with pecl install

Author: BanzaiMan

bin/compile-extensions-common

@@ -33,9 +33,8 @@ function pecl_install() {
     if [ $return = 0 ] || [ -f "$(pecl config-get ext_dir)/${extension}.so" ]; then
         echo "Extension ${extension} was already installed for PHP ${VERSION}."
     elif [ $return = 1 ]; then
-        result=$(pecl install ${extension})
-        last_line=$(echo $result | tail -1)
-        if [[ "$last_line" =~ failed ]]; then
+        pecl install -q ${extension} | tee ${extension}-install.log
+        if (tail -1 ${extension}-install.log | grep failed); then
           echo "There was an error installing extension ${extension} for PHP ${VERSION}:"
           echo "$result"
           set -o errexit