Fixup

tests/test.sh

@@ -2,18 +2,29 @@
 
 set -ex
 
-php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
-php composer-setup.php
-php -r "unlink('composer-setup.php');"
-mv composer.phar /usr/local/bin/composer
-
-apk add procps git unzip github-cli openssh
-
 export COMPOSER_PROCESS_TIMEOUT=100000
 
-php tests/jit.php
+touch /tmp/ci_status
 
-composer update
+exec 4</tmp/ci_status
+flock 4
+
+[ "$(cat /tmp/ci_status)" != "done" ]; then
+    apk add procps git unzip github-cli openssh
+
+    php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
+    php composer-setup.php
+    php -r "unlink('composer-setup.php');"
+    mv composer.phar /usr/local/bin/composer
+
+    php tests/jit.php
+
+    composer update
+
+    echo done > /tmp/ci_status
+fi
+
+exec 4<&-
 
 if [ "$1" == "docs" ]; then
     rmdir docs