cachetool recipe: add cachetool_bin setting to download old version (… (

#184)

* cachetool recipe: add cachetool_bin setting to download old version (4.0.0 is only compatible with php >=7.1)

* cachetool: use {{bin/php}} instead of hardcoded path

* cachetool: rename setting for bin path

recipe/cachetool.php

@@ -8,6 +8,9 @@
 namespace Deployer;
 
 set('cachetool', '');
+set('bin/cachetool', function(){
+	return run("{{bin/php}} -r \"echo version_compare(phpversion(), '7.1') == -1 ? 'cachetool-3.2.1.phar' : 'cachetool.phar';\"");
+});
 
 desc('Clearing APC system cache');
 task('cachetool:clear:apc', function () {
@@ -19,13 +22,13 @@
     }
 
     cd($releasePath);
-    $hasCachetool = run("if [ -e $releasePath/cachetool.phar ]; then echo 'true'; fi");
+    $hasCachetool = run("if [ -e $releasePath/{{bin/cachetool}} ]; then echo 'true'; fi");
 
     if ('true' !== $hasCachetool) {
-        run("curl -sO https://gordalina.github.io/cachetool/downloads/cachetool.phar");
+        run("curl -sO https://gordalina.github.io/cachetool/downloads/{{bin/cachetool}}");
     }
 
-    run("{{bin/php}} cachetool.phar apc:cache:clear system {$options}");
+    run("{{bin/php}} {{bin/cachetool}} apc:cache:clear system {$options}");
 });
 
 /**
@@ -41,11 +44,11 @@
     }
 
     cd($releasePath);
-    $hasCachetool = run("if [ -e $releasePath/cachetool.phar ]; then echo 'true'; fi");
+    $hasCachetool = run("if [ -e $releasePath/{{bin/cachetool}} ]; then echo 'true'; fi");
 
     if ('true' !== $hasCachetool) {
-        run("curl -sO https://gordalina.github.io/cachetool/downloads/cachetool.phar");
+        run("curl -sO https://gordalina.github.io/cachetool/downloads/{{bin/cachetool}}");
     }
 
-    run("{{bin/php}} cachetool.phar opcache:reset {$options}");
+    run("{{bin/php}} {{bin/cachetool}} opcache:reset {$options}");
 });