stop running php and search brew for php to verify can install it before trying the wrong formula, todos for tests

cli/Valet/Brew.php

@@ -289,7 +289,7 @@ function ($exitCode, $errorOutput) use ($formula) {
     }
 
     /**
-     * Search for a formula
+     * Search for a formula and return found, optional grep to filter results
      *
      * @param $formula
      * @param null $grep
@@ -297,13 +297,33 @@ function ($exitCode, $errorOutput) use ($formula) {
      * @return string
      */
     function search($formula, $grep = null) {
-        return $this->cli->runAsUser(
+        return str_replace(PHP_EOL, '', $this->cli->runAsUser(
-            sprintf('brew search %s%s', $formula, $grep ? ' | grep ' . $formula : ''),
+            sprintf('brew search %s%s', $formula, $grep ? ' | grep ' . $grep : ''),
             function ($exitCode, $errorOutput) use ($formula) {
                 output($errorOutput);
 
                 throw new DomainException('Brew was unable to find [' . $formula . '].');
             }
-        );
+        ));
+    }
+
+    /**
+     * Get the currently running brew services
+     *
+     * @param null $grep
+     * @return \Illuminate\Support\Collection
+     */
+    function getRunningServices($grep = null)
+    {
+        $grep = 'started' . ($grep ? '.*' . $grep : '');
+
+        return collect(array_filter(explode(PHP_EOL, $this->cli->runAsUser(
+            sprintf('brew services list | grep %s | awk \'{ print $1; }\'', $grep),
+            function ($exitCode, $errorOutput) {
+                output($errorOutput);
+
+                throw new DomainException('Brew was unable to check which services are running.');
+            }
+        ))));
     }
 }

cli/Valet/PhpFpm.php

@@ -121,6 +121,16 @@ function fpmConfigPath()
             : "/usr/local/etc/php/${versionNormalized}/php-fpm.d/www.conf";
     }
 
+    /**
+     * Only stop running php services
+     */
+    function stopRunning()
+    {
+        $this->brew->stopService(
+            $this->brew->getRunningServices('php')->all()
+        );
+    }
+
     function useVersion($version)
     {
         // Ensure we have php{version}
@@ -128,11 +138,13 @@ function useVersion($version)
             $version = 'php' . $version;
         }
 
-        $foundResult = $this->brew->search($version, 'php');
+        info(sprintf('Finding brew formula for: %s', $version));
+        $foundVersion = $this->brew->search($version, 'php');
+        info(sprintf('Found brew formula: %s', $foundVersion));
 
-        if (!$this->brew->supportedPhpVersions()->contains($version)) {
+        if (!$this->brew->supportedPhpVersions()->contains($foundVersion)) {
             throw new DomainException(
-                sprintf('Valet doesn\'t support PHP version: %s', $version)
+                sprintf('Valet doesn\'t support PHP version: %s', $foundVersion)
             );
         }
 
@@ -142,10 +154,10 @@ function useVersion($version)
             $this->brew->unlink($currentVersion);
         }
 
-        $this->brew->ensureInstalled($version);
+        $this->brew->ensureInstalled($foundVersion);
 
-        info(sprintf('Linking new version: %s', $version));
+        info(sprintf('Linking new version: %s', $foundVersion));
-        $this->brew->link($version, true);
+        $this->brew->link($foundVersion, true);
 
         $this->install();
     }

cli/valet.php

@@ -280,7 +280,7 @@
      * Allow the user to use another version of php
      */
     $app->command('use phpVersion', function ($phpVersion = null) {
-        PhpFpm::stop();
+        PhpFpm::stopRunning();
 
         PhpFpm::useVersion($phpVersion);
 

tests/BrewTest.php

@@ -336,4 +336,10 @@ public function test_unlink_will_pass_formula_to_run_as_user()
         swap(CommandLine::class, $cli);
         $this->assertSame('Some output', resolve(Brew::class)->unlink('aformula'));
     }
+
+    // TODO: search will pass to brew search
+    // TODO: search will pass into grep if passed
+    // TODO: search will throw if fails
+    // TODO: getRunningServices will return array of services currently started
+    // TODO: getRunningServices can pass grep to filter result
 }

tests/PhpFpmTest.php

@@ -36,7 +36,15 @@ public function test_fpm_is_configured_with_the_correct_user_group_and_port()
         $this->assertContains("\nlisten = ".VALET_HOME_PATH."/valet.sock", $contents);
     }
 
-    // TODO: useVersion
+    // TODO: useVersion if no php at start it will prefix
+    // TODO: useVersion will pass version to Brew::search and then check if it's supported
+    // TODO:     - if not supported will through
+    // TODO: useVersion if already linked php will unlink it
+    // TODO: useVersion will ensure new version is installed
+    // TODO: useVersion will link found version (force)
+    // TODO: useVersion will call install at end
+
+    // TODO: stopRunning will get the running php services and stop them
 }