Add file option

README.md

@@ -62,6 +62,12 @@ return [
          * The path to the directory that contains your logs.
          */
         'log_directory' => env('TAIL_LOG_DIRECTORY_PRODUCTION', ''),
+
+        /*
+         * The filename of the log file that you want to tail.
+         * Leave null to let the package automatically select the file.
+         */
+        'file' => env('TAIL_LOG_FILE_PRODUCTION', null),
 
     ],
 ];
@@ -81,6 +87,13 @@ You can start the output with displaying the last lines in the log by using the
 php artisan tail --lines=50
 ```
 
+By default, the most-recently modified file in the directory will be used.
+You can specify the file that you would like to tail by using the `file` option.
+
+```bash
+php artisan tail --file="other-file.log"
+```
+
 It's also possible to fully clear the output buffer after each log item.
 This can be useful if you're only interested in the last log entry when debugging.
 
@@ -96,15 +109,15 @@ php artisan tail --grep="only display lines that contain this string"
 
 ### Tailing remote logs
 
-To tail remote logs, you must first specify values for `host`, `user` and `log_directory` keys of an environment in the `tail` config file.
+To tail remote logs, you must first specify values for `host`, `user`, `log_directory`, and `file` keys of an environment in the `tail` config file.
 
 After that you can tail that logs of an environment like this
 
 ```bash
 php artisan tail production
 ```
 
-You can also use the `--clear` and `--lines` options described above.
+You can also use the `--clear`, `--file`, and `--lines` options described above.
 
 ### Changelog
 

config/tail.php

@@ -18,5 +18,11 @@
          */
         'log_directory' => env('TAIL_LOG_DIRECTORY_PRODUCTION', ''),
 
+        /*
+         * The filename of the log file that you want to tail.
+         * Leave null to let the package automatically select the file to tail.
+         */
+        'file' => env('TAIL_LOG_FILE_PRODUCTION', null),
+
     ],
 ];

src/TailCommand.php

@@ -10,10 +10,11 @@
 class TailCommand extends Command
 {
     protected $signature = 'tail {environment?}
+                            {--file= : Name of the log file to tail}
                             {--lines=0 : Output the last number of lines}
                             {--clear : Clear the terminal screen}
                             {--grep= : Grep specified string}
-                            {--debug : "Display the underlying tail command}';
+                            {--debug : Display the underlying tail command}';
 
     protected $description = 'Tail the latest logfile';
 
@@ -70,7 +71,7 @@ protected function tailRemotely(string $environment): void
             })
             ->execute([
                 "cd {$environmentConfig['log_directory']}",
-                $this->getTailCommand($environmentConfig['log_directory']),
+                $this->getTailCommand(),
             ]);
     }
 
@@ -85,12 +86,25 @@ protected function getEnvironmentConfiguration(string $environment): array
         return $config[$environment];
     }
 
+    public function getTailFile(): string
+    {
+        $environment = $this->argument('environment');
+        $environmentConfig = is_null($environment)
+            ? []
+            : $this->getEnvironmentConfiguration($environment);
+
+        return $this->option('file')
+            ?? $environmentConfig['file']
+            ?? "`ls -t | head -1`";
+    }
+
     public function getTailCommand(): string
     {
         $grep = $this->option('grep')
             ? ' | grep "'.$this->option('grep').'"'
             : '';
+        $file = $this->getTailFile();
 
-        return 'tail -f -n '.$this->option('lines').' "`ls -t | head -1`"'.$grep;
+        return 'tail -f -n '.$this->option('lines').' "'.$file.'"'.$grep;
     }
 }

tests/TailCommandTest.php

@@ -24,6 +24,17 @@ public function the_tail_command_is_correct()
             ->expectsOutput('tail -f -n 0 "`ls -t | head -1`"');
     }
 
+    /** @test */
+    public function the_tail_command_with_file_is_correct()
+    {
+        $this
+            ->artisan('tail', [
+                '--debug' => true,
+                '--file' => 'file.log',
+            ])
+            ->expectsOutput('tail -f -n 0 "file.log"');
+    }
+
     /** @test */
     public function the_command_when_grepping_is_correct()
     {