133 lines
3.6 KiB
Markdown
133 lines
3.6 KiB
Markdown
## Taskman
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Taskman is a simple library which allows to conveniently execute 'tasks' written in PHP from the shell. Tasks can have dependencies on other tasks.
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Taskman is inspired by Make, Capistrano, Ant, Maven and similar build tools.
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The central unit of execution is 'task'. The main difference from the plain old function is the fact 'task' is executed **only once** no matter what.
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### Examples
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#### Hello world
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Here's a simple example of a task:
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```
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<?php
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namespace taskman;
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use Exception;
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task('hello', function()
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{
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echo "Hello world!\n";
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});
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```
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Try executing it from the shell:
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```./gamectl hello
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***** task 'hello' start *****
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Hello world!
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***** task 'hello' done(0/0.27 sec.) *****
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***** All done (0.27 sec.) *****
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```
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#### Real world example
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```
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<?php
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namespace taskman;
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use Exception;
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task('ultimate_build_run',
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[
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'default' => true,
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'alias' => 'urun',
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'deps' => ['autogen', 'pack_configs', 'ensure_unity_player_settings', 'unity_defines']
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], function() {});
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```
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### Get help and list all tasks
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You can list all tasks and their definition locations using **help** task (yes, it's a task as well):
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```
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./gamectl help
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***** task 'help' start *****
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Usage:
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gamectl [OPTIONS] <task-name1>[,<task-name2>,..] [-D PROP1=value [-D PROP2]]
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Available options:
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-c specify PHP script to be included (handy for setting props,config options,etc)
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-V be super verbose
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-q be quite, only system messages
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-b batch mode: be super quite, don't even output any system messages
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-- pass all options verbatim after this mark
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Available tasks:
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---------------------------------
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apk_install_to_device (/Users/ps/dev/skeletor/gamectl.d/client.inc.php@58)
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---------------------------------
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apk_run_on_device (/Users/ps/dev/skeletor/gamectl.d/client.inc.php@67)
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---------------------------------
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autogen @deps ["unity_defines","cs_autogen","php_autogen"] (/Users/ps/dev/skeletor/gamectl.d/autogen.inc.php@6)
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---------------------------------
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bhl_autogen @deps ["bhl_make_upm_package"] (/Users/ps/dev/skeletor/gamectl.d/bhl.inc.php@19)
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***** task 'help' done(0/0.01 sec.) *****
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***** All done (0.01 sec.) *****
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```
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### Tasks documentation
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#### Task declaration
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Task must be declared using library **task** function as follows:
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```task('name', function() {});```
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The task above now can be invoked from the shell as follows:
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```./gamectl name```
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#### Task aliases
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Task may have an alias for less typing in the shell. To specify an alias one should put it as an **alias** property of a task declaration:
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```
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task('name', ['alias' => 'n'],
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function() {});
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```
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You can invoke the task by the alias as follows:
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```./gamectl n```
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#### Task dependencies
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Task may have an dependencies on other tasks. To specify all dependencies one should list them in **deps** section of a task declaration:
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```
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task('c', ['deps' => ['a', 'b']],
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function() {});
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```
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All dependencies are executed before running the specified task. Running the task above yields something as follows:
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```
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./gamectl c
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***** task 'c' start *****
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***** -task 'a' start *****
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***** -task 'a' done(0/0.18 sec.) *****
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***** -task 'b' start *****
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***** -task 'b' done(0/0.18 sec.) *****
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***** task 'c' done(0/0.18 sec.) *****
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***** All done (0.18 sec.) *****
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```
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#### Task executed always
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Sometimes it's convenient to define tasks which should be executed every time without explicit invocation. For example for setting the up the default environment, properties, etc. To achieve that one should specify the **always** property for a task:
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```
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task('setup_env', ['always' => true],
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function() {});
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```
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