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Package sarb
Short Description Provides tools for baselining static analysis results and comparing against that baseline
License MIT
Informations about the package sarb
Static Analysis Results Baseliner (SARB)
- Why SARB
- Requirements
- Installing
- Using SARB
- Further reading
Why SARB?
If you've tried to introduce advanced static analysis tools (e.g. Psalm, PHPStan) to legacy projects the tools have probably reported thousands of problems. It's unrealistic to fix all but the most critical ones before continuing development.
SARB is used to create a baseline of these results. As work on the project progresses SARB takes the latest static analysis results, removes those issues in the baseline and report the issues raised since the baseline. SARB does this, in conjunction with git, by tracking lines of code between commits. Currently, SARB only supports git, but it is possible to add support for other SCMs.
SARB is written in PHP, however it can be used to baseline results for any language and any static analysis tool.
Why not SARB?
SARB should not be used on greenfield projects. If you're lucky enough to work on a greenfield project make sure you fix all problems raised by static analysis as you go along.
Requirements
Currently, SARB only supports projects that use git.
SARB requires PHP >= 8.0 to run. The project being analysed does not need to run PHP 8.0 or even be a PHP project at all.
Installing
You can either add directly to the project you wish to run analysis on:
Or you can install SARB globally (e.g. if you want to use it on a non PHP project):
If you install globally make sure the composer bin directory is in your path.
Using SARB
If you're using version 0.x see the upgrade.
1. Make sure the current git commit is the one to be used in the baseline
When creating the baseline, SARB needs to know the git commit SHA of the baseline. Make sure your code is in the state you want it to be in for the baseline and that the current commit represents that state.
2. Create the baseline
Run the static analyser of choice and pipe the results into SARB:
E.g. using Psalm's JSON output:
This creates a baseline file called psalm.baseline
. You'll want to check this in to your repository.
3. Update code and then use SARB to remove baseline results
Continue coding. Then rerun static analyser and pipe results into SARB:
Running SARB from a global installation
If you are running SARB from a global installation you will need to specify the root of the project (where the .git
directory lives).
The above would become:
Supported tools
To see a list of supported tools and formats use:
How to create and remove baseline for each supported tool:
PHP CodeSniffer
Phan
See notes on relative paths.
Exakat
PHPMD
Psalm
NOTE: Checkout Psalm's built in baseline feature. Learn how it differs from SARB.
PHPStan
NOTE: Checkout PHPStan's built in baseline feature. Learn how it differs from SARB.
PHP Magic Number Detector
See notes on relative paths.
My tool isn't supported...
That's no problem there are 3 methods to integrate a static analysis tool with SARB.
Output formats
The format for showing issues after the baseline is removed can be specified using --output-format
option.
Possible values are: table
, text
, json
or github
(for Github actions).
Ignoring warnings
Some static analysis tools (e.g. PHP Code Sniffer) classify issues wth a severity or either error
or warning
.
By default, SARB will report all of these. If you wish to ignore warnings you can use the --ignore-warnings
option.
E.g.
SARB with Github Actions
If you're using actions/checkout@v2
to check out your code you'll need to add set fetch-depth
to 0
.
By default checkout
only gets that latest state of the code and none of the history.
SARB uses git, which needs the full git history, to track file changes since the baseline.
To get the full history checked out use this:
Also don't forget to use the SARB option --output-format=github
.
It will annotate your PR with any issues that have been added since the baseline.
Gradually improving the codebase
In an ideal world SARB should not be required. SARB prevents you from adding new issues to your codebase.
It also provides a --clean-up
option when running remove
.
Running SARB with this option will pick out 5 random issues that are still in the baseline.
Challenge your team to fix 5 issues in the baseline every day.
Over a working year that'll be 1000 issues gone from the baseline!
Soon you'll be able to ditch SARB for good!
Further Reading
- How SARB works
- Adding support for new static analysis tools / format
- Adding support for SCMs other than git
- How to contribute
- Code of Conduct
- Unified Diff Terminology
- SARB format
- SARB vs other tools with baselining functionality
Authors
All versions of sarb with dependencies
symfony/config Version ^5.4 || ^6 || ^7
symfony/console Version ^5.4 || ^6 || ^7
symfony/dependency-injection Version ^5.4 || ^6 || ^7
symfony/process Version ^5.4 || ^6 || ^7
symfony/yaml Version ^5.4 || ^6 || ^7
webmozart/assert Version ^1.11