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@lwronski lwronski released this 22 Feb 07:20
· 1054 commits to main since this release
v0.2.0
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Learn about vigilant mode.

Require the --power option for restricted features by default

Until now, Scala CLI has been limiting some of its functionalities in its scala distribution.
Starting with v0.2.0, those limitation will be applied to all distributions, including scala-cli.

This was done in order to make the behaviour consistent with Scala CLI acting as the Scala runner.

Restricted features can be accessed by using the --power launcher flag. Do note that launcher flags have to be passed before the sub-command.

scala-cli --power package .

Alternatively, the power mode can be turned on globally by running:

scala-cli config power true

Please note that this change may affect your existing scripts or workflows that rely on the limited commands from ScalaCLI (such as package, publish). You can still use those commands with power mode enabled.

When you try to use a limited command in restricted mode, you will now see a warning message with suggestions on how to enable this command:

$ scala-cli package Hello.scala
# This command is restricted and requires setting the `--power` option to be used.
# You can pass it explicitly or set it globally by running:
#    scala-cli config power true
$ scala-cli config power true
$ scala-cli package Hello.scala
# Wrote Hello, run it with
#   ./Hello

Added by @lwronski in #1835 and #1849

Allow executable Scala scripts without a file extension

As of this release Scala scripts without the *.sc file extension will be supported for execution when using the shebang command.

#!/usr/bin/env -S scala-cli shebang -S 3

println(args.size)
println(args.headOption)
chmod +x hello
./hello Hello World
#2
#Some(Hello)

Note that files with no extension are always run as scripts even though they may contain e.g. a valid .scala program.

Also, do note that this feature has only been added for shebang - the run sub-command (which is the default way of running inputs when a sub-command is not specified explicitly) will not support this.

Added by @MaciejG604 in #1802

Export Project configuration to Json

It is now possible to export configuration from Scala CLI project to Json format with the export sub-command.

scala-cli --power export --json .

It is currently exporting basic information about the project and includes, for example, the following fields:

  • ScalaVersion
  • Platform
  • Sources
  • Dependencies
  • Resolvers

Example of generated Json output:

{
  "scalaVersion": "3.2.2",
  "platform": "JVM",
  "scopes": {
    "main": {
      "sources": [
        "Hello.scala"
      ],
      "dependencies": [
        {
          "groupId": "com.lihaoyi",
          "artifactId": {
            "name": "pprint",
            "fullName": "pprint_3"
          },
          "version": "0.6.6"
        }
      ],
      ...
    }
  }
}

Added by @MaciejG604 in #1840

Rename using lib to using dep

To be more consistent with dependency command line options --dep, the dependency using directive is now passed by using dep.
Please note that we have kept the alias of the old directive (lib, libs) for backwards compatibility.

 //> using dep "org.scalameta::munit:0.7.29"

Renamed by @lwronski in #1827

Improved readability of help messages for commands

The help messages are now shorter and more concise, making it easier to quickly get an overview of the available options for a command.

To improve readability, some options and detailed messages are now only visible after showing the full help by passing --full-help.

Added by @Gedochao in #1872

Other breaking changes

Remove ammonite imports support

The support for $ivy and $dep ammonite imports has been removed.
To easily convert existing $ivy and $dep imports into the using dep directive in your sources, you can use the provided actionable diagnostic.

Screen Recording 2023-02-21 at 12 22 15

Removed by @MaciejG604 in #1787

Drop the metabrowse sub-command

With this release, support for Metabrowse has been removed from Scala CLI. This change was made in order to limit the number of features that we need to support, especially since the Metabrowse project is no longer being actively worked on.

Remove by @lwronski in #1867

Other changes

SIP-related changes

  • Add a warning for the -run option of the legacy scala runner, instead of failing by @Gedochao in #1801
  • Add warnings for the deprecated -Yscriptrunner legacy scala runner option instead of passing it to scalac by @Gedochao in #1804
  • Filter out restricted & experimental options from SIP mode help by @Gedochao in #1812
  • Warn in sip mode when using restricted command by @lwronski in #1862
  • Add more detail for sub-commands' help messages by @Gedochao in #1852
  • Fix printing not supported option in restricted mode by @lwronski in #1861

Fixes

  • Fix warning about using directives in multiple files when two java files are present by @MaciejG604 in #1796
  • Quit flag not suppresses compilation errors by @lwronski in #1792
  • Dont warn about target directives by @MaciejG604 in #1803
  • Fix - actionable actions not suggest update to previous version by @lwronski in #1813
  • Fix actionable action when uses latest sytanx version in lib by @lwronski in #1817
  • Prevent NPE from being thrown by the export sub-command if testFramework isn't defined by @Gedochao in #1814
  • Fix message checking in test by @MaciejG604 in #1847
  • blooprifle: add -XX:+IgnoreUnrecognizedVMOptions to hardCodedDefaultJavaOpts by @Flowdalic in #1845
  • Trim passwords obtained as command result by @MaciejG604 in #1871

Build and internal changes

Documentation updates

Updates & maintenance

New Contributors

Full Changelog: v0.1.20...v0.2.0

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