Replace PathEnvironmentVariableUtil with JDK standard library by Copilot · Pull Request #64 · likec4/jetbrains-plugin

Copilot · 2026-02-05T11:05:00Z

PathEnvironmentVariableUtil is unavailable in IntelliJ Platform 2024.3, breaking compilation of LikeC4LanguageServerInstaller.

Changes

Removed dependency on com.intellij.execution.util.PathEnvironmentVariableUtil
Implemented PATH lookup using System.getenv("PATH") and java.nio.file.Files.isExecutable()
Added Windows extension handling (.cmd, .bat, .exe) to match platform conventions

Implementation

private fun isAvailable(): Boolean {
  val paths = System.getenv("PATH")?.split(System.getProperty("path.separator")) ?: return false
  val extensions = if (SystemInfo.isWindows) listOf(".cmd", ".bat", ".exe", "") else listOf("")
  
  return paths.any { pathDir ->
    extensions.any { ext ->
      val executablePath = java.nio.file.Paths.get(pathDir, executableName + ext)
      java.nio.file.Files.isExecutable(executablePath)
    }
  }
}

The replacement maintains cross-platform compatibility while using only JDK APIs.

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

download.jetbrains.com
- Triggering command: /usr/lib/jvm/temurin-17-jdk-amd64/bin/java /usr/lib/jvm/temurin-17-jdk-amd64/bin/java --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.lang.invoke=ALL-UNNAMED --add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.prefs/java.util.prefs=ALL-UNNAMED --add-exports=jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED --add-exports=jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED --add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.prefs/java.util.prefs=ALL-UNNAMED --add-opens=java.base/java.nio.charset=ALL-UNNAMED --add-opens=java.base/java.net=ALL-UNNAMED --add-opens=java.base/java.util.concurrent=ALL-UNNAMED --add-opens=java.base/java.util.concurrent.atomic=ALL-UNNAMED --add-opens=java.xml/javax.xml.namespace=ALL-UNNAMED --add-opens=java.base/java.time=ALL-UNNAMED -XX:MaxMetaspaceSize=384m -XX:+HeapDumpOnOutOfMemoryError -Xms256m -Xmx512m -Dfile.encoding=UTF-8 (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

Configure Actions setup steps to set up my environment, which run before the firewall is enabled
Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)

Original prompt

The build fails in CI due to unresolved reference 'PathEnvironmentVariableUtil' in 'LikeC4LanguageServerInstaller.kt'. This is likely because 'com.intellij.execution.util.PathEnvironmentVariableUtil' is missing from the dependencies or not available in the targeted IntelliJ Platform SDK version. To ensure compatibility and address the error, remove usage of 'PathEnvironmentVariableUtil' and replace it with a generic executable lookup using Java/Kotlin standard libraries. Specifically, rewrite the 'isAvailable()' function in LikeC4LanguageServerInstaller.kt to manually check if the executable exists anywhere in PATH, using only standard JDK APIs. Do not depend on PathEnvironmentVariableUtil or any other missing IDE utility. This will restore compatibility and fix the CI build.

Example replacement:
Replace:
import com.intellij.execution.util.PathEnvironmentVariableUtil
...
private fun isAvailable(): Boolean =
PathEnvironmentVariableUtil.findExecutableInPath(executableName) != null

With:
private fun isAvailable(): Boolean =
System.getenv("PATH")
?.split(System.getProperty("path.separator"))
?.map { java.nio.file.Paths.get(it, executableName) }
?.any { java.nio.file.Files.isExecutable(it) }
?: false

Remove the unused import statement as well.

This pull request was created from Copilot chat.

💡 You can make Copilot smarter by setting up custom instructions, customizing its development environment and configuring Model Context Protocol (MCP) servers. Learn more Copilot coding agent tips in the docs.

Co-authored-by: davydkov <824903+davydkov@users.noreply.github.com>

…upport Co-authored-by: davydkov <824903+davydkov@users.noreply.github.com>

github-actions · 2026-02-05T11:50:24Z

Qodana Community for JVM

1 new problem were found

Inspection name	Severity	Problems
`Call to 'System.getProperty(str)' could be simplified`	🔶 Warning	1

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* Warn when LikeC4 language server is missing * Fix npm install command for Windows * Replace PathEnvironmentVariableUtil with JDK standard library (#64) * Initial plan * Replace PathEnvironmentVariableUtil with standard JDK APIs Co-authored-by: davydkov <824903+davydkov@users.noreply.github.com> * Add Windows executable extension handling for better cross-platform support Co-authored-by: davydkov <824903+davydkov@users.noreply.github.com> --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: davydkov <824903+davydkov@users.noreply.github.com> --------- Co-authored-by: Copilot <198982749+Copilot@users.noreply.github.com>

Initial plan

39ba515

Copilot AI assigned Copilot and davydkov Feb 5, 2026

Copilot started work on behalf of davydkov February 5, 2026 11:05 View session

Copilot AI and others added 2 commits February 5, 2026 11:07

Replace PathEnvironmentVariableUtil with standard JDK APIs

99480cf

Co-authored-by: davydkov <824903+davydkov@users.noreply.github.com>

Add Windows executable extension handling for better cross-platform s…

f78f94a

…upport Co-authored-by: davydkov <824903+davydkov@users.noreply.github.com>

Copilot AI changed the title ~~[WIP] Fix unresolved reference in LikeC4LanguageServerInstaller~~ Replace PathEnvironmentVariableUtil with JDK standard library Feb 5, 2026

Copilot finished work on behalf of davydkov February 5, 2026 11:12

Copilot AI requested a review from davydkov February 5, 2026 11:12

davydkov approved these changes Feb 5, 2026

View reviewed changes

davydkov marked this pull request as ready for review February 5, 2026 11:57

davydkov merged commit e9fe4c9 into codex/enhance-plugin-to-check-likec4-language-server Feb 5, 2026
6 checks passed

davydkov deleted the copilot/fix-ci-build-error branch February 5, 2026 11:57

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Replace PathEnvironmentVariableUtil with JDK standard library#64

Replace PathEnvironmentVariableUtil with JDK standard library#64
davydkov merged 3 commits into
codex/enhance-plugin-to-check-likec4-language-serverfrom
copilot/fix-ci-build-error

Copilot AI commented Feb 5, 2026 •

edited

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Changes

Implementation

I tried to connect to the following addresses, but was blocked by firewall rules:

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github-actions Bot commented Feb 5, 2026

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Copilot AI commented Feb 5, 2026 •

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