armorbreak001 opened a new pull request, #419:
URL: https://github.com/apache/maven-wrapper/pull/419
## Summary
Fixes #247 — **mvnw.cmd fails when run from a parent directory.**
## Problem
When invoking `mvnw.cmd` from a parent directory, the script sets `EXEC_DIR`
using `%CD%` (current working directory) instead of resolving from the script's
own location (`%~dp0`). This causes it to search for
`.mvn/wrapper/maven-wrapper.properties` in the wrong directory:
```
The system cannot find the file
C:\project\.mvn\wrapper\maven-wrapper.properties
```
The Unix `mvnw` script does not have this problem — it correctly uses
`$(dirname "$0")` to find the base directory.
## Fix
Wrap the `EXEC_DIR` assignment with `pushd/popd %~dp0` so that `%CD%`
resolves to the script's directory rather than the caller's working directory:
```diff
+pushd "%~dp0" >nul 2>&1
set EXEC_DIR=%CD%
+popd >nul 2>&1
```
This matches the behavior of the Unix shell script and is the approach
suggested in the issue report.
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