RFR: 8046: build.bat --packageAgent doesn't detect failed builds

[Marcus Hirt]

On Mon, 27 Feb 2023 16:36:16 GMT, Ralf Schmelter <rschmelter at openjdk.org> wrote:

> When running build.bat --packageAgent, the build.bat doesn't detect if the maven call fails, since the ERRORLEVEL variable is overridden by the "cd .." call before it is checked. Additionally the format of the if/else construct is wrong (uses curly braces in the else part).

Marked as reviewed by hirt (Lead).

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PR Review: https://git.openjdk.org/jmc/pull/472#pullrequestreview-1367656852