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https://issues.apache.org/jira/browse/MWRAPPER-67?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17538503#comment-17538503
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ASF GitHub Bot commented on MWRAPPER-67:
----------------------------------------
hazendaz commented on code in PR #44:
URL: https://github.com/apache/maven-wrapper/pull/44#discussion_r875324613
##########
maven-wrapper-distribution/src/resources/mvnw:
##########
@@ -192,7 +192,8 @@ else
wrapperUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/@@project.version@@/maven-wrapper-@@project.version@@.jar";
fi
while IFS="=" read key value; do
- case "$key" in (wrapperUrl) wrapperUrl="$value"; break ;;
+ # Remove invalid line endings from value
+ case "$key" in (wrapperUrl) wrapperUrl="${value%$'\r'}"; break ;;
Review Comment:
My testing was on Windows 10, Windows 2016 server, and RHEL 8. So I don't
know for sure but the logic there is posix compliant per multiple sources such
as
[here](https://www.ibm.com/docs/en/aix/7.1?topic=shell-parameter-substitution-in-korn-posix)
and
[here](https://unix.stackexchange.com/questions/389209/what-kinds-of-string-interpolation-does-posix-sh-support).
> mvnw script does not download jar if used in git bash in windows
> ----------------------------------------------------------------
>
> Key: MWRAPPER-67
> URL: https://issues.apache.org/jira/browse/MWRAPPER-67
> Project: Maven Wrapper
> Issue Type: Bug
> Components: Maven Wrapper Scripts
> Affects Versions: 3.1.1
> Reporter: Jeremy Landis
> Priority: Minor
>
> Usage of git bash will not download the maven wrapper jar along with curl
> (probably others) due to having windows line endings in the URL (trailing).
> To ensure that is not the case, make sure to strip invalid line endings out
> before usage.
> Use case, ./mvnw in powershell will use mvnw.cmd and has no issues
> downloading. If user does same in git bash, it will fail with invalid URL
> error with curl. Using ./mvnw.cmd there will work but not natural usage. To
> ensure this simply just works for full support, trim out invalid line feeds.
> note: This only affected the download. It worked otherwise.
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