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Try native image then fallback to pure java version #717

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merged 9 commits into from
Jan 24, 2023
Merged

Try native image then fallback to pure java version #717

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5c07639
Add script mvnd-auto to auto select native or pure java mvnd
gzm55 Oct 16, 2022
29ecd01
Move fallback logic into main entry script
gzm55 Oct 20, 2022
9e24715
change entry name on windows
gzm55 Oct 21, 2022
ceff591
Add script mvnd-persist-native for moving the native image to the def…
gzm55 Oct 23, 2022
6e4cad7
improve platform detect
gzm55 Jan 10, 2023
b8094bd
fix error on dash
gzm55 Jan 10, 2023
1c3d4fa
rollback default entry to the native image
gzm55 Jan 11, 2023
4382677
use MVND_CLIENT switch to control the selection of mvnd client
gzm55 Jan 11, 2023
b6a5e8c
improve comment docs as suggestion
gzm55 Jan 12, 2023
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2 changes: 1 addition & 1 deletion client/pom.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -225,7 +225,7 @@
<executions>
<execution>
<goals>
<goal>build</goal>
<goal>compile-no-fork</goal>
</goals>
<phase>package</phase>
</execution>
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27 changes: 27 additions & 0 deletions dist/src/main/distro/bin/mvnd.cmd
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Expand Up @@ -25,6 +25,11 @@
@REM MAVEN_BATCH_PAUSE (Optional) set to 'on' to wait for a key stroke before ending.
@REM MAVEN_OPTS (Optional) Java runtime options used when Maven is executed.
@REM MAVEN_SKIP_RC (Optional) Flag to disable loading of mavenrc files.
@REM MVND_CLIENT (Optional) Control how to select mvnd client to communicate with the daemon:
@REM 'auto' (default) - prefer the native client mvnd if it works; otherwise use
@REM the pure Java client.
@REM 'native' - use the native client mvnd.exe
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@REM 'jvm' - use the pure Java client
@REM -----------------------------------------------------------------------------

@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
Expand All @@ -43,6 +48,28 @@ if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %*

set ERROR_CODE=0

set "MVND_CMD=%~dp0\mvnd.exe"
if "%MVND_CLIENT%"=="native" goto runNative
if "%MVND_CLIENT%"=="" goto checkNative
if not "%MVND_CLIENT%"=="auto" goto runJvm

:checkNative
@REM try execute native image
if "%PROCESSOR_ARCHITEW6432%"=="" (
if not exist "%~dp0\platform-windows-%PROCESSOR_ARCHITECTURE%" goto runJvm
) else (
if not exist "%~dp0\platform-windows-%PROCESSOR_ARCHITEW6432%" goto runJvm
)
if not exist "%MVND_CMD%" goto runJvm

:runNative
"%MVND_CMD%" %*
if ERRORLEVEL 1 goto error
goto end

:runJvm
@REM fallback to pure java version

@REM ==== START VALIDATION ====
if not "%JAVA_HOME%"=="" goto OkJHome
for %%i in (java.exe) do set "JAVACMD=%%~$PATH:i"
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39 changes: 37 additions & 2 deletions dist/src/main/distro/bin/mvnd.sh
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Expand Up @@ -25,6 +25,11 @@
# JAVA_HOME Must point at your Java Development Kit installation.
# MAVEN_OPTS (Optional) Java runtime options used when Maven is executed.
# MAVEN_SKIP_RC (Optional) Flag to disable loading of mavenrc files.
# MVND_CLIENT (Optional) Control how to select mvnd client to communicate with the daemon:
# 'auto' (default) - prefer the native client mvnd if it works; otherwise use
# the pure Java client.
# 'native' - use the native client mvnd.exe
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# 'jvm' - use the pure Java client
# -----------------------------------------------------------------------------

if [ -z "$MAVEN_SKIP_RC" ] ; then
Expand All @@ -43,8 +48,8 @@ fi
cygwin=false;
mingw=false;
case "`uname`" in
CYGWIN*) cygwin=true;;
MINGW*) mingw=true;;
CYGWIN*) cygwin=true native_ext=.exe ;;
MINGW*) mingw=true native_ext=.exe ;;
esac

## resolve links - $0 may be a link to Maven's home
Expand Down Expand Up @@ -89,6 +94,36 @@ if $mingw ; then
# TODO classpath?
fi

if [ "${MVND_CLIENT:=auto}" = native ]; then
# force execute native image
exec "$MVND_HOME/bin/mvnd${native_ext:-}" "$@"
elif [ "$MVND_CLIENT" = auto ]; then
# try native image
case "$(uname -a)" in
(CYGWIN*|MINGW*) os=windows arch="${PROCESSOR_ARCHITEW6432:-"${PROCESSOR_ARCHITECTURE:-"$(uname -m)"}"}" ;;
(Darwin*x86_64) os=darwin arch=amd64 ;;
(Darwin*arm64) os=darwin arch=aarch64 ;;
(Linux*) os=linux arch=$(uname -m) ;;
(*) os=$(uname) arch=$(uname -m) ;;
esac
[ "${arch-}" != x86_64 ] || arch=amd64
[ "${arch-}" != AMD64 ] || arch=amd64
[ "${arch-}" != arm64 ] || arch=aarch64

MVND_CMD="$MVND_HOME/bin/mvnd${native_ext:-}"
if [ -e "$MVND_HOME/bin/platform-$os-$arch" ] && [ -x "$MVND_CMD" ]; then
is_native=true
if [ "$os" = linux ]; then
case "$(ldd "$MVND_CMD" 2>&1)" in
(''|*"not found"*) is_native=false ;;
esac
fi
! $is_native || exec "$MVND_CMD" "$@"
fi
fi

# fallback to pure java version

if [ -z "$JAVA_HOME" ] ; then
JAVACMD="`\\unset -f command; \\command -v java`"
else
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1 change: 1 addition & 0 deletions dist/src/main/provisio/maven-distro.xml
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Expand Up @@ -97,6 +97,7 @@
<include>mvnd</include>
<include>mvnd.exe</include>
</directory>
<file touch="platform-${os.detected.name}-${os.detected.arch}"/>
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What is the purpose of this line ?

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the flag file is used to detect whether the bin/mvnd is built for the current os and arch.

</fileSet>

<archive name="maven-mvnd-${project.version}-${os.detected.name}-${os.detected.arch}.zip"
Expand Down