bisq/scripts/install_java_linux.sh
Stephan Oeste 74d87d7695
make all scripts executable
Signed-off-by: Stephan Oeste <emzy@emzy.de>
2021-11-30 12:40:06 +01:00

144 lines
3.8 KiB
Bash
Executable File

#!/bin/bash
# Install OpenJDK 11.0.2 on Linux
set -eu
# Download and install locations
JDK_URL=https://download.java.net/java/GA/jdk11/9/GPL/openjdk-11.0.2_linux-x64_bin.tar.gz
JAVA_HOME_DIR=/usr/lib/jvm/openjdk-11.0.2
alpine_openjdk_package=openjdk11
alpine_openjdk_location=/usr/lib/jvm/java-11-openjdk
OS=$(uname)
if [ "$OS" != Linux ]
then
echo This script supports Linux only >&2
exit 1
fi
PACKAGE_MANAGER=
for tool in apk yum pacman emerge zypper apt-get dnf
do
if command -v $tool >/dev/null
then
PACKAGE_MANAGER=$tool
break
fi
done
if [ -z "$PACKAGE_MANAGER" ]
then
echo "Unknown OS" >&2
fi
missing=
for cmd in curl tar gzip
do
if ! command -v $cmd >/dev/null
then
missing="${missing+$missing }$cmd"
if [ "$cmd" = curl ]
then
missing="$missing ca-certificates"
fi
fi
done
sudo_exec () {
if [ "${EID-500}" -eq 0 ] || [ "${HOME-/home}" = /root ]
then
"$@"
elif command -v sudo
then
sudo "$@"
else
echo "Can't execute with elevated priviliges: $*" >&2
exit 1
fi
}
# Install missing packages
if [ -n "$missing" ]
then
case "$PACKAGE_MANAGER" in
apk)
: no need to install missing packages, because
: we will install OpenJDK using apk
;;
pacman)
sudo_exec pacman -Syy --noconfirm "$missing"
;;
apt-get)
sudo_exec apt-get update
# shellcheck disable=SC2086
sudo_exec apt-get install -y --no-install-recommends $missing
;;
dnf|emerge|yum|zypper)
sudo_exec "$PACKAGE_MANAGER" update
# shellcheck disable=SC2086
sudo_exec "$PACKAGE_MANAGER" install -y $missing
;;
*)
echo "The following packages are missing from your system: $missing" >&2
echo "Please install these packages before proceeding" >&2
exit 1;
;;
esac
fi
if [ "$PACKAGE_MANAGER" = apk ]
then
if sudo_exec apk add --no-cache ${alpine_openjdk_package}
then
echo "Installed Java to $alpine_openjdk_location"
echo "To start using 'javac', add $alpine_openjdk_location/bin to your PATH:"
echo "export PATH=$alpine_openjdk_location/bin:\$PATH"
fi
exit
fi
JDK_FILENAME=$(basename "$JDK_URL")
tmpdir=$(mktemp -d)
trap -- 'rm -rf "$tmpdir"' EXIT
mkdir "$tmpdir/JAVA_HOME_DIR"
curl -L -o "$tmpdir/$JDK_FILENAME" "$JDK_URL"
tar -xf "$tmpdir/$JDK_FILENAME" -C "$tmpdir/JAVA_HOME_DIR" --strip-components=1
if [ -d "$tmpdir/JAVA_HOME_DIR/bin" ]
then
sudo_exec rm -rf "$JAVA_HOME_DIR"
sudo_exec mkdir -p "$(dirname "$JAVA_HOME_DIR")"
sudo_exec mv "$tmpdir/JAVA_HOME_DIR" "$JAVA_HOME_DIR"
else
echo "Error extracting archive contents" >&2
exit 1
fi
echo "Java has been installed in $JAVA_HOME_DIR"
if command -v update-alternatives >/dev/null
then
update-alternatives --install /usr/bin/java java "$JAVA_HOME_DIR/bin/java" 2000
update-alternatives --install /usr/bin/javac javac "$JAVA_HOME_DIR/bin/javac" 2000
update-alternatives --set java "$JAVA_HOME_DIR/bin/java"
update-alternatives --set javac "$JAVA_HOME_DIR/bin/javac"
echo "and configured as the default JDK using 'update-alternatives'."
echo "If you need to change to another JDK later, you can do so like so:"
echo " update-alternatives --config java"
echo " update-alternatives --config javac"
else
echo "To start using it, please set/update your 'JAVA_HOME' and 'PATH' environment variables like so:"
echo
echo "export JAVA_HOME=\"$JAVA_HOME_DIR\""
echo "export PATH=\"$JAVA_HOME_DIR/bin:\$PATH\""
echo
echo "Consider adding the above lines to one of your personal initialization files"
echo " like ~/.bashrc, ~/.bash_profile, ~/.profile, or similar."
fi