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https://github.com/RasppleII/a2cloud.git
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c779085100
And what do you think install_java does? If you just say it's going to install the latest version of perl, I'm going to hit you. On Raspbian systems it defaults to oracle-java8-jdk because that's what Raspbian defaults too _for now_. Apparently openjdk 9 can keep up with it and possibly run circles around it, in which case maybe we want to use default-jre everywhere. I'm for not using Oracle Java regardless because … Oracle, but if it's not just as fast, those of you running armv6-based Pis are going to not be happy if we drop it.
71 lines
2.2 KiB
Bash
Executable File
71 lines
2.2 KiB
Bash
Executable File
#! /bin/bash
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# vim: set tabstop=4 shiftwidth=4 noexpandtab filetype=sh:
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# install_java - make sure we have java installed
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#
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# To the extent possible under law, T. Joseph Carter and Ivan Drucker have
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# waived all copyright and related or neighboring rights to the a2cloud
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# scripts themselves. Software used or installed by these scripts is subject
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# to other licenses. This work is published from the United States.
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# Find the path of our source directory
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a2cSource="$( dirname "${BASH_SOURCE[0]}" )/.."
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pushd $a2cSource >/dev/null
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a2cSource="$PWD"
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popd >/dev/null
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if [[ ! -f "$a2cSource/.a2cloud_source" ]]; then
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printf "\na2cloud: cannot find a2cloud source directory in $a2cSource.\n\n"
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exit 1
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fi
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# Make sure ras2_{os,arch} get set
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. "$a2cSource/scripts/system_ident" -q
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check_freespace() {
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# we use df -k because its output works on Linux and BSD/Mac
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freeSpace=$(df -k / | tail -1 | awk '{ print $4 }')
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(( $freeSpace > 360000 ))
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return $?
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}
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install_java() {
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sudo apt-get update
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if [[ $ras2_os == rpi-* ]]; then
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sudo apt-get -y install oracle-java8-jdk
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else
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# Used to go out and find Oracle Java, but we don't need it.
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sudo apt-get -y install default-jre
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fi
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sudo apt-get clean
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}
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if ! hash java 2>/dev/null; then
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printf "\nJava is not installed"
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if check_freespace; then
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printf ", but we can install it.\n"
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install_java
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else
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cat <<-EOF
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amd this script cannot continue.
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You don't seem to have enough free space to install Java, which is
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needed by several components we install (ADTPro and AppleCommander,
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for example.) On a Raspberry Pi, it is possible that you may simply
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need to expand your filesystem to fill the SD card. You can do that
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by running "sudo raspi-config" and selecting the appropriate option.
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If that's not the cause, you might investigate to see if you happen
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to have unwanted large packages installed. Some systems come loaded
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with full desktop environments, development IDEs, or other large
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packages or package groups you don't need.
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Failing all of that, you can figure out how to get java installed and
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into your default path and set JAVA_HOME. If we find java in your
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path this script will assume that we should simply use that. We do
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recommend Java 8 or above.
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EOF
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exit 1
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fi
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fi
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