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59 lines
2.4 KiB
Bash
59 lines
2.4 KiB
Bash
# This script installs and runs the project.
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# It also sets the "max-heap-size", depending on the machine's memory.
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# For error-handling, we cannot use the "set -e" since: it has problems https://mywiki.wooledge.org/BashFAQ/105
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# So we have our own function, for use when a single command fails.
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handle_error () {
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echo -e "$1"; exit $2
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}
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# Change the working directory to the script's directory, when running from another location.
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cd "${0%/*}" || handle_error "Could not change-dir to this script's dir!" 1
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justRun=0
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if [[ $# -eq 1 ]]; then
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justRun=$1
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elif [[ $# -gt 1 ]]; then
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echo -e "Wrong number of arguments given: ${#} (more than 1)\nPlease execute it like: script.sh <justRun: 0 | 1>"; exit 2
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fi
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gradleVersion="8.6"
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shouldBeCarefulWithMaxHeap=0 # This is NOT a cmd-arg.
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if [[ justRun -eq 0 ]]; then
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# Install the specified Gradle-build-tool version, if it does not exist.
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if [[ ! -d /opt/gradle/gradle-${gradleVersion} ]]; then
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wget https://services.gradle.org/distributions/gradle-${gradleVersion}-bin.zip
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echo -e "\nAsking for sudo, in order to install 'gradle'..\n"
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sudo mkdir /opt/gradle
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sudo apt install -y unzip && sudo unzip -d /opt/gradle gradle-${gradleVersion}-bin.zip
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sudo rm -rf gradle-${gradleVersion}-bin.zip
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#ls /opt/gradle/gradle-${gradleVersion} # For debugging installation
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fi
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export PATH=/opt/gradle/gradle-${gradleVersion}/bin:$PATH
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if [[ shouldBeCarefulWithMaxHeap -eq 1 ]]; then
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# Update the max-heap-size based on the machine's physical memory.
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machine_memory_mb=$(grep MemTotal /proc/meminfo | awk '{print $2}' | xargs -I {} echo "scale=4; {}/1024" | bc) # It returns the size in MB.
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max_heap_size_mb=$(echo "($machine_memory_mb - 800)/1" | bc) # Leave 800 MB to the system (the "()/1" is used to take the floor value).
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# Now, we replace the "-Xmx" parameter inside the "./build.gradle" file, with "-Xmx${max_heap_size}m"
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echo -e "\n\nThe max-heap-size (-Xmx) will be set to: ${max_heap_size_mb}m\n\n"
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sed -i "s/'-Xmx[0-9]\+[gm]'/'-Xmx${max_heap_size_mb}m'/g" ./build.gradle
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fi
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gradle wrapper --gradle-version=${gradleVersion} --distribution-type=bin
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#gradle tasks # For debugging installation
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#gradle -v # For debugging installation
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gradle clean build # --refresh-dependencies # --info
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else
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export PATH=/opt/gradle/gradle-${gradleVersion}/bin:$PATH # Make sure the gradle is still accessible (it usually isn't without the "export").
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fi
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gradle bootRun
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