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63 lines
2.4 KiB
Bash
63 lines
2.4 KiB
Bash
#!/bin/bash
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################################################################################
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## File: julia.sh
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## Desc: Installs Julia, and adds Julia to the path
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################################################################################
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# Source the helpers for use with the script
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source $HELPER_SCRIPTS/document.sh
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# This function fetches the latest Julia release from the GitHub API
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# Based on https://gist.github.com/lukechilds/a83e1d7127b78fef38c2914c4ececc3c
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function GetLatestJuliaRelease () {
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curl --silent "https://api.github.com/repos/julialang/julia/releases/latest" |
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grep '"tag_name":' |
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sed -E 's/.*"([^"]+)".*/\1/' |
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sed 's/v//' # remove v prefix
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}
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# This function installs Julia using the specified arguments:
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# $1=MajorAndMinorVersion (1.3.1)
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# $2=IsDefaultVersion (true or false)
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function InstallJulia () {
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# Extract Major and Minor version from full version string
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juliaMajorAndMinorVersion="$(sed 's/\.[^.]*$//' <<< $1)"
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curl -sL "https://julialang-s3.julialang.org/bin/linux/x64/$juliaMajorAndMinorVersion/julia-$1-linux-x86_64.tar.gz" -o "julia-$1-linux-x86_64.tar.gz"
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mkdir -p "/usr/local/julia$juliaMajorAndMinorVersion"
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tar -C "/usr/local/julia$juliaMajorAndMinorVersion" -xzf "julia-$1-linux-x86_64.tar.gz" --strip-components=1 julia
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rm "julia-$1-linux-x86_64.tar.gz"
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# If this version of Julia is to be the default version,
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# symlink it into the path
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if [ "$2" = true ]; then
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ln -s "/usr/local/julia$juliaMajorAndMinorVersion/bin/julia" /usr/bin/julia
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fi
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# Run tests to determine that the software installed as expected
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echo "Testing to make sure that script performed as expected, and basic scenarios work"
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# If this version of Julia is to be the default version,
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# check that it has been added to PATH
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if [ "$2" = true ]; then
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if ! command -v julia; then
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echo "Julia was not installed or found on PATH"
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exit 1
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fi
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fi
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# Verify output of julia --version
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if [ ! "$(/usr/local/julia"$juliaMajorAndMinorVersion"/bin/julia --version)" = "julia version $1" ]; then
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echo "Julia was not installed correctly"
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exit 1
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fi
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# Document what was added to the image
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echo "Lastly, documenting what we added to the metadata file"
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DocumentInstalledItem "Julia ($(julia --version))"
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}
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InstallJulia "$(GetLatestJuliaRelease)" true
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