Add command to set up Java: mycli setup java

commands/setup/README.md

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+# `mycli setup`
+
+Automate setup tasks and ensure your environment is ready for development

commands/setup/java.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+source "${CLI_DIR}/core/helpers.sh"
+
+##? Set up Java on your computer.
+##?
+##? This script installs 'jenv' and Azul Zulu Java, which works in architectures x86_64 and arm64.
+##?
+##? Usage:
+##?   setup java [--version=VERSION]
+##?
+##? Options:
+##?   --version=VERSION  Java version (8, 11, 17, 21) [default: 21]
+##?
+##? References:
+##? - https://www.oracle.com/java/technologies/java-se-support-roadmap.html
+##? - https://www.azul.com/downloads/?package=jdk#zulu
+##?
+##? Examples:
+##?   setup java
+##?   setup java --version=17
+
+parse_help "$@"
+declare version
+
+color='blue'
+
+new_section_with_color "$color" "Install 'jenv' and Azul Zulu version $version"
+brew install jenv zulu@"$version"
+echo_done
+
+new_section_with_color "$color" "Edit '$HOME/.zshrc' to set up 'jenv'"
+# shellcheck disable=SC2016
+if grep -q '^eval "$(jenv init -)"' "$HOME/.zshrc"; then
+  echo "'jenv' is already set up in '$HOME/.zshrc'. No changes needed."
+else
+  cat <<'EOL' >>"$HOME/.zshrc"
+
+# >>> jenv >>>
+export PATH="$HOME/.jenv/bin:$PATH"
+eval "$(jenv init -)"
+# <<< jenv <<<
+EOL
+fi
+echo_done
+
+new_section_with_color "$color" "Enable 'jenv' 'export' plugin"
+export PATH="$HOME/.jenv/bin:$PATH"
+export PROMPT_COMMAND="" # Fix for unbound PROMPT_COMMAND in non-interactive shells
+eval "$(jenv init -)"
+jenv enable-plugin export
+echo_done
+
+# new_section_with_color "$color" "Restart shell"
+# source "$HOME/.zshrc"
+# echo_done
+
+new_section_with_color "$color" "Remove current Java versions from 'jenv'"
+rm -f ~/.jenv/shims/.jenv-shim
+for v in $(jenv versions --bare); do
+  jenv remove "$v"
+done
+rm -f ~/.jenv/version
+echo_done
+
+new_section_with_color "$color" "Check current state of 'jenv'"
+jenv versions --verbose
+# jenv doctor
+# echo "Run 'jenv remove ...' if you get the error 'jenv: version ... is not installed'"
+
+new_section_with_color "$color" "Show all 'java' command paths"
+java_paths=$(find /Library/Java/JavaVirtualMachines \
+  -type f \
+  -path '*/Contents/Home/bin/*' \
+  -name 'java' |
+  sed 's:bin/java$::')
+echo "$java_paths"
+echo_done
+
+new_section_with_color "$color" "Add all 'java' commands to 'jenv'"
+while IFS= read -r java_path; do
+  jenv add "$java_path"
+done <<<"$java_paths"
+echo_done
+
+new_section_with_color "$color" "Set global Java version"
+if [[ $version == '8' ]]; then
+  global_version='1.8'
+else
+  global_version="$version"
+fi
+echo "Setting global Java version to '$global_version'..."
+jenv global "$global_version"
+echo_done
+
+new_section_with_color "$color" "Check current state of 'jenv'"
+echo "'jenv versions':"
+jenv versions --verbose
+echo
+echo "'jenv doctor':"
+jenv doctor || :
+
+new_section_with_color "$color" "'java --version' output"
+java --version