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55 lines
1.8 KiB
Bash
Executable file
55 lines
1.8 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -e
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print_set_version() {
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echo "<version> should be a string matching a Ruby version known by rbenv."
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local versions="$(rbenv-versions --bare)"
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if [ -z "$versions" ]; then
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echo "There are currently no Ruby versions installed for rbenv."
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else
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echo "The currently installed Ruby versions are:"
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echo "$versions" | sed 's/^/ /'
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fi
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echo
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echo "The special version string 'system' will use your default system Ruby."
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}
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case "$1" in
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"") echo "usage: rbenv <command> [<args>]
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Some useful rbenv commands are:
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commands List all commands
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rehash Rehash rbenv shims (run this after installing binaries)
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global Set or show the global Ruby version
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local Set or show the local directory-specific Ruby version
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version Show the current Ruby version
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versions List all Ruby versions known by rbenv
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See 'rbenv help <command>' for more information on a specific command.
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For more information, see: https://github.com/sstephenson/rbenv#readme"
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;;
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global) echo "usage: rbenv global <version>
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Sets the global Ruby version. You can override the global version at
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any time by setting a directory-specific version with \`rbenv local'
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or by setting the RBENV_VERSION environment variable.
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$(print_set_version)"
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;;
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local) echo "usage: rbenv local <version>
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Sets the local directory-specific Ruby version by writing the version
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name to a file named '.rbenv-version'.
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When you run a Ruby command, rbenv will look for an '.rbenv-version'
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file in the current directory and each parent directory. If no such
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file is found in the tree, rbenv will use the global Ruby version
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specified with \`rbenv global', or the version specified in the
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RBENV_VERSION environment variable.
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$(print_set_version)"
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;;
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*) echo "No command arguments needed or invalid/undocumented command."
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esac
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