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