mirror of
https://github.com/pyenv/pyenv.git
synced 2024-09-20 01:15:37 -04:00
878bd87328
`$SHELL` variable is a terrible way of detecting the current shell because it's not even supposed to reflect the current shell; it's meant for keeping the value of the default shell for programs to start. If an explicit `<shell>` argument wasn't passed to `rbenv init`, it tries to detect the shell by getting the name of its parent process. If this fails, it falls back on the value of `$SHELL` as before. Furthermore, `rbenv init` will set the RBENV_SHELL variable in the current shell to the value of the detected shell so that `sh-shell` and `sh-rehash` commands don't have to repeat the detection.
64 lines
1.4 KiB
Bash
Executable file
64 lines
1.4 KiB
Bash
Executable file
#!/usr/bin/env bash
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#
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# Summary: Set or show the shell-specific Ruby version
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#
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# Usage: rbenv shell <version>
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# rbenv shell --unset
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#
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# Sets a shell-specific Ruby version by setting the `RBENV_VERSION'
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# environment variable in your shell. This version overrides local
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# application-specific versions and the global version.
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#
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# <version> should be a string matching a Ruby version known to rbenv.
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# The special version string `system' will use your default system Ruby.
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# Run `rbenv versions' for a list of available Ruby versions.
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set -e
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[ -n "$RBENV_DEBUG" ] && set -x
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# Provide rbenv completions
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if [ "$1" = "--complete" ]; then
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echo --unset
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echo system
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exec rbenv-versions --bare
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fi
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version="$1"
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shell="$(basename "${RBENV_SHELL:-$SHELL}")"
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if [ -z "$version" ]; then
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if [ -z "$RBENV_VERSION" ]; then
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echo "rbenv: no shell-specific version configured" >&2
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exit 1
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else
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echo "echo \"\$RBENV_VERSION\""
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exit
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fi
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fi
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if [ "$version" = "--unset" ]; then
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case "$shell" in
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fish )
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echo "set -e RBENV_VERSION"
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;;
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* )
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echo "unset RBENV_VERSION"
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;;
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esac
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exit
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fi
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# Make sure the specified version is installed.
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if rbenv-prefix "$version" >/dev/null; then
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case "$shell" in
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fish )
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echo "setenv RBENV_VERSION \"${version}\""
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;;
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* )
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echo "export RBENV_VERSION=\"${version}\""
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;;
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esac
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else
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echo "false"
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exit 1
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fi
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