mirror of
https://github.com/pyenv/pyenv.git
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dcba8b4064
The syntax `head -NUM` was deprecated in the POSIX standard. https://pubs.opengroup.org/onlinepubs/9699919799/utilities/head.html
129 lines
2.8 KiB
Bash
Executable file
129 lines
2.8 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -e
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if [ "$1" = "--debug" ]; then
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export RBENV_DEBUG=1
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shift
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fi
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if [ -n "$RBENV_DEBUG" ]; then
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# https://wiki-dev.bash-hackers.org/scripting/debuggingtips#making_xtrace_more_useful
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export PS4='+(${BASH_SOURCE}:${LINENO}): ${FUNCNAME[0]:+${FUNCNAME[0]}(): }'
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set -x
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fi
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abort() {
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{ if [ "$#" -eq 0 ]; then cat -
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else echo "rbenv: $*"
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fi
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} >&2
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exit 1
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}
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if enable -f "${BASH_SOURCE%/*}"/../libexec/rbenv-realpath.dylib realpath 2>/dev/null; then
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abs_dirname() {
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local path
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path="$(realpath "$1")"
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echo "${path%/*}"
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}
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else
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[ -z "$RBENV_NATIVE_EXT" ] || abort "failed to load \`realpath' builtin"
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READLINK=$(type -p greadlink readlink 2>/dev/null | head -n1)
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[ -n "$READLINK" ] || abort "cannot find readlink - are you missing GNU coreutils?"
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resolve_link() {
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$READLINK "$1"
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}
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abs_dirname() {
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local cwd="$PWD"
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local path="$1"
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while [ -n "$path" ]; do
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cd "${path%/*}"
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local name="${path##*/}"
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path="$(resolve_link "$name" || true)"
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done
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pwd
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cd "$cwd"
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}
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fi
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if [ -z "${RBENV_ROOT}" ]; then
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RBENV_ROOT="${HOME}/.rbenv"
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else
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RBENV_ROOT="${RBENV_ROOT%/}"
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fi
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export RBENV_ROOT
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if [ -z "${RBENV_DIR}" ]; then
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RBENV_DIR="$PWD"
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else
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[[ $RBENV_DIR == /* ]] || RBENV_DIR="$PWD/$RBENV_DIR"
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cd "$RBENV_DIR" 2>/dev/null || abort "cannot change working directory to \`$RBENV_DIR'"
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RBENV_DIR="$PWD"
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cd "$OLDPWD"
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fi
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export RBENV_DIR
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shopt -s nullglob
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bin_path="$(abs_dirname "$0")"
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for plugin_bin in "${RBENV_ROOT}/plugins/"*/bin; do
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PATH="${plugin_bin}:${PATH}"
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done
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export PATH="${bin_path}:${PATH}"
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RBENV_HOOK_PATH="${RBENV_HOOK_PATH}:${RBENV_ROOT}/rbenv.d"
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if [ "${bin_path%/*}" != "$RBENV_ROOT" ]; then
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# Add rbenv's own `rbenv.d` unless rbenv was cloned to RBENV_ROOT
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RBENV_HOOK_PATH="${RBENV_HOOK_PATH}:${bin_path%/*}/rbenv.d"
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fi
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RBENV_HOOK_PATH="${RBENV_HOOK_PATH}:/usr/local/etc/rbenv.d:/etc/rbenv.d:/usr/lib/rbenv/hooks"
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for plugin_hook in "${RBENV_ROOT}/plugins/"*/etc/rbenv.d; do
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RBENV_HOOK_PATH="${RBENV_HOOK_PATH}:${plugin_hook}"
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done
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RBENV_HOOK_PATH="${RBENV_HOOK_PATH#:}"
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export RBENV_HOOK_PATH
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shopt -u nullglob
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command="$1"
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case "$command" in
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"" )
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{ rbenv---version
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rbenv-help
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} | abort
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;;
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-v | --version )
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exec rbenv---version
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;;
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-h | --help )
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exec rbenv-help
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;;
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* )
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command_path="$(command -v "rbenv-$command" || true)"
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if [ -z "$command_path" ]; then
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if [ "$command" == "shell" ]; then
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abort "shell integration not enabled. Run \`rbenv init' for instructions."
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else
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abort "no such command \`$command'"
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fi
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fi
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shift 1
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if [ "$1" = --help ]; then
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if [[ "$command" == "sh-"* ]]; then
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echo "rbenv help \"$command\""
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else
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exec rbenv-help "$command"
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fi
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else
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exec "$command_path" "$@"
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fi
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;;
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esac
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