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96 行
1.8 KiB
96 行
1.8 KiB
#!/usr/bin/env bash
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#
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# Summary: Display the full path to an executable
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#
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# Usage: pyenv which <command>
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#
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# Displays the full path to the executable that pyenv will invoke when
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# you run the given command.
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set -e
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[ -n "$PYENV_DEBUG" ] && set -x
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# Provide pyenv completions
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if [ "$1" = "--complete" ]; then
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exec pyenv shims --short
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fi
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expand_path() {
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if [ ! -d "$1" ]; then
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return 1
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fi
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local cwd="$(pwd)"
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cd "$1"
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pwd
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cd "$cwd"
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}
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remove_from_path() {
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local path_to_remove="$(expand_path "$1")"
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local result=""
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if [ -z "$path_to_remove" ]; then
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echo "${PATH}"
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return
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fi
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local paths
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IFS=: paths=($PATH)
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for path in "${paths[@]}"; do
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path="$(expand_path "$path" || true)"
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if [ -n "$path" ] && [ "$path" != "$path_to_remove" ]; then
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result="${result}${path}:"
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fi
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done
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echo "${result%:}"
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}
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OLDIFS="$IFS"
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IFS=: versions=($(pyenv-version-name))
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IFS=: PYENV_VERSION="${versions[*]}"
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IFS="$OLDIFS"
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PYENV_COMMAND="$1"
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if [ -z "$PYENV_COMMAND" ]; then
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pyenv-help --usage which >&2
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exit 1
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fi
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for version in "${versions[@]}"; do
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if [ "$version" = "system" ]; then
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PATH="$(remove_from_path "${PYENV_ROOT}/shims")"
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PYENV_COMMAND_PATH="$(command -v "$PYENV_COMMAND" || true)"
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else
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PYENV_COMMAND_PATH="${PYENV_ROOT}/versions/${version}/bin/${PYENV_COMMAND}"
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fi
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if [ -x "$PYENV_COMMAND_PATH" ]; then
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break
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fi
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done
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OLDIFS="$IFS"
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IFS=$'\n' scripts=(`pyenv-hooks which`)
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IFS="$OLDIFS"
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for script in "${scripts[@]}"; do
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source "$script"
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done
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if [ -x "$PYENV_COMMAND_PATH" ]; then
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echo "$PYENV_COMMAND_PATH"
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else
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echo "pyenv: $PYENV_COMMAND: command not found" >&2
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versions="$(pyenv-whence "$PYENV_COMMAND" || true)"
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if [ -n "$versions" ]; then
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{ echo
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echo "The \`$1' command exists in these Python versions:"
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echo "$versions" | sed 's/^/ /g'
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echo
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} >&2
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fi
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exit 127
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fi
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