mirror of
https://github.com/pyenv/pyenv.git
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101 lines
2.4 KiB
Bash
Executable file
101 lines
2.4 KiB
Bash
Executable file
#!/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> [--nosystem]
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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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# Use --nosystem argument in case when you don't need to search command in the
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# system environment.
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#
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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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if [ "$2" = "--nosystem" ]; then
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system=""
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else
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system="system"
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fi
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remove_from_path() {
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local path_to_remove="$1"
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local path_before
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local result=":${PATH//\~/$HOME}:"
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while [ "$path_before" != "$result" ]; do
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path_before="$result"
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result="${result//:$path_to_remove:/:}"
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done
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result="${result%:}"
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echo "${result#:}"
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}
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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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OLDIFS="$IFS"
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IFS=: versions=(${PYENV_VERSION:-$(pyenv-version-name)})
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IFS="$OLDIFS"
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declare -a nonexistent_versions
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for version in "${versions[@]}" "$system"; 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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# $version may be a prefix to be resolved by pyenv-latest
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version_path="$(pyenv-prefix "${version}" 2>/dev/null)" || \
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{ nonexistent_versions+=("$version"); continue; }
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# resolve $version for hooks
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version="$(basename "$version_path")"
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PYENV_COMMAND_PATH="$version_path/bin/${PYENV_COMMAND}"
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unset version_path
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fi
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if [ -x "$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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if (( ${#nonexistent_versions[@]} )); then
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for version in "${nonexistent_versions[@]}"; do
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echo "pyenv: version \`$version' is not installed (set by $(pyenv-version-origin))" >&2
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done
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exit 1
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fi
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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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echo "Note: See 'pyenv help global' for tips on allowing both"
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echo " python2 and python3 to be found."
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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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