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83e5459cfb
All scripts in libexec/ (excluding pyenv) are called through pyenv, therefore the shebang lines are not necessary. On some systems this provides a measurable increase in performance of the shell prompt. Related to pyenv/pyenv-virtualenv#259
87 lines
1.9 KiB
Text
Executable file
87 lines
1.9 KiB
Text
Executable file
# 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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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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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 "$PYENV_COMMAND_PATH"
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else
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any_not_installed=0
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for version in "${versions[@]}"; do
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if [ "$version" = "system" ]; then
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continue
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fi
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if ! [ -d "${PYENV_ROOT}/versions/${version}" ]; then
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echo "pyenv: version \`$version' is not installed (set by $(pyenv-version-origin))" >&2
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any_not_installed=1
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fi
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done
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if [ "$any_not_installed" = 1 ]; then
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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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} >&2
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fi
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exit 127
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fi
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