rbenv/libexec/rbenv-which
2022-10-09 14:48:13 +02:00

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#!/usr/bin/env bash
#
# Summary: Display the full path to an executable
#
# Usage: rbenv which <command>
#
# Displays the full path to the executable that rbenv will invoke when
# you run the given command.
set -e
[ -n "$RBENV_DEBUG" ] && set -x
# Provide rbenv completions
if [ "$1" = "--complete" ]; then
exec rbenv-shims --short
fi
remove_from_path() {
local path_to_remove="$1"
local path_before
local result=":${PATH//\~/$HOME}:"
while [ "$path_before" != "$result" ]; do
path_before="$result"
result="${result//:$path_to_remove:/:}"
done
result="${result%:}"
echo "${result#:}"
}
RBENV_COMMAND="$1"
if [ -z "$RBENV_COMMAND" ]; then
rbenv-help --usage which >&2
exit 1
fi
RBENV_VERSION="${RBENV_VERSION:-$(rbenv-version-name)}"
if [ "$RBENV_VERSION" = "system" ]; then
PATH="$(remove_from_path "${RBENV_ROOT}/shims")" \
RBENV_COMMAND_PATH="$(command -v "$RBENV_COMMAND" || true)"
else
RBENV_COMMAND_PATH="${RBENV_ROOT}/versions/${RBENV_VERSION}/bin/${RBENV_COMMAND}"
fi
if [[ ! -x "$RBENV_COMMAND_PATH" && -n "$GEM_HOME" && -x "${GEM_HOME}/bin/${RBENV_COMMAND}" ]]; then
RBENV_COMMAND_PATH="${GEM_HOME}/bin/${RBENV_COMMAND}"
fi
IFS=$'\n' read -d '' -r -a scripts <<<"$(rbenv-hooks which)" || true
for script in "${scripts[@]}"; do
# shellcheck disable=SC1090
source "$script"
done
if [ -x "$RBENV_COMMAND_PATH" ]; then
echo "$RBENV_COMMAND_PATH"
elif [ "$RBENV_VERSION" != "system" ] && [ ! -d "${RBENV_ROOT}/versions/${RBENV_VERSION}" ]; then
echo "rbenv: version \`$RBENV_VERSION' is not installed (set by $(rbenv-version-origin))" >&2
exit 1
else
echo "rbenv: $RBENV_COMMAND: command not found" >&2
versions="$(rbenv-whence "$RBENV_COMMAND" || true)"
if [ -n "$versions" ]; then
{ echo
echo "The \`$1' command exists in these Ruby versions:"
echo "$versions" | sed 's/^/ /g'
echo
} >&2
fi
exit 127
fi