pyenv/libexec/rbenv
Marco Hinz af53c790cc
Better error message for rbenv shell
Shell integration is not enabled by default. This means that, from all the
commands from `rbenv commands`, only "shell" won't work right away.

Replace "no such command" with a more descriptive message that points to
`rbenv init` instead.
2017-12-07 02:32:34 +01:00

128 lines
2.6 KiB
Bash
Executable file

#!/usr/bin/env bash
set -e
if [ "$1" = "--debug" ]; then
export RBENV_DEBUG=1
shift
fi
if [ -n "$RBENV_DEBUG" ]; then
export PS4='+ [${BASH_SOURCE##*/}:${LINENO}] '
set -x
fi
abort() {
{ if [ "$#" -eq 0 ]; then cat -
else echo "rbenv: $*"
fi
} >&2
exit 1
}
if enable -f "${BASH_SOURCE%/*}"/../libexec/rbenv-realpath.dylib realpath 2>/dev/null; then
abs_dirname() {
local path
path="$(realpath "$1")"
echo "${path%/*}"
}
else
[ -z "$RBENV_NATIVE_EXT" ] || abort "failed to load \`realpath' builtin"
READLINK=$(type -p greadlink readlink | head -1)
[ -n "$READLINK" ] || abort "cannot find readlink - are you missing GNU coreutils?"
resolve_link() {
$READLINK "$1"
}
abs_dirname() {
local cwd="$PWD"
local path="$1"
while [ -n "$path" ]; do
cd "${path%/*}"
local name="${path##*/}"
path="$(resolve_link "$name" || true)"
done
pwd
cd "$cwd"
}
fi
if [ -z "${RBENV_ROOT}" ]; then
RBENV_ROOT="${HOME}/.rbenv"
else
RBENV_ROOT="${RBENV_ROOT%/}"
fi
export RBENV_ROOT
if [ -z "${RBENV_DIR}" ]; then
RBENV_DIR="$PWD"
else
[[ $RBENV_DIR == /* ]] || RBENV_DIR="$PWD/$RBENV_DIR"
cd "$RBENV_DIR" 2>/dev/null || abort "cannot change working directory to \`$RBENV_DIR'"
RBENV_DIR="$PWD"
cd "$OLDPWD"
fi
export RBENV_DIR
shopt -s nullglob
bin_path="$(abs_dirname "$0")"
for plugin_bin in "${RBENV_ROOT}/plugins/"*/bin; do
PATH="${plugin_bin}:${PATH}"
done
export PATH="${bin_path}:${PATH}"
RBENV_HOOK_PATH="${RBENV_HOOK_PATH}:${RBENV_ROOT}/rbenv.d"
if [ "${bin_path%/*}" != "$RBENV_ROOT" ]; then
# Add rbenv's own `rbenv.d` unless rbenv was cloned to RBENV_ROOT
RBENV_HOOK_PATH="${RBENV_HOOK_PATH}:${bin_path%/*}/rbenv.d"
fi
RBENV_HOOK_PATH="${RBENV_HOOK_PATH}:/usr/local/etc/rbenv.d:/etc/rbenv.d:/usr/lib/rbenv/hooks"
for plugin_hook in "${RBENV_ROOT}/plugins/"*/etc/rbenv.d; do
RBENV_HOOK_PATH="${RBENV_HOOK_PATH}:${plugin_hook}"
done
RBENV_HOOK_PATH="${RBENV_HOOK_PATH#:}"
export RBENV_HOOK_PATH
shopt -u nullglob
command="$1"
case "$command" in
"" )
{ rbenv---version
rbenv-help
} | abort
;;
-v | --version )
exec rbenv---version
;;
-h | --help )
exec rbenv-help
;;
* )
command_path="$(command -v "rbenv-$command" || true)"
if [ -z "$command_path" ]; then
if [ "$command" == "shell" ]; then
abort "shell integration not enabled. Run \`rbenv init' for instructions."
else
abort "no such command \`$command'"
fi
fi
shift 1
if [ "$1" = --help ]; then
if [[ "$command" == "sh-"* ]]; then
echo "rbenv help \"$command\""
else
exec rbenv-help "$command"
fi
else
exec "$command_path" "$@"
fi
;;
esac