pyenv/libexec/rbenv
Jason Karns 06e4f1b682 explicit --version flag
Without it, it falls back to `--version` being executed as a subcommand,
which works but isn't obvious
2015-11-19 11:14:59 -05:00

116 lines
2.3 KiB
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Executable file

#!/usr/bin/env bash
set -e
export -n CDPATH
if [ "$1" = "--debug" ]; then
export RBENV_DEBUG=1
shift
fi
if [ -n "$RBENV_DEBUG" ]; then
export PS4='+ [${BASH_SOURCE##*/}:${LINENO}] '
set -x
fi
if enable -f "${BASH_SOURCE%/*}"/../libexec/rbenv-realpath.dylib realpath 2>/dev/null; then
abs_dirname() {
local path="$(realpath "$1")"
echo "${path%/*}"
}
else
if [ -n "$RBENV_NATIVE_EXT" ]; then
echo "rbenv: failed to load \`realpath' builtin" >&2
exit 1
fi
READLINK=$(type -p greadlink readlink | head -1)
if [ -z "$READLINK" ]; then
echo "rbenv: cannot find readlink - are you missing GNU coreutils?" >&2
exit 1
fi
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
cd "$RBENV_DIR" 2>/dev/null || {
echo "rbenv: cannot change working directory to \`$RBENV_DIR'"
exit 1
} >&2
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
export RBENV_HOOK_PATH
shopt -u nullglob
command="$1"
case "$command" in
"" )
{ rbenv---version
rbenv-help
} >&2
exit 1
;;
-v | --version )
exec rbenv---version
;;
-h | --help )
exec rbenv-help
;;
* )
command_path="$(command -v "rbenv-$command" || true)"
if [ -z "$command_path" ]; then
echo "rbenv: no such command \`$command'" >&2
exit 1
fi
shift 1
exec "$command_path" "$@"
;;
esac