pixiw

#!/bin/sh

require_ver=0.41

set -euf
[ "${DEBUG-}" != true ] || set -x

IFS=. read -r __req_major __req_minor __req_patch <<-END
	$require_ver
	END

__check_pixi() {
  __pixi="${1-}"
  [ -x "${__pixi-}" ] || hash "${__pixi-}" 2>/dev/null || return 1

  # accept any version
  [ "${__req_major:=0}.${__req_minor:=0}.${__req_patch:=0}" != 0.0.0 ] || return 0

  IFS=' .' read -r __prefix __major __minor __patch <<-END
	$("$__pixi" -V 2>/dev/null)
	END

  [ "${__prefix-}" = pixi ] || return 1

  if [ "${__major:=0}" = "$__req_major" ]; then
    if [ "${__minor:=0}" = "$__req_minor" ]; then
      [ "${__patch:=0}" -ge "$__req_patch" ]
    else
      [ "$__minor" -gt "$__req_minor" ]
    fi
  else
    [ "$__major" -gt "$__req_major" ]
  fi
}

__download_to_stdin() {
  if hash curl 2>/dev/null; then
    curl -sfSL --compressed "$1"
  elif hash wget 2>/dev/null; then
    wget -qO- "$1"
  else
    echo echo "\"[ERROR] you need either 'curl' or 'wget' installed.\""
    echo exit 1
  fi
}

__install_pixi() (
  # require curl, bash and sed commands
  if ! hash bash 2>/dev/null; then
    echo "[ERROR] you do not have 'bash' installed."
    return 1
  fi

  unset PIXI_VERSION PIXI_HOME
  export PIXI_NO_PATH_UPDATE=true

  if [ -n "${URL_MIRROR_github_com-}" ]; then
    if ! hash sed 2>/dev/null; then
      echo "[WARN] you do not have 'sed' installed to use URL_MIRROR_github_com, ignore the mirror."
      unset URL_MIRROR_github_com
    fi
  fi

  : "${PIXI_INSTALLER_URL:=https://raw.githubusercontent.com/prefix-dev/pixi/main/install/install.sh}"
  if [ -n "${URL_MIRROR_github_com-}" ]; then
    __download_to_stdin "${PIXI_INSTALLER_URL-}" | sed "s|https://github.com/|$URL_MIRROR_github_com|g"
  else
    __download_to_stdin "${PIXI_INSTALLER_URL-}"
  fi | bash
)

pixi_prj_rc="${0%/*}/.pixi/rc.sh"

# shellcheck source=/dev/null
[ ! -r "$pixi_prj_rc" ] || PIXIW_INSTALL=1 PIXI_PROJECT_ROOT="${0%/*}" . "$pixi_prj_rc"

if __check_pixi pixi; then
  exec pixi "$@"
elif ! __check_pixi "${HOME:-}/.pixi/bin/pixi"; then
  if __install_pixi; then
    if ! __check_pixi "${HOME:-}/.pixi/bin/pixi"; then
      echo "[ERROR] After install/update, pixi version still does not meet the requirement '${require_ver-}' ." >&2
      exit 1
    fi
  else
    echo "[ERROR] Fail to install/update pixi" >&2
    exit 1
  fi
fi

exec "${HOME:-}/.pixi/bin/pixi" "$@"