install.sh

#!/bin/sh
# -*-mode:sh-*- vim:ft=shell-script

# ~/.local/share/chezmoi/install.sh
# =============================================================================
# An install script, suitable for use with Github Codespaces
#
# Reference: https://www.chezmoi.io/reference/commands/generate/

set -e # -e: exit on error

if [ ! "$(command -v chezmoi)" ]; then
  bin_dir="$HOME/.local/bin"
  chezmoi="$bin_dir/chezmoi"
  if [ "$(command -v curl)" ]; then
    sh -c "$(curl -fsLS https://get.chezmoi.io)" -- -b "$bin_dir"
  elif [ "$(command -v wget)" ]; then
    sh -c "$(wget -qO- https://get.chezmoi.io)" -- -b "$bin_dir"
  else
    echo "To install chezmoi, you must have curl or wget installed." >&2
    exit 1
  fi
else
  chezmoi=chezmoi
fi

# POSIX way to get script's dir: https://stackoverflow.com/a/29834779/12156188
script_dir="$(cd -P -- "$(dirname -- "$(command -v -- "$0")")" && pwd -P)"
# exec: replace current process with chezmoi init
exec "$chezmoi" init --apply "--source=$script_dir" "$@"