dotfiles-setup

#!/bin/bash

# http://redsymbol.net/articles/unofficial-bash-strict-mode/
set -uo pipefail

NAME="$(basename "$0")"
# install scripts should start with this prefix
PREFIX="_$NAME-"

# split PATH into an array
IFS=: read -r -d '' -a PATHS < <(printf '%s:\0' "$PATH")

# account for differences between GNU and BSD find
function _find() {
  if [[ "$OSTYPE" == "linux-gnu" ]]; then
    find "$@" -printf "%f\n"
  elif [[ "$OSTYPE" == "darwin"* ]]; then
    find "$@" -print0 | xargs -0 stat -f '%i '
  fi
}

# find every script in PATH with the prefix
found=()
for dir in "${PATHS[@]}"; do
  if [[ ! -d "$dir" ]]; then
    continue
  fi

  found+=("$(_find -L "$dir" -type f -name "$PREFIX*")")
done
scripts=("$(printf '%s\n' "${found[@]}" | awk 'NF{$1=$1;print}' | sort | uniq | sed -z '$ s/\n$//')")

# run every script with the same arguments
for script in ${scripts[@]}; do
  "$script" "$@"
done