#!/usr/bin/env bash

set -Eeuo pipefail

# From https://github.com/ipfs/go-ipfs/blob/ccef991a194beaedf009b1d0702b1150db3da0a6/cmd/ipfs/dist/install.sh

#

# Installation script for powergate. It tries to move $bin in one of the

# directories stored in $binpaths.

INSTALL_DIR="$(dirname "$0")"

file="$INSTALL_DIR/{{ .Env.POW_FILE }}"

binpaths="/usr/local/bin /usr/bin"

# This variable contains a nonzero length string in case the script fails

# because of missing write permissions.

is_write_perm_missing=""

for binpath in $binpaths; do

if mv "$file" "$binpath/$file" 2>/dev/null; then

echo "Moved $file to $binpath"

exit 0

else

if test -d "$binpath" && ! test -w "$binpath"; then

is_write_perm_missing=1

fi

fi

done

echo "We cannot install $file in one of the directories $binpaths"

if test -n "$is_write_perm_missing"; then

echo "It seems that we do not have the necessary write permissions."

echo "Perhaps try running this script as a privileged user:"

echo

echo " sudo $0"

echo

fi

exit 1