iankelling.org Git - log-quiet/blob - setup

   1 #!/bin/bash
   2 # I, Ian Kelling, follow the GNU license recommendations at
   3 # https://www.gnu.org/licenses/license-recommendations.en.html. They
   4 # recommend that small programs, < 300 lines, be licensed under the
   5 # Apache License 2.0. This file contains or is part of one or more small
   6 # programs. If a small program grows beyond 300 lines, I plan to switch
   7 # its license to GPL.
   8
   9 # Copyright 2024 Ian Kelling
  10
  11 # Licensed under the Apache License, Version 2.0 (the "License");
  12 # you may not use this file except in compliance with the License.
  13 # You may obtain a copy of the License at
  14
  15 #     http://www.apache.org/licenses/LICENSE-2.0
  16
  17 # Unless required by applicable law or agreed to in writing, software
  18 # distributed under the License is distributed on an "AS IS" BASIS,
  19 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  20 # See the License for the specific language governing permissions and
  21 # limitations under the License.
  22
  23
  24 set -eE -o pipefail
  25 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
  26
  27 [[ $EUID == 0 ]] || exec sudo "$BASH_SOURCE" "$@"
  28
  29 usage() {
  30   cat <<EOF
  31 Usage: ${0##*/} []
  32 Install or uninstall files to /usr/local/bin
  33
  34 -n|--dry-run     Dry run
  35 -u|--uninstall   Uninstall. default is to install
  36 -h|--help         Print help and exit.
  37
  38 Note: Uses GNU getopt options parsing style
  39 EOF
  40   exit $1
  41 }
  42 dry=false
  43 uninstall=false # default
  44 temp=$(getopt -l help,uninstall,dry-run hun "$@") || usage 1
  45 eval set -- "$temp"
  46 while true; do
  47   case $1 in
  48     -n|--dry-run) dry=true; shift ;;
  49     -u|--uninstall) uninstall=true; shift ;;
  50     -h|--help) usage ;;
  51     --) shift; break ;;
  52     *) echo "$0: Internal error! unexpected args: $*" ; exit 1 ;;
  53   esac
  54 done
  55
  56
  57 x="$(readlink -f "$BASH_SOURCE")"; cd ${x%/*} # directory of this file
  58
  59 files=()
  60 for f in *; do
  61   if [[ -x $f && ! -d $f && ! -L $f && $f != setup ]]; then
  62     files+=($f)
  63   fi
  64 done
  65
  66 if $uninstall; then
  67   if $dry; then
  68     echo "setup dry run: cd /usr/local/bin"
  69     echo "setup dry run: rm -fv ${files[*]}"
  70   else
  71     cd /usr/local/bin
  72     rm -fv ${files[@]}
  73   fi
  74 else
  75   if $dry; then
  76     echo "setup dry run: install ${files[*]} /usr/local/bin"
  77   else
  78     install -C ${files[@]} /usr/local/bin
  79   fi
  80 fi