mdw@git.distorted.org.uk Git - termux-packages/blob - packages/termux-tools/chsh

   1 #!/bin/sh
   2
   3 set -e -u
   4
   5 show_usage () {
   6         echo "usage: chsh [-s shell]"
   7         echo "Change the login shell."
   8 }
   9
  10 set_shell () {
  11         if [ "$1" = login ]; then
  12                 echo "login is not a valid shell"
  13                 exit 1
  14         fi
  15         mkdir -p $HOME/.termux
  16         NEW_SHELL=$PREFIX/bin/$1
  17         if test -x $NEW_SHELL -a ! -d $NEW_SHELL; then
  18                 ln -f -s $NEW_SHELL $HOME/.termux/shell
  19         else
  20                 echo "$NEW_SHELL is not an executable file!"
  21         fi
  22 }
  23
  24 O=`getopt -l help -- hs: "$@"`
  25 eval set -- "$O"
  26 while true; do
  27         case "$1" in
  28                 -h|--help) show_usage; exit 0;;
  29                 -s) set_shell $2; exit 0;;
  30                 --)     shift; break;;
  31                 *)      echo Error; show_usage; exit 1;;
  32         esac
  33 done
  34
  35 DEFAULT_SHELL=bash
  36 if [ ! -x $PREFIX/bin/$DEFAULT_SHELL ]; then DEFAULT_SHELL=ash; fi
  37
  38 echo Changing the login shell
  39 echo Enter the new value, or press ENTER for the default
  40 printf "        Login Shell [$DEFAULT_SHELL]: "
  41 read shell
  42
  43 if [ -z "$shell" ]; then shell=$DEFAULT_SHELL; fi
  44 set_shell $shell