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