mdw@git.distorted.org.uk Git - termux-packages/blob - packages/proot/termux-chroot

   1 #!/bin/sh
   2
   3 if [ $# != 0 ]; then
   4         echo "termux-chroot: Setup a chroot to mimic a normal Linux file system"
   5         echo ""
   6         echo "Execute without arguments to run a chroot with traditional file system"
   7         echo "hierarchy (having e.g. the folders /bin, /etc and /usr) within Termux."
   8         exit
   9 fi
  10
  11 # For the /system/bin/linker(64) to be found:
  12 ARGS="-b /system:/system"
  13
  14 # Bind $PREFIX so Termux programs expecting
  15 # to find e.g. configurations files there work.
  16 ARGS="$ARGS -b $PREFIX/..:$PREFIX/.."
  17
  18 # Expose external and internal storage:
  19 if [ -d /storage ]; then
  20         ARGS="$ARGS -b /storage:/storage"
  21 fi
  22
  23 # Mimic traditional Linux file system hierarchy - /usr:
  24 ARGS="$ARGS -b $PREFIX:/usr"
  25
  26 # Mimic traditional Linux file system hierarchy - other Termux dirs:
  27 for f in bin etc lib share tmp var; do
  28         ARGS="$ARGS -b $PREFIX/$f:/$f"
  29 done
  30
  31 # Mimic traditional Linux file system hierarchy- system dirs:
  32 for f in dev proc; do
  33         ARGS="$ARGS -b /$f:/$f"
  34 done
  35
  36 # Set /home as current directory:
  37 ARGS="$ARGS --cwd=/home"
  38
  39 # Root of the file system:
  40 ARGS="$ARGS -r $PREFIX/.."
  41
  42 # Program to execute:
  43 PROGRAM=/bin/bash
  44 if [ -x $HOME/.termux/shell ]; then
  45         PROGRAM=`readlink -f $HOME/.termux/shell`
  46 fi
  47 ARGS="$ARGS $PROGRAM -l"
  48
  49 export HOME=/home
  50 $PREFIX/bin/proot $ARGS