3 SCRIPTNAME
=termux-chroot
5 echo "Usage: $SCRIPTNAME [command]"
6 echo "termux-chroot: Setup a chroot to mimic a normal Linux file system"
8 echo "Execute a command in a chroot with traditional file system hierarchy"
9 echo "(having e.g. the folders /bin, /etc and /usr) within Termux."
10 echo "If run without argument, the default shell will be executed"
14 while getopts :h option
18 ?
) echo "$SCRIPTNAME: illegal option -$OPTARG"; exit 1;
23 # For the /system/bin/linker(64) to be found:
24 ARGS
="-b /system:/system"
26 # On some devices /vendor is required for termux packages to work correctly
27 # See https://github.com/termux/proot/issues/2#issuecomment-303995382
28 ARGS
="$ARGS -b /vendor:/vendor"
30 # Bind /data to include system folders such as /data/misc. Also $PREFIX
31 # and $HOME so that Termux programs with hard-coded paths continue to work:
32 ARGS
="$ARGS -b /data:/data"
34 if [ -f
/property_contexts
]; then
35 # Used by getprop (see https://github.com/termux/termux-packages/issues/1076)
36 # but does not exist on Android 8.
37 ARGS
="$ARGS -b /property_contexts:/property_contexts"
40 # Expose external and internal storage:
41 if [ -d
/storage
]; then
42 ARGS
="$ARGS -b /storage:/storage"
45 # Mimic traditional Linux file system hierarchy - /usr:
46 ARGS
="$ARGS -b $PREFIX:/usr"
48 # Mimic traditional Linux file system hierarchy - other Termux dirs:
49 for f
in bin etc lib share tmp var
; do
50 ARGS
="$ARGS -b $PREFIX/$f:/$f"
53 # Mimic traditional Linux file system hierarchy- system dirs:
55 ARGS
="$ARGS -b /$f:/$f"
58 # Set /home as current directory:
59 ARGS
="$ARGS --cwd=/home"
61 # Root of the file system:
62 ARGS
="$ARGS -r $PREFIX/.."
68 if [ -x
$HOME/.termux
/shell
]; then
69 PROGRAM
=`readlink -f $HOME/.termux/shell`
71 # Execute shell if no command has been supplied
73 ARGS
="$ARGS $PROGRAM -l"
74 exec $PREFIX/bin
/proot
$ARGS
76 # When a command is executed directly instead of opening a shell run
77 # the command in the current working directory instead of in /home
79 # Start supplied command with "sh -c" so things like these work:
80 # termux-chroot "make;make install"
81 # termux-chroot "SOME_CONFIG=value ./configure"
82 exec $PREFIX/bin
/proot
$ARGS sh
-c
"$*"