| 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 |