More information about what's been done here:
https://plus.google.com/+OliverSchmidhauser/posts/FVqBDPdNzUd
TERMUX_PKG_HOMEPAGE=http://proot.me/
TERMUX_PKG_DESCRIPTION="Emulate chroot, bind mount and binfmt_misc for non-root users"
# Just bump commit and version when needed:
-_COMMIT=6c2b210e3887386a34bcafa154997aa03c291f7f
-TERMUX_PKG_VERSION=5.1.101
+_COMMIT=9fc1f2db56712f1bee38b568f5d4cf862763fd88
+TERMUX_PKG_VERSION=5.1.102
TERMUX_PKG_SRCURL=https://github.com/termux/proot/archive/${_COMMIT}.zip
TERMUX_PKG_FOLDERNAME=proot-$_COMMIT
TERMUX_PKG_DEPENDS="libtalloc"