run-debian.sh

#!/data/data/com.termux/files/usr/bin/bash
# A Sourcefile to launch debian container within DebDroid
# This is not a launch command, this is required by the debdroid launch script
DEBIAN_FS="/data/data/com.termux/files/debian"
DEBIAN_HOSTNAME="$(cat /data/data/com.termux/files/debian/etc/hostname)"
DEBIAN_USER_INFO="$(cat /data/data/com.termux/files/debian/var/debdroid/userinfo.rc)"
DEBIAN_MOUNTPOINTS_INFO="/data/data/com.termux/files/debian/var/debdroid/mountpoints.conf"

# Unset LD_PRELOAD which it redefines termux-exec() hook
unset LD_PRELOAD

# Generate procfiles
gen_proc_files(){
# /proc/stat
cat > "${DEBIAN_FS}/var/debdroid/binds/fstat" <<- EOM
cpu  4058 0 3089 2779550 170 0 480 0 0 0
cpu0  4058 0 3089 2779550 170 0 480 0 0 0
intr 283344 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
ctxt 844257
btime 1613040871
processes 1002
procs_running 1
procs_blocked 0
softirq 405867 0 111579 0 72119 7205 0 14982 113430 0 86552
EOM
# /proc/version
cat > "${DEBIAN_FS}/var/debdroid/binds/fversion" <<- EOM
Linux version 5.4.0-debdroid (termux@android) (gcc version 8.6.4 (GCC)) #1 SMP Tue Jun 23 12:58:10 UTC 2020
EOM
# /proc/vmstat
cat > "${DEBIAN_FS}/var/debdroid/binds/fvmstat" <<- EOM
nr_free_pages 713737
nr_zone_inactive_anon 2
nr_zone_active_anon 17697
nr_zone_inactive_file 2434
nr_zone_active_file 14878
nr_zone_unevictable 0
nr_zone_write_pending 17
nr_mlock 0
nr_page_table_pages 536
nr_kernel_stack 1748
nr_bounce 0
nr_free_cma 0
nr_inactive_anon 2
nr_active_anon 17697
nr_inactive_file 2434
nr_active_file 14878
nr_unevictable 0
nr_slab_reclaimable 3344
nr_slab_unreclaimable 2726
nr_isolated_anon 0
nr_isolated_file 0
workingset_refault 0
workingset_activate 0
workingset_nodereclaim 0
nr_anon_pages 17689
nr_mapped 8697
nr_file_pages 17325
nr_dirty 17
nr_writeback 0
nr_writeback_temp 0
nr_shmem 17
nr_shmem_hugepages 0
nr_shmem_pmdmapped 0
nr_anon_transparent_hugepages 7
nr_unstable 0
nr_vmscan_write 0
nr_vmscan_immediate_reclaim 0
nr_dirtied 914
nr_written 863
nr_dirty_threshold 142202
nr_dirty_background_threshold 71014
pgpgin 167360
pgpgout 4203156
pswpin 0
pswpout 0
pgalloc_dma 0
pgalloc_dma32 1308767
pgalloc_normal 0
pgalloc_movable 0
allocstall_dma 0
allocstall_dma32 0
allocstall_normal 0
allocstall_movable 0
pgskip_dma 0
pgskip_dma32 0
pgskip_normal 0
pgskip_movable 0
pgfree 2093445
pgactivate 30038
pgdeactivate 2
pglazyfree 0
pgfault 799732
pgmajfault 1198
pglazyfreed 0
pgrefill 0
pgsteal_kswapd 0
pgsteal_direct 0
pgscan_kswapd 0
pgscan_direct 0
pgscan_direct_throttle 0
pginodesteal 0
slabs_scanned 0
kswapd_inodesteal 0
kswapd_low_wmark_hit_quickly 0
kswapd_high_wmark_hit_quickly 0
pageoutrun 0
pgrotated 2
drop_pagecache 0
drop_slab 0
oom_kill 0
pgmigrate_success 66207
pgmigrate_fail 4061
compact_migrate_scanned 1452684
compact_free_scanned 54719159
compact_isolated 140803
compact_stall 0
compact_fail 0
compact_success 0
compact_daemon_wake 0
compact_daemon_migrate_scanned 0
compact_daemon_free_scanned 0
htlb_buddy_alloc_success 0
htlb_buddy_alloc_fail 0
unevictable_pgs_culled 0
unevictable_pgs_scanned 0
unevictable_pgs_rescued 0
unevictable_pgs_mlocked 0
unevictable_pgs_munlocked 0
unevictable_pgs_cleared 0
unevictable_pgs_stranded 0
thp_fault_alloc 383
thp_fault_fallback 0
thp_collapse_alloc 922
thp_collapse_alloc_failed 0
thp_file_alloc 0
thp_file_mapped 0
thp_split_page 0
thp_split_page_failed 0
thp_deferred_split_page 400
thp_split_pmd 21
thp_split_pud 0
thp_zero_page_alloc 0
thp_zero_page_alloc_failed 0
thp_swpout 0
thp_swpout_fallback 0
balloon_inflate 0
balloon_deflate 0
swap_ra 0
swap_ra_hit 0
EOM
# /proc/loadavg
cat > "${DEBIAN_FS}/var/debdroid/binds/floadavg" <<- EOM
0.02 0.03 0.00 1/107 281
EOM
# /proc/uptime
cat > "${DEBIAN_FS}/var/debdroid/binds/fuptime" <<- EOM
9694.45 28998.24
EOM
# /proc/sys/kernel/cap_last_cap (needed for dbus)
echo 0 > "${DEBIAN_FS}/var/debdroid/binds/fcap_last_cap" 
}

# Load procfiles
gen_proc_files

# Synchronize Host Environment (Needed for Executing Programs)
mkdir "${DEBIAN_FS}/var/debdroid/binfmt" -p
cat > "${DEBIAN_FS}/etc/profile.d/60-debdroid-gros-interoperability.sh" <<- EOM
#!/bin/bash
# This file is regenerated everytime you launch the session
# To Disable, echo the value 0 in /var/debdroid/binfmt/corrosive-session

if [ "\$(cat /var/debdroid/binfmt/corrosive-session)" == "1" ]; then
export PATH=\${PATH}:/data/data/com.termux/files/usr/bin:/system/bin:/system/xbin
export BOOTCLASSPATH=${BOOTCLASSPATH}
export DEX2OATBOOTCLASSPATH=${DEX2OATBOOTCLASSPATH}
export ANDROID_ART_ROOT=${ANDROID_ART_ROOT}
export ANDROID_TZDATA_ROOT=${ANDROID_TZDATA_ROOT}
export ANDROID_ROOT=${ANDROID_ROOT}
export ANDROID_DATA=${ANDROID_DATA}
export ANDROID_I18N_ROOT=${ANDROID_I18N_ROOT}
export ANDROID_RUNTIME_ROOT=${ANDROID_RUNTIME_ROOT}
export EXTERNAL_STORAGE=${EXTERNAL_STORAGE}
export COLORTERM=${COLORTERM}
export PREFIX=/data/data/com.termux/files/usr
export TMPDIR=/tmp
fi
EOM

# Fill /etc/hosts file if necessary and sync it with user-defined hostname
cat > "${DEBIAN_FS}/etc/hosts" <<- EOM
127.0.0.1   localhost
::1         localhost
127.0.1.1   ${DEBIAN_HOSTNAME}.localdomain  ${DEBIAN_HOSTNAME}
EOM

# Define kompat_source for overriding uname
kompat_source="\\$(uname -s)\\${DEBIAN_HOSTNAME}\\5.4.0-debdroid\\$(uname -v)\\$(uname -m)\\localdomain\\-1\\"

# Process Arguments
prootargs="--link2symlink --kill-on-exit"
prootargs+=" --root-id -L -H -p"
# Check for Android Version
case "$(getprop ro.build.version.release)" in
    5*|6*) ;;
    *)
    prootargs+=" --sysvipc"
    ;;
esac
prootargs+=" --rootfs=${DEBIAN_FS}"
prootargs+=" --cwd=/root"
prootargs+=" --bind=/dev --bind=/proc --bind=/sys"
prootargs+=" --bind=${DEBIAN_FS}/run/shm:/dev/shm"

# Source Mountpoint Configuration File
source "${DEBIAN_FS}/var/debdroid/mountpoints.conf"

# Define Variables (Fallback)
prootargs+=" /usr/bin/env -i"
prootargs+=" PATH=/usr/local/bin:/usr/local/sbin:/usr/games:/usr/bin:/usr/sbin:/usr/games:/bin:/sbin"
prootargs+=" HOME=/root"
prootargs+=" TERM=$TERM"
prootargs+=" USER=root"