feat: add initial works for termux support

Author: SaicharanKandukuri

plugins/envsetup

@@ -33,11 +33,14 @@ ROOT_DIR="$(git rev-parse --show-toplevel)"
 
 # sudo check
 if [ "$(id -u)" != "0" ]; then
-    if ! command -v sudo >/dev/null 2>&1; then
-        echo "This script requires sudo or root privileges but none present."
-        exit 1
+    if [ "$FS_COOK_PLATFORM" == "termux" ]; then
+        SUDO=""
     else
-        SUDO="$(command -v sudo)"
+        if command -v sudo &>/dev/null; then
+            SUDO="sudo"
+        else
+            die "This script requires root privileges"
+        fi
     fi
 fi
 
@@ -290,6 +293,12 @@ do_build() {
         _debootstrap=$(which debootstrap)
     fi
 
+    if [ "$FS_COOK_PLATFORM" == "termux" ]; then
+        _debootstrap="$(which debootstrap)"
+        FOREIGN=""
+        ENABLE_USER_SETUP=false
+    fi
+
     (
         $SUDO $_debootstrap \
             $FOREIGN \
@@ -301,7 +310,11 @@ do_build() {
             $MIRROR
     ) || die "Couldn't debootstrap..."
 
-    do_second_stage "$target_dir" "$arch"
+    if [ "$FS_COOK_PLATFORM" == "termux" ]; then
+        lshout "Skipping second stage for termux"
+    else
+        do_second_stage "$target_dir" "$arch"
+    fi
 
     if $ENABLE_USER_SETUP; then
         setup_user
@@ -362,7 +375,49 @@ do_qemu_user_emulation() {
     fi
 }
 
-do_chroot_ae() {
+do_chroot_proot_ae() {
+    local chroot_dir=$1
+    shift
+    local cmd_string=$*
+    local root_fs_path=${chroot_dir}
+    local container_user=root
+    
+    unset LD_PRELOAD
+    proot \
+        --link2symlink \
+        --sysvipc \
+        --kill-on-exit \
+        -b /system \
+        -b /sys \
+        -b /proc \
+        -b /dev \
+        -b /dev/urandom:/dev/random \
+        -b /proc/self/fd/1:/dev/stdout \
+        -b /proc/self/fd/2:/dev/stderr \
+        -b /proc/self/fd/0:/dev/stdin \
+        -b /proc/self/fd:/dev/fd \
+        -b /data/data/com.termux/files/usr \
+        -b /data/data/com.termux/files/home \
+        -b /data/data/com.termux/cache \
+        -b /storage/self/primary:/sdcard \
+        -b "${root_fs_path}"/tmp:/dev/shm \
+        --root-id \
+        --cwd=/root -L \
+        --kernel-release=5.4.0-faked \
+        --kill-on-exit \
+        --rootfs="${root_fs_path}" \
+        -w /root \
+            /usr/bin/env -i \
+            HOME=/root \
+            PATH=/usr/local/sbin:/usr/local/bin:/bin:/usr/bin:/sbin:/usr/sbin \
+            TERM="$TERM" \
+            LANG=C.UTF-8 \
+            /bin/su -l $container_user \
+            $cmd_string
+
+}
+
+do_chroot_root_ae() {
     local chroot_dir=$1
     shift
     local command=$*
@@ -376,6 +431,14 @@ do_chroot_ae() {
     fi
 }
 
+do_chroot_ae() {
+    if [ $BUILD_PALTFORM == "termux" ]; then
+        do_chroot_proot_ae "$@"
+    else
+        do_chroot_root_ae "$@"
+    fi
+}
+
 do_compress() {
     #compression
     export TARGET_FILE
@@ -480,3 +543,10 @@ install_pkg()
 }
 
 banner
+
+export BUILD_PALTFORM="linux"
+
+if [ "$FS_COOK_PLATFORM" == "termux" ]; then
+    lshout "Running on termux"
+    BUILD_PALTFORM="termux"
+fi

plugins/gz-packer.sh

@@ -1,19 +1,16 @@
 #!/usr/bin/env bash
 
 target=$1
-target_source=/
-# target_source=
 
 tar \
-    --exclude="${target_source}"dev/* \
-    --exclude="${target_source}"run/* \
-    --exclude="${target_source}"proc/* \
-    --exclude="${target_source}"sys/* \
-    --exclude="${target_source}"tmp/* \
-    --exclude="${target_source}"${0} \
-    --exclude="${target_source}${target}.tar.gz" \
+    --exclude={/dev,/apex,/vendor,/system,/sdcard} \
+    --exclude={/proc/*,/sys/*,/tmp/*,/mnt/*,/media/*,/lost+found/*} \
+    --exclude="*.l2s.*" \
+    --exclude=/${0} \
+    --exclude="/${target}.tar.gz" \
     --exclude-caches-all \
+    --one-file-system \
     -cpf \
-     - "${target_source}" -P \
-    | pv -s $(($(du -skx "${target_source}" | awk '{print $1}') * 1024)) |\
+     - / -P \
+    | pv -s $(($(du -skx / | awk '{print $1}') * 1024)) |\
      gzip --best > "${target}".tar.gz

plugins/j-packer.sh

@@ -1,18 +1,16 @@
 #!/usr/bin/env bash
 
 target=$1
-target_source=/
 
 tar \
-    --exclude="${target_source}"dev/* \
-    --exclude="${target_source}"run/* \
-    --exclude="${target_source}"proc/* \
-    --exclude="${target_source}"sys/* \
-    --exclude="${target_source}"tmp/* \
-    --exclude="${target_source}"${0} \
-    --exclude="${target_source}${target}.tar.xz" \
+    --exclude={/dev,/apex,/vendor,/system,/sdcard} \
+    --exclude={/proc/*,/sys/*,/tmp/*,/mnt/*,/media/*,/lost+found/*} \
+    --exclude="*.l2s.*" \
+    --exclude=/${0} \
+    --exclude="/${target}.tar.gz" \
     --exclude-caches-all \
+    --one-file-system \
     -cpf \
-     - "${target_source}" -P \
-    | pv -s $(($(du -skx "${target_source}" | awk '{print $1}') * 1024)) |\
+     - / -P \
+    | pv -s $(($(du -skx / | awk '{print $1}') * 1024)) |\
      bzip2 --best > "${target}".tar.xz

plugins/lz-packer.sh

@@ -1,19 +1,16 @@
 #!/usr/bin/env bash
 
 target=$1
-target_source=/
-# target_source=
 
 tar \
-    --exclude="${target_source}"dev/* \
-    --exclude="${target_source}"run/* \
-    --exclude="${target_source}"proc/* \
-    --exclude="${target_source}"sys/* \
-    --exclude="${target_source}"tmp/* \
-    --exclude="${target_source}"${0} \
-    --exclude="${target_source}${target}.tar.lz" \
+    --exclude={/dev,/apex,/vendor,/system,/sdcard} \
+    --exclude={/proc/*,/sys/*,/tmp/*,/mnt/*,/media/*,/lost+found/*} \
+    --exclude="*.l2s.*" \
+    --exclude=/${0} \
+    --exclude="/${target}.tar.gz" \
     --exclude-caches-all \
+    --one-file-system \
     -cpf \
-     - "${target_source}" -P \
-    | pv -s $(($(du -skx "${target_source}" | awk '{print $1}') * 1024)) |\
+     - / -P \
+    | pv -s $(($(du -skx / | awk '{print $1}') * 1024)) |\
      lz4 -9 > "${target}".tar.lz # use high compression