From 8944472dc440891bf7388889aeb06fca9a38b3f6 Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Mon, 27 Dec 2021 23:23:30 +0800
Subject: [PATCH] Add expand_rootfs

---
 bsp/rootfs/build.sh |  115 ++++++++++++++++++++++++++++++++++++++++++---------------
 1 files changed, 85 insertions(+), 30 deletions(-)

diff --git a/bsp/rootfs/build.sh b/bsp/rootfs/build.sh
index c692d4c..625580d 100755
--- a/bsp/rootfs/build.sh
+++ b/bsp/rootfs/build.sh
@@ -3,19 +3,16 @@
 PRJ_PATH=`pwd`
 PRJ_NAME=`basename ${PRJ_PATH}`
 
-BOARD=imx6ull
+BOARD=igkboard
 
 DRV_PATH=${PRJ_PATH}/driver
 TAR_PATH=${PRJ_PATH}/../tarball
 
-# tarballs download URL address
-WEB_URL=http://192.168.2.193:9000/${BOARD}
-
-# rootfs should be buildroot/yocto or stretch/buster/bullseye for debian system
-ROOTFS=buster
+# rootfs should be buildroot/yocto or bullseye for debian system
+ROOTFS=buildroot
 
 ROOTFS_DIR=rootfs_${ROOTFS}
-ARCH=arm64
+ARCH=armhf
 
 # rootfs configuration
 DEF_USER=lingyun
@@ -23,6 +20,7 @@
 DEF_HOSTNAME=${BOARD}
 
 APT_CONF=extra_apps.json
+PATCH_PATH=${PRJ_PATH}/files
 
 set -u
 set -e
@@ -71,13 +69,13 @@
     # try to decompress packet first.
     do_unpack
 
-    if [ $ROOTFS == "buildroot" -o $ROOTFS == "yocto" ] ; then
-        if [ ! -d ${ROOTFS_DIR} ] ; then
+    if [ -d ${ROOTFS_DIR} ] ; then
+        return ;
+    else
+        if [ $ROOTFS == "buildroot" -o $ROOTFS == "yocto" ] ; then
             echo " ERROR: miss rootfs ${ROOTFS}, exit now. "
             echo ""
             exit;
-        else
-            return 0;
         fi
     fi
 
@@ -95,14 +93,6 @@
 
     chroot ${ROOTFS_DIR} dpkg --configure -a
     printf "\n\n -- debootstrap fetch done -- \n\n"
-
-    # set root password
-    chroot ${ROOTFS_DIR} sh -c "echo root:${DEF_PASSWD} | chpasswd"
-
-    # add extra user account
-    chroot ${ROOTFS_DIR} sh -c "useradd -m -G sudo -s /bin/bash ${DEF_USER}"
-    chroot ${ROOTFS_DIR} sh -c "echo ${DEF_USER}:${DEF_PASSWD} | chpasswd"
-    chroot ${ROOTFS_DIR} sh -c "usermod -G video,audio ${DEF_USER}"
 
     # Clear the MD5 value to install extra apps
     sed -i -e "s|.*md5val.*|\t\"md5val\":\"MD5_Auto_Generate_Here\"|g" $APT_CONF
@@ -143,22 +133,74 @@
 
             sed -i -e "s|.*md5val.*|\t\"md5val\":\"$md5_calc\"|g" $APT_CONF
             printf "\n\n -- debootstrap apt install done --\n\n"
+
+            # modify root password
+            chroot ${ROOTFS_DIR} sh -c "echo root:${DEF_PASSWD} | chpasswd"
+
+            # add extra user account
+            set +e
+            grep "$DEF_USER" ${ROOTFS_DIR}/etc/passwd > /dev/null 2>&1
+            if [ $? != 0 ] ; then
+                printf "\n\n -- setup default user account --\n\n"
+                chroot ${ROOTFS_DIR} sh -c "useradd -m -s /bin/bash ${DEF_USER}"
+                chroot ${ROOTFS_DIR} sh -c "echo ${DEF_USER}:${DEF_PASSWD} | chpasswd"
+                chroot ${ROOTFS_DIR} sh -c "usermod -G video,audio,sudo avnet"
+
+                echo "${DEF_USER}    ALL=(ALL:ALL) NOPASSWD:ALL" >> ${ROOTFS_DIR}/etc/sudoers
+            fi
+            set -e
         fi
     fi
 }
 
 function do_modules()
 {
-    if [ ! -d ${DRV_PATH}/lib/modules ] ; then
+    msg_banner " install linux firmware"
+    if [ -s ${TAR_PATH}/firmware.tar.bz2 ] ; then
+        tar -xjf ${TAR_PATH}/firmware.tar.bz2 -C ${ROOTFS_DIR}/lib/
+    fi
+
+    if [ ! -d ${DRV_PATH}/lib/ ] ; then
         return ;
     fi
 
-    msg_banner " install kernel modules"
+    if [ -d ${DRV_PATH}/lib/modules ] ; then
+        msg_banner " install kernel modules"
+        rm -rf ${ROOTFS_DIR}/lib/modules/
+        cp -af ${DRV_PATH}/lib/modules  ${ROOTFS_DIR}/lib/
+    fi
+}
 
-    rm -rf ${ROOTFS_DIR}/lib/modules/
-    cp -af ${DRV_PATH}/lib/modules  ${ROOTFS_DIR}/lib/
+function do_common()
+{
+    if [ -s ${PATCH_PATH}/expand_rootfs ] ; then
+        cp ${PATCH_PATH}/expand_rootfs ${ROOTFS_DIR}/usr/sbin/
+        chmod a+x ${ROOTFS_DIR}/usr/sbin/expand_rootfs
+    fi
+}
 
-    printf "\n\n -- install kernel modules done --\n\n"
+function do_buildroot()
+{
+    if [ $ROOTFS != "buildroot" ] ; then
+        return ;
+    fi
+
+    # add vim alias for vim
+    grep "alias vim=" ${ROOTFS_DIR}/etc/profile > /dev/null 2>&1
+    if [ $? != 0 ] ; then
+       echo "alias vim='vi'" >> ${ROOTFS_DIR}/etc/profile
+    fi
+
+    if [ -s ${PATCH_PATH}/S30WpaSupplicant ] ; then
+        cp ${PATCH_PATH}/S30WpaSupplicant ${ROOTFS_DIR}/etc/init.d/
+        chmod a+x ${ROOTFS_DIR}/etc/init.d/S30WpaSupplicant
+    fi
+
+    if [ -s ${PATCH_PATH}/wpa_supplicant.conf ] ; then
+        cp ${PATCH_PATH}/wpa_supplicant.conf ${ROOTFS_DIR}/etc/
+    fi
+
+    printf "\n\n -- modify buildroot rootfs done --\n\n"
 }
 
 function do_modify()
@@ -167,25 +209,38 @@
 
     set +e
 
+    # modify for buildroot rootfs
+    do_buildroot
+
+    # modify for all rootfs
+    do_common
+
     # update hostnmae and issue
+    echo "Welcome to LingYun IoT Gateway Kit Board GNU/Linux $ROOTFS system, default password '$DEF_PASSWD'." > ${ROOTFS_DIR}/etc/issue
     echo $DEF_HOSTNAME > ${ROOTFS_DIR}/etc/hostname
-    echo "$BOARD GNU/Linux $ROOTFS \n \l, default password '$DEF_PASSWD'." > ${ROOTFS_DIR}/etc/issue
+    grep "$BOARD" ${ROOTFS_DIR}/etc/hosts > /dev/null 2>&1
+    if [ $? != 0 ] ; then
+       echo "127.0.0.1       ${BOARD}" >> ${ROOTFS_DIR}/etc/hosts
+    fi
 
     # update dns server
     echo "nameserver 114.114.114.114" > ${ROOTFS_DIR}/etc/resolv.conf
     echo "nameserver 223.5.5.5" >> ${ROOTFS_DIR}/etc/resolv.conf
 
+    # update profile
+    sed -i "s|PS1='# '|PS1='\\\u@\\\h:\\\w# '|g" ${ROOTFS_DIR}/etc/profile
+    sed -i "s|PS1='$ '|PS1='\\\u@\\\h:\\\w$ '|g" ${ROOTFS_DIR}/etc/profile
+
+
     # add ls alias for display with color
-    grep "color=auto" ${ROOTFS_DIR}/etc/profile > /dev/null 2>&1
+    grep "^alias ls=" ${ROOTFS_DIR}/etc/profile > /dev/null 2>&1
     if [ $? != 0 ] ; then
        echo "alias ls='ls --color=auto'" >> ${ROOTFS_DIR}/etc/profile
     fi
 
     # permit root ssh login
-    grep "^PermitRootLogin" ${ROOTFS_DIR}/etc/ssh/sshd_config > /dev/null 2>&1
-    if [ $? != 0 ] ; then
-       echo "PermitRootLogin yes" >> ${ROOTFS_DIR}/etc/ssh/sshd_config
-    fi
+    sed -i "s|^#PermitRootLogin.*|PermitRootLogin yes|g" ${ROOTFS_DIR}/etc/ssh/sshd_config
+    sed -i "s|^#PasswordAuthentication.*|PasswordAuthentication yes|g" ${ROOTFS_DIR}/etc/ssh/sshd_config
 
     set -e
 

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