修复在docker中构建时会错误地卸载proc的问题

debian/changelog

@@ -1,3 +1,10 @@
+debootstrap (1.0.118-ok3) yangtze; urgency=medium
+
+  [ 谢炜 ]
+  * 修复在docker中构建时会错误地卸载proc的问题
+
+ -- Xie Wei <xiewei@kylinos.cn>  Fri, 30 Sep 2022 16:13:34 +0800
+
 debootstrap (1.0.118-ok2) yangtze; urgency=medium
 
   * update version info

functions

@@ -1158,7 +1158,12 @@ setup_proc () {
 	    *freebsd*)
 		umount_on_exit /dev
 		umount_on_exit /proc
+		if [ -L "$TARGET/proc" ];then
+			rm -f $TARGET/proc
+			mkdir $TARGET/proc
+		else
 			umount "$TARGET/proc" 2>/dev/null || true
+		fi
 		if [ "$HOST_OS" = kfreebsd ]; then
 			in_target mount -t linprocfs proc /proc
 		else
@@ -1176,7 +1181,12 @@ setup_proc () {
 		umount_on_exit /dev/shm
 		umount_on_exit /proc
 		umount_on_exit /proc/bus/usb
+		if [ -L "$TARGET/proc" ];then
+			rm -f $TARGET/proc
+			mkdir $TARGET/proc
+		else
 			umount "$TARGET/proc" 2>/dev/null || true
+		fi
 
 		# some container environment are used at second-stage, it already treats /proc and so on
 		if [ -z "$(ls -A "$TARGET/proc")" ]; then