mirror.china;rewrite ext3,4 detect

Author: zaoqi

Makefile

@@ -17,8 +17,8 @@ rootfs.ext4.base:
 menu.json: gen.menu.json.js
 	./gen.menu.json.js > menu.json
 
-extensions: chroot.shell.sh config.xml install.alpine.sh lib.sh LICENSE remove.sh resize.sh rootfs.ext3.base rootfs.ext4.base umount.sh menu.json
-	rm -fr $@
+extensions: chroot.shell.sh config.xml install.alpine.sh lib.sh LICENSE remove.sh resize.sh rootfs.ext3.base rootfs.ext4.base umount.sh menu.json mirror.china.sh
+	rm -fr extensions
 	$(MAKE) -C ./e2fsprogs/
 	mkdir -p extensions/$(PACKAGE)
 	cp $^ ./e2fsprogs/out/sbin/resize2fs extensions/$(PACKAGE)

gen.menu.json.js

@@ -5,12 +5,13 @@ const kterm_scripts=
 	 [
 	     ["Install Alpine Linux","./install.alpine.sh"],
 	     ["Shell","./chroot.shell.sh"],
+	     ["Change mirror",[
+		 ["China Mainland","./mirror.china.sh"]]],
 	     ["Umount","./umount.sh"],
 	     ["Resize rootfs","./resize.sh"],
 	     ["Remove rootfs",
 	      [["Yes,Remove rootfs","./remove.sh"],
-	       ["No",null]],
-	     ]]]]]
+	       ["No",null]]]]]]]
 
 function translate_kterm_scripts(name,priority,script){
     if(script===null||script===void 0){

lib.sh

@@ -36,24 +36,18 @@ fail(){
 BIN="$(pwd)"
 ROOTFS_DIR="$(pwd)/rootfs"
 ROOTFS_IMG="$(pwd)/rootfs.img"
-ROOTFS_TYPE=ext3
 ROOTFS_LOCK="/tmp/kUaL_lInUx_mOuNtEd"
 INNER_TMP="/tmp/kUaL_lInUx"
-mkdir -p tmp.testext4
-cp rootfs.ext4.base tmp.testext4.img || fail
-if mount -o loop tmp.testext4.img tmp.testext4 2>/dev/null; then
-    echo This kernel support ext4.
+ROOTFS_TYPE=unknown
+if [ -z "$(grep 'nodev.*ext4' /proc/filesystems)" ] && [ -n "$(grep 'ext4' /proc/filesystems)" ]; then
+    echo "This kernel support ext4."
     ROOTFS_TYPE=ext4
-else
-    mkdir -p tmp.testext3
-    cp rootfs.ext3.base tmp.testext3.img || fail
-    mount -o loop tmp.testext3.img tmp.testext3 || fail "This kernel doesn't support ext4 and ext3."
-    echo This kernel support ext3.
+elif [ -z "$(grep 'nodev.*ext3' /proc/filesystems)" ] && [ -n "$(grep 'ext3' /proc/filesystems)" ]; then
+    echo "This kernel support ext3 and doesn't support ext4."
     ROOTFS_TYPE=ext3
+else
+    fail "This kernel doesn't support ext4 and ext3."
 fi
-umount tmp.testext4 2>/dev/null
-umount tmp.testext3 2>/dev/null
-rm -fr tmp.*
 
 get_rootfs_tgz_filename(){
     curl http://dl-cdn.alpinelinux.org/alpine/edge/releases/armhf/ |

mirror.china.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+. "$(dirname "$0")"/lib.sh
+
+[ -f "$ROOTFS_LOCK" ] || mount_rootfs_all
+
+[ -f "$ROOTFS_DIR/etc/apk/repositories" ] && sed -i 's|https\?://[^/]*/alpine|http://mirrors.ustc.edu.cn/alpine|g' "$ROOTFS_DIR/etc/apk/repositories"
+
+quit