[openwrt/openwrt] base-files: upgrade: log with date prefix

[LEDE Commits]

yousong pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/826bb13742727300565b9d5785421813443d4de6

commit 826bb13742727300565b9d5785421813443d4de6
Author: Yousong Zhou <yszhou4tech at gmail.com>
AuthorDate: Tue Nov 3 10:20:26 2020 +0800

    base-files: upgrade: log with date prefix
    
    And log to stderr
    
    Signed-off-by: Yousong Zhou <yszhou4tech at gmail.com>
---
 package/base-files/files/lib/upgrade/common.sh | 2 +-
 package/base-files/files/lib/upgrade/stage2    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/package/base-files/files/lib/upgrade/common.sh b/package/base-files/files/lib/upgrade/common.sh
index 2eb26ba44b..2ae83f5bfb 100644
--- a/package/base-files/files/lib/upgrade/common.sh
+++ b/package/base-files/files/lib/upgrade/common.sh
@@ -64,7 +64,7 @@ ask_bool() {
 }
 
 v() {
-	[ -n "$VERBOSE" ] && [ "$VERBOSE" -ge 1 ] && echo "$@"
+	[ -n "$VERBOSE" ] && [ "$VERBOSE" -ge 1 ] && echo "$(date) upgrade: $@" >&2
 }
 
 json_string() {
diff --git a/package/base-files/files/lib/upgrade/stage2 b/package/base-files/files/lib/upgrade/stage2
index a4fef42134..211a3f4b33 100755
--- a/package/base-files/files/lib/upgrade/stage2
+++ b/package/base-files/files/lib/upgrade/stage2
@@ -42,7 +42,7 @@ switch_to_ramfs() {
 		mtd partx losetup mkfs.ext4 nandwrite flash_erase	\
 		ubiupdatevol ubiattach ubiblock ubiformat		\
 		ubidetach ubirsvol ubirmvol ubimkvol			\
-		snapshot snapshot_tool					\
+		snapshot snapshot_tool date				\
 		$RAMFS_COPY_BIN
 	do
 		local file="$(command -v "$binary" 2>/dev/null)"