From 5309a0a47f12b246af11b0c4f8c494e1cb2d1844 Mon Sep 17 00:00:00 2001
From: Qingping Hou <dave2008713@gmail.com>
Date: Fri, 14 Oct 2016 20:36:00 -0700
Subject: [PATCH] misc: rotate crash.log for kobo/kindle/pocketbook

---
 platform/kindle/koreader.sh      |  6 +++++-
 platform/kobo/koreader.sh        |  5 ++++-
 platform/pocketbook/koreader.app |  5 ++++-
 reader.lua                       | 12 ++++++++++++
 4 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/platform/kindle/koreader.sh b/platform/kindle/koreader.sh
index 339813166..4456281f7 100755
--- a/platform/kindle/koreader.sh
+++ b/platform/kindle/koreader.sh
@@ -243,7 +243,11 @@ logmsg "Starting KOReader . . ."
 if [ "${FROM_KUAL}" == "yes" ] ; then
 	eips_print_bottom_centered "Starting KOReader . . ." 1
 fi
-./reader.lua "$@" > crash.log 2>&1
+
+# we keep maximum 100K worth of crash log
+cat crash.log &> /dev/null | tail -c 100000000 > crash.log.new
+mv -f crash.log.new crash.log
+./reader.lua "$@" >> crash.log 2>&1
 
 # clean up our own process tree in case the reader crashed (if needed, to avoid flooding KUAL's log)
 if pidof reader.lua > /dev/null 2>&1 ; then
diff --git a/platform/kobo/koreader.sh b/platform/kobo/koreader.sh
index 601f58cc8..9d0c6fb78 100755
--- a/platform/kobo/koreader.sh
+++ b/platform/kobo/koreader.sh
@@ -111,7 +111,10 @@ if awk '$4~/(^|,)ro($|,)/' /proc/mounts | grep ' /mnt/sd ' ; then
 	mount -o remount,rw /mnt/sd
 fi
 
-./reader.lua "${args}" > crash.log 2>&1
+# we keep maximum 100K worth of crash log
+cat crash.log &> /dev/null | tail -c 100000000 > crash.log.new
+mv -f crash.log.new crash.log
+./reader.lua "${args}" >> crash.log 2>&1
 
 if [ "${FROM_NICKEL}" = "true" ] ; then
 	if [ "${FROM_KFMON}" != "true" ] ; then
diff --git a/platform/pocketbook/koreader.app b/platform/pocketbook/koreader.app
index 6853e2bf7..a3651c2e1 100755
--- a/platform/pocketbook/koreader.app
+++ b/platform/pocketbook/koreader.app
@@ -33,7 +33,10 @@ else
     args="$@"
 fi
 
-./reader.lua "$args" > crash.log 2>&1
+# we keep maximum 100K worth of crash log
+cat crash.log &> /dev/null | tail -c 100000000 > crash.log.new
+mv -f crash.log.new crash.log
+./reader.lua "$args" >> crash.log 2>&1
 
 if pidof reader.lua > /dev/null 2>&1 ; then
 	killall -TERM reader.lua
diff --git a/reader.lua b/reader.lua
index 06044d639..f9d4874de 100755
--- a/reader.lua
+++ b/reader.lua
@@ -1,4 +1,16 @@
 #!./luajit
+print(string.format([[
+---------------------------------------------
+                launching...
+  _  _____  ____                _
+ | |/ / _ \|  _ \ ___  __ _  __| | ___ _ __
+ | ' / | | | |_) / _ \/ _` |/ _` |/ _ \ '__|
+ | . \ |_| |  _ <  __/ (_| | (_| |  __/ |
+ |_|\_\___/|_| \_\___|\__,_|\__,_|\___|_|
+
+ [*] Current time: %s
+]], os.date("%x-%X")))
+
 
 -- load default settings
 require "defaults"