Starting to implement preservation of cache on a per app basis.

1 files changed, 21 insertions, 2 deletions

diff --git a/andbackup.sh b/andbackup.sh
index 40ab224..77624ce 100755
--- a/andbackup.sh
+++ b/andbackup.sh
@@ -19,7 +19,8 @@
 #
 set -u
 
-backups=/sdcard/andbackup
+#backups=/sdcard/andbackup
+backups=/storage/ext_sd/bk/andbackup/andbackupBK
 
 
 usage() {
@@ -86,6 +87,20 @@ backup_app() {
     return 1
   fi
 
+  #If app has "-" that means options are passed in
+  local preserveCache=false
+  if [[ 0 = $(echo ${app} | grep --quiet [-]; echo $?) ]]; then
+    linfo "This app $app has passed in options"
+    if [[ 0 = $(echo ${app} | grep --quiet "preserveCache"; echo $?) ]]; then
+      preserveCache=true
+    fi
+    #Need to get app back to std naming (without params)
+    app=`echo ${app} | grep --only-matching ^.*- | sed s/-//g | cat -`
+  fi
+  
+  #DEBUGGING don't want to actaully install
+  #return 1
+
   # Make sure app is installed
   if [[ $(dumpsys package ${app} | wc -l) -eq 0 ]]; then
     lerror "Package ${app} appears to not be installed."
@@ -100,6 +115,7 @@ backup_app() {
   # Get pertinent metadata
   local code=$(dumpsys package ${app} | grep codePath | cut -d'=' -f2 | head -n1)
   local data=$(dumpsys package ${app} | grep dataDir  | cut -d'=' -f2 | head -n1)
+  #linfo HERE is your data dir: $data
 
   # Create backup destination if not exist
   [[ ! -d ${backups} ]] && mkdir -p ${backups}
@@ -116,8 +132,11 @@ backup_app() {
   cp -rp ${data}/* ${backups}/${app}/data/
   # Delete cache directory if it exists
   # This will sometimes significant amounts of space
-  if [[ -d "${backups}/${app}/data/cache" ]]; then
+  if [[ -d "${backups}/${app}/data/cache" ]] && ! $preserveCache; then
+    linfo "Deleting cache for ${app}"
     rm -rf "${backups}/${app}/data/cache"
+  else
+    linfo "Preserving cache for ${app}"
   fi
 
   # Compress the backup