use rsync to verify sources exist in dests.

views/routine_list.nim

@@ -36,6 +36,8 @@ proc rsyncThread(list: RoutineListState) {.thread.} =
   #i'm not sure if using threadvar here is needed, but doing it just in case. :)
   var rsyncRunCmd {.threadvar.}: string
   var rsyncRun {.threadvar.}: tuple[output: string, exitCode: int]
+  var rsyncCheckCmd {.threadvar.}: string
+  var rsyncCheckRun {.threadvar.}: tuple[output: string, exitCode: int]
 
   var rsyncErrors: seq[string]
   var routineRunCount: int
@@ -48,9 +50,6 @@ proc rsyncThread(list: RoutineListState) {.thread.} =
         routineRuncount += 1
         for source in routine.sources:
           for destination in routine.destinations:
-            #per source/dest combo msgs still don't seem to be working right. 
-            #maybe it requires a separate thread per combo? deprioritized.
-            #list.runStatus = "<span color=\"#FFE97B\" size=\"large\">Bkup " & source & " to " & destination & "...</span>"
             #try without requiring superuser privs by default.
             rsyncRunCmd = "rsync -aq " & source & " " & destination
             rsyncRun = execCmdEx(rsyncRunCmd)
@@ -66,10 +65,31 @@ proc rsyncThread(list: RoutineListState) {.thread.} =
                   rsyncRun = execCmdEx(rsyncRunCmd)
                   if rsyncRun.exitCode != 0:
                     rsyncErrors.add("EZ-Bkup's rsync process(es) returned error (" & $rsyncRun.output & ") while attempting to back up " & source & " to " & destination)
+              #handle non-perms related error.
               else:
                 rsyncErrors.add("EZ-Bkup's rsync process(es) returned error (" & $rsyncRun.output & ") while attempting to back up " & source & " to " & destination)
+            #explicitly check that sources were copied to destinations.
+            #just using file names, mod times, and size (same as bkup run itself).    
+            rsyncCheckCmd = "rsync -rn " & source & " " & destination
+            rsyncCheckRun = execCmdEx(rsyncCheckCmd)
+            if rsyncCheckRun.exitCode != 0:
+              #handle permission denied error.
+              if rsyncCheckRun.exitCode == 23:
+                rsyncCheckRun.exitCode = 0
+                if getAskPassPath() == "":
+                  let err = "No ssh-askpass binary found. Please install an ssh-askpass package for your distro, and let us know if EZ-Bkup still can't detect it's location."
+                  rsyncErrors.add(err)
+                else:                  
+                  rsyncCheckCmd = "SUDO_ASKPASS=" & getAskPassPath() & " sudo -A rsync -rn " & source & " " & destination                  
+                  rsyncCheckRun = execCmdEx(rsyncCheckCmd)
+                  if rsyncCheckRun.exitCode != 0:
+                    rsyncErrors.add("EZ-Bkup's rsync process(es) returned error (" & $rsyncRun.output & ") while attempting to verify that " & source & " got backed up to " & destination)
+              #handle non-perms related error.
+              else:
+                rsyncErrors.add("EZ-Bkup's rsync process(es) returned error (" & $rsyncRun.output & ") while attempting to verify that " & source & " got backed up to " & destination)
+
   if rsyncErrors.len > 0:
-    list.runStatus = "<span color=\"#ff6b6b\" size=\"large\">Error! Please see the log at ~/.ez-bkup/errors.log</span>"
+    list.runStatus = "<span color=\"#ff6b6b\" size=\"large\">Error! Please see ~/.ez-bkup/errors.log</span>"
     for err in rsyncErrors:
       logger.log(lvlError, err)
   elif routineRunCount == 0:
@@ -214,8 +234,8 @@ method view(list: RoutineListState): Widget =
                   xAlign = 0 
                   useMarkup = true         
               proc clicked() =
-                #check that every source and destination exists for each routine or don't run bkup and show dialog.
-                #locations not found will be logged. see shared.nim
+                #check that every source and destination exists for each routine or don't run bkup and show err status.
+                #locations not found will be logged. see routine.nim
                 var allLocationsExist: seq[bool]
                 for routine in list.routineModel.routineSeq():
                   if routine.id in list.selected: