[chronojump] CopyFilesRecursively takes care of disk full in copy files and create dirs

[Xavier de Blas <xaviblas src gnome org>]

commit aaa8ae5f63d811441cc0ac5aa95339e978c6fe9c
Author: Xavier de Blas <xaviblas gmail com>
Date:   Sat Aug 21 11:40:36 2021 +0200

    CopyFilesRecursively takes care of disk full in copy files and create dirs

 src/util.cs | 33 ++++++++++++++++++++++++++-------
 1 file changed, 26 insertions(+), 7 deletions(-)
---
diff --git a/src/util.cs b/src/util.cs
index ef2297cdb..2ba769268 100644
--- a/src/util.cs
+++ b/src/util.cs
@@ -2551,7 +2551,7 @@ public class UtilCopy
        }
 
        //http://stackoverflow.com/a/58779
-       public void CopyFilesRecursively(DirectoryInfo source, DirectoryInfo target, uint level)
+       public bool CopyFilesRecursively(DirectoryInfo source, DirectoryInfo target, uint level)
        {
                DirectoryInfo [] diArray = source.GetDirectories();
                foreach (DirectoryInfo dir in diArray)
@@ -2591,15 +2591,34 @@ public class UtilCopy
                                                continue;
                                        }
                                }
-                               CopyFilesRecursively(dir, target.CreateSubdirectory(dir.Name), level +1);
+
+                               //create new dir with try/catch to avoid disk problems (eg. disk full)
+                               DirectoryInfo newTarget;
+                               try {
+                                       newTarget = target.CreateSubdirectory(dir.Name);
+                               } catch {
+                                       return false;
+                               }
+
+                               if(! CopyFilesRecursively(dir, newTarget, level +1))
+                                       return false; //exit if disk problem found in that call
                        }
-               foreach (FileInfo file in source.GetFiles())
-               {
-                       if(file.Name == "chronojump_running")   //do not copy chronojump_running file
-                               continue;
 
-                       file.CopyTo(Path.Combine(target.FullName, file.Name));
+               //copy files with try/catch to avoid disk problems (eg. disk full)
+               try {
+                       foreach (FileInfo file in source.GetFiles())
+                       {
+                               if(file.Name == "chronojump_running")   //do not copy chronojump_running file
+                                       continue;
+
+                               file.CopyTo(Path.Combine(target.FullName, file.Name));
+                       }
+               } catch {
+                       LogB.Warning("CopyFilesRecursively catched, maybe disk full");
+                       return false;
                }
+
+               return true;
        }
 }