echo Extracting main archive
tar -x -v --listed-incremental=tart.incr1 -f archive.1
echo Extracting incremental archive
-tar -x -v --listed-incremental=tart.incr2 -f archive.2
+# This command should produce three messages about deletion
+# of the existing files, that may appear in any order. Piping
+# to sort makes sure we don't depend on any particular ordering.
+tar -x -v --listed-incremental=tart.incr2 -f archive.2 | sort
echo Final files:
find tart|sort
tart/c1/ca1
tart/c1/ca2
Extracting incremental archive
-tart/
-tar: Deleting \`tart/c1'
tar: Deleting \`tart/a1'
tar: Deleting \`tart/b1'
+tar: Deleting \`tart/c1'
+tart/
+tart/b2
tart/c0/
tart/c2/
-tart/b2
tart/c2/ca1
tart/c2/ca2
tart/c2/ca3