Merge pull request #17 from dgrant/fix_unmounting_usb

Fix an issue where the postexec cmd script cannot unmount the USB backup...
rsnapshot · Apr 9, 2015 · 338932b · 338932b
2 parents 2888dbc + 9f49292
commit 338932b
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/rsnapshot-program.pl b/rsnapshot-program.pl
@@ -4009,7 +4009,16 @@ sub exec_cmd {
 
 	print_cmd($cmd);
 	if (0 == $test) {
+		my $pre_systemcall_cwd = cwd();
+
+		# run $cmd from $HOME, allows unmounting of the snapshot root by
+		# cmd_postexec config option (se Debian Bug #660372)
+		chdir();
 		$return = system($cmd);
+
+		# return to the directory we were in before executing $cmd
+		chdir($pre_systemcall_cwd);
+
 		if (!defined($return)) {
 			print_err("Warning! exec_cmd(\"$cmd\") returned undef", 2);
 		}