[pmg-devel] [RFC pmg-api 03/12] Restore: optionally restore from directory

[Stoiko Ivanov]

In preparation for integrating PMG with PBS decided based on the type of the
provided filename, whether or not to untar:
* if it's a directory skip untarring (PBS)
* if it's a filename untar (local backup)

Signed-off-by: Stoiko Ivanov <s.ivanov at proxmox.com>
---
 src/PMG/Backup.pm | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/src/PMG/Backup.pm b/src/PMG/Backup.pm
index 3854a5d..fd7274c 100644
--- a/src/PMG/Backup.pm
+++ b/src/PMG/Backup.pm
@@ -245,12 +245,23 @@ sub pmg_restore {
     my $tarfn = "config_backup.tar";
     my $sigfn = "proxmox_backup_v1.md5";
 
+    my $untar = 1;
+
+    # directory indicates that the files were restored from a PBS remote
+    if ( -d $filename ) {
+	$dirname = $filename;
+	$untar = 0;
+    }
+
     eval {
-	# create a temporary directory
-	mkdir $dirname;
 
-	system("cd $dirname; tar xzf $filename >/dev/null 2>&1") == 0 ||
-	    die "unable to extract backup archive: ERROR";
+	if ($untar) {
+	    # create a temporary directory
+	    mkdir $dirname;
+
+	    system("cd $dirname; tar xzf $filename >/dev/null 2>&1") == 0 ||
+		die "unable to extract backup archive: ERROR";
+	}
 
 	system("cd $dirname; md5sum -c $sigfn") == 0 ||
 	    die "proxmox backup signature check failed: ERROR";
-- 
2.20.1