btrfs-progs: btrfs-debugfs: Display usage hint with no arguments

PATCH New Lakshmipathi.G 1 participant 1 message Jan 3, 2017 Btrfs file system

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Lakshmipathi.G

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2017-01-03 11:08 UTC #0 lore raw

PATCH 1/1 btrfs-progs: btrfs-debugfs: Display usage hint with no arguments

---
 btrfs-debugfs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

btrfs-debugfs +3 -1

index dfb8853..70419fa 100755
@@ -392,7 +392,9 @@ parser.add_argument('-f', '--file', action='store_const', const=1, help='get fil
 
 args = parser.parse_args()
 
-if args.block_group:
+if not (args.block_group or args.file):
+    print "No arguments passed. Type 'btrfs-debugfs -h' for usage."
+elif args.block_group:
     for i in args.path[0:]:
         print_block_groups(i)
 elif args.file:

Signature · 1 line

2.7.4