Dont hard code paths ni test 050, and fix common.quota macros on Debian setups.

Merge of master-melb:xfs-cmds:26021a by kenmcd.

050

@@ -83,10 +83,8 @@ _exercise()
 	# keep the blocksize and data size for dd later
 	. $tmp.mkfs
 
-	
 	_qmount
 
-
 	# Figure out whether we're doing large allocations
 	# (bail out if they're so large they stuff the test up)
 	_test_inode_flag extsz-inherit $SCRATCH_MNT
@@ -175,7 +173,7 @@ _qmount_option()
 }
 
 cat >$tmp.projects <<EOF
-1:/mnt/scratch
+1:$SCRATCH_MNT
 EOF
 
 cat >$tmp.projid <<EOF

common.quota

@@ -34,8 +34,8 @@ _require_nobody()
     grep -q '^nobody' /etc/passwd
     [ $? -ne 0 ] && _notrun "/etc/passwd does not contain user nobody."
 
-    grep -q '^nobody' /etc/group
-    [ $? -ne 0 ] && _notrun "/etc/group does not contain user nobody."
+    egrep -q '^no(body|group)' /etc/group
+    [ $? -ne 0 ] && _notrun "/etc/group does not contain nobody/nogroup."
 }
 
 # create a file as a specific user (uid)
@@ -81,7 +81,7 @@ _choose_uid()
 
 _choose_gid()
 {
-    grep '^nobody' /etc/group | perl -ne '@a = split(/:/); END { printf "id=%d name=%s\n", $a[2],$a[0] }'
+    egrep '^no(body|group)' /etc/group | perl -ne '@a = split(/:/); END { printf "id=%d name=%s\n", $a[2],$a[0] }'
 }
 
 _choose_prid()