common/fuzzy: if the fuzz verb is random, keep fuzzing until we get a new value
[xfstests-dev.git] / common / filter.btrfs
1 # Filters for btrfs command output
2
3 . ./common/filter
4
5 # Some, but not all, commands emit "Btrfs <version>"
6 _filter_btrfs_version()
7 {
8         sed -e "s/^[Bb]trfs.*//g"
9 }
10
11 _filter_devid()
12 {
13         sed -e "s/\(devid\)\s\+[0-9]\+/\1 <DEVID>/g"
14 }
15
16 # If passed a number as first arg, filter that number of devices
17 # If passed a UUID as second arg, filter that exact UUID
18 _filter_btrfs_filesystem_show()
19 {
20         if [ ! -z $1 ]; then
21                 NUMDEVS=$1
22                 NUM_SUBST="<EXACTNUM>"
23         else
24                 NUMDEVS="[0-9]\+"
25                 NUM_SUBST="<NUM>"
26         fi
27
28         UUID=""
29         if [ ! -z $2 ]; then
30                 UUID=$2
31         fi
32
33         # the uniq collapses all device lines into 1
34         _filter_uuid $UUID | _filter_scratch | _filter_scratch_pool | \
35         _filter_size | _filter_btrfs_version | _filter_devid | \
36         _filter_zero_size | \
37         sed -e "s/\(Total devices\) $NUMDEVS/\1 $NUM_SUBST/g" | \
38         uniq
39 }
40
41 # This eliminates all numbers, and shows only unique lines,
42 # to accomodate a varying nr. of devices.
43 # If given an argument, make sure we saw that many devices
44 # in total.
45 _filter_btrfs_device_stats()
46 {
47         if [ ! -z $1 ]; then
48                 NUMDEVS=$1
49                 UNIQ_OPT="-c"
50         else
51                 NUMDEVS="thiswillnotmatch"
52                 UNIQ_OPT=""
53         fi
54
55         _filter_scratch | _filter_scratch_pool | \
56         sed -e "s/[0-9]\+$/<NUM>/g" | sort | uniq $UNIQ_OPT | \
57         sed -e "s/ *$NUMDEVS /<NUMDEVS> /g"
58 }
59
60 _filter_transaction_commit() {
61         sed -e "/Transaction commit: none (default)/d" | \
62         sed -e "s/Delete subvolume (.*commit):/Delete subvolume/g"
63 }
64
65 _filter_btrfs_subvol_delete()
66 {
67         _filter_scratch | _filter_transaction_commit
68 }
69
70 _filter_btrfs_compress_property()
71 {
72         sed -e "s/compression=\(lzo\|zlib\|zstd\)/COMPRESSION=XXX/g"
73 }
74
75 # filter error messages from btrfs prop, optionally verify against $1
76 # recognized message(s):
77 #  "object is not compatible with property: label"
78 #  "invalid value for property:{, value}"
79 #  "failed to {get,set} compression for $PATH[.:]: Invalid argument"
80 _filter_btrfs_prop_error()
81 {
82         if ! [ -z "$1" ]; then
83                 sed -e "s#\(compatible with property\): $1#\1#" \
84                     -e "s#^\(.*failed to [sg]et compression for $1\)[:.] \(.*\)#\1: \2#"
85         else
86                 sed -e "s#^\(.*compatible with property\).*#\1#" \
87                     -e "s#^\(.*invalid value for property\)[:.].*#\1#"
88         fi
89 }
90
91 # make sure this script returns success
92 /bin/true