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#!/usr/bin/env python3
# SPDX-License-Identifier: LGPL-2.1-or-later
import sys
def filter_fsname(name):
# File system magics are sometimes not unique, because file systems got new
# revisions or got renamed. Let's prefer newer over older here, and thus
# ignore the old names.
return name in {
"cpuset", # magic taken over by cgroupfs
"devtmpfs", # not a file system of its own, but just a "named superblock" of tmpfs
"ext2", # ext4 is the newest revision of ext2 + ext3
"ext3",
"fuseblk", # closely related to fuse; they share a single magic, but the latter is more common
"gfs", # magic taken over by gfs2
"msdos", # vfat is the newest revision of msdos
"ncp", # ncpfs (not ncp) was the last name of the netware `file_system_type`
# name before it was removed in 2018
"nfs", # nfs4 is the newest revision of nfs
"pvfs2", # orangefs is the new name of pvfs2
"smb3", # smb3 is an alias for cifs
}
gperf_file = sys.argv[1]
keywords_section = False
for line in open(gperf_file):
if line[0] == "#":
continue
if keywords_section:
name, ids = line.split(",", 1)
name = name.strip()
if filter_fsname(name):
continue
ids = ids.strip()
assert ids[0] == "{"
assert ids[-1] == "}"
ids = ids[1:-1]
for id in ids.split(","):
print(f"case (statfs_f_type_t) {id.strip()}:")
print(f' return "{name}";')
if line.startswith("%%"):
keywords_section = True
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