[thirdparty/systemd.git] / src / basic / check-filesystems.sh

#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
set -eu
set -o pipefail

cpp="$1"
filesystems_gperf="$2"
shift 2

includes=""
for i in "$@"; do
    includes="$includes -include $i"
done

error=false

# shellcheck disable=SC2086
for fs in $($cpp -dM $includes - </dev/null | \
            grep -E '_MAGIC' | \
            grep -vE 'LINUX_MAGIC' | \
            awk '/^#define[ \t]+[A-Z0-9_]+MAGIC[ \t]+/ { print $2; }'); do
    if ! grep -E "\{.*$fs.*\}" "$filesystems_gperf" >/dev/null; then
        # STACK_END_MAGIC doesn't refer to a filesystem
        # mtd_inode was removed in 2015
        # futexfs was removed in 2018
        if [[ "$fs" =~ ^(STACK_END_MAGIC|MTD_INODE_FS_MAGIC|FUTEXFS_SUPER_MAGIC)$ ]]; then
            continue
        fi
        echo "Filesystem found in kernel header but not in $(basename "$filesystems_gperf"): $fs";
        error=true
    fi
done

if $error; then
    exit 1
fi
Commit	Line	Data
f1e6f933	1	#!/usr/bin/env bash
1315ce31 ILG	2	# SPDX-License-Identifier: LGPL-2.1-or-later
	3	set -eu
	4	set -o pipefail
	5
	6	cpp="$1"
	7	filesystems_gperf="$2"
	8	shift 2
	9
	10	includes=""
	11	for i in "$@"; do
	12	includes="$includes -include $i"
	13	done
	14
	15	error=false
	16
	17	# shellcheck disable=SC2086
	18	for fs in $($cpp -dM $includes - </dev/null \| \
	19	grep -E '_MAGIC' \| \
	20	grep -vE 'LINUX_MAGIC' \| \
	21	awk '/^#define[ \t]+[A-Z0-9_]+MAGIC[ \t]+/ { print $2; }'); do
	22	if ! grep -E "\{.$fs.\}" "$filesystems_gperf" >/dev/null; then
	23	# STACK_END_MAGIC doesn't refer to a filesystem
	24	# mtd_inode was removed in 2015
	25	# futexfs was removed in 2018
	26	if [[ "$fs" =~ ^(STACK_END_MAGIC\|MTD_INODE_FS_MAGIC\|FUTEXFS_SUPER_MAGIC)$ ]]; then
	27	continue
	28	fi
	29	echo "Filesystem found in kernel header but not in $(basename "$filesystems_gperf"): $fs";
	30	error=true
	31	fi
	32	done
	33
	34	if $error; then
	35	exit 1
	36	fi