Ophestra
a6600be34a
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This makes package check portable, and removes nonportable behaviour from package pkg, pipewire, and system. All other packages remain nonportable due to their nature. No latency increase was observed due to this change on amd64 and arm64 linux. Signed-off-by: Ophestra <cat@gensokyo.uk>
459 lines
22 KiB
Go
459 lines
22 KiB
Go
package vfs_test
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import (
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"encoding/json"
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"errors"
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"iter"
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"os"
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"path/filepath"
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"reflect"
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"slices"
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"strconv"
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"strings"
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"syscall"
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"testing"
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"hakurei.app/vfs"
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)
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func TestDecoderError(t *testing.T) {
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t.Parallel()
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testCases := []struct {
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name string
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err *vfs.DecoderError
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want string
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target error
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targetF error
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}{
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{"errno", &vfs.DecoderError{Op: "parse", Line: 0xdead, Err: syscall.ENOTRECOVERABLE},
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"parse mountinfo at line 57005: state not recoverable", syscall.ENOTRECOVERABLE, syscall.EROFS},
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{"strconv", &vfs.DecoderError{Op: "parse", Line: 0xdead, Err: &strconv.NumError{Func: "Atoi", Num: "meow", Err: strconv.ErrSyntax}},
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`parse mountinfo at line 57005: numeric field "meow" invalid syntax`, strconv.ErrSyntax, os.ErrInvalid},
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{"unfold", &vfs.DecoderError{Op: "unfold", Line: -1, Err: vfs.UnfoldTargetError("/proc/nonexistent")},
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"unfold mountinfo: mount point /proc/nonexistent never appeared in mountinfo", vfs.UnfoldTargetError("/proc/nonexistent"), os.ErrNotExist},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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t.Parallel()
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t.Run("error", func(t *testing.T) {
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t.Parallel()
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if got := tc.err.Error(); got != tc.want {
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t.Errorf("Error: %s, want %s", got, tc.want)
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}
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})
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t.Run("is", func(t *testing.T) {
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t.Parallel()
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if !errors.Is(tc.err, tc.target) {
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t.Errorf("Is: unexpected false")
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}
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if errors.Is(tc.err, tc.targetF) {
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t.Errorf("Is: unexpected true")
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}
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})
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})
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}
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}
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func TestMountInfo(t *testing.T) {
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t.Parallel()
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testCases := []mountInfoTest{
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{"count", sampleMountinfoBase + `
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21 20 0:53/ /mnt/test rw,relatime - tmpfs rw
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21 16 0:17 / /sys/fs/cgroup rw,nosuid,nodev,noexec,relatime - tmpfs tmpfs rw,mode=755`,
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&vfs.DecoderError{Op: "parse", Line: 6, Err: vfs.ErrMountInfoFields},
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"", nil, nil, nil},
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{"sep", sampleMountinfoBase + `
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21 20 0:53 / /mnt/test rw,relatime shared:212 _ tmpfs rw
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21 16 0:17 / /sys/fs/cgroup rw,nosuid,nodev,noexec,relatime - tmpfs tmpfs rw,mode=755`,
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&vfs.DecoderError{Op: "parse", Line: 6, Err: vfs.ErrMountInfoSep},
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"", nil, nil, nil},
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{"id", sampleMountinfoBase + `
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id 20 0:53 / /mnt/test rw,relatime shared:212 - tmpfs rw
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21 16 0:17 / /sys/fs/cgroup rw,nosuid,nodev,noexec,relatime - tmpfs tmpfs rw,mode=755`,
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&vfs.DecoderError{Op: "parse", Line: 6, Err: &strconv.NumError{Func: "Atoi", Num: "id", Err: strconv.ErrSyntax}},
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"", nil, nil, nil},
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{"parent", sampleMountinfoBase + `
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21 parent 0:53 / /mnt/test rw,relatime shared:212 - tmpfs rw
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21 16 0:17 / /sys/fs/cgroup rw,nosuid,nodev,noexec,relatime - tmpfs tmpfs rw,mode=755`,
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&vfs.DecoderError{Op: "parse", Line: 6, Err: &strconv.NumError{Func: "Atoi", Num: "parent", Err: strconv.ErrSyntax}}, "", nil, nil, nil},
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{"devno", sampleMountinfoBase + `
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21 20 053 / /mnt/test rw,relatime shared:212 - tmpfs rw
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21 16 0:17 / /sys/fs/cgroup rw,nosuid,nodev,noexec,relatime - tmpfs tmpfs rw,mode=755`,
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nil, "parse mountinfo at line 6: unexpected EOF", nil, nil, nil},
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{"maj", sampleMountinfoBase + `
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21 20 maj:53 / /mnt/test rw,relatime shared:212 - tmpfs rw
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21 16 0:17 / /sys/fs/cgroup rw,nosuid,nodev,noexec,relatime - tmpfs tmpfs rw,mode=755`,
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nil, "parse mountinfo at line 6: expected integer", nil, nil, nil},
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{"min", sampleMountinfoBase + `
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21 20 0:min / /mnt/test rw,relatime shared:212 - tmpfs rw
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21 16 0:17 / /sys/fs/cgroup rw,nosuid,nodev,noexec,relatime - tmpfs tmpfs rw,mode=755`,
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nil, "parse mountinfo at line 6: expected integer", nil, nil, nil},
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{"mountroot", sampleMountinfoBase + `
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21 20 0:53 /mnt/test rw,relatime - tmpfs rw
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21 16 0:17 / /sys/fs/cgroup rw,nosuid,nodev,noexec,relatime - tmpfs tmpfs rw,mode=755`,
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&vfs.DecoderError{Op: "parse", Line: 6, Err: vfs.ErrMountInfoEmpty}, "", nil, nil, nil},
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{"target", sampleMountinfoBase + `
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21 20 0:53 / rw,relatime - tmpfs rw
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21 16 0:17 / /sys/fs/cgroup rw,nosuid,nodev,noexec,relatime - tmpfs tmpfs rw,mode=755`,
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&vfs.DecoderError{Op: "parse", Line: 6, Err: vfs.ErrMountInfoEmpty}, "", nil, nil, nil},
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{"vfs options", sampleMountinfoBase + `
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21 20 0:53 / /mnt/test - tmpfs rw
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21 16 0:17 / /sys/fs/cgroup rw,nosuid,nodev,noexec,relatime - tmpfs tmpfs rw,mode=755`,
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&vfs.DecoderError{Op: "parse", Line: 6, Err: vfs.ErrMountInfoEmpty}, "", nil, nil, nil},
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{"FS type", sampleMountinfoBase + `
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21 16 0:17 / /sys/fs/cgroup rw,nosuid,nodev,noexec,relatime - tmpfs tmpfs rw,mode=755
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21 20 0:53 / /mnt/test rw,relatime - rw`,
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&vfs.DecoderError{Op: "parse", Line: 7, Err: vfs.ErrMountInfoEmpty}, "", nil, nil, nil},
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{"base", sampleMountinfoBase, nil, "", []*wantMountInfo{
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m(15, 20, 0, 3, "/", "/proc", "rw,relatime", o(), "proc", "/proc", "rw", syscall.MS_RELATIME, nil),
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m(16, 20, 0, 15, "/", "/sys", "rw,relatime", o(), "sysfs", "/sys", "rw", syscall.MS_RELATIME, nil),
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m(17, 20, 0, 5, "/", "/dev", "rw,relatime", o(), "devtmpfs", "udev", "rw,size=1983516k,nr_inodes=495879,mode=755", syscall.MS_RELATIME, nil),
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m(18, 17, 0, 10, "/", "/dev/pts", "rw,relatime", o(), "devpts", "devpts", "rw,gid=5,mode=620,ptmxmode=000", syscall.MS_RELATIME, nil),
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m(19, 17, 0, 16, "/", "/dev/shm", "rw,relatime", o(), "tmpfs", "tmpfs", "rw", syscall.MS_RELATIME, nil),
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m(20, 1, 8, 4, "/", "/", "ro,noatime,nodiratime,meow", o(), "ext3", "/dev/sda4", "rw,errors=continue,user_xattr,acl,barrier=0,data=ordered", syscall.MS_RDONLY|syscall.MS_NOATIME|syscall.MS_NODIRATIME, []string{"meow"}),
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},
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mn(20, 1, 8, 4, "/", "/", "ro,noatime,nodiratime,meow", o(), "ext3", "/dev/sda4", "rw,errors=continue,user_xattr,acl,barrier=0,data=ordered", false,
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mn(15, 20, 0, 3, "/", "/proc", "rw,relatime", o(), "proc", "/proc", "rw", false, nil,
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mn(16, 20, 0, 15, "/", "/sys", "rw,relatime", o(), "sysfs", "/sys", "rw", false, nil,
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mn(17, 20, 0, 5, "/", "/dev", "rw,relatime", o(), "devtmpfs", "udev", "rw,size=1983516k,nr_inodes=495879,mode=755", false,
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mn(18, 17, 0, 10, "/", "/dev/pts", "rw,relatime", o(), "devpts", "devpts", "rw,gid=5,mode=620,ptmxmode=000", false, nil,
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mn(19, 17, 0, 16, "/", "/dev/shm", "rw,relatime", o(), "tmpfs", "tmpfs", "rw", false, nil, nil)),
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nil))), nil), func(n *vfs.MountInfoNode) []*vfs.MountInfoNode {
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return []*vfs.MountInfoNode{
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n,
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n.FirstChild,
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n.FirstChild.NextSibling,
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n.FirstChild.NextSibling.NextSibling,
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n.FirstChild.NextSibling.NextSibling.FirstChild,
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n.FirstChild.NextSibling.NextSibling.FirstChild.NextSibling,
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}
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}},
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{"sample", sampleMountinfo, nil, "", []*wantMountInfo{
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m(15, 20, 0, 3, "/", "/proc", "rw,relatime", o(), "proc", "/proc", "rw", syscall.MS_RELATIME, nil),
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m(16, 20, 0, 15, "/", "/sys", "rw,relatime", o(), "sysfs", "/sys", "rw", syscall.MS_RELATIME, nil),
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m(17, 20, 0, 5, "/", "/dev", "rw,relatime", o(), "devtmpfs", "udev", "rw,size=1983516k,nr_inodes=495879,mode=755", syscall.MS_RELATIME, nil),
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m(18, 17, 0, 10, "/", "/dev/pts", "rw,relatime", o(), "devpts", "devpts", "rw,gid=5,mode=620,ptmxmode=000", syscall.MS_RELATIME, nil),
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m(19, 17, 0, 16, "/", "/dev/shm", "rw,relatime", o(), "tmpfs", "tmpfs", "rw", syscall.MS_RELATIME, nil),
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m(20, 1, 8, 4, "/", "/", "rw,noatime", o(), "ext3", "/dev/sda4", "rw,errors=continue,user_xattr,acl,barrier=0,data=ordered", syscall.MS_NOATIME, nil),
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m(21, 16, 0, 17, "/", "/sys/fs/cgroup", "rw,nosuid,nodev,noexec,relatime", o(), "tmpfs", "tmpfs", "rw,mode=755", syscall.MS_NOSUID|syscall.MS_NODEV|syscall.MS_NOEXEC|syscall.MS_RELATIME, nil),
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m(22, 21, 0, 18, "/", "/sys/fs/cgroup/systemd", "rw,nosuid,nodev,noexec,relatime", o(), "cgroup", "cgroup", "rw,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd", syscall.MS_NOSUID|syscall.MS_NODEV|syscall.MS_NOEXEC|syscall.MS_RELATIME, nil),
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m(23, 21, 0, 19, "/", "/sys/fs/cgroup/cpuset", "rw,nosuid,nodev,noexec,relatime", o(), "cgroup", "cgroup", "rw,cpuset", syscall.MS_NOSUID|syscall.MS_NODEV|syscall.MS_NOEXEC|syscall.MS_RELATIME, nil),
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m(24, 21, 0, 20, "/", "/sys/fs/cgroup/ns", "rw,nosuid,nodev,noexec,relatime", o(), "cgroup", "cgroup", "rw,ns", syscall.MS_NOSUID|syscall.MS_NODEV|syscall.MS_NOEXEC|syscall.MS_RELATIME, nil),
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m(25, 21, 0, 21, "/", "/sys/fs/cgroup/cpu", "rw,nosuid,nodev,noexec,relatime", o(), "cgroup", "cgroup", "rw,cpu", syscall.MS_NOSUID|syscall.MS_NODEV|syscall.MS_NOEXEC|syscall.MS_RELATIME, nil),
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m(26, 21, 0, 22, "/", "/sys/fs/cgroup/cpuacct", "rw,nosuid,nodev,noexec,relatime", o(), "cgroup", "cgroup", "rw,cpuacct", syscall.MS_NOSUID|syscall.MS_NODEV|syscall.MS_NOEXEC|syscall.MS_RELATIME, nil),
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m(27, 21, 0, 23, "/", "/sys/fs/cgroup/memory", "rw,nosuid,nodev,noexec,relatime", o(), "cgroup", "cgroup", "rw,memory", syscall.MS_NOSUID|syscall.MS_NODEV|syscall.MS_NOEXEC|syscall.MS_RELATIME, nil),
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m(28, 21, 0, 24, "/", "/sys/fs/cgroup/devices", "rw,nosuid,nodev,noexec,relatime", o(), "cgroup", "cgroup", "rw,devices", syscall.MS_NOSUID|syscall.MS_NODEV|syscall.MS_NOEXEC|syscall.MS_RELATIME, nil),
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m(29, 21, 0, 25, "/", "/sys/fs/cgroup/freezer", "rw,nosuid,nodev,noexec,relatime", o(), "cgroup", "cgroup", "rw,freezer", syscall.MS_NOSUID|syscall.MS_NODEV|syscall.MS_NOEXEC|syscall.MS_RELATIME, nil),
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m(30, 21, 0, 26, "/", "/sys/fs/cgroup/net_cls", "rw,nosuid,nodev,noexec,relatime", o(), "cgroup", "cgroup", "rw,net_cls", syscall.MS_NOSUID|syscall.MS_NODEV|syscall.MS_NOEXEC|syscall.MS_RELATIME, nil),
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m(31, 21, 0, 27, "/", "/sys/fs/cgroup/blkio", "rw,nosuid,nodev,noexec,relatime", o(), "cgroup", "cgroup", "rw,blkio", syscall.MS_NOSUID|syscall.MS_NODEV|syscall.MS_NOEXEC|syscall.MS_RELATIME, nil),
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m(32, 16, 0, 28, "/", "/sys/kernel/security", "rw,relatime", o(), "autofs", "systemd-1", "rw,fd=22,pgrp=1,timeout=300,minproto=5,maxproto=5,direct", syscall.MS_RELATIME, nil),
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m(33, 17, 0, 29, "/", "/dev/hugepages", "rw,relatime", o(), "autofs", "systemd-1", "rw,fd=23,pgrp=1,timeout=300,minproto=5,maxproto=5,direct", syscall.MS_RELATIME, nil),
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m(34, 16, 0, 30, "/", "/sys/kernel/debug", "rw,relatime", o(), "autofs", "systemd-1", "rw,fd=24,pgrp=1,timeout=300,minproto=5,maxproto=5,direct", syscall.MS_RELATIME, nil),
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m(35, 15, 0, 31, "/", "/proc/sys/fs/binfmt_misc", "rw,relatime", o(), "autofs", "systemd-1", "rw,fd=25,pgrp=1,timeout=300,minproto=5,maxproto=5,direct", syscall.MS_RELATIME, nil),
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m(36, 17, 0, 32, "/", "/dev/mqueue", "rw,relatime", o(), "autofs", "systemd-1", "rw,fd=26,pgrp=1,timeout=300,minproto=5,maxproto=5,direct", syscall.MS_RELATIME, nil),
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m(37, 15, 0, 14, "/", "/proc/bus/usb", "rw,relatime", o(), "usbfs", "/proc/bus/usb", "rw", syscall.MS_RELATIME, nil),
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m(38, 33, 0, 33, "/", "/dev/hugepages", "rw,relatime", o(), "hugetlbfs", "hugetlbfs", "rw", syscall.MS_RELATIME, nil),
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m(39, 36, 0, 12, "/", "/dev/mqueue", "rw,relatime", o(), "mqueue", "mqueue", "rw", syscall.MS_RELATIME, nil),
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m(40, 20, 8, 6, "/", "/boot", "rw,noatime", o(), "ext3", "/dev/sda6", "rw,errors=continue,barrier=0,data=ordered", syscall.MS_NOATIME, nil),
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m(41, 20, 253, 0, "/", "/home/kzak", "rw,noatime", o(), "ext4", "/dev/mapper/kzak-home", "rw,barrier=1,data=ordered", syscall.MS_NOATIME, nil),
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m(42, 35, 0, 34, "/", "/proc/sys/fs/binfmt_misc", "rw,relatime", o(), "binfmt_misc", "none", "rw", syscall.MS_RELATIME, nil),
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m(43, 16, 0, 35, "/", "/sys/fs/fuse/connections", "rw,relatime", o(), "fusectl", "fusectl", "rw", syscall.MS_RELATIME, nil),
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m(44, 41, 0, 36, "/", "/home/kzak/.gvfs", "rw,nosuid,nodev,relatime", o(), "fuse.gvfs-fuse-daemon", "gvfs-fuse-daemon", "rw,user_id=500,group_id=500", syscall.MS_NOSUID|syscall.MS_NODEV|syscall.MS_RELATIME, nil),
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m(45, 20, 0, 37, "/", "/var/lib/nfs/rpc_pipefs", "rw,relatime", o(), "rpc_pipefs", "sunrpc", "rw", syscall.MS_RELATIME, nil),
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m(47, 20, 0, 38, "/", "/mnt/sounds", "rw,relatime", o(), "cifs", "//foo.home/bar/", "rw,unc=\\\\foo.home\\bar,username=kzak,domain=SRGROUP,uid=0,noforceuid,gid=0,noforcegid,addr=192.168.111.1,posixpaths,serverino,acl,rsize=16384,wsize=57344", syscall.MS_RELATIME, nil),
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m(49, 20, 0, 56, "/", "/mnt/test/foobar", "rw,relatime,nosymfollow", o("shared:323"), "tmpfs", "tmpfs", "rw", syscall.MS_RELATIME|vfs.MS_NOSYMFOLLOW, nil),
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}, nil, nil},
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{"sample nosrc", sampleMountinfoNoSrc, nil, "", []*wantMountInfo{
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m(15, 20, 0, 3, "/", "/proc", "rw,relatime", o(), "proc", "/proc", "rw", syscall.MS_RELATIME, nil),
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m(16, 20, 0, 15, "/", "/sys", "rw,relatime", o(), "sysfs", "/sys", "rw", syscall.MS_RELATIME, nil),
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m(17, 20, 0, 5, "/", "/dev", "rw,relatime", o(), "devtmpfs", "udev", "rw,size=1983516k,nr_inodes=495879,mode=755", syscall.MS_RELATIME, nil),
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m(18, 17, 0, 10, "/", "/dev/pts", "rw,relatime", o(), "devpts", "devpts", "rw,gid=5,mode=620,ptmxmode=000", syscall.MS_RELATIME, nil),
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m(19, 17, 0, 16, "/", "/dev/shm", "rw,relatime", o(), "tmpfs", "tmpfs", "rw", syscall.MS_RELATIME, nil),
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m(20, 1, 8, 4, "/", "/", "rw,noatime", o(), "ext3", "/dev/sda4", "rw,errors=continue,user_xattr,acl,barrier=0,data=ordered", syscall.MS_NOATIME, nil),
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m(21, 20, 0, 53, "/", "/mnt/test", "rw,relatime", o("shared:212"), "tmpfs", "", "rw", syscall.MS_RELATIME, nil),
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}, nil, nil},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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t.Parallel()
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t.Run("decode", func(t *testing.T) {
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t.Parallel()
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var got *vfs.MountInfo
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d := vfs.NewMountInfoDecoder(strings.NewReader(tc.sample))
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err := d.Decode(&got)
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tc.check(t, d, "Decode",
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func(yield func(*vfs.MountInfoEntry) bool) {
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for cur := got; cur != nil; cur = cur.Next {
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if !yield(&cur.MountInfoEntry) {
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return
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}
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}
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}, func() error { return err })
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t.Run("reuse", func(t *testing.T) {
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tc.check(t, d, "Entries",
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d.Entries(), d.Err)
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})
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})
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t.Run("iter", func(t *testing.T) {
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t.Parallel()
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d := vfs.NewMountInfoDecoder(strings.NewReader(tc.sample))
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tc.check(t, d, "Entries",
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d.Entries(), d.Err)
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t.Run("reuse", func(t *testing.T) {
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tc.check(t, d, "Entries",
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d.Entries(), d.Err)
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})
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})
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t.Run("yield", func(t *testing.T) {
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t.Parallel()
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d := vfs.NewMountInfoDecoder(strings.NewReader(tc.sample))
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v := false
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d.Entries()(func(entry *vfs.MountInfoEntry) bool { v = !v; return v })
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d.Entries()(func(entry *vfs.MountInfoEntry) bool { return false })
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tc.check(t, d, "Entries",
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d.Entries(), d.Err)
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t.Run("reuse", func(t *testing.T) {
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tc.check(t, d, "Entries",
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d.Entries(), d.Err)
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})
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})
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})
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}
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}
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type mountInfoTest struct {
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name string
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sample string
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wantErr error
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wantError string
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want []*wantMountInfo
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wantNode *vfs.MountInfoNode
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wantCollectF func(n *vfs.MountInfoNode) []*vfs.MountInfoNode
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}
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func (tc *mountInfoTest) check(t *testing.T, d *vfs.MountInfoDecoder, funcName string,
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got iter.Seq[*vfs.MountInfoEntry], gotErr func() error) {
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i := 0
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for cur := range got {
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if i == len(tc.want) {
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if funcName != "Decode" && (tc.wantErr != nil || tc.wantError != "") {
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continue
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}
|
|
|
|
t.Errorf("%s: got more than %d entries", funcName, len(tc.want))
|
|
break
|
|
}
|
|
|
|
if !reflect.DeepEqual(cur, &tc.want[i].MountInfoEntry) {
|
|
t.Errorf("%s: entry %d\ngot: %#v\nwant: %#v",
|
|
funcName, i, cur, tc.want[i])
|
|
}
|
|
|
|
flags, unmatched := cur.Flags()
|
|
if flags != tc.want[i].flags {
|
|
t.Errorf("Flags(%q): %#x, want %#x",
|
|
cur.VfsOptstr, flags, tc.want[i].flags)
|
|
}
|
|
if !slices.Equal(unmatched, tc.want[i].unmatched) {
|
|
t.Errorf("Flags(%q): unmatched = %#q, want %#q",
|
|
cur.VfsOptstr, unmatched, tc.want[i].unmatched)
|
|
}
|
|
|
|
i++
|
|
}
|
|
|
|
if i != len(tc.want) {
|
|
t.Errorf("%s: got %d entries, want %d", funcName, i, len(tc.want))
|
|
}
|
|
|
|
if tc.wantErr == nil && tc.wantError == "" && tc.wantCollectF != nil {
|
|
t.Run("unfold", func(t *testing.T) {
|
|
n, err := d.Unfold("/")
|
|
if err != nil {
|
|
t.Errorf("Unfold: error = %v", err)
|
|
} else {
|
|
t.Run("stop", func(t *testing.T) {
|
|
v := false
|
|
n.Collective()(func(node *vfs.MountInfoNode) bool { v = !v; return v })
|
|
})
|
|
|
|
if !reflect.DeepEqual(n, tc.wantNode) {
|
|
t.Errorf("Unfold: %s, want %s",
|
|
mustMarshal(n), mustMarshal(tc.wantNode))
|
|
}
|
|
|
|
t.Run("collective", func(t *testing.T) {
|
|
wantCollect := tc.wantCollectF(n)
|
|
if gotCollect := slices.Collect(n.Collective()); !reflect.DeepEqual(gotCollect, wantCollect) {
|
|
t.Errorf("Collective: \ngot %#v\nwant %#v",
|
|
gotCollect, wantCollect)
|
|
}
|
|
})
|
|
}
|
|
})
|
|
} else if tc.wantNode != nil || tc.wantCollectF != nil {
|
|
panic("invalid test case")
|
|
} else if _, err := d.Unfold("/"); !reflect.DeepEqual(err, tc.wantErr) {
|
|
if tc.wantError == "" {
|
|
t.Errorf("Unfold: error = %#v, wantErr %#v",
|
|
err, tc.wantErr)
|
|
} else if err != nil && err.Error() != tc.wantError {
|
|
t.Errorf("Unfold: error = %q, wantError %q",
|
|
err, tc.wantError)
|
|
}
|
|
}
|
|
|
|
if err := gotErr(); !reflect.DeepEqual(err, tc.wantErr) {
|
|
if tc.wantError == "" {
|
|
t.Errorf("%s: error = %#v, wantErr %#v",
|
|
funcName, err, tc.wantErr)
|
|
} else if err != nil && err.Error() != tc.wantError {
|
|
t.Errorf("%s: error = %q, wantError %q",
|
|
funcName, err, tc.wantError)
|
|
}
|
|
}
|
|
}
|
|
|
|
func mustMarshal(v any) string {
|
|
p, err := json.Marshal(v)
|
|
if err != nil {
|
|
panic(err.Error())
|
|
}
|
|
return string(p)
|
|
}
|
|
|
|
type wantMountInfo struct {
|
|
vfs.MountInfoEntry
|
|
flags uintptr
|
|
unmatched []string
|
|
}
|
|
|
|
func m(
|
|
id, parent, maj, min int, root, target, vfsOptstr string, optFields []string, fsType, source, fsOptstr string,
|
|
flags uintptr, unmatched []string,
|
|
) *wantMountInfo {
|
|
return &wantMountInfo{
|
|
vfs.MountInfoEntry{
|
|
ID: id,
|
|
Parent: parent,
|
|
Devno: vfs.DevT{maj, min},
|
|
Root: root,
|
|
Target: target,
|
|
VfsOptstr: vfsOptstr,
|
|
OptFields: optFields,
|
|
FsType: fsType,
|
|
Source: source,
|
|
FsOptstr: fsOptstr,
|
|
}, flags, unmatched,
|
|
}
|
|
}
|
|
|
|
func mn(
|
|
id, parent, maj, min int, root, target, vfsOptstr string, optFields []string, fsType, source, fsOptstr string,
|
|
covered bool, firstChild, nextSibling *vfs.MountInfoNode,
|
|
) *vfs.MountInfoNode {
|
|
return &vfs.MountInfoNode{
|
|
MountInfoEntry: &vfs.MountInfoEntry{
|
|
ID: id,
|
|
Parent: parent,
|
|
Devno: vfs.DevT{maj, min},
|
|
Root: root,
|
|
Target: target,
|
|
VfsOptstr: vfsOptstr,
|
|
OptFields: optFields,
|
|
FsType: fsType,
|
|
Source: source,
|
|
FsOptstr: fsOptstr,
|
|
},
|
|
FirstChild: firstChild,
|
|
NextSibling: nextSibling,
|
|
Clean: filepath.Clean(target),
|
|
Covered: covered,
|
|
}
|
|
}
|
|
|
|
func o(field ...string) []string {
|
|
if field == nil {
|
|
return []string{}
|
|
}
|
|
return field
|
|
}
|
|
|
|
const (
|
|
sampleMountinfoBase = `15 20 0:3 / /proc rw,relatime - proc /proc rw
|
|
16 20 0:15 / /sys rw,relatime - sysfs /sys rw
|
|
17 20 0:5 / /dev rw,relatime - devtmpfs udev rw,size=1983516k,nr_inodes=495879,mode=755
|
|
18 17 0:10 / /dev/pts rw,relatime - devpts devpts rw,gid=5,mode=620,ptmxmode=000
|
|
19 17 0:16 / /dev/shm rw,relatime - tmpfs tmpfs rw
|
|
20 1 8:4 / / ro,noatime,nodiratime,meow - ext3 /dev/sda4 rw,errors=continue,user_xattr,acl,barrier=0,data=ordered`
|
|
|
|
sampleMountinfo = `15 20 0:3 / /proc rw,relatime - proc /proc rw
|
|
16 20 0:15 / /sys rw,relatime - sysfs /sys rw
|
|
17 20 0:5 / /dev rw,relatime - devtmpfs udev rw,size=1983516k,nr_inodes=495879,mode=755
|
|
18 17 0:10 / /dev/pts rw,relatime - devpts devpts rw,gid=5,mode=620,ptmxmode=000
|
|
19 17 0:16 / /dev/shm rw,relatime - tmpfs tmpfs rw
|
|
20 1 8:4 / / rw,noatime - ext3 /dev/sda4 rw,errors=continue,user_xattr,acl,barrier=0,data=ordered
|
|
21 16 0:17 / /sys/fs/cgroup rw,nosuid,nodev,noexec,relatime - tmpfs tmpfs rw,mode=755
|
|
22 21 0:18 / /sys/fs/cgroup/systemd rw,nosuid,nodev,noexec,relatime - cgroup cgroup rw,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd
|
|
23 21 0:19 / /sys/fs/cgroup/cpuset rw,nosuid,nodev,noexec,relatime - cgroup cgroup rw,cpuset
|
|
24 21 0:20 / /sys/fs/cgroup/ns rw,nosuid,nodev,noexec,relatime - cgroup cgroup rw,ns
|
|
25 21 0:21 / /sys/fs/cgroup/cpu rw,nosuid,nodev,noexec,relatime - cgroup cgroup rw,cpu
|
|
26 21 0:22 / /sys/fs/cgroup/cpuacct rw,nosuid,nodev,noexec,relatime - cgroup cgroup rw,cpuacct
|
|
27 21 0:23 / /sys/fs/cgroup/memory rw,nosuid,nodev,noexec,relatime - cgroup cgroup rw,memory
|
|
28 21 0:24 / /sys/fs/cgroup/devices rw,nosuid,nodev,noexec,relatime - cgroup cgroup rw,devices
|
|
29 21 0:25 / /sys/fs/cgroup/freezer rw,nosuid,nodev,noexec,relatime - cgroup cgroup rw,freezer
|
|
30 21 0:26 / /sys/fs/cgroup/net_cls rw,nosuid,nodev,noexec,relatime - cgroup cgroup rw,net_cls
|
|
31 21 0:27 / /sys/fs/cgroup/blkio rw,nosuid,nodev,noexec,relatime - cgroup cgroup rw,blkio
|
|
32 16 0:28 / /sys/kernel/security rw,relatime - autofs systemd-1 rw,fd=22,pgrp=1,timeout=300,minproto=5,maxproto=5,direct
|
|
33 17 0:29 / /dev/hugepages rw,relatime - autofs systemd-1 rw,fd=23,pgrp=1,timeout=300,minproto=5,maxproto=5,direct
|
|
34 16 0:30 / /sys/kernel/debug rw,relatime - autofs systemd-1 rw,fd=24,pgrp=1,timeout=300,minproto=5,maxproto=5,direct
|
|
35 15 0:31 / /proc/sys/fs/binfmt_misc rw,relatime - autofs systemd-1 rw,fd=25,pgrp=1,timeout=300,minproto=5,maxproto=5,direct
|
|
36 17 0:32 / /dev/mqueue rw,relatime - autofs systemd-1 rw,fd=26,pgrp=1,timeout=300,minproto=5,maxproto=5,direct
|
|
37 15 0:14 / /proc/bus/usb rw,relatime - usbfs /proc/bus/usb rw
|
|
38 33 0:33 / /dev/hugepages rw,relatime - hugetlbfs hugetlbfs rw
|
|
39 36 0:12 / /dev/mqueue rw,relatime - mqueue mqueue rw
|
|
40 20 8:6 / /boot rw,noatime - ext3 /dev/sda6 rw,errors=continue,barrier=0,data=ordered
|
|
41 20 253:0 / /home/kzak rw,noatime - ext4 /dev/mapper/kzak-home rw,barrier=1,data=ordered
|
|
42 35 0:34 / /proc/sys/fs/binfmt_misc rw,relatime - binfmt_misc none rw
|
|
43 16 0:35 / /sys/fs/fuse/connections rw,relatime - fusectl fusectl rw
|
|
44 41 0:36 / /home/kzak/.gvfs rw,nosuid,nodev,relatime - fuse.gvfs-fuse-daemon gvfs-fuse-daemon rw,user_id=500,group_id=500
|
|
45 20 0:37 / /var/lib/nfs/rpc_pipefs rw,relatime - rpc_pipefs sunrpc rw
|
|
47 20 0:38 / /mnt/sounds rw,relatime - cifs //foo.home/bar/ rw,unc=\\foo.home\bar,username=kzak,domain=SRGROUP,uid=0,noforceuid,gid=0,noforcegid,addr=192.168.111.1,posixpaths,serverino,acl,rsize=16384,wsize=57344
|
|
49 20 0:56 / /mnt/test/foobar rw,relatime,nosymfollow shared:323 - tmpfs tmpfs rw`
|
|
|
|
sampleMountinfoNoSrc = `15 20 0:3 / /proc rw,relatime - proc /proc rw
|
|
16 20 0:15 / /sys rw,relatime - sysfs /sys rw
|
|
17 20 0:5 / /dev rw,relatime - devtmpfs udev rw,size=1983516k,nr_inodes=495879,mode=755
|
|
18 17 0:10 / /dev/pts rw,relatime - devpts devpts rw,gid=5,mode=620,ptmxmode=000
|
|
19 17 0:16 / /dev/shm rw,relatime - tmpfs tmpfs rw
|
|
20 1 8:4 / / rw,noatime - ext3 /dev/sda4 rw,errors=continue,user_xattr,acl,barrier=0,data=ordered
|
|
21 20 0:53 / /mnt/test rw,relatime shared:212 - tmpfs rw`
|
|
)
|