forked from forgejo/forgejo
Vendor Update Go Libs (#13166)
* update github.com/alecthomas/chroma v0.8.0 -> v0.8.1 * github.com/blevesearch/bleve v1.0.10 -> v1.0.12 * editorconfig-core-go v2.1.1 -> v2.3.7 * github.com/gliderlabs/ssh v0.2.2 -> v0.3.1 * migrate editorconfig.ParseBytes to Parse * github.com/shurcooL/vfsgen to 0d455de96546 * github.com/go-git/go-git/v5 v5.1.0 -> v5.2.0 * github.com/google/uuid v1.1.1 -> v1.1.2 * github.com/huandu/xstrings v1.3.0 -> v1.3.2 * github.com/klauspost/compress v1.10.11 -> v1.11.1 * github.com/markbates/goth v1.61.2 -> v1.65.0 * github.com/mattn/go-sqlite3 v1.14.0 -> v1.14.4 * github.com/mholt/archiver v3.3.0 -> v3.3.2 * github.com/microcosm-cc/bluemonday 4f7140c49acb -> v1.0.4 * github.com/minio/minio-go v7.0.4 -> v7.0.5 * github.com/olivere/elastic v7.0.9 -> v7.0.20 * github.com/urfave/cli v1.20.0 -> v1.22.4 * github.com/prometheus/client_golang v1.1.0 -> v1.8.0 * github.com/xanzy/go-gitlab v0.37.0 -> v0.38.1 * mvdan.cc/xurls v2.1.0 -> v2.2.0 Co-authored-by: Lauris BH <lauris@nix.lv>
This commit is contained in:
parent
91f2afdb54
commit
12a1f914f4
656 changed files with 52967 additions and 25229 deletions
128
vendor/github.com/prometheus/procfs/mountinfo.go
generated
vendored
128
vendor/github.com/prometheus/procfs/mountinfo.go
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@ -15,19 +15,13 @@ package procfs
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import (
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"bufio"
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"bytes"
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"fmt"
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"io"
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"os"
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"strconv"
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"strings"
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)
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var validOptionalFields = map[string]bool{
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"shared": true,
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"master": true,
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"propagate_from": true,
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"unbindable": true,
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}
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"github.com/prometheus/procfs/internal/util"
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)
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// A MountInfo is a type that describes the details, options
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// for each mount, parsed from /proc/self/mountinfo.
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@ -35,10 +29,10 @@ var validOptionalFields = map[string]bool{
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// is described in the following man page.
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// http://man7.org/linux/man-pages/man5/proc.5.html
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type MountInfo struct {
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// Unique Id for the mount
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MountId int
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// The Id of the parent mount
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ParentId int
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// Unique ID for the mount
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MountID int
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// The ID of the parent mount
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ParentID int
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// The value of `st_dev` for the files on this FS
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MajorMinorVer string
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// The pathname of the directory in the FS that forms
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@ -58,18 +52,10 @@ type MountInfo struct {
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SuperOptions map[string]string
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}
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// Returns part of the mountinfo line, if it exists, else an empty string.
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func getStringSliceElement(parts []string, idx int, defaultValue string) string {
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if idx >= len(parts) {
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return defaultValue
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}
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return parts[idx]
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}
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// Reads each line of the mountinfo file, and returns a list of formatted MountInfo structs.
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func parseMountInfo(r io.Reader) ([]*MountInfo, error) {
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func parseMountInfo(info []byte) ([]*MountInfo, error) {
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mounts := []*MountInfo{}
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scanner := bufio.NewScanner(r)
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scanner := bufio.NewScanner(bytes.NewReader(info))
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for scanner.Scan() {
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mountString := scanner.Text()
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parsedMounts, err := parseMountInfoString(mountString)
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@ -89,58 +75,76 @@ func parseMountInfo(r io.Reader) ([]*MountInfo, error) {
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func parseMountInfoString(mountString string) (*MountInfo, error) {
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var err error
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// OptionalFields can be zero, hence these checks to ensure we do not populate the wrong values in the wrong spots
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separatorIndex := strings.Index(mountString, "-")
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if separatorIndex == -1 {
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return nil, fmt.Errorf("no separator found in mountinfo string: %s", mountString)
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mountInfo := strings.Split(mountString, " ")
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mountInfoLength := len(mountInfo)
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if mountInfoLength < 10 {
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return nil, fmt.Errorf("couldn't find enough fields in mount string: %s", mountString)
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}
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beforeFields := strings.Fields(mountString[:separatorIndex])
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afterFields := strings.Fields(mountString[separatorIndex+1:])
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if (len(beforeFields) + len(afterFields)) < 7 {
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return nil, fmt.Errorf("too few fields")
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if mountInfo[mountInfoLength-4] != "-" {
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return nil, fmt.Errorf("couldn't find separator in expected field: %s", mountInfo[mountInfoLength-4])
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}
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mount := &MountInfo{
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MajorMinorVer: getStringSliceElement(beforeFields, 2, ""),
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Root: getStringSliceElement(beforeFields, 3, ""),
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MountPoint: getStringSliceElement(beforeFields, 4, ""),
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Options: mountOptionsParser(getStringSliceElement(beforeFields, 5, "")),
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MajorMinorVer: mountInfo[2],
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Root: mountInfo[3],
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MountPoint: mountInfo[4],
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Options: mountOptionsParser(mountInfo[5]),
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OptionalFields: nil,
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FSType: getStringSliceElement(afterFields, 0, ""),
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Source: getStringSliceElement(afterFields, 1, ""),
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SuperOptions: mountOptionsParser(getStringSliceElement(afterFields, 2, "")),
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FSType: mountInfo[mountInfoLength-3],
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Source: mountInfo[mountInfoLength-2],
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SuperOptions: mountOptionsParser(mountInfo[mountInfoLength-1]),
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}
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mount.MountId, err = strconv.Atoi(getStringSliceElement(beforeFields, 0, ""))
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mount.MountID, err = strconv.Atoi(mountInfo[0])
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if err != nil {
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return nil, fmt.Errorf("failed to parse mount ID")
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}
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mount.ParentId, err = strconv.Atoi(getStringSliceElement(beforeFields, 1, ""))
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mount.ParentID, err = strconv.Atoi(mountInfo[1])
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if err != nil {
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return nil, fmt.Errorf("failed to parse parent ID")
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}
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// Has optional fields, which is a space separated list of values.
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// Example: shared:2 master:7
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if len(beforeFields) > 6 {
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mount.OptionalFields = make(map[string]string)
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optionalFields := beforeFields[6:]
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for _, field := range optionalFields {
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optionSplit := strings.Split(field, ":")
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target, value := optionSplit[0], ""
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if len(optionSplit) == 2 {
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value = optionSplit[1]
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}
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// Checks if the 'keys' in the optional fields in the mountinfo line are acceptable.
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// Allowed 'keys' are shared, master, propagate_from, unbindable.
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if _, ok := validOptionalFields[target]; ok {
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mount.OptionalFields[target] = value
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}
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if mountInfo[6] != "" {
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mount.OptionalFields, err = mountOptionsParseOptionalFields(mountInfo[6 : mountInfoLength-4])
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if err != nil {
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return nil, err
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}
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}
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return mount, nil
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}
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// Parses the mount options, superblock options.
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// mountOptionsIsValidField checks a string against a valid list of optional fields keys.
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func mountOptionsIsValidField(s string) bool {
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switch s {
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case
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"shared",
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"master",
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"propagate_from",
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"unbindable":
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return true
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}
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return false
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}
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// mountOptionsParseOptionalFields parses a list of optional fields strings into a double map of strings.
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func mountOptionsParseOptionalFields(o []string) (map[string]string, error) {
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optionalFields := make(map[string]string)
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for _, field := range o {
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optionSplit := strings.SplitN(field, ":", 2)
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value := ""
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if len(optionSplit) == 2 {
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value = optionSplit[1]
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}
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if mountOptionsIsValidField(optionSplit[0]) {
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optionalFields[optionSplit[0]] = value
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}
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}
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return optionalFields, nil
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}
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// mountOptionsParser parses the mount options, superblock options.
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func mountOptionsParser(mountOptions string) map[string]string {
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opts := make(map[string]string)
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options := strings.Split(mountOptions, ",")
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@ -157,22 +161,20 @@ func mountOptionsParser(mountOptions string) map[string]string {
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return opts
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}
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// Retrieves mountinfo information from `/proc/self/mountinfo`.
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// GetMounts retrieves mountinfo information from `/proc/self/mountinfo`.
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func GetMounts() ([]*MountInfo, error) {
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f, err := os.Open("/proc/self/mountinfo")
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data, err := util.ReadFileNoStat("/proc/self/mountinfo")
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if err != nil {
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return nil, err
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}
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defer f.Close()
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return parseMountInfo(f)
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return parseMountInfo(data)
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}
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// Retrieves mountinfo information from a processes' `/proc/<pid>/mountinfo`.
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// GetProcMounts retrieves mountinfo information from a processes' `/proc/<pid>/mountinfo`.
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func GetProcMounts(pid int) ([]*MountInfo, error) {
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f, err := os.Open(fmt.Sprintf("/proc/%d/mountinfo", pid))
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data, err := util.ReadFileNoStat(fmt.Sprintf("/proc/%d/mountinfo", pid))
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if err != nil {
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return nil, err
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}
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defer f.Close()
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return parseMountInfo(f)
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return parseMountInfo(data)
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}
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