summaryrefslogtreecommitdiffstats
path: root/golib/filepath.go
diff options
context:
space:
mode:
authorSebastien Douheret <sebastien.douheret@iot.bzh>2019-04-04 23:45:56 +0200
committerSebastien Douheret <sebastien.douheret@iot.bzh>2019-04-04 23:45:56 +0200
commit89ea6ebd3671e6ebbf6101525a5416427806f318 (patch)
tree5db52146365a9c2c439b77485f938cc8c2e3a727 /golib/filepath.go
parentee147062c3bebed83e34bf5ce71019c95f62b96f (diff)
Fixed package tree and go mod filev0.5.0
Change-Id: I1047094d5b80d0622e2c2ce674979f18207b8c0f Signed-off-by: Sebastien Douheret <sebastien.douheret@iot.bzh>
Diffstat (limited to 'golib/filepath.go')
-rw-r--r--golib/filepath.go129
1 files changed, 0 insertions, 129 deletions
diff --git a/golib/filepath.go b/golib/filepath.go
deleted file mode 100644
index 1817f58..0000000
--- a/golib/filepath.go
+++ /dev/null
@@ -1,129 +0,0 @@
-package common
-
-import (
- "fmt"
- "os"
- "os/user"
- "path"
- "path/filepath"
- "regexp"
- "runtime"
- "strings"
-)
-
-// Exists returns whether the given file or directory exists or not
-func Exists(path string) bool {
- _, err := os.Stat(path)
- if err == nil {
- return true
- }
- if os.IsNotExist(err) {
- return false
- }
- return true
-}
-
-// IsDir returns true when the given path is a directory
-func IsDir(path string) bool {
- fi, err := os.Stat(path)
- if err != nil {
- return false
- }
-
- return fi.Mode().IsDir()
-}
-
-// ResolveEnvVar Resolved environment variable regarding the syntax ${MYVAR}
-// or $MYVAR following by a slash or a backslash
-func ResolveEnvVar(s string) (string, error) {
- if s == "" {
- return s, nil
- }
-
- // Resolved tilde : ~/
- if len(s) > 2 && s[:2] == "~/" {
- if usr, err := user.Current(); err == nil {
- s = filepath.Join(usr.HomeDir, s[2:])
- }
- }
-
- // Resolved ${MYVAR}
- re := regexp.MustCompile("\\${([^}]+)}")
- vars := re.FindAllStringSubmatch(s, -1)
- res := s
- for _, v := range vars {
- val := ""
- if v[1] == "EXEPATH" {
- // Specific case to resolve $EXEPATH or ${EXEPATH} used as current executable path
- val = GetExePath()
-
- } else {
- // Get env var value
- val = os.Getenv(v[1])
- if val == "" {
- // Specific case to resolved $HOME or ${HOME} on Windows host
- if runtime.GOOS == "windows" && v[1] == "HOME" {
- if usr, err := user.Current(); err == nil {
- val = usr.HomeDir
- }
- } else {
- return res, fmt.Errorf("ERROR: %s env variable not defined", v[1])
- }
- }
- }
-
- rer := regexp.MustCompile("\\${" + v[1] + "}")
- res = rer.ReplaceAllString(res, val)
- }
-
- // Resolved $MYVAR following by a slash (or a backslash for Windows)
- // TODO
- //re := regexp.MustCompile("\\$([^\\/])+/")
-
- return path.Clean(res), nil
-}
-
-// PathNormalize normalizes a linux or windows like path
-func PathNormalize(p string) string {
- sep := string(filepath.Separator)
- if sep != "/" {
- return p
- }
- // Replace drive like C: by C/
- res := p
- if p[1:2] == ":" {
- res = p[0:1] + sep + p[2:]
- }
- res = strings.Replace(res, "\\", "/", -1)
- return filepath.Clean(res)
-}
-
-// GetUserHome returns the user's home directory or empty string on error
-func GetUserHome() string {
- if usr, err := user.Current(); err == nil && usr != nil && usr.HomeDir != "" {
- return usr.HomeDir
- }
- for _, p := range []string{"HOME", "HomePath"} {
- if h := os.Getenv(p); h != "" {
- return h
- }
- }
-
- return ""
-}
-
-// GetExePath returns the full path of the current executable
-func GetExePath() string {
- exePath := os.Args[0] // set fallback value
- ee, _ := os.Executable()
- exeAbsPath, err := filepath.Abs(ee)
- if err == nil {
- exePath, err = filepath.EvalSymlinks(exeAbsPath)
- if err == nil {
- exePath = filepath.Dir(ee)
- } else {
- exePath = filepath.Dir(exeAbsPath)
- }
- }
- return exePath
-}