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48 lines
1.0 KiB
Go
48 lines
1.0 KiB
Go
package xdg
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import (
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"os"
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"os/user"
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"path"
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"strings"
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"git.sr.ht/~rjarry/aerc/lib/log"
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)
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// assign to a local var to allow mocking in unit tests
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var currentUser = user.Current
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// Get the current user home directory (first from the $HOME env var and
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// fallback on calling getpwuid_r() from libc if $HOME is unset).
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func HomeDir() string {
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home, err := os.UserHomeDir()
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if err != nil {
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u, e := currentUser()
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if e == nil {
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home = u.HomeDir
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} else {
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log.Errorf("HomeDir: %s (while handling %s)", e, err)
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}
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}
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return home
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}
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// Replace ~ with the current user's home dir
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func ExpandHome(fragments ...string) string {
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home := HomeDir()
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res := path.Join(fragments...)
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if strings.HasPrefix(res, "~/") || res == "~" {
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res = home + strings.TrimPrefix(res, "~")
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}
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return res
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}
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// Replace $HOME with ~ (inverse function of ExpandHome)
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func TildeHome(path string) string {
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home := HomeDir()
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if strings.HasPrefix(path, home+"/") || path == home {
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path = "~" + strings.TrimPrefix(path, home)
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}
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return path
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}
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