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pkg/homedir: clarify Get() docs wrt static linking

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This clarifies comments about static linking made in commit a8608b5b67.

1. There are two ways to create a static binary, one is to disable
cgo, the other is to set linker flags. When cgo is disabled,
there is no need to use osusergo build tag.

2. osusergo only needs to be set when linking against glibc.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
This commit is contained in:
Kir Kolyshkin 2019-10-24 16:39:24 -07:00
parent 80e338a18d
commit 7ef475fc16
1 changed files with 5 additions and 2 deletions
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7
pkg/homedir/homedir_unix.go
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@ -16,8 +16,11 @@ func Key() string {
// Get returns the home directory of the current user with the help of
// environment variables depending on the target operating system.
// Returned path should be used with "path/filepath" to form new paths.
// If compiling statically, ensure the osusergo build tag is used.
// If needing to do nss lookups, do not compile statically.
//
// If linking statically with cgo enabled against glibc, ensure the
// osusergo build tag is used.
//
// If needing to do nss lookups, do not disable cgo or set osusergo.
func Get() string {
home := os.Getenv(Key())
if home == "" {