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Sebastiaan van Stijn d513e46bfc
cli/config: prevent warning if HOME is not set 
commit c2626a8270 replaced the use of
github.com/docker/docker/pkg/homedir with Golang's os.UserHomeDir().

This change was partially reverted in 7a279af43d
to account for situations where `$HOME` is not set.

In  situations where no configuration file is present in `~/.config/`, the CLI
falls back to looking for the (deprecated) `~/.dockercfg` configuration file,
which was still using `os.UserHomeDir()`, which produces an error/warning if
`$HOME` is not set.

This patch introduces a helper function and a global variable to get the user's
home-directory. The global variable is used to prevent repeatedly looking up
the user's information (which, depending on the setup can be a costly operation).

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit c85a37dbb4)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
 		2021-02-04 14:38:27 +01:00
..
command Use golang.org/x/sys/execabs 2021-01-28 22:27:59 +00:00
compose Support ulimits in docker stack deploy 2020-09-10 14:59:02 +02:00
config cli/config: prevent warning if HOME is not set 2021-02-04 14:38:27 +01:00
connhelper Use golang.org/x/sys/execabs 2021-01-28 22:27:59 +00:00
context context: Ensure context name is valid on import 2021-01-28 22:27:59 +00:00
debug updated vendoring 2017-09-01 19:41:06 -04:00
flags bump gotest.tools v3.0.1 for compatibility with Go 1.14 2020-02-23 00:28:55 +01:00
manifest bump gotest.tools v3.0.1 for compatibility with Go 1.14 2020-02-23 00:28:55 +01:00
registry/client try http for docker manifest --insecure 2020-03-24 23:42:33 +08:00
streams update docker, replace github.com/docker/pkg/term, github.com/docker/pkg/mount 2020-04-22 17:16:13 +02:00
trust bump gotest.tools v3.0.1 for compatibility with Go 1.14 2020-02-23 00:28:55 +01:00
version Move versioning variables to a separate package. 2019-01-29 11:26:40 +00:00
winresources Add windows resources to binary. 2017-05-15 18:03:03 -04:00
cobra.go Help link: remove color, add "bold" style, and white-space 2020-12-14 14:28:29 +01:00
cobra_test.go bump gotest.tools v3.0.1 for compatibility with Go 1.14 2020-02-23 00:28:55 +01:00
error.go Import docker/docker/cli 2017-04-17 17:40:59 -04:00
required.go Disable unparam linter: cli/required.go:102:16: `pluralize` - `word` always receives `"argument"` (unparam) 2019-10-31 19:22:22 +01:00
required_test.go Replace deprecated Cobra command.SetOutput() with command.SetOut() 2020-05-07 14:25:59 +02:00