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cli/config: add EnvOverrideConfigDir const

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Add a const for the DOCKER_CONFIG to allow documenting its purpose
in code.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn
2023-06-28 13:19:39 +02:00
parent a26e6011f0
commit 0b3cadb056
3 changed files with 18 additions and 14 deletions
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12
cli/config/config.go
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@ -16,7 +16,15 @@ import (
)
const (
// ConfigFileName is the name of config file
// EnvOverrideConfigDir is the name of the environment variable that can be
// used to override the location of the client configuration files (~/.docker).
//
// It takes priority over the default, but can be overridden by the "--config"
// command line option.
EnvOverrideConfigDir = "DOCKER_CONFIG"
// ConfigFileName is the name of the client configuration file inside the
// config-directory.
ConfigFileName = "config.json"
configFileDir = ".docker"
contextsDir = "contexts"
@ -30,7 +38,7 @@ var (
// Dir returns the directory the configuration file is stored in
func Dir() string {
initConfigDir.Do(func() {
configDir = os.Getenv("DOCKER_CONFIG")
configDir = os.Getenv(EnvOverrideConfigDir)
if configDir == "" {
configDir = filepath.Join(homedir.Get(), configFileDir)
}