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>
Before this change, a warning would be printed if the `~/.docker/config.json`
file was empty:
mkdir -p ~/.docker && touch ~/.docker/config.json
docker pull busybox
WARNING: Error loading config file: /root/.docker/config.json: EOF
Using default tag: latest
....
Given that we also accept an empty "JSON" file (`{}`), it should be
okay to ignore an empty file, as it's effectively a configuration file
with no custom options set.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
There's no need to perform an `os.Stat()` first, because
`os.Open()` also returns the same errors if the file does
not exist, or couldn't be opened for other reasons.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
The trust tests were not resetting the environment after they
ran, which could result in tests following those tests to fail.
While at it, I also updated some other tests to use gotest.tools
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
```
cli/config/config_test.go:590:11: Using the variable on range scope `tc` in function literal (scopelint)
SetDir(tc.dir)
^
cli/config/config_test.go:591:19: Using the variable on range scope `tc` in function literal (scopelint)
f, err := Path(tc.path...)
^
cli/config/config_test.go:592:23: Using the variable on range scope `tc` in function literal (scopelint)
assert.Equal(t, f, tc.expected)
^
```
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
After switching to Go 1.12, the format-string causes an error;
```
=== Errors
cli/config/config_test.go:154:3: Fatalf format %q has arg config of wrong type *github.com/docker/cli/cli/config/configfile.ConfigFile
cli/config/config_test.go:217:3: Fatalf format %q has arg config of wrong type *github.com/docker/cli/cli/config/configfile.ConfigFile
cli/config/config_test.go:253:3: Fatalf format %q has arg config of wrong type *github.com/docker/cli/cli/config/configfile.ConfigFile
cli/config/config_test.go:288:3: Fatalf format %q has arg config of wrong type *github.com/docker/cli/cli/config/configfile.ConfigFile
cli/config/config_test.go:435:3: Fatalf format %q has arg config of wrong type *github.com/docker/cli/cli/config/configfile.ConfigFile
cli/config/config_test.go:448:3: Fatalf format %q has arg config of wrong type *github.com/docker/cli/cli/config/configfile.ConfigFile
DONE 1115 tests, 2 skipped, 6 errors in 215.984s
make: *** [Makefile:22: test-coverage] Error 2
Exited with code 2
```
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Sebastiaan van Stijn
Silvin Lubecki
Tibor Vass
Tibor Vass
Nick Adcock
Ian Campbell
Vincent Demeester
Daniel Nephin
Daniel Nephin