The additionalHelp message is printed at the end of the --help output;
To get more help with docker, check out our guides at https://docs.docker.com/go/guides/
PS>
As this message may contain an URL, users may copy/paste the URL to open it
in their browser, but can easily end up copying their prompt (as there's
no whitespace after it), and as a result end up on a broken URL, for example:
https://docs.docker.com/go/guides/PS
This patch adds an extra newline at the end to provide some whitespace
around the message, making it less error-prone to copy the URL;
To get more help with docker, check out our guides at https://docs.docker.com/go/guides/
PS>
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This prevents the escape-characters being included when piping the
output, e.g. `docker --help > output.txt`, or `docker --help | something`.
These control-characters could cause issues if users copy/pasted the URL
from the output, resulting in them becoming part of the URL they tried
to visit, which would fail, e.g. when copying the output from:
To get more help with docker, check out our guides at https://docs.docker.com/go/guides/
Users ended up on URLs like;
https://docs.docker.com/go/guides/ESChttps://docs.docker.com/go/guides/%1B[0m
Before this patch, control characters ("bold") would be printed, even if
no TTY was attached;
docker --help > output.txt
cat output.txt | grep 'For more help' | od -c
0000000 033 [ 1 m F o r m o r e h e l
0000020 p o n h o w t o u s e
0000040 D o c k e r , h e a d t o
0000060 h t t p s : / / d o c s . d o c
0000100 k e r . c o m / g o / g u i d e
0000120 s / 033 [ 0 m \n
0000127
docker --help | grep 'For more help' | od -c
0000000 033 [ 1 m F o r m o r e h e l
0000020 p o n h o w t o u s e
0000040 D o c k e r , h e a d t o
0000060 h t t p s : / / d o c s . d o c
0000100 k e r . c o m / g o / g u i d e
0000120 s / 033 [ 0 m \n
0000127
With this patch, no control characters are included:
docker --help > output.txt
cat output.txt | grep 'For more help' | od -c
0000000 F o r m o r e h e l p o n
0000020 h o w t o u s e D o c k
0000040 e r , h e a d t o h t t p
0000060 s : / / d o c s . d o c k e r .
0000100 c o m / g o / g u i d e s / \n
0000117
docker --help | grep 'For more help' | od -c
0000000 F o r m o r e h e l p o n
0000020 h o w t o u s e D o c k
0000040 e r , h e a d t o h t t p
0000060 s : / / d o c s . d o c k e r .
0000100 c o m / g o / g u i d e s / \n
0000117
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
The DockerCLI interface was repeating the Streams interface. Embed
the interface to make it more transparent that they're the same.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Both the DockerCLI and Cobra Commands provide accessors for Input, Output,
and Error streams (usually STDIN, STDOUT, STDERR). While we were already
passing DockerCLI's Output to Cobra, we were not doing so for the other
streams (and were passing none for plugin commands), potentially resulting
in DockerCLI output/input to mean something else than a Cobra Command's
intput/output/error.
This patch sets them to the same streams when constructing the Cobra
command.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Current versions of the docs generator take this into account, but on
the 20.10 branch, the trailing whitespace can make the YAML generator
switch to use "compact" formatting, which is hard to read, and hard
to review diffs when updating.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Synchronize append on the `removed` slice with mutex because
containerRemoveFunc is called in parallel for each removed container by
`container rm` cli command.
Also reduced the shared access area by separating the scopes of test
cases.
Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>
