Cobra allows for aliases to be defined for a command, but only allows these
to be defined at the same level (for example, `docker image ls` as alias for
`docker image list`). Our CLI has some commands that are available both as a
top-level shorthand as well as `docker <object> <verb>` subcommands. For example,
`docker ps` is a shorthand for `docker container ps` / `docker container ls`.
This patch introduces a custom "aliases" annotation that can be used to print
all available aliases for a command. While this requires these aliases to be
defined manually, in practice the list of aliases rarely changes, so maintenance
should be minimal.
As a convention, we could consider the first command in this list to be the
canonical command, so that we can use this information to add redirects in
our documentation in future.
Before this patch:
docker images --help
Usage: docker images [OPTIONS] [REPOSITORY[:TAG]]
List images
Options:
-a, --all Show all images (default hides intermediate images)
...
With this patch:
docker images --help
Usage: docker images [OPTIONS] [REPOSITORY[:TAG]]
List images
Aliases:
docker image ls, docker image list, docker images
Options:
-a, --all Show all images (default hides intermediate images)
...
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
- do an early check if a custom format is specified either through the
command-line, or through the cli's configuration, before adjusting
the options (to add "size" if needed).
- also removes a redundant `options.Size = opts.size` line, as this value is
already copied at the start of buildContainerListOptions()
- Update NewContainerFormat to use "table" format as a default if no format
was given.
Co-authored-by: Sebastiaan van Stijn <github@gone.nl>
Signed-off-by: Phong Tran <tran.pho@northeastern.edu>
This adds a new annotation to commands that are known to be frequently
used, and allows setting a custom weight/order for these commands to
influence in what order they appear in the --help output.
I'm not entirely happy with the implementation (we could at least use
some helpers for this, and/or make it more generic to group commands
in output), but it could be a start.
For now, limiting this to only be used for the top-level --help, but
we can expand this to subcommands as well if we think it makes sense
to highlight "common" / "commonly used" commands.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
including all the directives and a link to the documentation.
Signed-off-by: Silvin Lubecki <silvin.lubecki@docker.com>
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Before this patch, using a template that used templating functions (such as
`lower` or `json`) caused the command to fail in the pre-processor step (in
`buildContainerListOptions`):
docker ps --format='{{upper .Names}}'
template: :1:8: executing "" at <.Names>: invalid value; expected string
This problem was due to the pre-processing using a different "context" type than
was used in the actual template, and custom functions to not be defined when
instantiating the Go template.
With this patch, using functions in templates works correctly:
docker ps --format='{{upper .Names}}'
MUSING_NEUMANN
ELOQUENT_MEITNER
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Since go 1.7, "context" is a standard package. Since go 1.9,
x/net/context merely provides some types aliased to those in
the standard context package.
The changes were performed by the following script:
for f in $(git ls-files \*.go | grep -v ^vendor/); do
sed -i 's|golang.org/x/net/context|context|' $f
goimports -w $f
for i in 1 2; do
awk '/^$/ {e=1; next;}
/\t"context"$/ {e=0;}
{if (e) {print ""; e=0}; print;}' < $f > $f.new && \
mv $f.new $f
goimports -w $f
done
done
[v2: do awk/goimports fixup twice]
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
and enable the new WarnUnmatchedDirective to warn if a nolint is unnecessary.
remove some unnecessary nolint
Signed-off-by: Daniel Nephin <dnephin@docker.com>
This package will be deprecated/removed from `docker/docker/pkg` and
is mainly used for the cli format options. Let's import it and
maintain here.
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
Sebastiaan van Stijn
Phong Tran
Nicolas De Loof
Silvin Lubecki
Dominik Braun
Kir Kolyshkin
Daniel Nephin
Vincent Demeester
Daniel Nephin