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--help and help are successful commands so output should not go to error.
QE teams have requested this change, also users doing docker help | less
or docker run --help | less would expect this to work.
Usage statement should only be printed when the user asks for it.
Errors should print error message and then suggest the docker COMMAND --help
command to see usage information.
The current behaviour causes the user to have to search for the error message
and sometimes scrolls right off the screen. For example a error on a
"docker run" command is very difficult to diagnose.
Finally erros should always exit with a non 0 exit code, if the user
makes a CLI error.
Docker-DCO-1.1-Signed-off-by: Dan Walsh <dwalsh@redhat.com> (github: rhatdan)
45 lines
1.2 KiB
Markdown
45 lines
1.2 KiB
Markdown
% DOCKER(1) Docker User Manuals
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% Docker Community
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% JUNE 2014
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# NAME
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docker-import - Create an empty filesystem image and import the contents of the tarball (.tar, .tar.gz, .tgz, .bzip, .tar.xz, .txz) into it, then optionally tag it.
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# SYNOPSIS
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**docker import**
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[**--help**]
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URL|- [REPOSITORY[:TAG]]
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# DESCRIPTION
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Create a new filesystem image from the contents of a tarball (`.tar`,
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`.tar.gz`, `.tgz`, `.bzip`, `.tar.xz`, `.txz`) into it, then optionally tag it.
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# OPTIONS
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**--help**
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Print usage statement
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# EXAMPLES
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## Import from a remote location
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# docker import http://example.com/exampleimage.tgz example/imagerepo
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## Import from a local file
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Import to docker via pipe and stdin:
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# cat exampleimage.tgz | docker import - example/imagelocal
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## Import from a local file and tag
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Import to docker via pipe and stdin:
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# cat exampleimageV2.tgz | docker import - example/imagelocal:V-2.0
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## Import from a local directory
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# tar -c . | docker import - exampleimagedir
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# HISTORY
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April 2014, Originally compiled by William Henry (whenry at redhat dot com)
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based on docker.com source material and internal work.
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June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
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