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Ed Santiago c9c2f644da markdown-preprocess: cross-reference where opts are used
In each options/foo.md, keep a list of where the option is used.
This will be valuable to anyone making future edits, and to
those reviewing those edits.

This may be a controversial commit, because those crossref lists
are autogenerated as a side effect of the script that reads them.
It definitely violates POLA. And one day, some kind person will
reconcile (e.g.) --label, using it in more man pages, and maybe
forget to git-commit the rewritten file, and CI will fail.

I think this is a tough tradeoff, but worth doing. Without this,
it's much too easy for someone to change an option file in a way
that renders it inapplicable/misleading for some podman commands.

Signed-off-by: Ed Santiago <santiago@redhat.com>
2022-10-20 10:57:51 -06:00

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Markdown

####> This option file is used in:
####> podman create, run
####> If you edit this file, make sure your changes
####> are applicable to all of those.
#### **--entrypoint**=*"command"* | *'["command", "arg1", ...]'*
Overwrite the default ENTRYPOINT of the image.
This option allows you to overwrite the default entrypoint of the image.
The ENTRYPOINT of an image is similar to a COMMAND
because it specifies what executable to run when the container starts, but it is
(purposely) more difficult to override. The ENTRYPOINT gives a container its
default nature or behavior, so that when you set an ENTRYPOINT you can run the
container as if it were that binary, complete with default options, and you can
pass in more options via the COMMAND. But, sometimes an operator may want to run
something else inside the container, so you can override the default ENTRYPOINT
at runtime by using a **--entrypoint** and a string to specify the new
ENTRYPOINT.
You need to specify multi option commands in the form of a json string.