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Author SHA1 Message Date
Yong Tang
8b165cad1a Ignore some functions in the Go template when header is rendered
This fix ignore some functions in the Go template when header is
redendered, so that `--format "{{truncate .ID 1}}"` will still
be able to redener the header correctly.

Additional test cases have been added to the unit test.

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
2017-02-10 19:34:50 -08:00
Yong Tang
ea61dac9e6 Allow --format to use different delim in table format
This fix is an attempt to address
https://github.com/docker/docker/pull/28213#issuecomment-273840405

Currently when specify table format with table `--format "table {{.ID}}..."`,
the delimiter in the header section of the table is always `"\t"`.
That is actually different from the content of the table as the delimiter
could be anything (or even contatenated with `.`, for example):
```
$ docker service ps web --format 'table {{.Name}}.{{.ID}}' --no-trunc

NAME                ID
web.1.inyhxhvjcijl0hdbu8lgrwwh7
 \_ web.1.p9m4kx2srjqmfms4igam0uqlb
```

This fix is an attampt to address the skewness of the table when delimiter
is not `"\t"`.

The basic idea is that, when header consists of `table` key, the header section
will be redendered the same way as content section. A map mapping each
placeholder name to the HEADER entry name is used for the context of the header.

Unit tests have been updated and added to cover the changes.

This fix is related to #28313.

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
2017-02-10 19:34:50 -08:00