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Update on import paths and dep transitive import FAQ

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Update usage and import paths with and without package management.
Document the dep transitive dependency issue and how to get around it.
Couple more minor edits.
This commit is contained in:
Vytautas Šaltenis 2017-10-07 12:41:58 +03:00
parent 8ad7e40db0
commit 8249792ba8
1 changed files with 32 additions and 10 deletions
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README.md
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@ -18,22 +18,27 @@ It started as a translation from C of [Sundown][3].
Installation
------------
Blackfriday is compatible with any modern Go release. With Go 1.7 and git
installed:
Blackfriday is compatible with any modern Go release. With Go and git installed:
go get -u gopkg.in/russross/blackfriday.v2
will download, compile, and install the package into your `$GOPATH`
directory hierarchy.
will download, compile, and install the package into your `$GOPATH` directory
hierarchy.
Versions
--------
Currently maintained and recommended version of Blackfriday is `v2`. It's being
developed on its own branch: https://github.com/russross/blackfriday/v2. You
should install and import it via [gopkg.in][6] at
`gopkg.in/russross/blackfriday.v2`.
developed on its own branch: https://github.com/russross/blackfriday/v2 and the
documentation is available at
https://godoc.org/gopkg.in/russross/blackfriday.v2.
It is `go get`-able via via [gopkg.in][6] at `gopkg.in/russross/blackfriday.v2`,
but we highly recommend using package management tool like [dep][7] or
[Glide][8] and make use of semantic versioning. With package management you
should import `github.com/russross/blackfriday` and specify that you're using
version 2.0.0.
Version 2 offers a number of improvements over v1:
@ -57,6 +62,21 @@ If you are still interested in the legacy `v1`, you can import it from
`github.com/russross/blackfriday`. Documentation for the legacy v1 can be found
here: https://godoc.org/github.com/russross/blackfriday
### Known issue with `dep`
There is a known problem with using Blackfriday v1 _transitively_ and `dep`.
Currently `dep` prioritizes semver versions over anything else, and picks the
latest one, plus it does not apply a `[[constraint]]` specifier to transitively
pulled in packages. So if you're using something that uses Blackfriday v1, but
that something does not use `dep` yet, you will get Blackfriday v2 pulled in and
your first dependency will fail to build.
There are couple of fixes for it, documented here:
https://github.com/golang/dep/blob/master/docs/FAQ.md#how-do-i-constrain-a-transitive-dependencys-version
Meanwhile, `dep` team is working on a more general solution to the constraints
on transitive dependencies problem: https://github.com/golang/dep/issues/1124.
Usage
-----
@ -312,14 +332,14 @@ are a few of note:
renders output as LaTeX.
Todo
TODO
----
* More unit testing
* Improve unicode support. It does not understand all unicode
* Improve Unicode support. It does not understand all Unicode
rules (about what constitutes a letter, a punctuation symbol,
etc.), so it may fail to detect word boundaries correctly in
some instances. It is safe on all utf-8 input.
some instances. It is safe on all UTF-8 input.
License
@ -334,6 +354,8 @@ License
[4]: https://godoc.org/gopkg.in/russross/blackfriday.v2#Parse "Parse func"
[5]: https://github.com/microcosm-cc/bluemonday "Bluemonday"
[6]: https://labix.org/gopkg.in "gopkg.in"
[7]: https://github.com/golang/dep/ "dep"
[8]: https://github.com/Masterminds/glide "Glide"
[BuildSVG]: https://travis-ci.org/russross/blackfriday.svg?branch=master
[BuildURL]: https://travis-ci.org/russross/blackfriday