Installation

First install graphviz for your OS, then

go get github.com/delabroj/graphpkg

Usage

To graph the dependencies of the net package:

graphpkg net

Filtering

graphpkg can also filter out packages that do not match the supplied regex, this may improve the readability of some graphs by excluding the std library:

graphpkg -match 'launchpad.net' launchpad.net/goamz/s3

Filtering Parents

Filter out packages whose parents do not match the supplied regex:

graphpkg -parent-match 'goamz/s3' launchpad.net/goamz/s3

Vendor

Look for packages in the indicated vendor folder first:

graphpkg -vendor 'launchpad.net/goamz/s3/vendor' launchpad.net/goamz/s3

Prefix-trim

Remove the given string from the beginning of package names before graphing.

graphpkg -prefix-trim 'launchpad.net/goamz' launchpad.net/goamz/s3

Output

By default graphpkg shows the graph in your browser, you can choose to print the resulting svg to standard output:

graphpkg -stdout -match 'github.com' github.com/davecheney/graphpkg

Examples

Show all the direct, third-party dependencies of goamz/s3 and its imported subpackages

graphpkg -match '\.' -parent-match 'goamz/s3' github.com/goamz/s3