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Updated contrib instructions to reflect go 1.6 requirements

This commit is contained in:
Chris Bednarski 2016-04-12 15:09:46 -07:00
parent a5b3e7884e
commit ac69ca8f68
1 changed files with 9 additions and 12 deletions
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21
CONTRIBUTING.md
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@ -51,19 +51,16 @@ it raises the chances we can quickly merge or address your contributions.
## Setting up Go to work on Packer
If you have never worked with Go before, you will have to complete the
following steps in order to be able to compile and test Packer.
following steps in order to be able to compile and test Packer. These instructions target POSIX-like environments (Mac OS X, Linux, Cygwin, etc.) so you may need to adjust them for Windows or other shells.
1. [Download](https://golang.org/dl) and install Go. Go 1.6 or higher is
preferred. Packer _may_ work with versions of Go older than 1.5 but these
are not supported.
1. [Download](https://golang.org/dl) and install Go. The instructions below
are for go 1.6. Earlier versions of Go are no longer supported.
2. Set and export the `GOPATH` environment variable and update your `PATH`. For
example, you can add to your `.bash_profile`. If you're using Go 1.5 also
set `GO15VENDOREXPERIMENT`. This is not necessary for Go 1.6 and up.
example, you can add to your `.bash_profile`.
```
export GOPATH=$HOME/Documents/golang
export GO15VENDOREXPERIMENT=1
export GOPATH=$HOME/go
export PATH=$PATH:$GOPATH/bin
```
@ -72,16 +69,16 @@ following steps in order to be able to compile and test Packer.
`$GOPATH/src/github.com/mitchellh/packer`.
4. When working on packer `cd $GOPATH/src/github.com/mitchellh/packer` so you
can run make and easily access other files.
can run `make` and easily access other files.
5. Make your changes to the Packer source. You can run `make` in
`$GOPATH/src/github.com/mitchellh/packer` to run tests and build the packer
binary. Any compilation errors will be shown when the binaries are
rebuilding.
rebuilding. If you don't have `make` you can simply run `go build -o bin/packer .` from the project root.
6. After running `make` successfully, use
6. After running building packer successfully, use
`$GOPATH/src/github.com/mitchellh/packer/bin/packer` to build a machine and
verify your changes work.
verify your changes work. For instance: `$GOPATH/src/github.com/mitchellh/packer/bin/packer build template.json`.
7. If everything works well and the tests pass, run `go fmt` on your code
before submitting a pull-request.