Merge pull request #21 from iampeterbanjo/feature/update-readme

Feature/update readme

Author: mre

README.md

@@ -7,18 +7,16 @@
 
 ![usage](usage.gif)
 
-A commandline interface for Jenkins. 
+A commandline interface for Jenkins.
 
-### Features
+## Features
 
 * Queries the current status of jobs in parallel.
 * Can trigger Jenkins builds from the commandline.
 * Visualizes the status of jobs and nodes.
 * Can diff the output two runs.
 
-###
-
-```
+```Shell
 usage: riffraff [<flags>] <command> [<args> ...]
 
 Flags:
@@ -52,46 +50,52 @@ Commands:
     Open a job in the browser
 ```
 
-### Installation
+## Installation
 
-```
+```Shell
 go get github.com/mre/riffraff
 ```
 
 ...or download a static binary from the [releases page](https://github.com/mre/riffraff/releases).
 
-### Getting started
+## Getting started
 
 You need to set the following environment variables:
 
-```
+```Shell
 export JENKINS_URL="http://example.com/"
 export JENKINS_USER="username"
 export JENKINS_PW="password"
 ```
 
 You might want to put those into your `~/.bashrc`, `~/.zshrc` or equivalent.
 
+## Usage
 
-### Usage
-
-```
+```Shell
 riffraff status jenkins-job-name
 ```
 
 This will print the current status of all Jenkins jobs matching the given pattern (`jenkins-job-name` in this case).
 You can use any regular expression for that, e.g.:
 
-```
+```Shell
 riffraff status "^application-.*-unittests$"
 ```
 
-You can get the full output of each last job matching the pattern with 
+You can get the full output of each last job matching the pattern with
 
-```
+```Shell
 riffraff status -v "^application-.*-unittests$"
 ```
 
-### OBTW
+## Development
+
+* Install golang version 1.11 or later for [go modules](https://github.com/golang/go/wiki/Modules) support
+* Clone this repository to a directory in your `$GOPATH/src` tree (recommended) or use`go get -u github.com/mre/riffraff.git` (uses https not SSH)
+* In the source folder run `go run main.go` to install modules and run `riffraff`
+* If you don't have a Jenkins server you can run it by using its [`.war` file](https://jenkins.io/doc/pipeline/tour/getting-started/) (recommended) or installing its [`.deb` file](https://jenkins.io/doc/book/installing)
+
+## OBTW
 
 The tool is named after the [butler from the Rocky Horror Picture Show](https://en.wikipedia.org/wiki/The_Rocky_Horror_Picture_Show:_Let%27s_Do_the_Time_Warp_Again), and not the rapper with the same name ;-).