Implement env:rm command

lib/actions/environment-variables.coffee

@@ -1,5 +1,6 @@
 _ = require('lodash')
 table = require('../table/table')
+patterns = require('../patterns/patterns')
 log = require('../log/log')
 environemtVariablesModel = require('../models/environment-variables')
 authHooks = require('../hooks/auth')
@@ -23,3 +24,11 @@ exports.list = authHooks.failIfNotLoggedIn (program) ->
 		log.out(table.horizontal(environmentVariables))
 	.catch (error) ->
 		throw error
+
+exports.remove = authHooks.failIfNotLoggedIn (id, program) ->
+	patterns.remove 'environment variable', program.parent.yes, (callback) ->
+		environemtVariablesModel.remove(id).then ->
+			return callback()
+		.catch(callback)
+	, (error) ->
+		throw error if error?

lib/app.coffee

@@ -122,6 +122,11 @@ program
 	.description('List all environment variables')
 	.action(env.list)
 
+program
+	.command('env:rm <id>')
+	.description('Remove environment variable')
+	.action(env.remove)
+
 data.prefix.set config.dataPrefix, (error) ->
 	throw error if error?
 	program.parse(process.argv)

lib/models/environment-variables.coffee

@@ -13,3 +13,8 @@ exports.getAll = (applicationId) ->
 		if not environmentVariables?
 			return Promise.reject(new Error('Not found'))
 		return environmentVariables
+
+exports.remove = (id) ->
+	return canvas.delete
+		resource: 'environment_variable'
+		id: id