Merge pull request #28 from smartcitiesdata/pre_commit

Add pre commit hook script to check credo, format, and deps versions

.travis.yml

@@ -10,7 +10,7 @@ install:
 script:  
   - mix format --check-formatted
   - mix credo
-  - mix hex.outdated
+  - mix hex.outdated || true
   - mix test
 deploy:
   skip_cleanup: true

README.md

@@ -14,7 +14,7 @@ To add to your mix dependencies, add the following block to your mix.exs deps:
 ```elixir
 def deps do
   [
-    {:streaming_metrics, "~> 2.1.7"}
+    {:streaming_metrics, "~> 2.1.9"}
   ]
 end
 ```

config/dev.exs

@@ -1,4 +1,4 @@
 use Mix.Config
 
 config :husky,
-  pre_commit: "mix format --check-formatted && mix credo && mix hex.outdated"
+  pre_commit: "./scripts/git_pre_commit_hook.sh"

mix.exs

@@ -4,7 +4,7 @@ defmodule StreamingMetrics.MixProject do
   def project do
     [
       app: :streaming_metrics,
-      version: "2.1.8",
+      version: "2.1.9",
       elixir: "~> 1.8",
       start_permanent: Mix.env() == :prod,
       deps: deps(),

scripts/git_pre_commit_hook.sh

@@ -0,0 +1,38 @@
+#! /bin/bash
+RED='\033[0;31m'
+NC='\033[0m' # No Color
+exit_code=0
+
+#Check that version in README.md matches what is in mix.exs
+build_output=$(mix hex.build) 
+current_version=$(echo "$build_output" | grep 'Version:' | awk '{print $2}')
+app_name=$(echo "$build_output" | grep 'Building' | awk '{print $2}')
+grep -q "{:$app_name, \"~> $current_version" README.md
+if [ $? == 1 ]; then 
+    echo -e "${RED}Update the version number in README.md to $current_version\r\n" 
+    exit_code=1
+fi
+
+mix format
+
+echo -e "${NC}mix credo - compiling code there may be a delay"
+compile_output=$(mix compile 2>/dev/null) ##Supress compile output and warnings
+
+credo_output=$(mix credo --format=oneline) 
+if [ $? != 0 ]; then 
+    echo -e "${RED}$credo_output${NC}\r\n" 
+    exit_code=1
+fi
+
+outdated_output=$(mix hex.outdated) 
+if [ $? == 1 ]; then 
+    echo -e "${NC}Outdated dependencies"
+    echo -e "$outdated_output" | grep "Dependency" 
+    echo -en "${RED}"
+    echo -e "$outdated_output" | grep " No"
+    echo -e "$outdated_output" | grep " Yes"
+    echo -e "${NC}"
+    exit_code=1
+fi
+
+exit $exit_code