Add a pre-commit hook based on pre-receive check

pre-commit

@@ -0,0 +1,96 @@
+#!/bin/sh
+ 
+warned=0
+final_ret=0
+
+# Check for ruby binary
+which ruby >/dev/null 2>&1
+if [[ $? -ne 0 ]]; then
+    echo "Ruby not found" 1>&2
+    exit 1
+fi
+
+# Check for Puppet binary
+which puppet >/dev/null 2>&1
+if [[ $? -ne 0 ]]; then
+    echo "Puppet not found" 1>&2
+    exit 1
+fi
+
+# Check for puppet-lint
+which puppet-lint >/dev/null 2>&1
+if [[ $? -ne 0 ]]; then
+    echo "puppet-lint not found" 1>&2
+    exit 1
+fi
+
+# Check for erb
+which erb >/dev/null 2>&1
+if [[ $? -ne 0 ]]; then
+    echo "erb not found" 1>&2
+    exit 1
+fi
+
+styleguide_url='http://docs.puppetlabs.com/guides/style_guide.html'
+if [ -f ".puppetstyle.url" ]; then
+    styleguide_url=$(cat ".puppetstyle.url")
+fi
+
+if git-rev-parse --verify HEAD >/dev/null 2>&1; then
+    against=HEAD
+else
+    against=4b825dc642cb6eb9a060e54bf8d69288fbee4904
+fi
+ 
+for FILE in $(git diff-index --name-only $against) ; do
+
+    echo "${FILE}"
+
+    case "${FILE}" in
+        *.pp ) 
+            puppet parser validate "${FILE}"
+            rc=$?
+            if [[ $rc != 0 ]]; then
+                echo -e "\e[0;31m'puppet parser validate' failed on ${FILE} - push denied. Run tests locally and confirm they pass before pushing. \e[0m"
+                final_ret=1
+            fi
+            puppet-lint --fail-on-warnings --with-filename "${FILE}"
+            rc=$?
+            if [[ $rc != 0 ]]; then
+                if [[ $warned = 0 ]]; then
+                    echo -e "\e[0;33m" "Please follow the puppet module styleguide (${styleguide_url})." "\e[0m"
+                    echo -e "\e[0;33m" "The above ERROR/WARNING messages are informational only. The commit has not been blocked for this reason. In the future, these may cause your commit to be refused." "\e[0m"
+                    warned=1
+                fi
+                echo -e "\e[0;33m" "Style guide compliance errors in ${FILE}:" "\e[0m"
+            fi
+            ;;
+        *.erb )
+            cat "${FILE}" | erb -x -T - | ruby -c 2>&1 >/dev/null
+            rc=$?
+            if [[ $rc != 0 ]]; then
+                echo -e "\e[0;31m" "Ruby syntax checker failed on template ${FILE}:" "\e[0m"
+                final_ret=1
+            fi
+            ;;
+        *.yml|*.yaml)
+            # syntax YAML files, https://ttboj.wordpress.com/2013/08/25/finding-yaml-errors-in-puppet/
+            ruby -ryaml -e "YAML.parse(File.open('${FILE}'))"
+            if [[ $? -ne 0 ]]; then
+                echo -e "\e[0;31m" "YAML syntax error in ${FILE}" "\e[0m"
+                final_ret=1
+            fi
+        ;;
+        *.json)
+            ruby -rrubygems -e "require 'json'; JSON.parse(File.open('${FILE}').read)"
+            if [[ $? -ne 0 ]]; then
+                echo -e "\e[0;31m" "JSON syntax error in ${FILE}" "\e[0m"
+                final_ret=1
+            fi
+        ;;
+    esac
+
+
+done
+
+exit $final_ret