sciamp · April 26, 2017 06:51 · Feb 18, 2016 · Jun 25, 2013
diff --git a/pre-commit b/pre-commit
@@ -3,7 +3,7 @@ hits = []
 
 checks = {
             #'_spec\.rb$' => ['focus:[:space:]*true'],
-            '\.rb$' => ['binding\.pry', 'debugger']
+            '\.(rb|erb)$' => ['binding\.pry', 'debugger']
          }
 
 # Find the names of all the filenames that have been (A)dded (C)opied or (M)odified

diff --git a/pre-commit b/pre-commit
@@ -0,0 +1,34 @@
+#!/usr/bin/env ruby
+hits = []
+
+checks = {
+            #'_spec\.rb$' => ['focus:[:space:]*true'],
+            '\.rb$' => ['binding\.pry', 'debugger']
+         }
+
+# Find the names of all the filenames that have been (A)dded (C)opied or (M)odified
+filenames = `git diff --cached --name-only --diff-filter=ACM`.split("\n")
+
+filenames.each do |filename|
+  # Perform special checks for _spec filenames (rspec tests)
+  checks.each do |filename_pattern, patterns|
+    if filename.match filename_pattern
+      patterns.each do |contents_pattern|
+        results = `git diff --cached  #{filename} | grep "^\+[^+]" | grep "#{contents_pattern}"`.split("\n").map { |r| r.sub(/^\+[\s\t]*/, '') }
+        if $? == 0
+          # Add the relevant change with line number to the hits array
+          results.each{ |r|
+            hits.push "#{filename}:" + `grep -n '#{r}' #{filename}`.sub(/:\s+/, ' ').chomp
+          }
+        end
+      end
+    end
+  end
+end
+
+if hits.any?
+  puts "\e[33m>>> Please remove the following problems from these files before committing\e[0m"
+  puts hits.join("\n")
+end
+
+exit 1 if hits.any?
No results found