ppg-validate-staged-files

   1 #!/bin/bash
   2 ##
   3 ## Originally from http://projects.puppetlabs.com/projects/1/wiki/Puppet_Version_Control
   4 ## with minor edits
   5 ##
   6 syntax_errors=0
   7 error_msg=$(mktemp /tmp/error_msg.XXXXXX)
   8
   9 if git rev-parse --quiet --verify HEAD > /dev/null
  10 then
  11     against=HEAD
  12 else
  13     # Initial commit: diff against an empty tree object
  14     against=4b825dc642cb6eb9a060e54bf8d69288fbee4904
  15 fi
  16
  17 # Get list of new/modified manifest and template files to check (in git index)
  18 for indexfile in $(git diff-index --diff-filter=AM --name-only --cached $against | egrep '\.(pp|erb)')
  19 do
  20     # Don't check empty files
  21     if [ $(git cat-file -s :0:$indexfile) -gt 0 ]
  22     then
  23         case $indexfile in
  24             *.pp )
  25                 # Check puppet manifest syntax
  26                 # Puppet 2.7.20 or newer
  27                 git cat-file blob :0:$indexfile | puppet parser validate > $error_msg ;;
  28             *.erb )
  29                 # Check ERB template syntax
  30                 # -P : ignore lines which start with "%"
  31                 git cat-file blob :0:$indexfile | erb -P -x -T - | ruby -c 2> $error_msg > /dev/null ;;
  32         esac
  33         if [ "$?" -ne 0 ]
  34         then
  35             echo -n "$indexfile: "
  36             cat $error_msg
  37             syntax_errors=`expr $syntax_errors + 1`
  38         fi
  39     fi
  40 done
  41
  42 rm -f $error_msg
  43
  44 if [ "$syntax_errors" -ne 0 ]
  45 then
  46     echo "Error: $syntax_errors syntax errors found, aborting commit."
  47     exit 1
  48 fi