templates/hooks--pre-commit.sample

   1 #!/bin/sh
   2 #
   3 # An example hook script to verify what is about to be committed.
   4 # Called by git-commit with no arguments.  The hook should
   5 # exit with non-zero status after issuing an appropriate message if
   6 # it wants to stop the commit.
   7 #
   8 # To enable this hook, rename this file to "pre-commit".
   9
  10 if git-rev-parse --verify HEAD >/dev/null 2>&1
  11 then
  12         against=HEAD
  13 else
  14         # Initial commit: diff against an empty tree object
  15         against=4b825dc642cb6eb9a060e54bf8d69288fbee4904
  16 fi
  17
  18 # If you want to allow non-ascii filenames set this variable to true.
  19 allownonascii=$(git config hooks.allownonascii)
  20
  21 # Cross platform projects tend to avoid non-ascii filenames; prevent
  22 # them from being added to the repository. We exploit the fact that the
  23 # printable range starts at the space character and ends with tilde.
  24 if [ "$allownonascii" != "true" ] &&
  25         # Note that the use of brackets around a tr range is ok here, (it's
  26         # even required, for portability to Solaris 10's /usr/bin/tr), since
  27         # the square bracket bytes happen to fall in the designated range.
  28         test "$(git diff --cached --name-only --diff-filter=A -z $against |
  29           LC_ALL=C tr -d '[ -~]\0')"
  30 then
  31         echo "Error: Attempt to add a non-ascii file name."
  32         echo
  33         echo "This can cause problems if you want to work"
  34         echo "with people on other platforms."
  35         echo
  36         echo "To be portable it is advisable to rename the file ..."
  37         echo
  38         echo "If you know what you are doing you can disable this"
  39         echo "check using:"
  40         echo
  41         echo "  git config hooks.allownonascii true"
  42         echo
  43         exit 1
  44 fi
  45
  46 exec git diff-index --check --cached $against --