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 you want to allow non-ascii filenames set this variable to true.
  11 allownonascii=$(git config hooks.allownonascii)
  12
  13 # Cross platform projects tend to avoid non-ascii filenames; prevent
  14 # them from being added to the repository. We exploit the fact that the
  15 # printable range starts at the space character and ends with tilde.
  16 if [ "$allownonascii" != "true" ] &&
  17         # Note that the use of brackets around a tr range is ok here, (it's
  18         # even required, for portability to Solaris 10's /usr/bin/tr), since
  19         # the square bracket bytes happen to fall in the designated range.
  20         test "$(git diff --cached --name-only --diff-filter=A -z |
  21           LC_ALL=C tr -d '[ -~]\0')"
  22 then
  23         echo "Error: Attempt to add a non-ascii file name."
  24         echo
  25         echo "This can cause problems if you want to work"
  26         echo "with people on other platforms."
  27         echo
  28         echo "To be portable it is advisable to rename the file ..."
  29         echo
  30         echo "If you know what you are doing you can disable this"
  31         echo "check using:"
  32         echo
  33         echo "  git config hooks.allownonascii true"
  34         echo
  35         exit 1
  36 fi
  37
  38 if git-rev-parse --verify HEAD >/dev/null 2>&1
  39 then
  40         against=HEAD
  41 else
  42         # Initial commit: diff against an empty tree object
  43         against=4b825dc642cb6eb9a060e54bf8d69288fbee4904
  44 fi
  45
  46 exec git diff-index --check --cached $against --