build-aux/git-hooks/pre-commit

   1 #!/bin/sh
   2 # Check file names in git commits for GNU Emacs.
   3
   4 # Copyright 2014-2015 Free Software Foundation, Inc.
   5
   6 # This file is part of GNU Emacs.
   7
   8 # GNU Emacs is free software: you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation, either version 3 of the License, or
  11 # (at your option) any later version.
  12
  13 # GNU Emacs is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17
  18 # You should have received a copy of the GNU General Public License
  19 # along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  20
  21 LC_ALL=C
  22 export LC_ALL
  23
  24 exec >&2
  25
  26 . git-sh-setup
  27
  28 git_diff='git diff --cached --name-only --diff-filter=A'
  29 ok_chars='\0+[=-=]./0-9A-Z_a-z'
  30 nbadchars=`$git_diff -z HEAD | tr -d "$ok_chars" | wc -c`
  31
  32 if test "$nbadchars" -ne 0; then
  33   echo "File name does not consist of -+./_ or ASCII letters or digits."
  34   exit 1
  35 fi
  36
  37 for new_name in `$git_diff HEAD`; do
  38   case $new_name in
  39     -* | */-*)
  40       echo "$new_name: File name component begins with '-'."
  41       exit 1;;
  42     ChangeLog | */ChangeLog)
  43       echo "$new_name: Please use git commit messages, not ChangeLog files."
  44       exit 1;;
  45   esac
  46 done
  47
  48 exec git diff-index --check --cached HEAD --