Make templates honour SHELL_PATH and PERL_PATH
[git/git.git] / templates / hooks--pre-commit.sample
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1#!/bin/sh
2#
3# An example hook script to verify what is about to be committed.
215a7ad1 4# Called by git-commit with no arguments. The hook should
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5# exit with non-zero status after issuing an appropriate message if
6# it wants to stop the commit.
7#
f98f8cba 8# To enable this hook, rename this file to "pre-commit".
89e2c5f1 9
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10if git-rev-parse --verify HEAD >/dev/null 2>&1
11then
12 against=HEAD
13else
14 # Initial commit: diff against an empty tree object
15 against=4b825dc642cb6eb9a060e54bf8d69288fbee4904
16fi
17
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18# If you want to allow non-ascii filenames set this variable to true.
19allownonascii=$(git config hooks.allownonascii)
20
21# Cross platform projects tend to avoid non-ascii filenames; prevent
22# them from being added to the repository. We exploit the fact that the
23# printable range starts at the space character and ends with tilde.
24if [ "$allownonascii" != "true" ] &&
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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.
c30eb852 28 test "$(git diff --cached --name-only --diff-filter=A -z $against |
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29 LC_ALL=C tr -d '[ -~]\0')"
30then
f1e3156e 31 echo "Error: Attempt to add a non-ascii file name."
d00e364d 32 echo
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33 echo "This can cause problems if you want to work"
34 echo "with people on other platforms."
d00e364d 35 echo
f1e3156e 36 echo "To be portable it is advisable to rename the file ..."
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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
44fi
45
03e2b630 46exec git diff-index --check --cached $against --