f1e3156e62
Add a comment explaining why square brackets around a tr range are not only ok, but actually required in this case. Correct spelling and grammar. Signed-off-by: Jim Meyering <meyering@redhat.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
47 lines
1.5 KiB
Bash
Executable File
47 lines
1.5 KiB
Bash
Executable File
#!/bin/sh
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#
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# An example hook script to verify what is about to be committed.
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# Called by git-commit with no arguments. The hook should
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# exit with non-zero status after issuing an appropriate message if
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# it wants to stop the commit.
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#
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# To enable this hook, rename this file to "pre-commit".
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# If you want to allow non-ascii filenames set this variable to true.
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allownonascii=$(git config hooks.allownonascii)
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# Cross platform projects tend to avoid non-ascii filenames; prevent
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# them from being added to the repository. We exploit the fact that the
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# printable range starts at the space character and ends with tilde.
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if [ "$allownonascii" != "true" ] &&
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# Note that the use of brackets around a tr range is ok here, (it's
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# even required, for portability to Solaris 10's /usr/bin/tr), since
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# the square bracket bytes happen to fall in the designated range.
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test "$(git diff --cached --name-only --diff-filter=A -z |
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LC_ALL=C tr -d '[ -~]\0')"
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then
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echo "Error: Attempt to add a non-ascii file name."
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echo
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echo "This can cause problems if you want to work"
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echo "with people on other platforms."
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echo
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echo "To be portable it is advisable to rename the file ..."
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echo
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echo "If you know what you are doing you can disable this"
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echo "check using:"
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echo
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echo " git config hooks.allownonascii true"
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echo
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exit 1
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fi
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if git-rev-parse --verify HEAD >/dev/null 2>&1
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then
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against=HEAD
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else
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# Initial commit: diff against an empty tree object
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against=4b825dc642cb6eb9a060e54bf8d69288fbee4904
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fi
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exec git diff-index --check --cached $against --
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