druckdev
3c6c37f235
Refactor the script to match my coding style more and update the comments. When checking the filenames for non-ASCII characters, check also renaming of files instead of only additions.
47 lines
1.4 KiB
Bash
Executable File
47 lines
1.4 KiB
Bash
Executable File
#!/bin/sh
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#
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# A hook script to verify what is about to be committed.
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# Called by "git commit" with no arguments. The hook should exit with non-zero
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# status after issuing an appropriate message if it wants to stop the commit.
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#
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# To enable this hook, save this file in ".git/hooks/pre-commit".
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die() {
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printf "$1" >&2
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exit ${2:-1}
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}
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if git rev-parse --verify HEAD >/dev/null 2>&1; then
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against=HEAD
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else
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# Initial commit: diff against an empty tree object
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against=4b825dc642cb6eb9a060e54bf8d69288fbee4904
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fi
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# Redirect output to stderr.
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exec 1>&2
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# Check that all filenames include only ASCII characters.
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allownonascii=$(git config --bool hooks.allownonascii)
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if [ "$allownonascii" != "true" ]; then
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# We exploit the fact that the printable range starts at the space character
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# and ends with tilde.
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# Note that the use of brackets around a tr range is ok here, (it's
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# even required, for portability to Solaris 10's /usr/bin/tr), since
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# the square bracket bytes happen to fall in the designated range.
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num_nonascii=$(
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git diff --cached --name-only --diff-filter=AR -z $against \
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| LC_ALL=C tr -d '[ -~]\0' \
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| wc -c
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)
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if [ $num_nonascii != 0 ]; then
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printf "Rename files to only include ASCII characters.\n" >&2
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die "Or set hooks.allownonascii to true.\n"
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fi
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fi
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# Check for whitespace errors.
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if ! git diff-index --check --cached $against --; then
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die
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fi
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