66 lines
1.8 KiB
Bash
Executable File
66 lines
1.8 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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# Source die()
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. "$HOME"/.local/bin/helpers.sh
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if git rev-parse --verify HEAD >/dev/null 2>&1; then
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against=HEAD
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else
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# Initial commit: diff against an empty tree object
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against=$(git hash-object -t tree /dev/null)
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fi
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# If you want to allow non-ASCII filenames set this variable to true.
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allownonascii=$(git config --type=bool hooks.allownonascii)
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# Redirect output to stderr.
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exec 1>&2
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# Check that all filenames include only ASCII characters.
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if [ "$allownonascii" != "true" ]; then
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# We exploit the fact that the printable range starts at the space
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# character 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-index --cached --name-only --diff-filter=A -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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die "Rename files with ASCII characters only, or enable hooks.allownonascii"
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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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# Check that added symlinks are neither absolute nor broken
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git diff --staged --name-only --diff-filter=AT $against \
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| {
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abort=0
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while read -r line; do
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[ -h "$line" ] || continue
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target="$(readlink "$line")"
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if [ -z "${target##/*}" ]; then
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abort=1
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printf "%s\n" "$line: Absolute symlink" >&2
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fi
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if [ ! -e "$line" ]; then
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abort=1
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printf "%s\n" "$line: Broken symlink" >&2
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fi
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done
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[ "$abort" -eq 0 ] || die
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}
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