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oscar: Factor out git-pre-commit-hook for use on other machines

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Chandler Swift 2025-07-09 16:21:26 -05:00
parent bcc20c9c03
commit b2f44b7d17
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2
oscar/configuration.nix
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@ -277,7 +277,7 @@
".direnv"
];
hooks = {
pre-commit = ./git-pre-commit-hook;
pre-commit = ../git-pre-commit-hook;
};
signing.signByDefault = true;
signing.key = null; # "let GnuPG decide what signing key to use depending on commit's author"

48
oscar/git-pre-commit-hook
View file

@ -1,48 +0,0 @@
if git rev-parse --verify HEAD >/dev/null 2>&1
then
against=HEAD
else
# Initial commit: diff against an empty tree object
against=$(git hash-object -t tree /dev/null)
fi
# https://stackoverflow.com/a/7292992
. git-sh-setup # for die
if git-diff-index -p -M --cached $against -- \
| grep '^+' \
| grep TODO; then
die Blocking commit because string TODO detected in patch
fi
# If you want to allow non-ASCII filenames set this variable to true.
allownonascii=$(git config --type=bool hooks.allownonascii)
# Redirect output to stderr.
exec 1>&2
# Cross platform projects tend to avoid non-ASCII filenames; prevent
# them from being added to the repository. We exploit the fact that the
# printable range starts at the space character and ends with tilde.
if [ "$allownonascii" != "true" ] &&
# Note that the use of brackets around a tr range is ok here, (it's
# even required, for portability to Solaris 10's /usr/bin/tr), since
# the square bracket bytes happen to fall in the designated range.
test $(git diff-index --cached --name-only --diff-filter=A -z $against |
LC_ALL=C tr -d '[ -~]\0' | wc -c) != 0
then
cat <<\EOF
Error: Attempt to add a non-ASCII file name.
This can cause problems if you want to work with people on other platforms.
To be portable it is advisable to rename the file.
If you know what you are doing you can disable this check using:
git config hooks.allownonascii true
EOF
exit 1
fi
# If there are whitespace errors, print the offending file names and fail.
exec git diff-index --check --cached $against --