Add pre-commit hook to check indentation

This commit is contained in:
Talia 2021-01-20 16:07:20 +01:00
parent 32968eb39e
commit f73ffc18cd

60
githooks/pre-commit Executable file
View file

@ -0,0 +1,60 @@
#!/bin/sh
indentation=$(git config hooks.indentation)
new() {
git status --porcelain | grep -E '^AM|^M|^A' | sed 's/^[^ ]* *//'
}
prepare() {
index=$(git write-tree) > /dev/null
git stash push --keep-index --include-untracked > /dev/null
}
reset() {
git checkout stash -- '*'
git stash drop > /dev/null
git read-tree "$index"
}
check() {
file=$2
luajit -e "
for line in assert(io.open('$file')):lines() do
if not line:match('^%s*'):match('^$1*$') then
print('File \x1b[31m$file\x1b[00m is incorrectly indented!')
os.exit(1)
end
end"
}
case $indentation in
tab|tabs)
prepare
echo "Checking tab indentation"
for file in $(new); do
check '\t' $file || error=1
done
reset
;;
space|spaces)
prepare
echo "Checking space indentation"
for file in $(new); do
check ' ' $file || error=1
done
reset
;;
"")
echo "Skipping indentation check"
;;
*|off)
echo "Cannot check for indentation type \033[31m'$indentation'\033[00m"
exit 1
;;
esac
if [ -z "$error" ]
then exit 0
else exit 1
fi