#!/bin/sh

set -e -f -u

# This comment is used to simplify checking local copies of the script. Bump

# this number every time a significant change is made to this script.

#

# AdGuard-Project-Version: 1

# Only show interactive prompts if there a terminal is attached to stdout.

# While this technically doesn't guarantee that reading from /dev/tty works,

# this should work reasonably well on all of our supported development systems

# and in most terminal emulators.

is_tty='0'

if [ -t '1' ]; then

is_tty='1'

fi

readonly is_tty

# prompt is a helper that prompts the user for interactive input if that can be

# done. If there is no terminal attached, it sleeps for two seconds, giving the

# programmer some time to react, and returns with a zero exit code.

prompt() {

if [ "$is_tty" -eq '0' ]; then

sleep 2

return 0

fi

while true; do

printf 'commit anyway? y/[n]: '

read -r ans </dev/tty

case "$ans" in

'y' | 'Y')

break

;;

'' | 'n' | 'N')

exit 1

;;

*)

continue

;;

esac

done

}

# Warn the programmer about unstaged changes and untracked files, but do not

# fail the commit, because those changes might be temporary or for a different

# branch.

#

# shellcheck disable=SC2016

awk_prog='substr($2, 2, 1) != "." { print $9; } $1 == "?" { print $2; }'

readonly awk_prog

unstaged="$(git status --porcelain=2 | awk "$awk_prog")"

readonly unstaged

if [ "$unstaged" != '' ]; then

printf 'WARNING: you have unstaged changes:\n\n%s\n\n' "$unstaged"

prompt

fi

# Warn the programmer about temporary todos and skel FIXMEs, but do not fail the

# commit, because the commit could be in a temporary branch.

temp_todos="$(

git grep -e 'TODO.*!!' -- \

':!./scripts/hooks/pre-commit' \

|| :

)"

readonly temp_todos

if [ "$temp_todos" != '' ]; then

printf 'WARNING: you have temporary todos:\n\n%s\n\n' "$temp_todos"

prompt

fi

verbose="${VERBOSE:-0}"

readonly verbose

if [ "$(git diff --cached --name-only -- '*.md' || :)" != '' ]; then

make VERBOSE="$verbose" lint-md

fi

if [ "$(git diff --cached --name-only -- '*.rs' 'Cargo.toml' 'Cargo.lock' || :)" != '' ]; then

make VERBOSE="$verbose" lint-rust test-rust

fi

if [ "$(git diff --cached --name-only -- '*.cpp' '*.h' || :)" != '' ]; then

make VERBOSE="$verbose" lint-cpp test-cpp

fi