pre-commit

#!/bin/bash

# set -x

PROJECT_DIC="$HOME/.scspell/$(git rev-list --parents HEAD | tail -1)/dictionary.txt"

all_files=($(typos --files .))
all_changes=($(git diff --name-only --cached --diff-filter=d | while IFS= read -r n; do echo "./$n"; done))
files_to_check=($(echo ${all_files[@]} ${all_changes[@]} | tr ' ' '\n' | sort | uniq -d | while IFS= read -r n; do echo "$n"; done))

function prepare_scspell_dic
{
    if [ ! -f "$PROJECT_DIC" ]; then
        mkdir -p "$(dirname "$PROJECT_DIC")"
        echo $(git config --get remote.origin.url) > $(dirname "$PROJECT_DIC")/repo.info
        touch $PROJECT_DIC
    fi
}

function spell_check_typos {
    local errno=0
    pushd $(git rev-parse --git-dir 2> /dev/null)/.. > /dev/null
    typos $(echo ${files_to_check[@]} | while IFS= read -r n; do echo "$n"; done)
    errno=$?
    popd > /dev/null

    if [ $errno -ne 0 ]; then
        exit $errno
    fi
}

function spell_check_scspell {
    pushd $(git rev-parse --git-dir 2> /dev/null)/.. > /dev/null

    scspell --report-only --use-builtin-base-dict --override-dictionary "$PROJECT_DIC" --relative-to $PWD $(echo ${files_to_check[@]})
    if [ $? -ne 0 ]; then
       exec < /dev/tty
       scspell --use-builtin-base-dict --override-dictionary "$PROJECT_DIC" --relative-to $PWD $(echo ${files_to_check[@]})
       exit
    fi

    popd > /dev/null
}

if [ ${#files_to_check[@]} -ne 0 ]; then
    spell_check_typos
    prepare_scspell_dic
    spell_check_scspell
fi