Setup a simple pre-commit hook for go projects

go-precommit-hook.sh

#!/bin/bash

add_precommit_hook() {
    local dir=$1
    local sample=$dir/pre-commit.sample
    local file=${sample/%.sample/}
    rm -f $sample
    echo '#!/bin/bash' > $file
    echo 'exec go test -race' >> $file
    chmod +x $file
}

main() {
    local dir=.git/hooks
    if [[ ! -d $dir ]]; then
        >&2 echo 'Are you sure this is a git repository?'
    fi
    add_precommit_hook $dir
}

main "$@"