some git hooks

pre-commit

#!/usr/bin/env bash

# Inspiration and sonarlint function from: https://github.com/janosgyerik/sonarlint-git-hooks

# ENVs
# $SKIPBRANCHTEST optional boolean
# $SKIPDIFFCHECK optional boolean
# $SKIPSONARLINT optional boolean
# use `-n` or `--no-verify` to bypass pre-commit and commit-msg hooks

### BEGIN_COMMON
fatal() {
    echo ERROR: "$@" >&2
    exit 1
}

info() {
    echo info: "$@"
}

success() {
    echo OK... "$@"
}

warning() {
    echo WARNING: "$@"
}

print_files() {
    [[ $# != 1 ]] || return
    info $1
    shift
    for i; do
        info "  $i"
    done
}
### END_COMMON

# Stops accidental commits to master and develop. https://gist.github.com/stefansundin/9059706
run_branchtest() {
    BRANCH=`git rev-parse --abbrev-ref HEAD`
    if [[ "$BRANCH" == "master" || "$BRANCH" == "develop" ]]; then
        fatal "branch test: You are on branch $BRANCH.";
    fi
}

# Git diff check
run_diffcheck() {
    if ! git diff --check --cached; then
        fatal "diff check: there are some issues"
    fi
}

# SonarLint
run_sonarlint() {
    if ! type sonarlint &>/dev/null; then
        fatal "sonarlint: cannot find 'sonarlint' on PATH"
    fi

    sources=()
    sources_globs=
    tests=()
    tests_globs=
    for file; do
        if ! [ -f "$file" ]; then
            info "sonarlint: skip deleted file: $file"
            continue
        fi
        if [[ $file == *src/* ]]; then
            if [[ $file == *[tT]est* ]]; then
                tests+=("$file")
                tests_globs="$tests_globs,$file"
            else
                sources+=("$file")
            fi
            sources_globs="$sources_globs,$file"
            continue
        fi
        info "sonarlint: skip unknown file: $file"
    done

    if [ ${#sources} = 0 -a ${#tests} = 0 ]; then
        info "sonarlint: no files to analyze"
        return 2
    fi

    args=(--src "{${sources_globs:1}}")
    test "$tests_globs" && args+=(--tests "{${tests_globs:1}}")

    print_files "sonarlint: source files to analyze:" "${sources[@]}"
    print_files "sonarlint: test files to analyze:" "${tests[@]}"
    info "sonarlint: analyzing..."
    issues=$(sonarlint "${args[@]}" | sed -ne '/SonarLint Report/,/^---/p' -e '/Report generated/p')
    echo "$issues"

    if ! [[ $issues == *"No issues to display"* ]]; then
        fatal "sonarlint: some analyses have failed"
    fi
}

### RUN TESTS
if ! [ "$SKIPBRANCHTEST" ]; then
    if run_branchtest; then
        success "branch test passed!"
    fi
else
    info "skipping branch test"
fi

if ! [ "$SKIPDIFFCHECK" ]; then
    if run_diffcheck; then
        success "diff check passed!"
    fi
else
    info "skipping diff check"
fi

if ! [ "$SKIPSONARLINT" ]; then
    files=($(git diff --name-only --diff-filter=AMR --cached HEAD))
    if run_sonarlint "${files[@]}"; then
        success "sonarlint is happy!"
    fi
else
    info "skipping sonarlint"
fi