Implémenter des hooks Git

Effectué

Ce guide vous montre comment créer, déployer et gérer des hooks Git pour les équipes de développement. Découvrez les techniques multiplateformes modernes, les implémentations axées sur la sécurité et les stratégies pour la mise à l’échelle des hooks entre les grandes équipes de développement.

Configuration moderne des hooks Git

L’implémentation de hooks Git nécessite une réflexion minutieuse sur la compatibilité multiplateforme, la facilité de maintenance et les stratégies de déploiement d’équipe. Les approches modernes se concentrent sur la gestion des hooks avec contrôle de version et sur la distribution automatique, plutôt que sur la configuration manuelle.

Développement de hook multiplateformes

Les environnements de développement modernes ont besoin de crochets Git qui fonctionnent de la même façon sur les environnements de développement Windows, macOS et Linux.

Implémentation universelle

#!/usr/bin/env bash
# Cross-platform compatible shebang that automatically finds bash interpreter
# Works consistently across Windows Git Bash, macOS, and Linux environments

Cette approche supprime les problèmes de chemin spécifiques à la plateforme qui provoquent des problèmes liés aux implémentations traditionnelles et garantit un comportement cohérent dans différents environnements de développement.

Stratégie de détection d’environnement

#!/usr/bin/env bash
# Smart environment detection for platform-specific optimizations
detect_environment() {
    if [[ "$OSTYPE" == "msys" ]] || [[ "$OSTYPE" == "win32" ]]; then
        PLATFORM="windows"
        PYTHON_CMD="python"
    elif [[ "$OSTYPE" == "darwin"* ]]; then
        PLATFORM="macos"
        PYTHON_CMD="python3"
    else
        PLATFORM="linux"
        PYTHON_CMD="python3"
    fi
}

Implémentation du hook de pré-commit d’entreprise

Détection des informations d’identification axées sur la sécurité

Implémentez une détection d’informations d’identification sophistiquée qui va au-delà de la correspondance simple des mots clés :

#!/usr/bin/env bash
# Advanced credential detection with pattern recognition

check_credentials() {
    local staged_files=$(git diff --cached --name-only)
    local violations=""

    # Define comprehensive credential patterns
    local patterns=(
        "password\s*[=:]\s*['\"][^'\"]{8,}"
        "api[_-]?key\s*[=:]\s*['\"][^'\"]{20,}"
        "secret\s*[=:]\s*['\"][^'\"]{16,}"
        "token\s*[=:]\s*['\"][^'\"]{24,}"
        "-----BEGIN\s+(RSA\s+)?PRIVATE\s+KEY-----"
        "mysql://.*:.*@"
        "postgresql://.*:.*@"
    )

    for file in $staged_files; do
        if [ -f "$file" ]; then
            for pattern in "${patterns[@]}"; do
                if git show ":$file" | grep -qiE "$pattern"; then
                    violations+="Potential credential detected in $file\n"
                fi
            done
        fi
    done

    if [ ! -z "$violations" ]; then
        echo -e "Security Alert: Credential Detection\n"
        echo -e "$violations"
        echo -e "Please remove sensitive information before committing\n"
        return 1
    fi

    return 0
}

# Execute security validation
check_credentials || exit 1

Validation complète de la qualité du code

Implémentez la garantie de la qualité du code multilingue qui s’adapte à votre pile technologique.

#!/usr/bin/env bash
# Enterprise code quality validation framework

validate_code_quality() {
    local staged_files=$(git diff --cached --name-only --diff-filter=ACM)
    local quality_violations=0

    echo "Performing code quality validation..."

    for file in $staged_files; do
        case "$file" in
            *.js|*.jsx|*.ts|*.tsx)
                if command -v npx >/dev/null 2>&1; then
                    echo "Linting JavaScript/TypeScript: $file"
                    npx eslint "$file" || ((quality_violations++))

                    if [[ "$file" =~ \.(ts|tsx)$ ]]; then
                        echo "Type checking: $file"
                        npx tsc --noEmit --skipLibCheck "$file" || ((quality_violations++))
                    fi
                fi
                ;;
            *.py)
                if command -v python3 >/dev/null 2>&1; then
                    echo "Linting Python: $file"
                    python3 -m flake8 "$file" || ((quality_violations++))

                    if command -v mypy >/dev/null 2>&1; then
                        echo "Type checking Python: $file"
                        python3 -m mypy "$file" || ((quality_violations++))
                    fi
                fi
                ;;
            *.cs)
                if command -v dotnet >/dev/null 2>&1; then
                    echo "Formatting C#: $file"
                    dotnet format --verify-no-changes --include "$file" || ((quality_violations++))
                fi
                ;;
            *.go)
                if command -v go >/dev/null 2>&1; then
                    echo "Formatting Go: $file"
                    if ! gofmt -l "$file" | grep -q .; then
                        gofmt -w "$file"
                        git add "$file"
                    fi

                    echo "Linting Go: $file"
                    golint "$file" || ((quality_violations++))
                fi
                ;;
        esac
    done

    if [ $quality_violations -gt 0 ]; then
        echo "Code quality validation failed with $quality_violations violations"
        echo "Please fix the issues above before committing"
        return 1
    fi

    echo "Code quality validation passed"
    return 0
}

# Execute quality validation
validate_code_quality || exit 1

Stratégie d’exécution de test intelligente

Implémentez l’exécution de tests intelligents qui exécute uniquement des tests pertinents en fonction du code modifié :

#!/usr/bin/env bash
# Intelligent test execution based on change impact

execute_relevant_tests() {
    local changed_files=$(git diff --cached --name-only)
    local test_failures=0

    echo "Analyzing test requirements for changed files..."

    # Check if source code changes require testing
    if echo "$changed_files" | grep -qE "\.(js|jsx|ts|tsx|py|cs|go)$"; then
        echo "Source code changes detected, running relevant tests..."

        # JavaScript/TypeScript projects
        if [ -f "package.json" ] && command -v npm >/dev/null 2>&1; then
            if echo "$changed_files" | grep -qE "\.(js|jsx|ts|tsx)$"; then
                echo "Running JavaScript/TypeScript tests..."
                npm test -- --findRelatedTests $changed_files --passWithNoTests || ((test_failures++))
            fi
        fi

        # Python projects
        if [ -f "requirements.txt" ] || [ -f "pyproject.toml" ]; then
            if echo "$changed_files" | grep -qE "\.py$"; then
                echo "Running Python tests..."
                if command -v pytest >/dev/null 2>&1; then
                    pytest --tb=short || ((test_failures++))
                elif command -v python3 >/dev/null 2>&1; then
                    python3 -m unittest discover || ((test_failures++))
                fi
            fi
        fi

        # .NET projects
        if find . -name "*.csproj" -o -name "*.sln" | grep -q .; then
            if echo "$changed_files" | grep -qE "\.cs$"; then
                echo "Running .NET tests..."
                dotnet test --no-build --verbosity minimal || ((test_failures++))
            fi
        fi

        # Go projects
        if [ -f "go.mod" ]; then
            if echo "$changed_files" | grep -qE "\.go$"; then
                echo "Running Go tests..."
                go test ./... || ((test_failures++))
            fi
        fi
    fi

    if [ $test_failures -gt 0 ]; then
        echo "Test execution failed"
        echo "Please fix failing tests before committing"
        return 1
    fi

    echo "All relevant tests passed"
    return 0
}

# Execute intelligent testing
execute_relevant_tests || exit 1

Automatisation avancée des messages de commit

Implémentation du hook Prepare-commit-msg

Automatisez la génération de messages de validation pour garantir la cohérence et inclure les métadonnées nécessaires :

#!/usr/bin/env bash
# Automated commit message enhancement with Azure DevOps integration

enhance_commit_message() {
    local commit_msg_file="$1"
    local commit_source="$2"
    local sha="$3"

    # Skip automation for merge commits, amend commits, etc.
    if [ -n "$commit_source" ]; then
        return 0
    fi

    # Get current branch information
    local current_branch=$(git branch --show-current)
    local branch_prefix=""

    # Extract work item ID from branch name if present
    if [[ "$current_branch" =~ ^(feature|bugfix|hotfix)/([0-9]+) ]]; then
        local work_item_id="${BASH_REMATCH[2]}"
        branch_prefix="AB#$work_item_id: "
    elif [[ "$current_branch" =~ ^(feature|bugfix|hotfix)/(.+)$ ]]; then
        local feature_name="${BASH_REMATCH[2]}"
        branch_prefix="[$feature_name] "
    fi

    # Read existing commit message
    local existing_message=$(cat "$commit_msg_file")

    # Only add prefix if not already present
    if [ ! -z "$branch_prefix" ] && ! echo "$existing_message" | grep -q "^$branch_prefix"; then
        # Create enhanced commit message
        echo "${branch_prefix}${existing_message}" > "$commit_msg_file"
    fi

    # Add commit template if message is empty
    if [ -z "$existing_message" ] || [ "$existing_message" = "" ]; then
        cat >> "$commit_msg_file" << EOF
${branch_prefix}Brief description of changes

# Detailed explanation of what and why changes were made
#
# Include:
# - What problem this solves
# - Why this approach was chosen
# - Any breaking changes or migration notes
#
# Link to work items: AB#1234
EOF
    fi
}

enhance_commit_message "$@"

Commiter le hook de validation de message

Vérifiez que les messages de validation répondent aux normes organisationnelles :

#!/usr/bin/env bash
# Comprehensive commit message validation

validate_commit_message() {
    local commit_msg_file="$1"
    local commit_message=$(cat "$commit_msg_file")

    # Remove comment lines for validation
    local clean_message=$(echo "$commit_message" | grep -v '^#' | sed '/^$/d')

    # Check minimum length
    if [ ${#clean_message} -lt 10 ]; then
        echo "Commit message too short (minimum 10 characters)"
        return 1
    fi

    # Check maximum length for first line
    local first_line=$(echo "$clean_message" | head -n1)
    if [ ${#first_line} -gt 72 ]; then
        echo "Commit message first line too long (maximum 72 characters)"
        echo "Current length: ${#first_line}"
        return 1
    fi

    # Check for work item reference in enterprise environments
    if ! echo "$clean_message" | grep -qE "(AB#[0-9]+|#[0-9]+|closes #[0-9]+|fixes #[0-9]+)"; then
        echo "Commit message should reference a work item (e.g., AB#1234 or #1234)"
        echo "Continue anyway? (y/N)"
        read -r response
        if [[ ! "$response" =~ ^[Yy]$ ]]; then
            return 1
        fi
    fi

    # Check for conventional commit format (optional)
    if echo "$first_line" | grep -qE "^(feat|fix|docs|style|refactor|test|chore)(\(.+\))?: "; then
        echo "Conventional commit format detected"
    fi

    echo "Commit message validation passed"
    return 0
}

validate_commit_message "$@" || exit 1

Intégration d’Azure DevOps

Intégration du hook côté serveur

Utilisez des hooks de service Azure DevOps pour l’automatisation côté serveur :

#!/usr/bin/env bash
# Azure DevOps webhook integration for advanced workflows

trigger_azure_validation() {
    local branch_name=$(git branch --show-current)
    local commit_sha=$(git rev-parse HEAD)

    # Trigger Azure Pipelines validation build
    if command -v az >/dev/null 2>&1; then
        echo "Triggering Azure DevOps validation pipeline..."

        az pipelines build queue \
            --definition-name "PR-Validation" \
            --branch "$branch_name" \
            --commit-id "$commit_sha" \
            --output table
    fi
}

# Integration with Azure Boards
update_work_item() {
    local commit_message="$1"

    # Extract work item ID from commit message
    if [[ "$commit_message" =~ AB#([0-9]+) ]]; then
        local work_item_id="${BASH_REMATCH[1]}"

        echo "Updating Azure Boards work item #$work_item_id..."

        # Add commit information to work item
        az boards work-item update \
            --id "$work_item_id" \
            --discussion "Commit $(git rev-parse --short HEAD): $(echo "$commit_message" | head -n1)"
    fi
}

Optimisation des performances et meilleures pratiques

Recommandations en matière de performances de hook

Implémentez des optimisations des performances pour maintenir la productivité des développeurs :

#!/usr/bin/env bash
# Performance-optimized hook implementation

optimize_hook_performance() {
    # Cache expensive operations
    local cache_dir=".git/hooks-cache"
    mkdir -p "$cache_dir"

    # Only run expensive checks on changed files
    local changed_files=$(git diff --cached --name-only)

    # Implement timeout protection
    timeout 30s expensive_operation || {
        echo "Hook operation timed out, skipping..."
        return 0
    }

    # Provide progress feedback for long operations
    echo "Running validation (this may take a moment)..."
}

# Implement graceful degradation
fallback_validation() {
    echo "Primary validation failed, running minimal checks..."
    # Implement basic validation as fallback
}

Ce guide d’implémentation complet fournit la base des hooks Git d’entreprise sophistiqués qui améliorent la sécurité, la qualité et la conformité tout en conservant la productivité des développeurs et l’efficacité des flux de travail.