feat(makefile): Makefile ind sql schema

Makefile

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+DB_PATH := /var/lib/erminig/erminig.db
+DB_DIR := /var/lib/erminig
+PAK_USER := pak
+
+all: prepare_env create_db create_pak_user
+
+prepare_env:
+	@echo "Création de l'arborescence pour Erminig..."
+	@mkdir -p $(DB_DIR)
+	@mkdir -p /var/govel
+	@chown -R $(PAK_USER):$(PAK_USER) /var/govel || true
+
+create_db:
+	@echo "Initialisation de la base SQLite Erminig..."
+	@if [ ! -f "$(DB_PATH)" ]; then \
+		sqlite3 $(DB_PATH) < schema.sql; \
+		chown $(PAK_USER):$(PAK_USER) $(DB_PATH); \
+		echo "Base de données créée à $(DB_PATH)"; \
+	else \
+		echo "La base existe déjà, on touche pas."; \
+	fi
+
+create_pak_user:
+	@echo "Création de l'utilisateur '$(PAK_USER)'..."
+	@if ! id -u $(PAK_USER) >/dev/null 2>&1; then \
+		useradd -r -m -d /var/govel -s /bin/bash $(PAK_USER); \
+		echo "Utilisateur '$(PAK_USER)' créé."; \
+	else \
+		echo "L'utilisateur '$(PAK_USER)' existe déjà."; \
+	fi
+
+clean:
+	@echo "Suppression de la base et de l'arborescence..."
+	@rm -f $(DB_PATH)
+	@rm -rf /var/govel
+
+.PHONY: all prepare_env create_db create_pak_user clean

schema.sql

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+-- schema.sql - Structure initiale de la base Erminig
+
+CREATE TABLE packages (
+    name TEXT PRIMARY KEY,
+    version TEXT NOT NULL,
+    revision INTEGER NOT NULL,
+    status TEXT NOT NULL, -- draft, built, failed, validated
+    blocked BOOLEAN NOT NULL DEFAULT 0,
+    created_at TEXT DEFAULT CURRENT_TIMESTAMP,
+    updated_at TEXT DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE sources (
+    package_name TEXT,
+    url TEXT,
+    hash TEXT,
+    FOREIGN KEY (package_name) REFERENCES packages(name)
+);
+
+CREATE TABLE dependencies (
+    package_name TEXT,
+    dependency TEXT,
+    type TEXT, -- build, runtime, check
+    FOREIGN KEY (package_name) REFERENCES packages(name)
+);
+
+CREATE TABLE builds (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    package_name TEXT,
+    version TEXT,
+    revision INTEGER,
+    start_time TEXT DEFAULT CURRENT_TIMESTAMP,
+    end_time TEXT,
+    status TEXT, -- success, failed
+    log TEXT,
+    FOREIGN KEY (package_name) REFERENCES packages(name)
+);