move make variables into .env file

This commit makes the repository dependent on `.env` being both a valid `.env` file for `dotenvy` to use and being valid to include in the `Makefile`.

.env

@@ -0,0 +1,25 @@
+POSTGRES_CONTAINER=postgres
+POSTGRES_DB=fang
+POSTGRES_USER=postgres
+POSTGRES_PASSWORD=postgres
+POSTGRES_DIESEL_DIR=fang/postgres_migrations
+POSTGRES_MIGRATIONS=${POSTGRES_DIESEL_DIR}/migrations
+POSTGRES_CONFIG=${POSTGRES_DIESEL_DIR}/diesel.toml
+
+MYSQL_CONTAINER=mysql
+MYSQL_DB=fang
+MYSQL_USER=root
+MYSQL_PASSWORD=mysql
+MYSQL_DIESEL_DIR=fang/mysql_migrations
+MYSQL_MIGRATIONS=${MYSQL_DIESEL_DIR}/migrations
+MYSQL_CONFIG=${MYSQL_DIESEL_DIR}/diesel.toml
+
+SQLITE_FILE=fang.db
+SQLITE_DIESEL_DIR=fang/sqlite_migrations
+SQLITE_MIGRATIONS=${SQLITE_DIESEL_DIR}/migrations
+SQLITE_CONFIG=${SQLITE_DIESEL_DIR}/diesel.toml
+
+HOST=127.0.0.1
+POSTGRES_URL=postgres://${POSTGRES_USER}:${POSTGRES_PASSWORD}@${HOST}/${POSTGRES_DB}
+MYSQL_URL=mysql://${MYSQL_USER}:${MYSQL_PASSWORD}@${HOST}/${MYSQL_DB}
+DATABASE_URL=${POSTGRES_URL}

.gitignore

@@ -3,4 +3,3 @@ Cargo.lock
 docs/content/docs/CHANGELOG.md
 docs/content/docs/README.md
 fang.db
-.env

Makefile

@@ -1,28 +1,4 @@
-POSTGRES_CONTAINER=postgres
-POSTGRES_DB=fang
-POSTGRES_USER=postgres
-POSTGRES_PASSWORD=postgres
-POSTGRES_DIESEL_DIR=fang/postgres_migrations
-POSTGRES_MIGRATIONS=$(POSTGRES_DIESEL_DIR)/migrations
-POSTGRES_CONFIG=$(POSTGRES_DIESEL_DIR)/diesel.toml
-
-MYSQL_CONTAINER=mysql
-MYSQL_DB=fang
-MYSQL_USER=root
-MYSQL_PASSWORD=mysql
-MYSQL_DIESEL_DIR=fang/mysql_migrations
-MYSQL_MIGRATIONS=$(MYSQL_DIESEL_DIR)/migrations
-MYSQL_CONFIG=$(MYSQL_DIESEL_DIR)/diesel.toml
-
-SQLITE_FILE=fang.db
-SQLITE_DIESEL_DIR=fang/sqlite_migrations
-SQLITE_MIGRATIONS=$(SQLITE_DIESEL_DIR)/migrations
-SQLITE_CONFIG=$(SQLITE_DIESEL_DIR)/diesel.toml
-
-HOST=127.0.0.1
-DATABASE_URL=$(POSTGRES_URL)
-POSTGRES_URL=postgres://$(POSTGRES_USER):$(POSTGRES_PASSWORD)@$(HOST)/$(POSTGRES_DB)
-MYSQL_URL=mysql://$(MYSQL_USER):$(MYSQL_PASSWORD)@$(HOST)/$(MYSQL_DB)
+include .env
 
 BOLD='\033[1m'
 END_BOLD='\033[0m'
@@ -44,19 +20,10 @@ default: db tests ignored stop
 	stop $(STOP_TARGETS) \
 	default clippy tests ignored doc .FORCE
 
-.SILENT: .env $(DB_TARGETS) $(WAIT_TARGETS) $(DIESEL_TARGETS) $(CLEAN_TARGETS) $(STOP_TARGETS)
-
-.FORCE:
+.SILENT: $(DB_TARGETS) $(WAIT_TARGETS) $(DIESEL_TARGETS) $(CLEAN_TARGETS) $(STOP_TARGETS)
 
 .NOTPARALLEL: default
 
-.env: .FORCE
-	printf '' > .env
-	echo "DATABASE_URL=$(DATABASE_URL)" >> .env
-	echo "POSTGRES_URL=$(POSTGRES_URL)" >> .env
-	echo "MYSQL_URL=$(MYSQL_URL)" >> .env
-	echo "SQLITE_FILE=$(SQLITE_FILE)" >> .env
-
 db: $(DB_TARGETS)
 
 db_postgres:
@@ -163,12 +130,12 @@ stop_sqlite:
 clippy:
 	cargo clippy --verbose --all-targets --all-features -- -D warnings
 
-tests: .env
+tests:
 	@echo -e $(BOLD)Running tests...$(END_BOLD)
 	cargo test --all-features -- --color always --nocapture
 	$(MAKE) clean
 
-ignored: .env
+ignored:
 	@echo -e $(BOLD)Running ignored tests...$(END_BOLD)
 	cargo test --all-features -- --color always --nocapture --ignored
 	$(MAKE) clean