From e871d2c6805e8e7e1bdb6f83d29fc0307d4395d7 Mon Sep 17 00:00:00 2001
From: Egor Tensin <egor@tensin.name>
Date: Wed, 14 Oct 2026 18:20:35 +0500
Subject: allow running Docker tests locally

---
 prelude.mk | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 prelude.mk

(limited to 'prelude.mk')

diff --git a/prelude.mk b/prelude.mk
new file mode 100644
index 0000000..e0862a5
--- /dev/null
+++ b/prelude.mk
@@ -0,0 +1,29 @@
+# Please see https://tensin.name/blog/notes/makefile.html
+
+MAKEFLAGS += --no-builtin-rules --no-builtin-variables --warn-undefined-variables
+unexport MAKEFLAGS
+.DEFAULT_GOAL := all
+.DELETE_ON_ERROR:
+.SUFFIXES:
+SHELL := bash
+.SHELLFLAGS := -eu -o pipefail -c
+
+escape = $(subst ','\'',$(1))
+
+define noexpand
+ifeq ($$(origin $(1)),environment)
+    $(1) := $$(value $(1))
+endif
+ifeq ($$(origin $(1)),environment override)
+    $(1) := $$(value $(1))
+endif
+ifeq ($$(origin $(1)),command line)
+    override $(1) := $$(value $(1))
+endif
+endef
+
+# A helper target to force execution of pattern rules (works like .PHONY for
+# them): https://www.gnu.org/software/make/manual/html_node/Phony-Targets.html
+#
+.PHONY: DO
+DO:
-- 
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