From f87db2daff5cf0cde0a545bb8ac7ed0d7b051c92 Mon Sep 17 00:00:00 2001
From: Arun Isaac
Date: Mon, 27 Jul 2026 23:31:38 +0100
Subject: Add hacking instructions.

---
 HACKING.md | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 HACKING.md

diff --git a/HACKING.md b/HACKING.md
new file mode 100644
index 0000000..d2cf884
--- /dev/null
+++ b/HACKING.md
@@ -0,0 +1,31 @@
+# Drop into a development environment
+
+The easiest way to get all the dependencies and development tools is to use `guix shell`.
+```
+guix shell -L .guix -m manifest.scm
+```
+
+# Build the C source code
+
+Initialize the meson build directory.
+```
+meson setup builddir
+```
+Compile the C source code. Repeat this command everytime you modify the C code.
+```
+meson compile -C builddir
+```
+
+# Run domagi
+
+Run domagi like so:
+```
+./pre-inst-env python3 -m domagi.domagi <subcommand> ...
+```
+
+# Run tests
+
+Run tests.
+```
+./pre-inst-env python3 -m pytest
+```
-- 
cgit 1.4.1