HACKING.md: Document running one test case

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/HACKING.md b/HACKING.md
index 1f6dcc47bceb7aa00d6acef58a444bc0dd0fba09..5fe1d2b8347be886d03e72d96f11ab5cf6c48eec 100644 (file)
--- a/HACKING.md
+++ b/HACKING.md
@@ -15,3 +15,10 @@ Using dependencies from Debian
 ```
 autopkgtest --ignore-restrictions=isolation-machine . --- schroot build
 ```
+
+Run one test, ad-hoc, using a debug build
+
+```
+nailing-cargo build
+nailing-cargo --- test/with-unshare test/t-basic
+```