maint: Give command to install the pre-push hook.

* HACKING: Add 'cp' line to install the pre-push hook.

1 files changed, 4 insertions, 3 deletions

diff --git a/HACKING b/HACKING
index 349015499f..20cc9ea6ea 100644
--- a/HACKING
+++ b/HACKING
@@ -46,9 +46,10 @@ configure Git to automatically sign commits, run:
   git config commit.gpgsign true
   git config user.signingkey CABBA6EA1DC0FF33
 
-You can prevent yourself from accidentally pushing unsigned commits to Savannah
-by using the pre-push Git hook called 'pre-push'. It's located at
-'etc/git/pre-push'.
+You can prevent yourself from accidentally pushing unsigned commits to
+Savannah by using the pre-push Git hook called located at ‘etc/git/pre-push’:
+
+  cp etc/git/pre-push .git/hooks/pre-push
 
 When pushing a commit on behalf of somebody else, please add a Signed-off-by
 line at the end of the commit log message (e.g. with ‘git am --signoff’).