From a1bcd496f6a3accb1dc90807402be2afa424fd34 Mon Sep 17 00:00:00 2001
From: Ralph Corderoy <ralph@inputplus.co.uk>
Date: Mon, 24 Oct 2016 09:59:44 +0100
Subject: [PATCH] build_nmh: If cloning with git, make a shallow clone.

---
 docs/contrib/build_nmh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/contrib/build_nmh b/docs/contrib/build_nmh
index 358531dc..fc871f8f 100755
--- a/docs/contrib/build_nmh
+++ b/docs/contrib/build_nmh
@@ -131,7 +131,7 @@ else
     [ "$verbose" -eq 0 ]  &&  git_opts=--quiet
     [ "$branch" == master ]  ||
       git_opts="${git_opts:+$git_opts }--branch $branch"
-    if "$gitdir"/git clone $git_opts "git://$gitrepo/nmh.git"; then
+    if "$gitdir"/git clone --depth 1 $git_opts "git://$gitrepo/nmh.git"; then
       cd nmh  ||  die "failed to clone nmh"
       printf "commit %s\n" `git log --max-count=1 --pretty=format:%H`
     else
-- 
2.56.0