From fa79016ab0d23aa3d2c0322ab6be90b37dcd01c1 Mon Sep 17 00:00:00 2001
From: MarcoFalke <falke.marco@gmail.com>
Date: Tue, 13 Mar 2018 17:32:50 -0400
Subject: [PATCH] travis: Clone depth 1 unless $CHECK_DOC

---
 .travis.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index e5254fe61..6c3a13d73 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,7 @@ cache:
   - depends/sdk-sources
   - $HOME/.ccache
 git:
-  depth: false  # full clone for git subtree check, this works around issue #12388
+  depth: 1
 env:
   global:
     - MAKEJOBS=-j3
@@ -48,6 +48,7 @@ install:
     - if [ -n "$PACKAGES" ]; then travis_retry sudo apt-get install --no-install-recommends --no-upgrade -qq $PACKAGES; fi
     - if [ "$CHECK_DOC" = 1 -a "$TRAVIS_EVENT_TYPE" = "pull_request" ]; then travis_retry pip3 install flake8 --user; fi
 before_script:
+    - if [ "$CHECK_DOC" = 1 ]; then git fetch --unshallow; fi
     - if [ "$CHECK_DOC" = 1 -a "$TRAVIS_EVENT_TYPE" = "pull_request" ]; then contrib/devtools/commit-script-check.sh $TRAVIS_COMMIT_RANGE; fi
     - if [ "$CHECK_DOC" = 1 ]; then contrib/devtools/git-subtree-check.sh src/crypto/ctaes; fi
     - if [ "$CHECK_DOC" = 1 ]; then contrib/devtools/git-subtree-check.sh src/secp256k1; fi