From 5f3a9d76b86efa91d8f1ee26277484419bc95f8d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Carlos=20Mart=C3=ADn=20Nieto?= <cmn@dwim.me>
Date: Sun, 28 Jun 2015 13:17:14 +0200
Subject: [PATCH] travis: don't install libgit2 for 'next' branch

We have our own libgit2 in a submodule, so this is unnecessary. While in
the area, update which version of libgit2 would be downloaded and remove
unnecessary CMake flags.
---
 .travis.yml               |  9 +--------
 script/install-libgit2.sh | 21 +++++++++++++++++++++
 2 files changed, 22 insertions(+), 8 deletions(-)
 create mode 100644 script/install-libgit2.sh

diff --git a/.travis.yml b/.travis.yml
index 9341639..fb080b9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,14 +2,7 @@ language: go
 
 sudo: false
 
-install:
-  - cd "${HOME}"
-  - wget -O libgit2-0.22.1.tar.gz https://github.com/libgit2/libgit2/archive/v0.22.1.tar.gz
-  - tar -xzvf libgit2-0.22.1.tar.gz
-  - cd libgit2-0.22.1 && mkdir build && cd build
-  - cmake -DTHREADSAFE=ON -DBUILD_CLAR=OFF -DCMAKE_C_FLAGS=-fPIC -DCMAKE_BUILD_TYPE="RelWithDebInfo" -DCMAKE_INSTALL_PREFIX=/usr/local .. && make && sudo make install
-  - sudo ldconfig
-  - cd "${TRAVIS_BUILD_DIR}"
+install: ./script/install-libgit2.sh
 
 go:
   - 1.1
diff --git a/script/install-libgit2.sh b/script/install-libgit2.sh
new file mode 100644
index 0000000..a6c3202
--- /dev/null
+++ b/script/install-libgit2.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+#
+# Install libgit2 to git2go in dynamic mode on Travis
+#
+
+set -ex
+
+# We don't want to build libgit2 on the next branch, as we carry a
+# submodule with the exact version we support
+if [ "x$TRAVIS_BRANCH" = "xnext" ]; then
+    exit 0
+fi
+
+cd "${HOME}"
+wget -O libgit2-0.22.3.tar.gz https://github.com/libgit2/libgit2/archive/v0.22.1.tar.gz
+tar -xzvf libgit2-0.22.3.tar.gz
+cd libgit2-0.22.1 && mkdir build && cd build
+cmake -DTHREADSAFE=ON -DBUILD_CLAR=OFF -DCMAKE_BUILD_TYPE="RelWithDebInfo" .. && make && sudo make install
+sudo ldconfig
+cd "${TRAVIS_BUILD_DIR}"