travis: fix pinning setup (newlines and YAML are complicated)

diff --git a/.travis.yml b/.travis.yml
index fc01df70be5a4631475b05ae1ab5a9734ffd9409..1c801609947d9a1d6690e526c0ee998c4cf8117b 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,10 +7,28 @@ before_install:
   # into a state where we can build a recent version of i3 :(.
   - "echo 'deb http://archive.ubuntu.com/ubuntu/ trusty main universe' | sudo tee /etc/apt/sources.list.d/trusty.list"
   - "echo 'APT::Default-Release \"precise\";' | sudo tee /etc/apt/apt.conf.d/default-release"
-  - "echo -e \"Package: libc6\nPin: release n=trusty\nPin-Priority: 999\" | sudo tee /etc/apt/preferences.d/00-libc6"
-  - "echo -e \"Package: libxkbcommon*\nPin: release n=trusty\nPin-Priority: 999\" | sudo tee /etc/apt/preferences.d/01-xkbcommon"
-  - "echo -e \"Package: libyajl*\nPin: release n=trusty\nPin-Priority: 999\" | sudo tee /etc/apt/preferences.d/02-yajl"
-  - "echo -e \"Package: libxcb-image*\nPin: release n=trusty\nPin-Priority: 999\" | sudo tee /etc/apt/preferences.d/03-xcb-image"
+
+  - "echo 'Package: libc6' > /tmp/pin"
+  - "echo 'Pin: release n=trusty' >> /tmp/pin"
+  - "echo 'Pin-Priority: 999' >> /tmp/pin"
+  - "echo '' >> /tmp/pin"
+
+  - "echo 'Package: libxkbcommon*' >> /tmp/pin"
+  - "echo 'Pin: release n=trusty' >> /tmp/pin"
+  - "echo 'Pin-Priority: 999' >> /tmp/pin"
+  - "echo '' >> /tmp/pin"
+
+  - "echo 'Package: libyajl*' >> /tmp/pin"
+  - "echo 'Pin: release n=trusty' >> /tmp/pin"
+  - "echo 'Pin-Priority: 999' >> /tmp/pin"
+  - "echo '' >> /tmp/pin"
+
+  - "echo 'Package: libxcb-image*' >> /tmp/pin"
+  - "echo 'Pin: release n=trusty' >> /tmp/pin"
+  - "echo 'Pin-Priority: 999' >> /tmp/pin"
+  - "echo '' >> /tmp/pin"
+
+  - sudo cp /tmp/pin /etc/apt/preferences.d/trustypin
   - sudo apt-get update
   - sudo apt-get install -t trusty libc6 libc6-dev
   - sudo apt-get install --no-install-recommends devscripts equivs