[tor-commits] [bridgedb/master] Add install-dependencies script and use it for .travis.yml install.

[isis at torproject.org]

commit dc30f7572d8da06377ec8029ccc58f3bde54ea48
Author: Isis Lovecruft <isis at torproject.org>
Date:   Thu Mar 26 05:26:06 2015 +0000

    Add install-dependencies script and use it for .travis.yml install.
---
 .travis.yml                  |    4 +---
 scripts/install-dependencies |   40 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 41 insertions(+), 3 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 75f8857..7cda131 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -59,9 +59,7 @@ before_install:
   - chmod -R og-w $PYTHON_EGG_CACHE
 
 install:
-  - sudo apt-get install -qq --no-install-suggests --no-install-recommends build-essential openssl sqlite3 python-dev python-setuptools libgeoip-dev geoip-database
-  - pip install -q --no-use-wheel -r .travis.requirements.txt
-  - pip install -q --no-use-wheel Twisted==$TWISTED_VERSION pyOpenSSL==$PYOPENSSL_VERSION
+  - TWISTED_VERSION=$TWISTED_VERSION PYOPENSSL_VERSION=$PYOPENSSL_VERSION ./scripts/install-dependencies
   - make install
 
 # Start a BridgeDB instance before running the tests:
diff --git a/scripts/install-dependencies b/scripts/install-dependencies
new file mode 100755
index 0000000..0093700
--- /dev/null
+++ b/scripts/install-dependencies
@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+
+set -x --
+
+SUDO=
+APT_GET=$(which apt-get)
+APT_FLAGS='-q --no-install-suggests --no-install-recommends'
+PIP=$(which pip)
+PIP_FLAGS='--no-use-wheel'
+DEPENDS="build-essential openssl sqlite3 python-dev python-setuptools"
+DEPENDS="${DEPENDS} libgeoip-dev geoip-database libjpeg-dev"
+HERE=$(dirname $0)
+
+if [ "$EUID" != "0" ] ; then SUDO=$(which sudo); fi
+# pip is pre-installed on Travis-CI machines in their Python environment, so
+# we should avoid reinstalling it (as that might do odd things to the
+# virtualenv that we're already inside):
+if [ "$TRAVIS" == "true" ] ; then
+    DEPENDS="${DEPENDS} realpath"
+else
+    DEPENDS="${DEPENDS} python-pip"
+fi
+    
+MISSING=""
+for dep in $DEPENDS ; do
+    if ! test "$(dpkg -l $dep | grep \"ii  $dep\")" ; then
+        MISSING="${MISSING} $dep"
+    fi
+done
+
+$SUDO $APT_GET install ${APT_FLAGS} ${MISSING}
+
+# When running on Travis, be sure that environment variables are passed from
+# .travis.yml to this script:
+if [ "$TRAVIS" == "true" ] ; then
+    $PIP install $PIP_FLAGS -r "$HERE/../.travis.requirements.txt"
+    $PIP install $PIP_FLAGS "Twisted==$TWISTED_VERSION" "pyOpenSSL==$PYOPENSSL_VERSION"
+else
+    $PIP install $PIP_FLAGS -r "$HERE/../requirements.txt"
+fi