fix issue102: change to {toxinidir} when installing packages and dependencies.

this allows to use relative path like in "-rrequirements.txt".

2 files changed, 17 insertions, 4 deletions

diff --git a/doc/example/basic.txt b/doc/example/basic.txt
index 612146d..55b0848 100644
--- a/doc/example/basic.txt
+++ b/doc/example/basic.txt
@@ -44,7 +44,7 @@ Available "default" test environments names are::
 However, you can also create your own test environment names,
 see some of the examples in :doc:`examples <../examples>`.
 
-whitelisting a non-virtualenv commands
+whitelisting non-virtualenv commands
 -----------------------------------------------
 
 .. versionadded:: 1.5
@@ -64,6 +64,21 @@ configuration::
 
 .. _multiindex:
 
+depending on requirements.txt
+-----------------------------------------------
+
+.. versionadded:: 1.6.1
+
+(experimental) If you have a ``requirements.txt`` file
+you can add it to your ``deps`` variable like this::
+
+    deps = -rrequirements.txt 
+
+All installation commands are executed using ``{toxinidir}}``
+(the directory where ``tox.ini`` resides) as the current
+working directory.  Therefore, the underlying ``pip`` installation
+will assume ``requirements.txt`` to exist at ``{toxinidir}/requirements.txt``.
+
 using a different default PyPI url
 -----------------------------------------------
 
diff --git a/doc/example/devenv.txt b/doc/example/devenv.txt
index 8e3f854..571f89c 100644
--- a/doc/example/devenv.txt
+++ b/doc/example/devenv.txt
@@ -57,7 +57,5 @@ Here is example configuration for that::
     envdir = devenv
     basepython = python2.7
     usedevelop = True
-    deps =
-    commands =
-        pip install -r requirements.txt
+    deps = -rrequirements.txt