Fix building the binary on appveyor, and have it create an artifact.

Signed-off-by: Daniel Nephin <dnephin@docker.com>

script/build-osx

@@ -9,7 +9,7 @@ rm -rf venv
 virtualenv -p /usr/local/bin/python venv
 venv/bin/pip install -r requirements.txt
 venv/bin/pip install -r requirements-build.txt
-venv/bin/pip install .
+venv/bin/pip install --no-deps .
 venv/bin/pyinstaller docker-compose.spec
 mv dist/docker-compose dist/docker-compose-Darwin-x86_64
 dist/docker-compose-Darwin-x86_64 version

script/build-windows.ps1

@@ -13,12 +13,21 @@ Get-ChildItem -Recurse -Include *.pyc | foreach ($_) { Remove-Item $_.FullName }
 virtualenv .\venv
 
 # Install dependencies
-.\venv\Scripts\easy_install "http://sourceforge.net/projects/pywin32/files/pywin32/Build%20219/pywin32-219.win32-py2.7.exe/download"
+.\venv\Scripts\pip install pypiwin32==219
 .\venv\Scripts\pip install -r requirements.txt
-.\venv\Scripts\pip install -r requirements-build.txt
-.\venv\Scripts\pip install .
+.\venv\Scripts\pip install --no-deps .
+
+# TODO: pip warns when installing from a git sha, so we need to set ErrorAction to
+# 'Continue'.  See
+# https://github.com/pypa/pip/blob/fbc4b7ae5fee00f95bce9ba4b887b22681327bb1/pip/vcs/git.py#L77
+# This can be removed once pyinstaller 3.x is released and we upgrade 
+$ErrorActionPreference = "Continue"
+.\venv\Scripts\pip install --allow-external pyinstaller -r requirements-build.txt
 
 # Build binary
+# pyinstaller has lots of warnings, so we need to run with ErrorAction = Continue
 .\venv\Scripts\pyinstaller .\docker-compose.spec
+$ErrorActionPreference = "Stop"
+
 Move-Item -Force .\dist\docker-compose .\dist\docker-compose-Windows-x86_64.exe
 .\dist\docker-compose-Windows-x86_64.exe --version