before_deploy doesn’t run unless something is going to be deployed

.travis.yml

@@ -41,6 +41,9 @@ script:
 - pytest
 - mv dont_import_this_ocrmypdf ocrmypdf
 
+after_success:
+- if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then bash .travis/osx_before_deploy.sh ; fi
+
 # See https://www.appneta.com/blog/pypi-deployment-with-travis-ci/ for
 # steps to set up testpypi deploy for untagged builds if desired
 

.travis/autobrew.py

@@ -0,0 +1,66 @@
+from string import Template
+from subprocess import run, PIPE
+import re
+
+recipe_template = Template("""
+class Ocrmypdf < Formula
+  include Language::Python::Virtualenv
+
+  desc "Adds an OCR text layer to scanned PDF files"
+  homepage "https://github.com/jbarlow83/OCRmyPDF"
+  ${ocrmypdf_url}
+  ${ocrmypdf_sha256}
+
+  depends_on :python3
+  depends_on "tesseract"
+  depends_on "ghostscript"
+  depends_on "unpaper"
+  depends_on "qpdf"
+
+${poet_resources}
+
+  def install
+    ENV.append ["SETUPTOOLS_SCM_PRETEND_VERSION"], "v${ocrmypdf_version}"
+    ENV.each do |key, value|
+      puts "#{key}:#{value}"
+    end
+    virtualenv_install_with_resources
+  end
+
+  test do
+    # `test do` will create, run in and delete a temporary directory.
+    #
+    # This test will fail and we won't accept that! It's enough to just replace
+    # "false" with the main program this formula installs, but it'd be nice if you
+    # were more thorough. Run the test with `brew test OCRmyPDF`. Options passed
+    # to `brew install` such as `--HEAD` also need to be provided to `brew test`.
+    #
+    # The installed folder is not in the path, so use the entire path to any
+    # executables being tested: `system "#{bin}/program", "do", "something"`.
+    system "#{bin}/ocrmypdf", "--version"
+  end
+end
+""")
+
+def main():
+    p = run(['poet', '--single', 'ocrmypdf'],
+            encoding='utf-8', stdout=PIPE, check=True)
+
+    ocrmypdf_lines = p.stdout.splitlines()
+    ocrmypdf_url = ocrmypdf_lines[1].strip()
+    ocrmypdf_sha256 = ocrmypdf_lines[2].strip()
+
+    ocrmypdf_version = re.search(
+        r'ocrmypdf-(.+)\.tar.*', ocrmypdf_url).group(1)
+    print(f"Autobrewing {ocrmypdf_version}")
+
+    p = run(['poet', '--resources', 'ocrmypdf'],
+            encoding='utf-8', stdout=PIPE, check=True)
+
+    poet_resources = p.stdout
+    with open('ocrmypdf.rb', 'w') as out:
+        out.write(recipe_template.substitute(**locals()))
+
+
+if __name__ == '__main__':
+    main()

.travis/linux_before_install.sh

@@ -1,4 +1,6 @@
 #!/bin/bash
+set -euo pipefail
+set -x
 
 sudo add-apt-repository ppa:vshn/ghostscript -y
 sudo add-apt-repository ppa:heyarje/libav-11 -y
@@ -19,4 +21,4 @@ sudo apt-get install -y \
 pip install --upgrade pip
 mkdir -p packages
 [ -f packages/unpaper_6.1-1.deb ] || wget -q https://dl.dropboxusercontent.com/u/28971240/unpaper_6.1-1.deb -O packages/unpaper_6.1-1.deb
-sudo dpkg -i packages/unpaper_6.1-1.deb
+sudo dpkg -i packages/unpaper_6.1-1.deb

.travis/osx_before_deploy.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+set -euo pipefail
+set -x
+
+pip3 install homebrew-pypi-poet
+python3 .travis/autobrew.py
+brew audit ocrmypdf.rb
+cat ocrmypdf.rb

.travis/osx_before_install.sh

@@ -1,8 +1,10 @@
 #!/bin/bash
+set -euo pipefail
+set -x
 
 brew update
 
-brew install libpng openjpeg jbig2dec libtiff     # image libraries
+brew install openjpeg jbig2dec libtiff     # image libraries
 brew install qpdf
 brew install ghostscript
 brew install python3
@@ -11,4 +13,4 @@ brew install unpaper   # optional
 brew install tesseract
 
 pip3 install --upgrade pip
-pip3 install wheel
+pip3 install wheel

.travis/osx_brew.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+set -euo pipefail
+set -x
+
+pip3 install homebrew-pypi-poet
+python3 .travis/autobrew.py
+brew audit ocrmypdf.rb
+cat ocrmypdf.rb