[tor-commits] [tor/maint-0.2.9] Travis: use the Homebrew addon

[nickm@xxxxxxxxxxxxxx]

commit e8c7d7d3be2a281954294fe5738dfd2aa72357e7
Author: teor <teor@xxxxxxxxxxxxxx>
Date:   Tue Sep 18 19:26:54 2018 +1000

    Travis: use the Homebrew addon
    
    Use the Travis Homebrew addon to install packages on macOS. The package
    list is the same, but the Homebrew addon does not do a `brew update` by
    default.
    
    This makes builds faster, at the cost of using slightly older packages.
    
    Implements ticket 27738.
---
 .travis.yml         | 49 ++++++++++++++++++++++++++++---------------------
 changes/ticket27738 |  4 ++++
 2 files changed, 32 insertions(+), 21 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 06db583e1..939f4f4e9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -85,55 +85,62 @@ sudo:
 ## (Linux only) Use the latest Linux image (Ubuntu Trusty)
 dist: trusty
 
-## (Linux only) Download our dependencies
+## Download our dependencies
 addons:
+  ## (Linux only)
   apt:
     packages:
       ## Required dependencies
       - libevent-dev
+      ## Ubuntu comes with OpenSSL by default
+      #- libssl-dev
       - zlib1g-dev
       ## Optional dependencies
       - libcap-dev
       - libscrypt-dev
       - libseccomp-dev
-      ## Conditional dependencies
+      ## Conditional build dependencies
       ## Always installed, so we don't need sudo
       - asciidoc
       - docbook-xsl
       - docbook-xml
       - xmlto
+  ## (OSX only)
+  homebrew:
+    packages:
+      ## Required dependencies
+      - libevent
+      ## The OSX version of OpenSSL is way too old
+      - openssl
+      ## OSX comes with zlib by default
+      ## to use a newer zlib, pass the keg path to configure (like OpenSSL)
+      #- zlib
+      ## Optional dependencies
+      - libscrypt
+      ## Required build dependencies
+      ## Tor needs pkg-config to find some dependencies at build time
+      - pkg-config
+      ## Optional build dependencies
+      - ccache
+      ## Conditional build dependencies
+      ## Always installed, because manual brew installs are hard to get right
+      - asciidoc
+      - xmlto
 
 ## (OSX only) Use the default OSX image
 ## See https://docs.travis-ci.com/user/reference/osx#os-x-version
 ## Default is Xcode 9.4 on macOS 10.13 as of August 2018
 #osx_image: xcode9.4
 
-before_install:
-  ## If we're on OSX, homebrew usually needs to be updated first
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew update; fi
-  ## We might be upgrading some useless packages, but that's better than missing an upgrade
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew upgrade; fi
-
 install:
-  ## If we're on OSX use brew to install ccache (ccache is automatically installed on Linux)
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install ccache; fi
+  ## If we're on OSX, configure ccache (ccache is automatically installed and configured on Linux)
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then export PATH="/usr/local/opt/ccache/libexec:$PATH"; fi
-  ## If we're on OSX use brew to install required dependencies (for Linux, see the "apt:" section above)
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install libevent; fi
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install openssl; fi
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install pkg-config; fi
-  ## macOS comes with zlib by default, so the homebrew install is keg-only
-  # - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install zlib; fi
-  ## If we're on OSX also install the optional dependencies
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install libscrypt; fi
   ## If we're on OSX, OpenSSL is keg-only, so tor 0.2.9 and later need to be configured --with-openssl-dir= to build
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then OPENSSL_OPTIONS=--with-openssl-dir=`brew --prefix openssl`; fi
   ## Install conditional features
   ## Install coveralls
   - if [[ "$COVERAGE_OPTIONS" != "" ]]; then pip install --user cpp-coveralls; fi
-  ## If we're on OSX, and using asciidoc, install asciidoc
-  - if [[ "$ASCIIDOC_OPTIONS" == "" ]] && [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install asciidoc; fi
-  - if [[ "$ASCIIDOC_OPTIONS" == "" ]] && [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install xmlto; fi
+  ## If we're on OSX, and using asciidoc, configure asciidoc
   - if [[ "$ASCIIDOC_OPTIONS" == "" ]] && [[ "$TRAVIS_OS_NAME" == "osx" ]]; then export XML_CATALOG_FILES="/usr/local/etc/xml/catalog"; fi
   ##
   ## Finally, list installed package versions
diff --git a/changes/ticket27738 b/changes/ticket27738
new file mode 100644
index 000000000..f23bfb019
--- /dev/null
+++ b/changes/ticket27738
@@ -0,0 +1,4 @@
+  o Minor features (continuous integration):
+    - Use the Travis Homebrew addon to install packages on macOS. The package
+      list is the same, but the Homebrew addon does not do a `brew update` by
+      default. Implements ticket 27738.



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