tools: travis: latest config

.travis.yml

@@ -5,6 +5,9 @@
 # https://raw.githubusercontent.com/commercialhaskell/stack/master/doc/travis-simple.yml
 # https://raw.githubusercontent.com/commercialhaskell/stack/master/doc/travis-complex.yml
 # https://github.com/hvr/multi-ghc-travis#user-content-travisyml-template-for-non-container-based-infrastructure
+# https://docs.travis-ci.com/user/common-build-problems/#Build-times-out-because-no-output-was-received
+# https://github.com/koterpillar/tianbar/blob/master/Dockerfile.base - custom docker image to save time
+# https://github.com/mapnik/mapnik/blob/master/.travis.yml
 #
 # The Build Lifecycle #
 # A build on Travis CI is made up of two steps:
@@ -69,36 +72,55 @@ install: # completed commands' output is collapsed in log
 
   # stack
   - mkdir -p ~/.local/bin
-  - travis_retry curl -L https://www.stackage.org/stack/linux-x86_64 | tar xz --wildcards --strip-components=1 -C ~/.local/bin '*/stack'
-  - chmod a+x ~/.local/bin/stack
   - export PATH=~/.local/bin:$PATH
+  - if [[ ! -x ~/.local/bin/stack ]]; then travis_retry curl -L https://www.stackage.org/stack/linux-x86_64 | tar xz --wildcards --strip-components=1 -C ~/.local/bin '*/stack'; chmod a+x ~/.local/bin/stack; fi
   - stack --version
 
   # GHC
   - stack setup
   - stack exec -- ghc --version
 
-  # hledger dependencies
+  # hledger dependencies, or at least some of them, built separately to reduce memory usage
-  - stack build --only-dependencies --test hledger-lib hledger hledger-ui #hledger-web hledger-api
+  # - stack build --only-dependencies hledger-lib #hledger hledger-ui # --test
-    # TODO: does this build some hledger packages, which get rebuilt later with -Werror ?
+    # TODO does this build hledger-lib & hledger, then rebuild them later with -Werror ?
+  # - stack build cryptohash
+  # - stack build --only-dependencies hledger-web # --test
+  # - stack build --only-dependencies hledger-api # --test
 
   # hledger addon dependencies
-  - stack build Chart Chart-diagrams colour Diff here
+  #- stack build Chart Chart-diagrams colour Diff here
 
   # shelltestrunner, need unreleased installable version
-  #- if [ ! -d shelltestrunner ]; then git clone http://github.com/simonmichael/shelltestrunner; fi
+  #- git clone http://github.com/simonmichael/shelltestrunner
-  - git clone http://github.com/simonmichael/shelltestrunner
+  - if [[ ! -d shelltestrunner ]]; then git clone http://github.com/simonmichael/shelltestrunner; fi
-  - stack install --stack-yaml=shelltestrunner/stack.yaml --resolver=lts-8.6 --install-ghc
+  - if [[ ! -x ~/.local/bin/shelltest ]]; then stack install --stack-yaml=shelltestrunner/stack.yaml --resolver=lts-8.6; fi
   - shelltest --version
 
 script:  # all commands' output is shown in log, all commands must succeed for travis success
 
-  # build hledger packages, ensuring no warnings, no haddock failures, package test suites passing 
+  # build hledger packages, ensuring no warnings, and any deps not already cached, separately to reduce memory
-  - stack build --ghc-options=-Werror --test --haddock --no-haddock-deps hledger-lib hledger hledger-ui #hledger-web hledger-api
+  - stack build --ghc-options=-Werror hledger-lib
+  - stack build --ghc-options=-Werror hledger
+  - stack build --ghc-options=-Werror hledger-ui
+  - stack build --ghc-options=-Werror hledger-web
+  - stack build --ghc-options=-Werror hledger-api
 
+  # run functional tests, skipping the ones for addons
+  - COLUMNS=80 stack exec -- shelltest --execdir -j16 tests -x /bin -x /addons
+
+  # we limit the `make` to 40 min
+  # to ensure that slow builds still upload their
+  # cache results and therefore should be faster
+  # (and might work) for the next build
+  # - DURATION=2400
+  # - scripts/travis-command-wrapper.py -s "date" -i 120 --deadline=$(( $(date +%s) + ${DURATION} )) make
+
+  # build hledger packages, ensuring no warnings, no haddock failures, package test suites passing 
+  #- stack build --ghc-options=-Werror --test --haddock --no-haddock-deps hledger-lib hledger hledger-ui
+  #- stack build --ghc-options=-Werror --test --haddock --no-haddock-deps hledger-web
+  #- stack build --ghc-options=-Werror --test --haddock --no-haddock-deps hledger-api
   # build hledger addons, ensuring no warnings
   #- sh -e bin/compile.sh
-
   # run functional tests
   #- make functest