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Make use of Travis' folder cache for build-deps
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hvr committed Aug 13, 2015
1 parent 9581190 commit f2e242a
Showing 1 changed file with 56 additions and 11 deletions.
67 changes: 56 additions & 11 deletions .travis.yml
@@ -1,37 +1,81 @@
# This file has been generated
# This file has been generated -- see https://github.com/hvr/multi-ghc-travis
language: c

sudo: false

cache:
directories:
- $HOME/.cabsnap
- $HOME/.cabal/packages

before_cache:
- rm -fv $HOME/.cabal/packages/hackage.haskell.org/build-reports.log
- rm -fv $HOME/.cabal/packages/hackage.haskell.org/00-index.tar.gz

matrix:
include:
- env: CABALVER=1.16 GHCVER=7.4.2
compiler: ": #GHC 7.4.2"
addons: {apt: {packages: [cabal-install-1.16,ghc-7.4.2,alex-3.1.4,happy-1.19.5], sources: [hvr-ghc]}}
- env: CABALVER=1.16 GHCVER=7.6.3
compiler: ": #GHC 7.6.3"
addons: {apt: {packages: [cabal-install-1.16,ghc-7.6.3,alex-3.1.4,happy-1.19.5], sources: [hvr-ghc]}}
- env: CABALVER=1.18 GHCVER=7.8.4
compiler: ": #GHC 7.8.4"
addons: {apt: {packages: [cabal-install-1.18,ghc-7.8.4,alex-3.1.4,happy-1.19.5], sources: [hvr-ghc]}}
- env: CABALVER=1.22 GHCVER=7.10.1
compiler: ": #GHC 7.10.1"
addons: {apt: {packages: [cabal-install-1.22,ghc-7.10.1,alex-3.1.4,happy-1.19.5], sources: [hvr-ghc]}}

before_install:
- unset CC
- export HAPPYVER=1.19.5
- export ALEXVER=3.1.4
- export PATH=~/.cabal/bin:/opt/ghc/$GHCVER/bin:/opt/cabal/$CABALVER/bin:/opt/happy/$HAPPYVER/bin:/opt/alex/$ALEXVER/bin:$PATH
- travis_retry cabal update
- if [ "$CABALVER" = "1.22" ]; then cabal install Cabal-1.22.4.0; fi
- cabal --version
- echo "$(ghc --version) [$(ghc --print-project-git-commit-id 2> /dev/null || echo '?')]"

install:
# build reflection HEAD until reflection 2.1 is on hackage
- git clone https://github.com/ekmett/reflection.git
- cd reflection
- cabal install
- cd ..
- cabal install --enable-tests --dry -v
- cabal install --only-dependencies --enable-tests

- cabal --version
- echo "$(ghc --version) [$(ghc --print-project-git-commit-id 2> /dev/null || echo '?')]"
- if [ -f $HOME/.cabal/packages/hackage.haskell.org/00-index.tar.gz ];
then
zcat $HOME/.cabal/packages/hackage.haskell.org/00-index.tar.gz >
$HOME/.cabal/packages/hackage.haskell.org/00-index.tar;
fi
- travis_retry cabal update
- sed -i 's/^jobs:/-- jobs:/' ${HOME}/.cabal/config
- cabal install --only-dependencies --enable-tests --dry -v lens.cabal reflection/ > installplan.txt
- sed -i -e '1,/^Resolving /d' installplan.txt; cat installplan.txt

# check whether current requested install-plan matches cached package-db snapshot
- if diff -u installplan.txt $HOME/.cabsnap/installplan.txt;
then
echo "cabal build-cache HIT";
rm -rfv .ghc;
cp -av $HOME/.cabsnap/ghc $HOME/.ghc;
cp -av $HOME/.cabsnap/lib $HOME/.cabsnap/share $HOME/.cabsnap/bin $HOME/.cabal/;
else
echo "cabal build-cache MISS";
rm -rf $HOME/.cabsnap;
mkdir -p $HOME/.ghc $HOME/.cabal/lib $HOME/.cabal/share $HOME/.cabal/bin;
cabal install --only-dependencies --enable-tests lens.cabal reflection/;
# Hack for GHC 7.10.1
if [ "$GHCVER" = "7.10.1" ]; then cabal install Cabal-1.22.4.0; fi;
fi

# snapshot package-db on cache miss
- if [ ! -d $HOME/.cabsnap ];
then
echo "snapshotting package-db to build-cache";
mkdir $HOME/.cabsnap;
cp -av $HOME/.ghc $HOME/.cabsnap/ghc;
cp -av $HOME/.cabal/lib $HOME/.cabal/share $HOME/.cabal/bin installplan.txt $HOME/.cabsnap/;
fi

# NB: we don't want reflection/ to be included in the cache
- cabal install reflection/

# Here starts the actual work to be performed for the package under test;
# any command which exits with a non-zero exit code causes the build to fail.
script:
Expand All @@ -53,3 +97,4 @@ notifications:
skip_join: true
template:
- "\x0313lens\x0f/\x0306%{branch}\x0f \x0314%{commit}\x0f %{message} \x0302\x1f%{build_url}\x0f"
# EOF

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