travis: Add Stack and GHC 8.8

.gitignore

@@ -1,5 +1,15 @@
+dist
+dist-*
+cabal-dev
 *.o
 *.hi
+*.hie
+*.chi
+*.chs.h
+*.dyn_o
+*.dyn_hi
+.hpc
+.hsenv
 .cabal-sandbox
 cabal.sandbox.config
 connect-test
@@ -8,3 +18,13 @@ simple-proxy
 testsuite
 request-rewrite-proxy
 spellTmp.bak
+*.prof
+*.aux
+*.hp
+*.eventlog
+.stack-work/
+cabal.project.local
+cabal.project.local~
+.HTF/
+.ghc.environment.*
+*.yaml.lock

.travis.yml

@@ -1,31 +1,41 @@
-sudo: required
-language: c
+---
+language: haskell
+cabal: "3.4"
 
 os: linux
 dist: xenial
 
-env:
- - GHCVER=8.0.2
- - GHCVER=8.2.2
- - GHCVER=8.4.4
- - GHCVER=8.6.4
+# Caching so the next build will be fast too.
+cache:
+  directories:
+    - $HOME/.stack
+    - $TRAVIS_BUILD_DIR/.stack-work
 
 before_install:
- - sudo add-apt-repository -y ppa:hvr/ghc
- - sudo apt-get update
- - sudo apt-get install cabal-install-1.24 ghc-$GHCVER
- - export PATH=/opt/cabal/bin:/opt/ghc/$GHCVER/bin:$PATH
+  # Download and unpack the stack executable
+  - mkdir -p ~/.local/bin
+  - export PATH=$HOME/.local/bin:$PATH
+  - >
+    travis_retry curl -L https://get.haskellstack.org/stable/linux-x86_64.tar.gz
+    | tar xz --wildcards --strip-components=1 -C ~/.local/bin '*/stack'
+  # Configure stack to use the system GHC installation
+  - stack config set system-ghc --global true
 
-install:
- - cabal-1.24 update
- - cabal-1.24 install --only-dependencies --enable-tests
-
-script:
- - cabal-1.24 configure --enable-tests
- - cabal-1.24 build
- - dist/build/test/test
- - dist/build/test-io/test-io
- - cabal-1.24 haddock
- - cabal-1.24 sdist
+install: [cabal install --only-dependencies]
 
+after_script:
+  - cabal haddock
+  - cabal sdist
+  - stack --no-terminal test
 
+jobs:
+  include:
+    - ghc: "8.0"
+      env: STACK_YAML=stack-8.0.yaml
+    - ghc: "8.2"
+      env: STACK_YAML=stack-8.2.yaml
+    - ghc: "8.4"
+      env: STACK_YAML=stack-8.4.yaml
+    - ghc: "8.6"
+      env: STACK_YAML=stack-8.6.yaml
+    - ghc: "8.8"

http-proxy.cabal

@@ -40,27 +40,27 @@ library
                         Network.HTTP.Proxy.Request
 
   build-depends:        base                    >= 4           && < 5
-                      , async                   == 2.2.*
+                      , async                   >= 2.0.2       && < 2.3
                       , blaze-builder           == 0.4.*
                       , bytestring              == 0.10.*
-                      , bytestring-lexing       == 0.5.*
+                      , bytestring-lexing       >= 0.4.3.3     && < 0.6
                       , case-insensitive        == 1.2.*
-                      , conduit                 == 1.3.*
-                      , conduit-extra           == 1.3.*
-                      , http-client             == 0.6.*
-                      , http-conduit            == 2.3.*
-                      , http-types              == 0.12.*
-                      , mtl                     == 2.2.*
-                      , network                 == 2.8.*
-                      , resourcet               == 1.2.*
-                      , streaming-commons       == 0.2.*
-                      , tls                     == 1.4.*
+                      , conduit                 >= 1.2.5       && < 1.4
+                      , conduit-extra           >= 1.1.9.1     && < 1.4
+                      , http-client             >= 0.5.7.1     && < 0.7
+                      , http-conduit            >= 2.2.4       && < 2.4
+                      , http-types              >= 0.8.6       && < 0.13
+                      , mtl                     >= 2.1.3.1     && < 2.3
+                      , network                 >= 2.6.2.1     && < 3.2
+                      , resourcet               >= 1.1.6       && < 1.3
+                      , streaming-commons       >= 0.1.12.1    && < 0.3
+                      , tls                     >= 1.2.18      && < 1.6
                       , text                    == 1.2.*
                       , transformers            == 0.5.*
-                      , wai                     == 3.2.*
+                      , wai                     >= 3.0.3.0     && < 3.3
                       , wai-conduit             == 3.0.*
-                      , warp                    == 3.2.*
-                      , warp-tls                == 3.2.*
+                      , warp                    >= 3.0.13.1    && < 3.4
+                      , warp-tls                >= 3.0.4.2     && < 3.3
 
 
 

stack-8.0.yaml

@@ -0,0 +1,2 @@
+---
+resolver: lts-9.21

stack-8.2.yaml

@@ -0,0 +1,2 @@
+---
+resolver: lts-11.22

stack-8.4.yaml

@@ -0,0 +1,2 @@
+---
+resolver: lts-12.26

stack-8.6.yaml

@@ -0,0 +1,2 @@
+---
+resolver: lts-14.27

stack.yaml

@@ -2,4 +2,4 @@ flags: {}
 packages:
 - '.'
 extra-deps: []
-resolver: lts-2.21
+resolver: lts-16.20