From fdd8ffb39098e38c0179dd647f05b846012f10a2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Gr=C3=B6ber?= <dxld@darkboxed.org>
Date: Wed, 1 Mar 2017 03:39:23 +0100
Subject: [PATCH] ci: Use custom images to cover GHC 7.6-8.0

---
 .gitlab-ci.yml    | 60 +++++++++++++++++++++++++----------
 scripts/docker.sh | 80 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 124 insertions(+), 16 deletions(-)
 create mode 100755 scripts/docker.sh

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5c690f7..0beac30 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,20 +1,22 @@
 stages:
   - build
 
-before_script:
-  - cabal update
-  - mkdir -p ../ghc-mod.sdist
-  - ls -l ..
-  - touch ChangeLog
-  - cabal sdist --output-directory=../ghc-mod.sdist
-  - rm -f cabal.sandbox.config && cabal sandbox init
-  - cp cabal.sandbox.config ../ghc-mod.sdist
-  - cd ../ghc-mod.sdist
+.before_script_template: &common_before_script
+  before_script:
+    - ls -l ..
+    - apt-get update && apt-get install alex happy
+    - mkdir -p ../ghc-mod.sdist-$CI_PIPELINE_ID
+    - touch ChangeLog
+    - cabal update
+    - cabal sdist --output-directory=../ghc-mod.sdist-$CI_PIPELINE_ID
+    - cd ../ghc-mod.sdist-$CI_PIPELINE_ID
 
 after_script:
-  - rm -rf  "$CI_PROJECT_DIR"/../ghc-mod.sdist
+  - cd "$CI_PROJECT_DIR"
+  - ghc-pkg list | tee packages.list
+  - rm -rf  "$CI_PROJECT_DIR"/../ghc-mod.sdist-$CI_PIPELINE_ID
 
-.job_template: &common_script
+.script_template: &common_script
   script:
     - echo $PWD
     - ghc-pkg list
@@ -23,24 +25,50 @@ after_script:
     - cabal --version
     - cabal configure --enable-tests
     - cabal build -j2
-    - ghc-pkg list
     - which cabal
     - cabal --version
     - ./dist/build/spec/spec
     - ./dist/build/doctest/doctest
     - cabal haddock
 
-job-ghc801:
-  image: haskell:8.0.1
+.artifacts_template: &common_artifacts
+  artifacts:
+    paths:
+      - packages.list
+      - ~/.cabal/logs
+    when: always
+
+job-ghc800:
+  image: registry.gitlab.com/dxld/ghc-mod:ghc8.0.2-cabal-install1.24.0.2
   stage: build
+  <<: *common_before_script
   <<: *common_script
+  <<: *common_artifacts
 
 job-ghc710:
-  image: haskell:7.10.3
+  image: registry.gitlab.com/dxld/ghc-mod:ghc7.10.3-cabal-install1.22.8.0
   stage: build
+  <<: *common_before_script
   <<: *common_script
+  <<: *common_artifacts
 
 job-ghc708:
-  image: haskell:7.8.4
+  image: registry.gitlab.com/dxld/ghc-mod:ghc7.8.4-cabal-install1.18.1.0
   stage: build
+  <<: *common_before_script
   <<: *common_script
+  <<: *common_artifacts
+
+
+job-ghc706:
+  image: registry.gitlab.com/dxld/ghc-mod:ghc7.6.3-cabal-install1.18.1.0
+  stage: build
+  before_script:
+    - cabal update
+    - cabal install alex
+    - cabal install happy
+    - cp ~/.cabal/bin/{alex,happy} /usr/local/bin
+    - rm -rf ~/.cabal/{bin,lib,libexec,setup-exe-cache,share,store} ~/.ghc
+  allow_failure: true
+  <<: *common_script
+  <<: *common_artifacts
\ No newline at end of file
diff --git a/scripts/docker.sh b/scripts/docker.sh
new file mode 100755
index 0000000..7140529
--- /dev/null
+++ b/scripts/docker.sh
@@ -0,0 +1,80 @@
+#!/bin/sh
+
+namespace="registry.gitlab.com/dxld/ghc-mod"
+target="$1"
+
+tmpdir=$(mktemp -p "${TMPDIR:-/tmp/}" -d ghc-mod-docker-XXXX) || exit 1
+trap 'rm -r '"$tmpdir" 0 2 15
+
+while read ghc ghc_arch ghc_ext cabal image ghc_hash cabal_hash; do
+    [ -n "$target" -a x"$ghc" != x"$target" ] && continue
+
+    ghc_url="https://downloads.haskell.org/~ghc/$ghc/ghc-${ghc}-${ghc_arch}.tar.${ghc_ext}"
+    cabal_install_url="https://www.haskell.org/cabal/release/cabal-install-${cabal}/cabal-install-${cabal}.tar.gz"
+
+    ADDITIONAL_COMMANDS=""
+    WGET_OPTIONS=""
+
+    if [ x"$image" = x"debian:squeeze" ]; then
+        WGET_OPTIONS="--no-check-certificate"
+        GHC_VERIFY_COMMANDS="sha256sum -c ghc.sha256sum &&"
+        CABAL_VERIFY_COMMANDS="sha256sum -c cabal.sha256sum &&"
+        ADDITIONAL_PACKAGES=" libncursesw5"
+        ADDITIONAL_COMMANDS='COPY sources.list /etc/apt/
+COPY 10-no-check-valid-until /etc/apt/apt.conf.d/
+COPY *.sha256sum /root/
+'
+
+        echo "$ghc_hash  ghc-${ghc}-${ghc_arch}.tar.${ghc_ext}" \
+            | cat > "$tmpdir"/ghc.sha256sum
+        echo "$cabal_hash  cabal-install-${cabal}.tar.gz" \
+            | cat > "$tmpdir"/cabal.sha256sum
+
+        cat > "$tmpdir"/sources.list <<EOF
+deb http://archive.debian.org/debian-archive/debian/ squeeze main
+deb http://archive.debian.org/debian-archive/debian/ squeeze-lts main
+#deb http://snapshot.debian.org/archive/debian-security/20160216T165545Z/ squeeze/updates main
+EOF
+        cat > "$tmpdir"/10-no-check-valid-until <<EOF
+Acquire::Check-Valid-Until "0";
+EOF
+    fi
+
+    cat > "$tmpdir"/Dockerfile <<EOF
+FROM $image
+ARG GHC_VER
+ARG GHC_URL
+ARG CABAL_INSTALL_URL
+
+## ensure locale is set during build
+ENV LANG C.UTF-8
+
+WORKDIR /root
+
+$ADDITIONAL_COMMANDS
+
+RUN apt-get update && apt-get upgrade && \
+    apt-get install -y --no-install-recommends \
+      wget xz-utils gpgv ca-certificates build-essential libgmp3-dev zlib1g-dev $ADDITIONAL_PACKAGES && \
+    apt-get clean
+RUN wget -nv $WGET_OPTIONS "\$GHC_URL" && $GHC_VERIFY_COMMANDS \
+    tar -xf ghc-*.tar.* && \
+    cd ghc-* && ./configure --prefix=/usr/local && make install && cd .. && \
+    rm -r ghc-*
+RUN wget -nv $WGET_OPTIONS "\$CABAL_INSTALL_URL" && $CABAL_VERIFY_COMMANDS \
+    tar -xf cabal-install-*.tar.* && \
+    cd cabal-install-* && ./bootstrap.sh --global && cd .. && \
+    rm -r cabal-*
+EOF
+
+    docker build \
+           --build-arg GHC_URL="$ghc_url" \
+           --build-arg CABAL_INSTALL_URL="$cabal_install_url" \
+           -t "${namespace}:ghc${ghc}-cabal-install${cabal}" \
+           "$tmpdir"
+done <<EOF
+8.0.2  x86_64-deb8-linux         xz  1.24.0.2  debian:jessie
+7.10.3 x86_64-deb8-linux         xz  1.22.8.0  debian:jessie
+7.8.4  x86_64-unknown-linux-deb7 xz  1.18.1.0  debian:jessie
+7.6.3  x86_64-unknown-linux      bz2 1.18.1.0  debian:squeeze 398dd5fa6ed479c075ef9f638ef4fc2cc0fbf994e1b59b54d77c26a8e1e73ca0 d6abb6fef8204780a41aff2e93dfa297883673507cec557348aebf6b37843ae4
+EOF