From 3ee46c59bee293c322ed3679321d8a7e22d70dce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gr=C3=A9goire=20Henry?= <gregoire.henry@tezos.com>
Date: Wed, 6 Dec 2017 23:03:27 +0100
Subject: [PATCH] CI: add support for opam2-beta5

---
 .gitlab-ci.yml                              | 18 ++++++-
 scripts/Dockerfile.alpine.opam2.in          | 60 +++++++++++++++++++++
 scripts/create_docker_image.alpine.opam2.sh | 33 ++++++++++++
 3 files changed, 110 insertions(+), 1 deletion(-)
 create mode 100644 scripts/Dockerfile.alpine.opam2.in
 create mode 100755 scripts/create_docker_image.alpine.opam2.sh

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cbc7101ec..86be2085d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -25,7 +25,7 @@ stages:
 
 ## Prepare docker image with precompiled OCaml/opam
 
-prepare:
+prepare:opam:
   <<: *dind_definition
   stage: prepare
   only:
@@ -41,6 +41,22 @@ prepare:
                  "tezos/opam:latest"
     - docker push "tezos/opam:latest"
 
+prepare:opam2:
+  <<: *dind_definition
+  stage: prepare
+  only:
+    - schedules
+  before_script:
+    - . ./scripts/version.sh
+  script:
+    - ./scripts/create_docker_image.alpine.opam2.sh
+    - mkdir ~/.docker || true
+    - echo "$CI_DOCKER_AUTH" > ~/.docker/config.json ;
+    - docker push "tezos/opam2:alpine-${alpine_version}_ocaml-${ocaml_version}"
+    - docker tag "tezos/opam2:alpine-${alpine_version}_ocaml-${ocaml_version}"
+                 "tezos/opam2:latest"
+    - docker push "tezos/opam2:latest"
+
 ## Tezos
 
 build:
diff --git a/scripts/Dockerfile.alpine.opam2.in b/scripts/Dockerfile.alpine.opam2.in
new file mode 100644
index 000000000..3d8a92d86
--- /dev/null
+++ b/scripts/Dockerfile.alpine.opam2.in
@@ -0,0 +1,60 @@
+## Based on https://github.com/ocaml/opam-dockerfiles
+
+FROM alpine:$alpine_version
+
+RUN apk update && apk upgrade && \
+    apk add build-base snappy-dev abuild alpine-sdk \
+            openssh bash nano ncurses-dev rsync xz m4 \
+            ocaml \
+            gmp-dev libev-dev libressl-dev linux-headers pcre-dev perl zlib-dev \
+            libsodium-dev && \
+    rm -f /var/cache/apk/* && \
+    adduser -S opam && \
+    adduser opam abuild && \
+    echo 'opam ALL=(ALL:ALL) NOPASSWD:ALL' > /etc/sudoers.d/opam && \
+    chmod 440 /etc/sudoers.d/opam && \
+    chown root:root /etc/sudoers.d/opam && \
+    sed -i.bak 's/^Defaults.*requiretty//g' /etc/sudoers
+
+USER opam
+
+WORKDIR /home/opam
+
+RUN mkdir ~/.ssh && \
+    chmod 700 ~/.ssh && \
+    git config --global user.email "docker@example.com" && \
+    git config --global user.name "Docker CI" && \
+    cd /home/opam && \
+    git clone -b "$opam_tag" git://github.com/ocaml/opam  && \
+    cd /home/opam/opam && \
+    ./configure --prefix /usr && \
+    make lib-ext && \
+    make opam && \
+    sudo cp -L opam /usr/bin/opam && \
+    cd /home/opam && \
+    sudo -u opam sh -c "git clone -b master git://github.com/ocaml/opam-repository" && \
+    cd opam-repository && \
+    sudo -u opam sh -c "cd /home/opam/opam-repository && opam admin upgrade && git checkout -b v2 && git add . && git commit -a -m 'opam admin upgrade'" && \
+    sudo -u opam sh -c "opam init -a -y --comp $ocaml_version /home/opam/opam-repository" && \
+    sudo -u opam sh -c "opam install -y depext travis-opam" && \
+    cd /home/opam/opam && \
+    make opam-installer && \
+    sudo cp -L opam-installer /usr/bin/opam-installer && \
+    rm -r /home/opam/opam
+
+COPY scripts/leveldb-1.18.APKBUILD /home/opam/leveldb-1.18/APKBUILD
+RUN sudo chown -R opam leveldb-1.18
+
+RUN sudo apk update && \
+    abuild-keygen -ai && \
+    cd leveldb-1.18 && \
+    abuild checksum && abuild -r && \
+    cd .. && \
+    sudo apk add packages/opam/x86_64/leveldb-1.18-r0.apk && \
+    sudo apk add packages/opam/x86_64/leveldb-dev-1.18-r0.apk && \
+    rm -rf leveldb-1.18 packages && \
+    sudo rm -f /var/cache/apk/*
+
+ENTRYPOINT [ "opam", "config", "exec", "--" ]
+
+CMD [ "sh" ]
diff --git a/scripts/create_docker_image.alpine.opam2.sh b/scripts/create_docker_image.alpine.opam2.sh
new file mode 100755
index 000000000..f73901f6c
--- /dev/null
+++ b/scripts/create_docker_image.alpine.opam2.sh
@@ -0,0 +1,33 @@
+#! /bin/sh
+
+set -e
+
+script_dir="$(cd "$(dirname "$0")" && echo "$(pwd -P)/")"
+src_dir="$(dirname "$script_dir")"
+cd "$src_dir"
+
+. scripts/version.sh
+image_name="${1:-tezos/opam2}"
+image_version="${2:-alpine-${alpine_version}_ocaml-${ocaml_version}}"
+
+cleanup () {
+    set +e
+    echo Cleaning up...
+    rm -rf Dockerfile
+}
+trap cleanup EXIT INT
+
+opam_tag=2.0.0-beta5
+
+sed scripts/Dockerfile.alpine.opam2.in \
+    -e 's|$alpine_version|'"$alpine_version"'|g' \
+    -e 's|$ocaml_version|'"$ocaml_version"'|g' \
+    -e 's|$opam_tag|'"$opam_tag"'|g' > Dockerfile
+
+echo
+echo "### Building base image..."
+echo
+
+docker build --pull -t "$image_name:$image_version" .
+
+rm Dockerfile