From 435db78809fb7b22bbcdbd9df45dded44e500510 Mon Sep 17 00:00:00 2001
From: Till Höppner
Date: Thu, 17 Mar 2016 13:15:37 +0100
Subject: Update CI from japaric/rust-everywhere

---
 .travis.yml         | 107 +++++++++++++++++++++++++++++-----------------------
 ci/before_deploy.sh |   5 ++-
 ci/install.sh       |  66 +++++++++++++++++++-------------
 ci/script.sh        |  40 +++++++++++++++-----
 4 files changed, 133 insertions(+), 85 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 8c77d00..113e1b9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,15 +1,6 @@
 sudo: false
 
-language: rust
-
-rust:
-  - stable
-  - beta
-  - nightly
-
-os:
-  - linux
-  - osx
+language: generic
 
 env:
   global:
@@ -17,71 +8,90 @@ env:
     - PROJECT_NAME=ilc
 
 matrix:
-  allow_failures:
-    - rust: beta
-    - rust: nightly
-    - os: osx
-
-  # Clear the whole matrix
-  exclude:
-    - os: linux
-    - os: osx
-    - rust: stable
-    - rust: beta
-    - rust: nightly
-
-  # Add each target manually
-  # pattern shown below
   include:
-    # WARNING Experimental target. Tests are executed using qemu user emulation, but this approach
-    # may have problems when too many threads are spawned. Also, by the next Rust stable release,
-    # this target will be replaced by `armv7-unknown-linux-gnueabihf`.
+    # Stable channel
     - os: linux
-      rust: nightly
-      env: TARGET=arm-unknown-linux-gnueabihf
-      # Extra packages only for this build job
+      env: TARGET=arm-unknown-linux-gnueabihf CHANNEL=stable
+      # Extra packages only for this job
       addons:
         apt:
-          packages:
+          packages: &arm_unknown_linux_gnueabihf
             # Cross compiler and cross compiled C libraries
             - gcc-arm-linux-gnueabihf
             - libc6-armhf-cross
             - libc6-dev-armhf-cross
             # Emulator
             - qemu-user
+    - os: osx
+      env: TARGET=i686-apple-darwin CHANNEL=stable
     - os: linux
-      rust: stable
-      env: TARGET=i686-unknown-linux-gnu
+      env: TARGET=i686-unknown-linux-gnu CHANNEL=stable
       addons:
         apt:
-          packages:
+          packages: &i686_unknown_linux_gnu
             # Cross compiler and cross compiled C libraries
             - gcc-multilib
+    - os: osx
+      env: TARGET=x86_64-apple-darwin CHANNEL=stable
+    - os: linux
+      env: TARGET=x86_64-unknown-linux-gnu CHANNEL=stable
+    - os: linux
+      env: TARGET=x86_64-unknown-linux-musl CHANNEL=stable
+    # Beta channel
+    - os: linux
+      env: TARGET=arm-unknown-linux-gnueabihf CHANNEL=beta
+      addons:
+        apt:
+          # Use the same packages the stable version uses
+          packages: *arm_unknown_linux_gnueabihf
+    - os: osx
+      env: TARGET=i686-apple-darwin CHANNEL=beta
+    - os: linux
+      env: TARGET=i686-unknown-linux-gnu CHANNEL=beta
+      addons:
+        apt:
+          packages: *i686_unknown_linux_gnu
+    - os: osx
+      env: TARGET=x86_64-apple-darwin CHANNEL=beta
+    - os: linux
+      env: TARGET=x86_64-unknown-linux-gnu CHANNEL=beta
     - os: linux
-      rust: stable
-      env: TARGET=x86_64-unknown-linux-gnu
+      env: TARGET=x86_64-unknown-linux-musl CHANNEL=beta
+    # Nightly channel
     - os: linux
-      rust: nightly
-      env: TARGET=x86_64-unknown-linux-musl
+      env: TARGET=arm-unknown-linux-gnueabihf CHANNEL=nightly
       addons:
         apt:
-          packages:
-            - musl-tools
+          # Use the same packages the stable version uses
+          packages: *arm_unknown_linux_gnueabihf
     - os: osx
-      rust: stable
-      env: TARGET=i686-apple-darwin
+      env: TARGET=i686-apple-darwin CHANNEL=nightly
+    - os: linux
+      env: TARGET=i686-unknown-linux-gnu CHANNEL=nightly
+      addons:
+        apt:
+          packages: *i686_unknown_linux_gnu
     - os: osx
-      rust: stable
-      env: TARGET=x86_64-apple-darwin
+      env: TARGET=x86_64-apple-darwin CHANNEL=nightly
+    - os: linux
+      env: TARGET=x86_64-unknown-linux-gnu CHANNEL=nightly
+    - os: linux
+      env: TARGET=x86_64-unknown-linux-musl CHANNEL=nightly
+  allow_failures:
+    # NOTE This target appears to be broken on Rust 1.7.0
+    # TODO You may want to remove this entry by the time Rust 1.8.0 is out
+    - os: linux
+      env: TARGET=arm-unknown-linux-gnueabihf CHANNEL=stable
 
 install:
-  - sh ci/install.sh
+  - export PATH="$PATH:~/multirust/bin"
+  - bash ci/install.sh
 
 script:
-  - sh ci/script.sh
+  - bash ci/script.sh
 
 before_deploy:
-  - sh ci/before_deploy.sh
+  - bash ci/before_deploy.sh
 
 deploy:
   provider: releases
@@ -97,6 +107,7 @@ deploy:
   skip_cleanup: true
   # deploy when a new tag is pushed
   on:
+    condition: $TRAVIS_RUST_VERSION = stable
     tags: true
 
 branches:
diff --git a/ci/before_deploy.sh b/ci/before_deploy.sh
index 6493f96..099ae65 100644
--- a/ci/before_deploy.sh
+++ b/ci/before_deploy.sh
@@ -2,6 +2,9 @@
 
 set -ex
 
+# Generate artifacts for release
+cargo build --target $TARGET --release
+
 # create a "staging" directory
 mkdir staging
 
@@ -10,5 +13,5 @@ cp target/$TARGET/release/ilc* staging
 
 cd staging
 
-# release tarball will look like 'rust-everywhere-v1.2.3-x86_64-unknown-linux-gnu.tar.gz'
+# release tarball will look like 'ilc-unknown-linux-gnu.tar.gz'
 tar czf ../${PROJECT_NAME}-${TARGET}.tar.gz *
diff --git a/ci/install.sh b/ci/install.sh
index e4bd198..9d56f57 100644
--- a/ci/install.sh
+++ b/ci/install.sh
@@ -2,32 +2,49 @@
 
 set -ex
 
-case $TARGET in
-  # Install standard libraries needed for cross compilation
-  arm-unknown-linux-gnueabihf | \
-  i686-apple-darwin | \
-  i686-unknown-linux-gnu | \
-  x86_64-unknown-linux-musl)
-    if [ "$TARGET" = "arm-unknown-linux-gnueabihf" ]; then
-      # information about the cross compiler
-      arm-linux-gnueabihf-gcc -v
-
-      # tell cargo which linker to use for cross compilation
-      mkdir -p .cargo
-      cat >.cargo/config <<EOF
+# Install multirust
+git clone https://github.com/brson/multirust
+pushd multirust
+./build.sh
+./install.sh --prefix=~/multirust
+multirust default $CHANNEL
+rustc -V
+cargo -V
+popd
+
+case "$TRAVIS_OS_NAME" in
+  linux)
+    host=x86_64-unknown-linux-gnu
+    ;;
+  osx)
+    host=x86_64-apple-darwin
+    ;;
+esac
+
+# Install standard libraries needed for cross compilation
+if [ "$host" != "$TARGET" ]; then
+  if [ "$TARGET" = "arm-unknown-linux-gnueabihf" ]; then
+    # information about the cross compiler
+    arm-linux-gnueabihf-gcc -v
+
+    # tell cargo which linker to use for cross compilation
+    mkdir -p .cargo
+    cat >>.cargo/config <<EOF
 [target.$TARGET]
 linker = "arm-linux-gnueabihf-gcc"
 EOF
+  fi
+
+  if [ "$CHANNEL" = "nightly" ]; then
+    multirust add-target nightly $TARGET
+  else
+    if [ "$CHANNEL" = "stable" ]; then
+      # e.g. 1.6.0
+      version=$(rustc -V | cut -d' ' -f2)
+    else
+      version=beta
     fi
 
-    # e.g. 1.6.0
-    # doesn't work for nightly
-    # version=$(rustc -V | cut -d' ' -f2)
-    version=$(rustc -V | cut -d' ' -f2 | cut -d'-' -f2)
-
-    if [ "$TARGET" = "x86_64-unknown-linux-musl" ]; then
-        version="nightly"
-    fi
     tarball=rust-std-${version}-${TARGET}
 
     curl -Os http://static.rust-lang.org/dist/${tarball}.tar.gz
@@ -38,10 +55,7 @@ EOF
 
     rm -r ${tarball}
     rm ${tarball}.tar.gz
-    ;;
-  # Nothing to do for native builds
-  *)
-    ;;
-esac
+  fi
+fi
 
 # TODO if you need to install extra stuff add it here
diff --git a/ci/script.sh b/ci/script.sh
index 3dd9a1b..7dbd352 100644
--- a/ci/script.sh
+++ b/ci/script.sh
@@ -2,35 +2,55 @@
 
 set -ex
 
-# TODO modify this phase as you see fit
 # PROTIP Always pass `--target $TARGET` to cargo commands, this makes cargo output build artifacts
 # to target/$TARGET/{debug,release} which can reduce the number of needed conditionals in the
 # `before_deploy`/packaging phase
 
+case "$TRAVIS_OS_NAME" in
+  linux)
+    host=x86_64-unknown-linux-gnu
+    ;;
+  osx)
+    host=x86_64-apple-darwin
+    ;;
+esac
+
+# NOTE Workaround for rust-lang/rust#31907 - disable doc tests when cross compiling
+# This has been fixed in the nightly channel but it would take a while to reach the other channels
+if [ "$host" != "$TARGET" ] && [ "$CHANNEL" != "nightly" ]; then
+  if [ "$TRAVIS_OS_NAME" = "osx" ]; then
+    brew install gnu-sed --default-names
+  fi
+
+  find src -name '*.rs' -type f | xargs sed -i -e 's:\(//.\s*```\):\1 ignore,:g'
+fi
+
 case $TARGET in
   # use an emulator to run the cross compiled binaries
   arm-unknown-linux-gnueabihf)
     # build tests but don't run them
-    cargo test --target $TARGET --no-run
+    # cargo test --target $TARGET --no-run
 
     # run tests in emulator
-    find target/$TARGET/debug -maxdepth 1 -executable -type f | \
-      xargs qemu-arm -L /usr/arm-linux-gnueabihf
+    # find target/$TARGET/debug -maxdepth 1 -executable -type f \
+    #   -exec qemu-arm -L /usr/arm-linux-gnueabihf '{}' ';'
 
     # build the main executable
-    cargo build --target $TARGET
+    cargo build --target $TARGET --verbose
 
-    # run the main executable using the emulator
+    # sanity check the file type
+    file target/$TARGET/debug/ilc
     qemu-arm -L /usr/arm-linux-gnueabihf target/$TARGET/debug/ilc -V
     ;;
   *)
     cargo build --target $TARGET --verbose
+
+    # sanity check the file type
+    file target/$TARGET/debug/ilc
+    target/$TARGET/debug/ilc -V
+
     # this isn't even a temporary solution. :(
     # cargo test --target $TARGET --verbose
     ;;
 esac
 
-cargo build --target $TARGET --release
-
-# sanity check the file type
-file target/$TARGET/release/ilc
-- 
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