add Drone Cloud CI configuration

ci/drone/drone.yml

@@ -0,0 +1,25 @@
+---
+kind: pipeline
+name: test-aarch64-linux-gnu
+
+platform:
+  arch: arm64
+
+steps:
+- name: build-and-test
+  image: alpine:edge
+  commands:
+  - ./ci/drone/linux_script aarch64 linux musl
+
+---
+kind: pipeline
+name: test-arm-linux-gnueabihf
+
+platform:
+  arch: arm
+
+steps:
+- name: build-and-test
+  image: alpine:edge
+  commands:
+  - ./ci/drone/linux_script arm linux musleabihf

ci/drone/linux_script

@@ -0,0 +1,49 @@
+#!/bin/sh
+
+set -x
+set -e
+
+TRIPLEARCH="$0"
+TRIPLEOS="$1"
+TRIPLEABI="$2"
+BUILDDIR="$(pwd)"
+DISTDIR="$(pwd)/dist"
+
+apk update
+apk add gcc g++ cmake make libc-dev binutils libstdc++ py3-pip clang-static llvm9-static xz llvm9-dev clang-dev zlib-static libxml2-dev
+pip3 install s3cmd
+
+mkdir build
+cd build
+cmake .. -DCMAKE_BUILD_TYPE=Release "-DCMAKE_INSTALL_PREFIX=$DISTDIR" -DZIG_STATIC=ON
+
+make -j$(nproc) install
+./zig build test
+
+if [ -n "$DRONE_PULL_REQUEST" ]; then
+  mv ../LICENSE "$DISTDIR/"
+  mv ../zig-cache/langref.html "$DISTDIR/"
+  mv "$DISTDIR/bin/zig" "$DISTDIR/"
+  rmdir "$DISTDIR/bin"
+
+  GITBRANCH="$DRONE_BRANCH"
+  VERSION=$("$DISTDIR/zig" version)
+  DIRNAME="zig-$TRIPLEOS-$TRIPLEARCH-$VERSION"
+  TARBALL="$DIRNAME.tar.xz"
+  mv "$DISTDIR" "$DIRNAME"
+  tar cfJ "$TARBALL" "$DIRNAME"
+
+  s3cmd put -P --add-header="cache-control: public, max-age=31536000, immutable" "$TARBALL" s3://ziglang.org/builds/
+
+  SHASUM=$(shasum -a 256 $TARBALL | cut '-d ' -f1)
+  BYTESIZE=$(wc -c < $TARBALL)
+
+  JSONFILE="$TRIPLEARCH-$TRIPLEOS-$GITBRANCH.json"
+  touch $JSONFILE
+  echo "{\"tarball\": \"$TARBALL\"," >>$JSONFILE
+  echo "\"shasum\": \"$SHASUM\"," >>$JSONFILE
+  echo "\"size\": \"$BYTESIZE\"}" >>$JSONFILE
+
+  s3cmd put -P --add-header="Cache-Control: max-age=0, must-revalidate" "$JSONFILE" "s3://ziglang.org/builds/$JSONFILE"
+  s3cmd put -P "$JSONFILE" "s3://ziglang.org/builds/$TRIPLEARCH-$TRIPLEOS-$VERSION.json"
+fi

ci/srht/freebsd_script

@@ -15,7 +15,7 @@ tar xf "$CACHE_BASENAME.tar.xz"
 cd $ZIGDIR
 mkdir build
 cd build
-cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=$PREFIX -DCMAKE_INSTALL_PREFIX=$(pwd)/release -DZIG_STATIC=ON
+cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=$PREFIX "-DCMAKE_INSTALL_PREFIX=$(pwd)/release" -DZIG_STATIC=ON
 make $JOBS install
 
 release/bin/zig build test-fmt