support for building ruby 4.0 above releases (#2)

* support for building ruby 4.0 above releases

	- using tar

Signed-off-by: udaykiriti <udaykiriti624@gmail.com>

* tarball support for all versions.

Signed-off-by: udaykiriti <udaykiriti624@gmail.com>

* Update build.sh

Co-authored-by: narpfel <narpfel@gmx.de>

* Update build.sh

Co-authored-by: narpfel <narpfel@gmx.de>

* Update build.sh

Co-authored-by: narpfel <narpfel@gmx.de>

---------

Signed-off-by: udaykiriti <udaykiriti624@gmail.com>
Co-authored-by: narpfel <narpfel@gmx.de>

Author: udaykiriti

build/build.sh

@@ -4,65 +4,45 @@ set -ex
 
 VERSION=$1
 
-URL=https://github.com/ruby/ruby.git
-
 case $VERSION in
 trunk)
     VERSION=trunk-$(date +%Y%m%d)
-    BRANCH=master
+    TARBALL_URL=https://cache.ruby-lang.org/pub/ruby/snapshot/snapshot-master.tar.gz
+    SOURCE_DIR=${ROOT}/ruby-master
     ;;
 *)
-    TAG=v${VERSION//./_}
+    RUBY_MINOR_VERSION=${VERSION%.*}
+    TARBALL_URL=https://cache.ruby-lang.org/pub/ruby/${RUBY_MINOR_VERSION}/ruby-${VERSION}.tar.gz
+    SOURCE_DIR=${ROOT}/ruby-${VERSION}
     ;;
 esac
 
-# use tag name as branch if otherwise unspecified
-BRANCH=${BRANCH-$TAG}
-
-# some builds checkout a tag instead of a branch
-# these builds have a different prefix for ls-remote
-REF=refs/heads/${BRANCH}
-if [[ ! -z "${TAG}" ]]; then
-    REF=refs/tags/${TAG}
-fi
-
 FULLNAME=ruby-${VERSION}
 OUTPUT=$2/${FULLNAME}.tar.xz
+TARBALL_DOWNLOAD=/tmp/ruby-${VERSION}.tar.gz
+INSTALL_DIR=/opt/compiler-explorer/${FULLNAME}
 
 # determine build revision
-REVISION=$(git ls-remote "${URL}" "${REF}" | cut -f 1)
+REVISION=$(curl -sI "${TARBALL_URL}" | grep -i last-modified | sha256sum | cut -d' ' -f1)
 LAST_REVISION="${3}"
 
 echo "ce-build-revision:${REVISION}"
 echo "ce-build-output:${OUTPUT}"
 
 if [[ "${REVISION}" == "${LAST_REVISION}" ]]; then
-  echo "ce-build-status:SKIPPED"
-  exit
+    echo "ce-build-status:SKIPPED"
+    exit
 fi
 
-BUILD_DIR=${ROOT}/build
-STAGING_DIR=/opt/compiler-explorer/${FULLNAME}
-rm -rf "${STAGING_DIR}"
-mkdir -p "${STAGING_DIR}"
-mkdir -p "${BUILD_DIR}"
-
-# Setup ruby checkout
-git clone --depth 1 --single-branch -b "${BRANCH}" "${URL}" "${ROOT}/ruby"
-
-# Generate autoconf
-cd "${ROOT}/ruby"
-if [[ -f "./autogen.sh" ]]; then
-    ./autogen.sh
-else
-    # older ruby doesn't have autogen.sh
-    autoreconf --install
-fi
+rm -rf "${INSTALL_DIR}"
+mkdir -p "${INSTALL_DIR}"
+mkdir -p "${SOURCE_DIR}"
+curl -L "${TARBALL_URL}" | tar xzf - -C "${SOURCE_DIR}" --strip-components=1
+cd "${SOURCE_DIR}"
 
 # Configure build
-cd "${BUILD_DIR}"
-../ruby/configure \
-    --prefix="${STAGING_DIR}" \
+./configure \
+    --prefix="${INSTALL_DIR}" \
     --disable-install-doc
 
 # Build and install artifacts
@@ -72,6 +52,6 @@ make install
 # Don't try to compress the binaries as they don't like it
 
 export XZ_DEFAULTS="-T 0"
-tar Jcf ${OUTPUT} --transform "s,^./,./${FULLNAME}/," -C ${STAGING_DIR} .
+tar Jcf "${OUTPUT}" --transform "s,^./,./${FULLNAME}/," -C "${INSTALL_DIR}" .
 
 echo "ce-build-status:OK"