1 files changed, 97 insertions, 0 deletions
diff --git a/src/tools/ci/ci_macports_packages.sh b/src/tools/ci/ci_macports_packages.sh
new file mode 100755
index 00000000000..4bc594a31d1
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+++ b/src/tools/ci/ci_macports_packages.sh
@@ -0,0 +1,97 @@
+#!/bin/sh
+
+# Installs the passed in packages via macports. To make it fast enough
+# for CI, cache the installation as a .dmg file.  To avoid
+# unnecessarily updating the cache, the cached image is only modified
+# when packages are installed or removed.  Any package this script is
+# not instructed to install, will be removed again.
+#
+# This currently expects to be run in a macos cirrus-ci environment.
+
+set -e
+# set -x
+
+packages="$@"
+
+macports_url="https://github.com/macports/macports-base/releases/download/v2.8.1/MacPorts-2.8.1-13-Ventura.pkg"
+cache_dmg="macports.hfs.dmg"
+
+if [ "$CIRRUS_CI" != "true" ]; then
+    echo "expect to be called within cirrus-ci" 1>2
+    exit 1
+fi
+
+sudo mkdir -p /opt/local
+mkdir -p ${MACPORTS_CACHE}/
+
+# If we are starting from clean cache, perform a fresh macports
+# install. Otherwise decompress the .dmg we created previously.
+#
+# After this we have a working macports installation, with an unknown set of
+# packages installed.
+new_install=0
+update_cached_image=0
+if [ -e ${MACPORTS_CACHE}/${cache_dmg}.zstd ]; then
+    time zstd -T0 -d ${MACPORTS_CACHE}/${cache_dmg}.zstd -o ${cache_dmg}
+    time sudo hdiutil attach -kernel ${cache_dmg} -owners on -shadow ${cache_dmg}.shadow -mountpoint /opt/local
+else
+    new_install=1
+    curl -fsSL -o macports.pkg "$macports_url"
+    time sudo installer -pkg macports.pkg -target /
+    # this is a throwaway environment, and it'd be a few lines to gin
+    # up a correct user / group when using the cache.
+    echo macportsuser root | sudo tee -a /opt/local/etc/macports/macports.conf
+fi
+export PATH=/opt/local/sbin/:/opt/local/bin/:$PATH
+
+# mark all installed packages unrequested, that allows us to detect
+# packages that aren't needed anymore
+if [ -n "$(port -q installed installed)" ] ; then
+    sudo port unsetrequested installed
+fi
+
+# if setting all the required packages as requested fails, we need
+# to install at least one of them
+if ! sudo port setrequested $packages > /dev/null 2>&1 ; then
+    echo not all required packages installed, doing so now
+    update_cached_image=1
+    # to keep the image small, we deleted the ports tree from the image...
+    sudo port selfupdate
+    # XXX likely we'll need some other way to force an upgrade at some
+    # point...
+    sudo port upgrade outdated
+    sudo port install -N $packages
+    sudo port setrequested $packages
+fi
+
+# check if any ports should be uninstalled
+if [ -n "$(port -q installed rleaves)" ] ; then
+    echo superflous packages installed
+    update_cached_image=1
+    sudo port uninstall --follow-dependencies rleaves
+
+    # remove prior cache contents, don't want to increase size
+    rm -f ${MACPORTS_CACHE}/*
+fi
+
+# Shrink installation if we created / modified it
+if [ "$new_install" -eq 1 -o "$update_cached_image" -eq 1 ]; then
+    sudo /opt/local/bin/port clean --all installed
+    sudo rm -rf /opt/local/var/macports/{software,sources}/*
+fi
+
+# If we're starting from a clean cache, start a new image. If we have
+# an image, but the contents changed, update the image in the cache
+# location.
+if [ "$new_install" -eq 1 ]; then
+    # use a generous size, so additional software can be installed later
+    time sudo hdiutil create -fs HFS+ -format UDRO -size 10g -layout NONE -srcfolder /opt/local/ ${cache_dmg}
+    time zstd -T -10 -z ${cache_dmg} -o ${MACPORTS_CACHE}/${cache_dmg}.zstd
+elif [ "$update_cached_image" -eq 1 ]; then
+    sudo hdiutil detach /opt/local/
+    time hdiutil convert -format UDRO ${cache_dmg} -shadow ${cache_dmg}.shadow -o updated.hfs.dmg
+    rm ${cache_dmg}.shadow
+    mv updated.hfs.dmg ${cache_dmg}
+    time zstd --force -T -10 -z ${cache_dmg} -o ${MACPORTS_CACHE}/${cache_dmg}.zstd
+    time sudo hdiutil attach -kernel ${cache_dmg} -owners on -shadow ${cache_dmg}.shadow -mountpoint /opt/local
+fi