hooks/build

#!/bin/sh

# Set good defaults to allow script to be run by hand. The two variables below
# will never be used when run from within the Docker hub.
DOCKER_REPO=${DOCKER_REPO:-"efrecon/s3fs"}
SOURCE_COMMIT=${SOURCE_COMMIT:-$(git log --no-decorate|grep '^commit'|head -n 1| awk '{print $2}')}

# shellcheck disable=SC1091
. "$(dirname "$0")/reg-tags/image_tags.sh"

# github repo to get list of tags from
BASEREPO=s3fs-fuse/s3fs-fuse
MINVER=${MINVER:-1.78}
VERSIONS=${VERSIONS:-} # When empty, will be all version starting from $MINVER

if [ -z "$VERSIONS" ]; then
    VERSIONS=$( curl -qsL https://api.github.com/repos/${BASEREPO}/tags |
                grep "\"name\":" |
                sed "s/,$//g" |
                sed "s/^\s*\"name\":\s*//g" |
                sed "s/\"//g")
fi

# Login at the Docker hub to be able to access info about the image.
token=$(img_auth "$DOCKER_REPO")

for version in $VERSIONS; do
    official=$(echo "$version" | grep -E "^v[0-9]+(.[0-9]+)*")
    if [ -n "$official" ]; then
        tag=$(echo "$official" | sed "s/^v//g")
        if [ "$tag" = "1.87" ] || [ "$(img_version "$tag")" -lt "$(img_version "$MINVER")" ]; then
            echo "======================= Skipping ${DOCKER_REPO}:$tag, known to fail/too old"
        else
            # Get the revision out of the org.opencontainers.image.revision label, this
            # will be the label where we store information about this repo (it cannot be
            # the tag, since we tag as the base image).
            revision=$(img_labels --verbose --token "$token" -- "$DOCKER_REPO" "$tag" |
                        grep "^org.opencontainers.image.revision" |
                        sed -E 's/^org.opencontainers.image.revision=(.+)/\1/')
            # If the revision is different from the source commit (including empty,
            # which will happen when our version of the image does not already exist),
            # build the image, making sure we label with the git commit sha at the
            # org.opencontainers.image.revision OCI label, but using the same tag as the
            # library image.
            if [ "$revision" != "$SOURCE_COMMIT" ]; then
                echo "======================= Building ${DOCKER_REPO}:$tag"
                docker buildx build --platform linux/arm64,linux/amd64,linux/arm/v7 --push \
                    --build-arg S3FS_VERSION="$version" \
                    --tag "${DOCKER_REPO}:$tag" \
                    --label "org.opencontainers.image.revision=$SOURCE_COMMIT" \
                    .
            fi
        fi
    fi
done