Refactor baseimage related stuff to libhack/baseimage.sh

hack/libhack/baseimage.sh

@@ -0,0 +1,91 @@
+# Requires context:
+#     - BASEIMAGE_PATH: absolute path of baseimage repo
+
+BASEIMAGE_NAME="${BASEIMAGE_NAME:-eu.gcr.io/avatao-challengestore/tutorial-framework}"
+libhack_dir="$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")"
+source "${libhack_dir}/common.sh"
+
+
+baseimage::build_as_latest() {
+    pushd "${BASEIMAGE_PATH}"
+    baseimage::build
+    baseimage::tag_as_latest
+    popd
+}
+
+baseimage::build() {
+    pushd "${BASEIMAGE_PATH}"
+    docker build -t "${BASEIMAGE_NAME}:$(releasename)" \
+                 .
+    popd
+}
+
+baseimage::tag_as_latest() {
+    docker tag "${BASEIMAGE_NAME}:$(releasename)" "${BASEIMAGE_NAME}:latest"
+}
+
+baseimage::release() {
+    pushd "${BASEIMAGE_PATH}"
+    check_drone_releasename
+
+    local tag
+    tag="$(releasename)"
+    read -p "Tag and push new TFW version \"${tag}\"? [y/N]" -r && echo
+    if [[ $REPLY =~ ^(y|Y|yes|Yes|YES)$ ]]
+    then
+        prompt_for_tag_description # This command sets $description
+        tag="${tag}" description="${description}" force_push_tag
+    fi
+    popd
+}
+
+releasename() {
+    local version
+    local date
+    version="$(cat VERSION | head -n 1)"
+    date="$(date +%Y%m%d)"
+    printf "${version}-${date}"
+}
+
+check_drone_releasename() {
+    local drone_releasename
+    local actual_releasename
+    drone_releasename="$(grep -oP '(?<=branch:\srefs/tags/).+(?=-.+)' .drone.yml)"
+    actual_releasename="$(baseimage_releasename | grep -oP ".+(?=-\d{8})")"
+    if [ "${drone_releasename}" != "${actual_releasename}" ]; then
+        echo "Release name '${drone_releasename}' in .drone.yml does not match \
+              actual release name '${actual_releasename}' in VERSION."
+        echo "Please make them match before releasing!"
+        exit 1
+    fi
+}
+
+prompt_for_tag_description() {
+    local editor
+    local tempfile
+    editor="$(git config --global core.editor)"
+    tempfile="$(mktemp)"
+
+    printf "\n\n" >> "${tempfile}"
+    echo "# Please enter the description for this release." >> "${tempfile}"
+    echo "# Lines starting with '#' will be ignored." >> "${tempfile}"
+    echo "# An empty description aborts the release." >> "${tempfile}"
+
+    ${editor} "${tempfile}"
+    sed -i -e 's/#.*$//' -e '/^$/d' "${tempfile}"
+    sed -i 's/\n/ /g' "${tempfile}"
+    if [[ ! -s "${tempfile}" ]]; then
+        echo "Aborting release due to empty description."
+        exit 1
+    fi
+
+    description="$(tr '\n' ' ' < "${tempfile}")"
+    rm "${tempfile}"
+}
+
+force_push_tag() {
+    git tag -d "${tag}" > /dev/null 2>&1 || :
+    git push --delete origin "${tag}" > /dev/null 2>&1 || :
+    git tag -s -m "${description}" "${tag}"
+    git push origin "${tag}"
+}

hack/libhack/common.sh

@@ -0,0 +1,7 @@
+pushd() {
+    command pushd "$@" > /dev/null
+}
+
+popd() {
+    command popd "$@" > /dev/null
+}