Improve tfw.sh (refactor & new baseimage compliance)

hack/libhack/baseimage.sh

@@ -8,23 +8,32 @@ libhack_dir="$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")"
 source "${libhack_dir}/common.sh"
 
 
-baseimage::assert_exists() {
-    if [[ ! -d "${BASEIMAGE_PATH}" ]]; then
-        exit 0
-    fi
-}
-
 baseimage::build_if_exists() {
     [[ ! -d "${BASEIMAGE_PATH}" ]] && return ||:
+    baseimage::build
+}
+
+baseimage::build() {
+    baseimage::assert_exists
     pushd "${BASEIMAGE_PATH}"
     local tag
     tag="${BASEIMAGE_NAME}:$(releasename)"
-    docker build -t "${tag}" .
+    docker build --build-arg FRONTEND_VERSION="${frontend_version}" \
+                 -t "${tag}"                                        \
+                 .
     docker tag "${tag}" "${BASEIMAGE_NAME}:latest"
     popd
 }
 
+baseimage::assert_exists() {
+    if [[ ! -d "${BASEIMAGE_PATH}" ]]; then
+        printf "Cannot find baseimage at ${BASEIMAGE_PATH}!\n"
+        exit 1
+    fi
+}
+
 baseimage::release() {
+    baseimage::assert_exists
     pushd "${BASEIMAGE_PATH}"
     local tag
     tag="$(releasename)"

hack/libhack/frontend.sh

@@ -7,19 +7,22 @@ libhack_dir="$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")"
 source "${libhack_dir}/common.sh"
 
 
-frontend::assert_exists() {
-    if [[ ! -d "${FRONTEND_PATH}" ]]; then
-        exit 0
-    fi
-}
-
 frontend::build() {
+    frontend::assert_exists
     pushd "${FRONTEND_PATH}"
     docker build -t "${FRONTEND_IMAGE_NAME}:$(releasename)" .
     popd
 }
 
+frontend::assert_exists() {
+    if [[ ! -d "${FRONTEND_PATH}" ]]; then
+        printf "Cannot find frontend at ${FRONTEND_PATH}!\n"
+        exit 1
+    fi
+}
+
 frontend::release() {
+    frontend::assert_exists
     pushd "${FRONTEND_PATH}"
     local tag
     tag="$(releasename)"
@@ -32,3 +35,10 @@ frontend::release() {
     fi
     popd
 }
+
+frontend::latest_tag() {
+    frontend::assert_exists
+    pushd "${FRONTEND_PATH}"
+    git describe --tags
+    popd
+}