fix: docker build versioning

Author: nekufa

Dockerfile

@@ -25,14 +25,7 @@ RUN wget -q https://use.fontawesome.com/releases/v5.0.6/fontawesome-free-5.0.6.z
 
 RUN git clone --branch v1.5.0 --depth 1 https://github.com/ajaxorg/ace-builds.git
 
-COPY .git .git/
-RUN if [ -d ".git" ]; then \
-        CI_COMMIT_TAG=$(git describe --tags); \
-        CI_COMMIT_REF_NAME=$(git rev-parse --abbrev-ref HEAD); \
-        CI_COMMIT_SHA=$(git rev-parse --verify HEAD); \
-        CI_COMMIT_SHORT_SHA=$(git rev-parse --verify HEAD | head -c 8); \
-    fi; \
-    echo "<?php return ['tag' => '$CI_COMMIT_TAG', 'sha' => '$CI_COMMIT_SHA', 'short_sha' => '$CI_COMMIT_SHORT_SHA','ref_name'=>'$CI_COMMIT_REF_NAME'];" > version.php
+RUN echo "<?php return ['tag' => '$CI_COMMIT_TAG', 'sha' => '$CI_COMMIT_SHA', 'short_sha' => '$CI_COMMIT_SHORT_SHA','ref_name'=>'$CI_COMMIT_REF_NAME'];" > version.php
 
 COPY php php/
 COPY composer.json composer.lock ./

build.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+# This script is for local builds.
+# It gathers version information from the local .git repository
+# and passes it as build arguments to the docker build command.
+
+set -e
+
+CI_COMMIT_TAG=$(git describe --tags --always)
+CI_COMMIT_REF_NAME=$(git rev-parse --abbrev-ref HEAD)
+CI_COMMIT_SHA=$(git rev-parse --verify HEAD)
+CI_COMMIT_SHORT_SHA=$(git rev-parse --verify --short HEAD)
+
+docker build .
+    --build-arg CI_COMMIT_TAG="$CI_COMMIT_TAG" \
+    --build-arg CI_COMMIT_REF_NAME="$CI_COMMIT_REF_NAME" \
+    --build-arg CI_COMMIT_SHA="$CI_COMMIT_SHA" \
+    --build-arg CI_COMMIT_SHORT_SHA="$CI_COMMIT_SHORT_SHA" \
+    "$@"