Merge branch '9-ci-additional-go-versions' into 'dev'

CI update: additional go version(s)

See merge request objectbox/objectbox-generator!8

Author: dan-obx

.gitlab-ci.yml

@@ -1,11 +1,42 @@
 # https://docs.gitlab.com/ce/ci/yaml/
 
-build:
+.build:
   tags: [ x64, linux, docker ]
   image: 
-    name: objectboxio/buildenv-generator-ubuntu:2024-02-22
+    name: objectboxio/buildenv-generator-ubuntu:2024-02-26
     pull_policy: [always, if-not-present]
+
+# Available go versions in objectboxio/buildenv-generator-ubuntu:2024-02-26:
+#
+# Version | Location (GOROOT)     | Notes
+# ------- | --------------------- | -------------------------------------------------
+# 1.18.1  | /usr/lib/go-1.18      | (Ubuntu 22.04 package)
+# 1.22.0  | /usr/local/go1.22     | Manual installed version (default first on PATH)
+# 1.19.13 | /root/sdk/go1.19.13   | Additional version installed via go install
+
+#
+b:go1.18:
+  extends: [ .build ]
+  script:
+    - export PATH=/usr/lib/go-1.18/bin:$PATH
+    - make info
+    - make
+    - make test-depend
+    - make test
+
+b:go1.19:
+  extends: [ .build ]
+  script:
+    - export PATH=/root/sdk/go1.19.13/bin:$PATH
+    - make info
+    - make
+    - make test-depend
+    - make test
+
+b:go1.22:
+  extends: [ .build ]
   script:
+    - make info
     - make
     - make test-depend
     - make test

Makefile

@@ -35,3 +35,5 @@ test-depend: depend		## Build test dependencies
 	./third_party/flatcc/build.sh
 	./third_party/objectbox-c/get-objectbox-c.sh
 
+info:
+	go version

ci/docker/Dockerfile.ubuntu

@@ -3,3 +3,15 @@ RUN apt-get update && \
     apt-get install -y make cmake golang git curl ccache && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*
+
+# Installation of additional go versions from ubuntu's go1.18 via 
+#     go install golang.org/dl/go1.19.13@latest 
+# fails with 
+#     [...]/version.go:537:38: undefined: signalsToIgnore
+# Thus, installation of a recent go version manually and add older versions afterwards
+
+RUN curl -sS -L --fail https://go.dev/dl/go1.22.0.linux-amd64.tar.gz | tar xz -v --one-top-level=go1.22 --strip-components 1 -C /usr/local
+ENV PATH=/root/go/bin:/usr/local/go1.22/bin:$PATH
+
+RUN go install golang.org/dl/go1.19.13@latest 
+RUN go1.19.13 download