CI/CD basic implementation based on GitHub Actions

.github/workflows/push.yml

@@ -0,0 +1,54 @@
+name: CI
+
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+
+jobs:
+  build:
+    runs-on: ubuntu-22.04
+    strategy:
+      matrix:
+        model: [ "hydrafw" ]
+      fail-fast: true
+
+    steps:
+      - name: Update package cache
+        run: sudo  apt  update  -y
+
+      - name: Install packages
+        run: sudo  apt  install  -y  --no-install-recommends  --no-install-suggests  bash  coreutils  tar  bzip2  git  make  python3  python3-pip
+
+      - name: Install python modules
+        run: python3  -m pip  install  GitPython intelhex  --upgrade
+
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+          fetch-tags: true
+          fetch-depth: 0
+
+      - name: Set git meta info
+        run: echo "GITHUB_CI_PR_SHA=${{github.event.pull_request.head.sha}}" >> "${GITHUB_ENV}"
+
+      - name: Install standalone reference GCC toolchain
+        run: bash  scripts/env.sh
+
+      - name: Build ${{ matrix.model }}
+        run: source  build.env  &&  arm-none-eabi-gcc --version  &&  arm-none-eabi-gcc -print-search-dirs  &&  python3  src/build-scripts/hydrafw-revision.py  &&  make  V=1  -j$(nproc)  -C src/
+
+      - name: Archive ${{ matrix.model }} artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ matrix.model }}
+          path: |
+            src/build/${{ matrix.model }}.dfu
+          if-no-files-found: error
+
+

scripts/env.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+#set -x
+set -e
+
+# This script is used to enroll toolchain with GitHub Actions for CI/CD purposes
+# But this script can be used as reference to install recommended toolchain for building hydrafw.dfu locally as well
+
+MD5SUM=8a4a74872830f80c788c944877d3ad8c
+TARBALL=gcc-arm-none-eabi-4_9-2015q3-20150921-linux.tar.bz2
+TARDIR=gcc-arm-none-eabi-4_9-2015q3
+LINK=https://launchpad.net/gcc-arm-embedded/4.9/4.9-2015-q3-update/+download/"${TARBALL}"
+CURDIR="$(pwd)"
+
+echo  "${MD5SUM} ${TARBALL}"  >  md5.txt
+wget  "${LINK}"
+md5sum  -c  md5.txt
+rm  md5.txt
+
+tar  xvjf  "${TARBALL}"
+rm  "${TARBALL}"
+
+if [ -n "${GITHUB_CI_PR_SHA}" ]; then
+	# This is for GitHub Actions CI/CD tooling only
+	echo  "export  PATH=\"${CURDIR}/${TARDIR}/bin\":\"\${PATH}\"" > build.env
+else
+	# And this is for local install
+	echo ""
+	echo  "Add a line like"
+	echo "export  PATH=\"${CURDIR}/${TARDIR}/bin\":\"\${PATH}\""
+	echo "to your ~/.profile and/or ~/.bashrc and run the line to enable toolchain as default one for arm-none-eabi-* target"
+	echo ""
+fi;
+

src/build-scripts/hydrafw-revision.py

@@ -7,4 +7,7 @@
 
 git=Repo(search_parent_directories=True).git
 version = git.describe(tags=True,always=True,dirty=True,long=True)
-print(r.search(version).group(1))
+if r.search(version):
+    print(r.search(version).group(1))
+else:
+    print("0.0")

src/build-scripts/hydrafw-version.py

@@ -1,6 +1,8 @@
 #!/usr/bin/env python3
 
 import sys
+import os
+import re
 from optparse import OptionParser
 from datetime import *
 from git import *
@@ -14,7 +16,14 @@
 if len(args)==1:
   sys.stdout = open(args[0], 'w')
   git=Repo(search_parent_directories=True).git
-  print('#define HYDRAFW_GIT_TAG "' + git.describe(tags=True,always=True,dirty=True,long=True) + '"')
+  vermagic=git.describe(tags=True,always=True,dirty=True,long=True)
+  if os.environ.get("GITHUB_CI_PR_SHA", "") != "":
+    # if GITHUB_CI_PR_SHA is set, then it's GitHub Actions build, so workaround to set a valid tag is required
+    sha_id=os.environ["GITHUB_CI_PR_SHA"][:7]
+    print('#define HYDRAFW_GIT_TAG "' + re.sub('-g.*$', '-g' + sha_id, vermagic) + '"')
+  else:
+    # If it's local build, then set "normal" tag
+    print('#define HYDRAFW_GIT_TAG "' + vermagic + '"')
   print('#define HYDRAFW_CHECKIN_DATE "' + git.show(['-s', '--pretty=format:%ai']).partition(' ')[0] + '"')
 else:
   parser.print_help()