Added Drone CI/CD pipelines (for Github sync)

.drone.yml

@@ -0,0 +1,21 @@
+---
+kind: pipeline
+type: docker
+name: default
+
+steps:
+
+###
+### Mirror the current repository state to Github
+###
+
+- name: github-mirror
+  image: alpine
+  environment:
+    SSH_PUBKEY:
+      from_secret: ssh_pubkey
+    SSH_PRIVKEY:
+      from_secret: ssh_privkey
+
+  commands:
+    - . .drone/github-mirror.sh

.drone/github-mirror.sh

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+#!/bin/sh
+
+. .drone/macros/configure-git.sh
+. .drone/macros/configure-ssh.sh
+
+export PROJECT_NAME="gpstracker"
+ssh-keyscan github.com >> ~/.ssh/known_hosts 2>/dev/null
+
+# Clone the repository
+branch=$(git rev-parse --abbrev-ref HEAD)
+if [ -z "${branch}" ]; then
+  echo "No branch checked out"
+  exit 1
+fi
+
+git remote add github git@github.com:/blacklight/${PROJECT_NAME}.git
+
+if [[ "$branch" == "main" ]]; then
+  git pull --rebase github "${branch}" || echo "No such branch on Github"
+fi
+
+# Push the changes to the GitHub mirror
+git push -f --all -v github
+git push --tags -v github

.drone/macros/configure-git.sh

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+#!/bin/sh
+
+# Install git
+if [ -z "$(which git)" ]; then
+  if [ -n "$(which apt-get)" ]; then
+    apt-get update
+    apt-get install -y git
+  elif [ -n "$(which apk)" ]; then
+    apk add --update --no-cache git
+  elif [ -n "$(which yum)" ]; then
+    yum install -y git
+  elif [ -n "$(which dnf)" ]; then
+    dnf install -y git
+  elif [ -n "$(which pacman)" ]; then
+    pacman -Sy --noconfirm git
+  else
+    echo "Could not find a package manager to install git"
+    exit 1
+  fi
+fi
+
+# Backup the original git configuration before changing attributes
+export GIT_CONF="$PWD/.git/config"
+export TMP_GIT_CONF=/tmp/git.config.orig
+cp "$GIT_CONF" "$TMP_GIT_CONF"
+
+git config --global --add safe.directory "$PWD"
+git config user.name "CI/CD Automation"
+git config user.email "admin@platypush.tech"

.drone/macros/configure-ssh.sh

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+#!/bin/sh
+
+if [ -z "$SSH_PUBKEY" ] || [ -z "$SSH_PRIVKEY" ]; then
+    echo "SSH_PUBKEY and SSH_PRIVKEY environment variables must be set"
+    exit 1
+fi
+
+# Install ssh
+if [ -z "$(which ssh)" ]; then
+    if [ -n "$(which apt-get)" ]; then
+        apt-get update
+        apt-get install -y openssh
+    elif [ -n "$(which apk)" ]; then
+        apk add --update --no-cache openssh
+    elif [ -n "$(which yum)" ]; then
+        yum install -y openssh
+    elif [ -n "$(which dnf)" ]; then
+        dnf install -y openssh
+    elif [ -n "$(which pacman)" ]; then
+        pacman -Sy --noconfirm openssh
+    else
+        echo "Could not find a package manager to install openssh"
+        exit 1
+    fi
+fi
+
+mkdir -p ~/.ssh
+echo $SSH_PUBKEY > ~/.ssh/id_rsa.pub
+
+cat <<EOF > ~/.ssh/id_rsa
+$SSH_PRIVKEY
+EOF
+
+chmod 0600 ~/.ssh/id_rsa
+ssh-keyscan git.platypush.tech >> ~/.ssh/known_hosts 2>/dev/null