First working version

build-latest.sh

@@ -0,0 +1,85 @@
+#!/bin/bash
+# Builds the latest released version
+
+# Check if we have everything needed for the build
+source ./build-functions/check-commands.sh
+
+source ./build-functions/gh-functions.sh
+
+echo "▶️ $0 $*"
+
+CURL_ARGS=(
+  --silent
+)
+
+###
+# Checking for the presence of GITHUB_TOKEN
+###
+if [ -n "${GITHUB_TOKEN}" ]; then
+  echo "🗝 Performing authenticated Github API calls."
+  CURL_ARGS+=(
+    --header "Authorization: Bearer ${GITHUB_TOKEN}"
+  )
+else
+  echo "🕶 Performing unauthenticated Github API calls. This might result in lower Github rate limits!"
+fi
+
+###
+# Checking if PRERELEASE is either unset, 'true' or 'false'
+###
+if [ -n "${PRERELEASE}" ] &&
+  { [ "${PRERELEASE}" != "true" ] && [ "${PRERELEASE}" != "false" ]; }; then
+
+  if [ -z "${DEBUG}" ]; then
+    echo "⚠️ PRERELEASE must be either unset, 'true' or 'false', but was '${PRERELEASE}'!"
+    exit 1
+  else
+    echo "⚠️ Would exit here with code '1', but DEBUG is enabled."
+  fi
+fi
+
+###
+# Calling Github to get the latest version
+###
+ORIGINAL_GITHUB_REPO="netbox-community/netbox"
+GITHUB_REPO="${GITHUB_REPO-$ORIGINAL_GITHUB_REPO}"
+URL_RELEASES="https://api.github.com/repos/${GITHUB_REPO}/releases"
+
+# Composing the JQ commans to extract the most recent version number
+JQ_LATEST="group_by(.prerelease) | .[] | sort_by(.published_at) | reverse | .[0] | select(.prerelease==${PRERELEASE-false}) | .tag_name"
+
+CURL="curl"
+
+# Querying the Github API to fetch the most recent version number
+VERSION=$($CURL "${CURL_ARGS[@]}" "${URL_RELEASES}" | jq -r "${JQ_LATEST}" 2>/dev/null)
+
+###
+# Check if the prerelease version is actually higher than stable version
+###
+if [ "${PRERELEASE}" == "true" ]; then
+  JQ_STABLE="group_by(.prerelease) | .[] | sort_by(.published_at) | reverse | .[0] | select(.prerelease==false) | .tag_name"
+  STABLE_VERSION=$($CURL "${CURL_ARGS[@]}" "${URL_RELEASES}" | jq -r "${JQ_STABLE}" 2>/dev/null)
+
+  MAJOR_STABLE=$(expr "${STABLE_VERSION}" : 'v\([0-9]\+\)')
+  MINOR_STABLE=$(expr "${STABLE_VERSION}" : 'v[0-9]\+\.\([0-9]\+\)')
+  MAJOR_UNSTABLE=$(expr "${VERSION}" : 'v\([0-9]\+\)')
+  MINOR_UNSTABLE=$(expr "${VERSION}" : 'v[0-9]\+\.\([0-9]\+\)')
+
+  if {
+    [ "${MAJOR_STABLE}" -eq "${MAJOR_UNSTABLE}" ] &&
+      [ "${MINOR_STABLE}" -ge "${MINOR_UNSTABLE}" ]
+  } || [ "${MAJOR_STABLE}" -gt "${MAJOR_UNSTABLE}" ]; then
+
+    echo "❎ Latest unstable version '${VERSION}' is not higher than the latest stable version '$STABLE_VERSION'."
+    if [ -z "$DEBUG" ]; then
+      gh_out "skipped=true"
+      exit 0
+    else
+      echo "⚠️ Would exit here with code '0', but DEBUG is enabled."
+    fi
+  fi
+fi
+
+# shellcheck disable=SC2068
+./build.sh "${VERSION}" $@
+exit $?