Merge pull request 'Refactor the auto build script' (#41) from auto_build_again into main

Reviewed-on: #41

auto_build.sh

@@ -7,11 +7,10 @@ set -u  # Treat unset variables as an error when substituting.
 FORCE=${FORCE="no"}
 
 # change this to your setup
-GIT_BASE=${GIT_BASE="https://git.dezentrale.cloud"}  # no trailing slash please
+REMOTE_URL=${REMOTE_URL:="https://git.dezentrale.cloud/Frontend/Homepage.git"}
 CLONE_DIR=${CLONE_DIR="$HOME/homepage"}  # local checkout path
 
-OWNER=${OWNER="Frontend"}
-REPO=${REPO="Homepage"}
+ORIGIN=${ORIGIN="origin"}
 BRANCH=${BRANCH="main"}
 
 GOPATH=${GOPATH="$HOME/go/bin"}
@@ -29,18 +28,29 @@ purge_local () {
 # clone repo if not already there
 clone_local () {
     if [ ! -d "$CLONE_DIR" ]; then
-        if ! git clone \
+        git clone \
             --quiet \
             --branch "$BRANCH" \
             --recurse-submodules \
-            "${GIT_BASE}/${OWNER}/${REPO}.git" \
-            "$CLONE_DIR"
-        then
-            exit 1
-        fi
+            "$REMOTE_URL" \
+            "$CLONE_DIR" \
+        || exit 1
     fi
 }
 
+# fetch repo updates from remote
+fetch_local () {
+    if [ -d "$CLONE_DIR" ]; then
+        git -C "$CLONE_DIR" fetch \
+            --quiet \
+            --recurse-submodules \
+            --all \
+        || exit 1
+    fi
+}
+
+
+
 # make sure repo is cloned, clean and on the correct branch
 setup_local () {
     if [ ! -d "$CLONE_DIR" ]; then
@@ -62,6 +72,7 @@ setup_local () {
         return 1
     fi
 
+    fetch_local
     return 0
 }
 
@@ -71,33 +82,14 @@ latest_local_sha () {
     git -C "$CLONE_DIR" rev-parse --quiet "$BRANCH"
 }
 
-# get latest commit id of server
+# get latest commit id of remote repo
 latest_remote_sha () {
-    if ! curl --silent --fail --show-error \
-        -X GET \
-        -H "accept: application/json" \
-        "${GIT_BASE}/api/v1/repos/${OWNER}/${REPO}/commits?sha=${BRANCH}&limit=1" \
-    | jq -M -r '.[0].sha'
-    then
-        exit 1
-    fi
+    git -C "$CLONE_DIR" rev-parse --quiet "$ORIGIN/$BRANCH"
 }
 
 
-# determine if build is required
-REQUIRED="no"
-if ! setup_local; then
-    REQUIRED="setup"
-elif [ $FORCE != "no" ]; then
-    REQUIRED="forced"
-elif [ "$(latest_local_sha)" != "$(latest_remote_sha)" ]; then
-    REQUIRED="changed"
-    purge_local
-    clone_local
-fi
-
 # do the build
-if [ $REQUIRED != "no" ]; then
+build_page() {
     TMPDIR=$(mktemp -d -t hugo_build_XXXXX)
 
     PATH=$PATH:$GOPATH \
@@ -105,9 +97,30 @@ if [ $REQUIRED != "no" ]; then
             --quiet \
             --enableGitInfo \
             --source "$CLONE_DIR" \
-            --destination "$TMPDIR"
+            --destination "$TMPDIR" \
+        || exit 1
 
     rm -rf "${WWWDIR:?}"/*
     cp -r "$TMPDIR"/. "$WWWDIR"
     rm -rf "$TMPDIR"
+}
+
+
+# public static void main
+if ! setup_local; then
+    build_page
+    exit 0
 fi
+
+if [ $FORCE != "no" ]; then
+    build_page
+    exit 0
+fi
+
+if [ "$(latest_local_sha)" != "$(latest_remote_sha)" ]; then
+    purge_local
+    clone_local
+    build_page
+fi
+
+exit 0