From bd59fa38d8e5f9a14e3efbc85353284f7e70b252 Mon Sep 17 00:00:00 2001
From: Ducky <ducky@zyrio.cloud>
Date: Sun, 1 Oct 2023 00:47:04 +0100
Subject: [PATCH] osm-garmin: various

---
 osm-garmin/app/build-gmap.sh | 35 +++++++++++++++++++++--------------
 osm-garmin/app/daemon.sh     |  1 +
 2 files changed, 22 insertions(+), 14 deletions(-)

diff --git a/osm-garmin/app/build-gmap.sh b/osm-garmin/app/build-gmap.sh
index 82dfc2e..a1de035 100755
--- a/osm-garmin/app/build-gmap.sh
+++ b/osm-garmin/app/build-gmap.sh
@@ -23,10 +23,6 @@ function build_gmap() {
     build="true"
     build_failed="false"
 
-    if [[ -n "$style" ]]; then
-        style="$styles_dir/$style.TYP"
-    fi
-
     mkdir -p "$generated_map_dir"
 
     if [[ -f "$version_path" ]]; then
@@ -44,7 +40,8 @@ function build_gmap() {
             --gmapsupp \
             --index \
             --route \
-            $tiles_dir/$region_shortname/6324*.osm.pbf $style
+            $tiles_dir/$region_shortname/6324*.osm.pbf \
+            "$styles_dir/$style.TYP"
 
         [[ $? != 0 ]] && build_failed="true"
         cd "$cwd"
@@ -118,6 +115,9 @@ mkdir -p "$out_dir"
 mkdir -p "$tiles_dir"
 
 regions_array="$(echo $regions | tr ";" "\n")"
+is_updates="false"
+
+[[ $OSMGARMIN_FORCE_BUILD == "true" ]] && is_updates="true"
 
 for region in $regions_array; do
     if [[ "$(check_osm_region_exists "$region")" == "true" ]]; then
@@ -127,22 +127,29 @@ for region in $regions_array; do
 
             echo "✂️ Building tiles: $region"
             update_tiles "$region"
+
+            [[ $is_updates == "false" ]] && is_updates="true"
+        else
+            echo "⚠️ No updates to \"$region\""
         fi
     else
         echo "⚠️ Region \"$region\" does not exist"
     fi
 done
 
-# TODO: Don't update this if there wasn't any updates
-echo "📒 Updating bounds..."
-update_bounds
+if [[ $is_updates == "true" ]]; then
+    echo "📒 Updating bounds..."
+    update_bounds
 
-for region in $regions_array; do
-    if [[ "$(check_osm_region_exists "$region")" == "true" ]]; then
-        echo "🔨 Building Garmin map: $region"
-        build_gmap "$region" "$style"
-    fi
-done
+    for region in $regions_array; do
+        if [[ "$(check_osm_region_exists "$region")" == "true" ]]; then
+            echo "🔨 Building Garmin map: $region"
+            build_gmap "$region" "$style"
+        fi
+    done
+else
+    echo "⚠️ No new maps. Not building (set $$OSMGARMIN_FORCE_BUILD=true to override)"
+fi
 
 echo "🧹 Cleaning up..."
 cleanup
\ No newline at end of file
diff --git a/osm-garmin/app/daemon.sh b/osm-garmin/app/daemon.sh
index 0f4b669..7169249 100644
--- a/osm-garmin/app/daemon.sh
+++ b/osm-garmin/app/daemon.sh
@@ -15,6 +15,7 @@ while :
 do
     regions="europe/great-britain"
     style=""
+    first_run="true"
 
     [[ -n "$OSMGARMIN_REGIONS" ]] && regions="$OSMGARMIN_REGIONS"
     [[ -n "$OSMGARMIN_STYLE" ]] && style="$OSMGARMIN_STYLE"