From 28d3239eb21eb93ead9223fa2e446b2f1ab86f45 Mon Sep 17 00:00:00 2001
From: Matthias Wirth <matthias.wirth@gmail.com>
Date: Fri, 31 May 2024 22:33:17 +0200
Subject: [PATCH] make timelapse1090 load on demand

instead of timelapse1090 being part of the image, just install it on
image startup if the option is enabled

this saves 12 MB image size
---
 Dockerfile                                    |  8 -------
 .../etc/s6-overlay/startup.d/11-timelapse1090 | 21 +++++++++++++++++++
 2 files changed, 21 insertions(+), 8 deletions(-)
 create mode 100755 rootfs/etc/s6-overlay/startup.d/11-timelapse1090

diff --git a/Dockerfile b/Dockerfile
index 6118f7a..c48ca53 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -84,14 +84,6 @@ RUN set -x && \
     rm -rf "${TAR1090_UPDATE_DIR}" && \
     # tar1090: add nginx config
     cp -Rv /etc/nginx.tar1090/* /etc/nginx/ && \
-    # timelapse1090
-    git clone --single-branch --depth 1 "https://github.com/wiedehopf/timelapse1090.git" "${GITPATH_TIMELAPSE1090}" && \
-    pushd "${GITPATH_TIMELAPSE1090}" && \
-    bash -ec 'echo "timelapse1090 $(git log | head -1 | tr -s " " "_")" >> /VERSIONS' && \
-    # remove unused .git dir to slightly reduce image size
-    rm -rf "${GITPATH_TIMELAPSE1090}/.git" && \
-    popd && \
-    mkdir -p /var/timelapse1090 && \
     # aircraft-db, file in TAR1090_UPDATE_DIR will be preferred when starting readsb if tar1090-update enabled
     curl -o "${TAR1090_INSTALL_DIR}/aircraft.csv.gz" "https://raw.githubusercontent.com/wiedehopf/tar1090-db/csv/aircraft.csv.gz" && \
     # clone graphs1090 repo
diff --git a/rootfs/etc/s6-overlay/startup.d/11-timelapse1090 b/rootfs/etc/s6-overlay/startup.d/11-timelapse1090
new file mode 100755
index 0000000..9b60ab0
--- /dev/null
+++ b/rootfs/etc/s6-overlay/startup.d/11-timelapse1090
@@ -0,0 +1,21 @@
+#!/command/with-contenv bash
+# shellcheck shell=bash disable=SC1091,SC2015,SC2153
+
+source /scripts/common
+
+if ! chk_enabled "${ENABLE_TIMELAPSE1090}" || chk_enabled "${TAR1090_DISABLE}"; then
+    exit 0
+fi
+
+if [[ -d "${GITPATH_TIMELAPSE1090}" ]]; then
+    exit 0
+fi
+
+# timelapse1090
+git clone --single-branch --depth 1 "https://github.com/wiedehopf/timelapse1090.git" "${GITPATH_TIMELAPSE1090}"
+pushd "${GITPATH_TIMELAPSE1090}"
+bash -ec 'echo "timelapse1090 $(git log | head -1 | tr -s " " "_")" >> /VERSIONS'
+# remove unused .git dir to slightly reduce image size
+rm -rf "${GITPATH_TIMELAPSE1090}/.git"
+popd
+mkdir -p /var/timelapse1090