Utopiah · February 4, 2022 14:23 · Dec 6, 2021 · Dec 6, 2021
diff --git a/syncNC → syncNC.sh b/syncNC → syncNC.sh
diff --git a/syncNC b/syncNC
@@ -0,0 +1,51 @@
+# script to (one-way) synchronize a NextCloud directory to a reMarkable device
+# use it manually as ssh remarkable /home/root/bin/syncNC or via Cron or systemd
+#
+# configure https://nextcloud.domain.tld/remote.php/dav/files/username/ with your own NextCloud Dav URL
+# add your username, password and path to /opt/etc/davfs2/secrets
+# install mount.davfs via opkg install davfs2
+# make the required directories e.g ~/nextcloudSync2 /media/nextcloudselfhosted/ on the reMarkable
+# user reMarkable2_sync/ on your NextCould or change its location here
+# do a symlink between  ~/xochitl-data/ and ~/.local/share/remarkable/xochitl/
+
+# helpers adapted from https://gist.github.com/Utopiah/e2d5c944bbd632e3ae0530e602977f45
+addPdfWithMetadata(){ 
+    cp "$1" ~/xochitl-data && echo "{'parent':'','type':'DocumentType','visibleName':'$1'}" | sed s/\'/\"/g > ~/xochitl-data/`echo $1 | sed "s/.pdf//"`.metadata; 
+    echo '{ "fileType": "pdf" }' > ~/xochitl-data/`echo $1 | sed "s/.pdf//"`.content;
+    echo "$1" >> /tmp/newfilesaddedduringsync
+}
+addEpubWithMetadata(){ 
+    cp "$1" ~/xochitl-data && echo "{'parent':'','type':'DocumentType','visibleName':'$1'}" | sed s/\'/\"/g > ~/xochitl-data/`echo $1 | sed "s/.epub//"`.metadata; 
+    echo '{ "fileType": "epub" }' > ~/xochitl-data/`echo $1 | sed "s/.epub//"`.content;
+    echo "$1" >> /tmp/newfilesaddedduringsync
+}
+addWithMetadataIfNew(){
+    if [ -f ~/xochitl-data/"$1" ];
+    then
+        echo "File already added, skipping"
+    else
+        echo "File is new, adding"
+        echo "$1" | grep .epub && addEpubWithMetadata "$1"
+        echo "$1" | grep .pdf && addPdfWithMetadata "$1"
+    fi
+}
+syncFromNextcloudSelfHosted(){
+    /opt/sbin/mount.davfs https://nextcloud.domain.tld/remote.php/dav/files/username/ /media/nextcloudselfhosted/
+    rsync /media/nextcloudselfhosted/reMarkable2_sync/ ~/nextcloudSync2/ -r
+    # note that this is tricky for file modification, might add -c or -a but requires the endpoint to show the update
+    pushd $PWD
+    cd ~/nextcloudSync2/
+    rm -f /tmp/newfilesaddedduringsync
+    for F in *pdf *epub; do
+        addWithMetadataIfNew "$F";
+    done
+    popd
+    if [ -f ~/nextcloudSync2/configuration.txt ]; then
+        if [ -f /tmp/newfilesaddedduringsync ]; then
+            grep "force restart" ~/nextcloudSync2/configuration.txt && systemctl restart xochitl
+            # should have something like force restart xochtil in it, otherwise, do so manually
+        fi
+    fi
+}
+
+syncFromNextcloudSelfHosted