# HG changeset patch
# User Olaf Wintermann <olaf.wintermann@gmail.com>
# Date 1555775260 -7200
# Node ID f49964cf72286edd8082d0625cd990fc4463001c
# Parent  62cc92445234e6536d22866e0e2d49811556d3b4
store link property on push

diff -r 62cc92445234 -r f49964cf7228 dav/db.h
--- a/dav/db.h	Sat Apr 20 12:31:08 2019 +0200
+++ b/dav/db.h	Sat Apr 20 17:47:40 2019 +0200
@@ -79,6 +79,7 @@
     DavBool finfo_updated;
     DavBool xattr_updated;
     DavBool metadata_updated;
+    DavBool link_updated;
     
     DavBool keep;
     DavBool restore;
diff -r 62cc92445234 -r f49964cf7228 dav/sync.c
--- a/dav/sync.c	Sat Apr 20 12:31:08 2019 +0200
+++ b/dav/sync.c	Sat Apr 20 17:47:40 2019 +0200
@@ -81,9 +81,10 @@
     { DAV_NS, "tags" },
     { DAV_NS, "xattributes" },
     { DAV_NS, "content-hash" },
-    { DAV_NS, "split" }
+    { DAV_NS, "split" },
+    { DAV_NS, "link" }
 };
-static size_t numdefprops = 6;
+static size_t numdefprops = 8 ;
 
 /*
  * strcmp version that works with NULL pointers
@@ -1763,7 +1764,7 @@
             LocalResource *local = elm->data;
             UcxList *prev = elm->prev;
             UcxList *next = elm->next;
-            if(local->isdirectory) {
+            if(local->isdirectory || local->link_target) {
                 elm = elm->next;
                 continue;
             }
@@ -2556,9 +2557,11 @@
             }
         }
         
-        if(db_res->last_modified == res->last_modified && db_res->size == res->size) {
+        if(nullstrcmp(db_res->link_target, res->link_target)) {
+            res->link_updated = 1;
+        } else if(db_res->last_modified == res->last_modified && db_res->size == res->size) {
             return 0;
-        }
+        }     
         
         if(db_res->parts) {
             // if the resource is splitted, move the part infos to the new
@@ -2590,9 +2593,10 @@
         {DAV_NS, "tags"},
         {DAV_NS, "version-collection"},
         {DAV_NS, "content-hash"},
-        {DAV_NS, "split" }
+        {DAV_NS, "split" },
+        {DAV_NS, "link" }
     };
-    int err = dav_load_prop(remote, properties, 4);
+    int err = dav_load_prop(remote, properties, 6);
     
     if(res->restore) {
         return 0;
@@ -3479,6 +3483,11 @@
         return -1;
     }
     
+    DavBool islink = local->link_target ? 1 : 0;
+    if(!local->link_target && local->link_updated) {
+        dav_remove_property_ns(res, DAV_NS, "link");
+    }
+    
     size_t split_blocksize = resource_get_blocksize(dir, local, res, s.st_size);
     
     FILE *in = sys_fopen(local_path, "rb");
@@ -3492,11 +3501,10 @@
     int split_err = 0;
     UcxList *parts = NULL;
     uint64_t blockcount = 0;
-    if(!issplit) {
-        // regular file upload 
-        dav_set_content(res, in, (dav_read_func)myread, (dav_seek_func)file_seek);
-        dav_set_content_length(res, s.st_size);
-    } else {
+    
+    if(islink) {
+        dav_set_string_property_ns(res, DAV_NS, "link", local->link_target);
+    } else if(issplit) {
         // set split property
         char blocksize_str[32];
         snprintf(blocksize_str, 32, "%zu", split_blocksize);
@@ -3511,6 +3519,10 @@
                 split_blocksize,
                 &blockcount,
                 &split_err);
+    } else {
+        // regular file upload 
+        dav_set_content(res, in, (dav_read_func)myread, (dav_seek_func)file_seek);
+        dav_set_content_length(res, s.st_size);
     }
     if(split_err) {
         free(local_path);
@@ -3563,7 +3575,7 @@
         
         if(up_res) {
             // the new content length must be equal or greater than the file size
-            if(up_res->contentlength < s.st_size && !issplit) {
+            if(up_res->contentlength < s.st_size && !issplit && !islink) {
                 fprintf(stderr, "Incomplete Upload: %s\n", local_path);
                 ret = -1;
                 // try to set the resource status to 'broken'