Support project previews

3 files changed, 9 insertions, 4 deletions

diff --git a/scripts/build_content.sh b/scripts/build_content.sh
index 83b6908..e627edc 100755
--- a/scripts/build_content.sh
+++ b/scripts/build_content.sh
@@ -82,6 +82,7 @@ get_subpages_metadata() {
             date: .date, \
             last_update: .last_update, \
             category: .category, \
+            preview: .preview, \
             content: \"$content\" \
         } | del(.[] | nulls)")
         local title=$(echo "$metadata" | jq ".title")
diff --git a/scripts/metadata_filter.lua b/scripts/metadata_filter.lua
index 499cf3e..21698bd 100644
--- a/scripts/metadata_filter.lua
+++ b/scripts/metadata_filter.lua
@@ -260,14 +260,18 @@ function Meta(meta)
 
     meta.file_out = get_file_out(meta.rewrites, meta.content_dir,
                                  meta.output_dir, meta.file_in)
-    if meta.relative_to == nil then
-        meta.relative_to = meta.file_in
-    end
+    if meta.relative_to == nil then meta.relative_to = meta.file_in end
     meta.relative_to_out = get_file_out(meta.rewrites, meta.content_dir,
                                         meta.output_dir, meta.relative_to)
 
     meta.url = resolve_url(meta.site.url, meta.output_dir, meta.relative_to_out,
                            meta.file_out)
+    if meta.preview ~= nil then
+        meta.preview = pandoc.utils.stringify(meta.preview)
+        meta.preview = meta.file_out:gsub("/index%.html$", "/" .. meta.preview)
+        meta.preview = resolve_url(meta.site.url, meta.output_dir,
+                                   meta.relative_to_out, meta.preview)
+    end
 
     meta.date = format_date(meta.date)
     if meta.last_update ~= nil then
diff --git a/scripts/watch_content.sh b/scripts/watch_content.sh
index dfaa638..30f8a6c 100755
--- a/scripts/watch_content.sh
+++ b/scripts/watch_content.sh
@@ -7,7 +7,7 @@ inotifywait -qrme close_write,delete,move --format "%w%f" "${CONTENT_DIR%/}" \
         do
             if [ -f "$file" ]; then
                 # scripts/build_content.sh "single" "$file"
-                scripts/build_content.sh "all_md"
+                scripts/build_content.sh
             elif [ ! -d "$file" ]; then
                 scripts/build_content.sh "delete" "$file"
             fi