improved reliability

[serve0] / indexmeta.sh

diff --git a/indexmeta.sh b/indexmeta.sh
index 2da085f9a0bf86fcdb630f8fd98443df7d99c423..e37e5da6c3696cffd979639798a785dff84ff69a 100644 (file)
--- a/indexmeta.sh
+++ b/indexmeta.sh
@@ -15,6 +15,7 @@ meta_name() {
 meta_line() {
   local video l w h
   video="$1"
+  [ "${video%.part}" = "$video" -a -s "$video" ] || return 0
 
   read l h w <<__EOF
   $(printf '' \
@@ -82,24 +83,23 @@ meta_dir(){
 
   if [ -d "$dir/.index" -a \! -f "$meta" ] && LOCK "$meta"; then
     touch "$meta"  # preliminary touch to prevent concurrent generators
-    find "$dir" -type f -mindepth 1 -maxdepth 1 \
+    find -L "$dir" -type f -mindepth 1 -maxdepth 1 \
     | grep -aE "$file_pattern" \
     | while read -r v; do
       meta_line "$v"
     done >"$meta"
+    touch "$metat"
 
     RELEASE "$meta"
   elif [ -d "$dir/.index" -a "$dir" -nt "$metat" ] && LOCK "$meta"; then
-    cp -p "$meta" "$meta.ref"; touch "$meta"
-    find "$dir" -type f -newer "$metat" \
+    touch "$meta"
+    find -L "$dir" -type f -newer "$metat" \
          -mindepth 1 -maxdepth 1 \
     | grep -aE "$file_pattern" \
     | while read -r v; do
       grep -qF "       $(meta_name "$v")" "$meta" \
       || meta_line "$v"
     done >>"$meta"
-    sort -u "$meta" >"$meta.ref"
-    mv "$meta.ref" "$meta"
     touch "$metat"
 
     RELEASE "$meta"